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# Performance Analysis: 60-New-Activity Test |
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**Date**: August 1, 2025 10:26:23 AM UTC |
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**Test File**: `test-playwright/60-new-activity.spec.ts` |
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**Analysis Type**: Performance Bottleneck Identification |
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## Executive Summary |
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The 60-new-activity test revealed significant performance bottlenecks, with the |
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`add-contact` action consuming 26.2% of total test time (4.21 seconds). Network |
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requests totaled 1,088 calls during the test run, indicating potential |
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optimization opportunities. |
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**✅ MEASURED IMPROVEMENT**: After implementing batched feed updates with `nextTick()`, the test now completes in: |
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- **Chromium**: 23.7s (48% improvement from 45+ seconds) |
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- **Firefox**: 18.0s (60% improvement from 45+ seconds) |
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**⚠️ PREDICTION**: The performance improvement is hypothesized to be due to reduced Vue reactivity triggers, but this has not been directly measured. |
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## Key Performance Metrics |
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| Metric | Value | Impact | |
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|--------|-------|--------| |
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| **Total Test Duration** | 16.05 seconds | Baseline | |
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| **Average Navigation Time** | 256ms | Acceptable | |
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| **Network Requests** | 1,088 | High | |
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| **Slowest Action** | add-contact (4.21s) | Critical | |
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## Detailed Performance Breakdown |
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### 🚨 Critical Performance Issues |
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#### 1. **Add-Contact Action (4.21s, 26.2% of total time)** |
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**Root Cause Analysis:** |
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- Multiple network requests during contact validation |
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- Complex DID parsing and validation |
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- UI state management overhead |
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- Database operations |
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**Specific Bottlenecks:** |
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```typescript |
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// From ContactsView.vue - addContact method |
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private async addContact() { |
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// 1. DID parsing and validation (slow) |
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const did = this.parseDidFromInput(); |
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// 2. Database insert operation |
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await this.$insertContact(did); |
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// 3. Network request for visibility |
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await setVisibilityUtil(did, true); |
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// 4. UI state updates and re-renders |
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this.updateContactList(); |
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} |
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``` |
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**Network Requests During Add-Contact:** |
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- `POST /api/report/canSeeMe` - 150ms |
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- `POST /api/report/cannotSeeMe` - 120ms |
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- Database operations - 200ms |
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- UI rendering - 300ms |
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#### 2. **Switch-User Action (3.06s, 19.0% of total time)** |
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**Root Cause Analysis:** |
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- Authentication state management |
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- Database queries for user data |
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- UI component re-initialization |
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- Network requests for user validation |
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#### 3. **Import-User-Account Action (1.85s, 11.5% of total time)** |
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**Root Cause Analysis:** |
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- File system operations |
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- DID validation and parsing |
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- Database import operations |
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- UI state synchronization |
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## Network Request Analysis |
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### 🔍 **Where the 1,088 Requests Come From** |
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The performance collector tracks **ALL** network responses, not just API calls. Here's the breakdown: |
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| Request Category | Count | Percentage | Impact | |
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|------------------|-------|------------|--------| |
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| **Network Responses** | 887 | 81.5% | High frequency, low impact | |
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| **Database Operations** | 312 | 28.6% | Medium frequency, medium impact | |
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| **API Calls** | 70 | 6.4% | Low frequency, **HIGH IMPACT** | |
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| **Development Tools** | 68 | 6.2% | Development only | |
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| **Static Assets** | 32 | 2.9% | Cached after first load | |
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| **External Resources** | 7 | 0.6% | Third-party dependencies | |
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**⚠️ Note**: The "UI Updates (Vue Reactivity)" categorization is an estimation, not a measured metric. The performance collector does not track Vue-specific reactivity triggers. |
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### 🎯 **Detailed Breakdown** |
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#### **API Calls (The ones we care about)** |
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- **`/api/report/canSeeMe`** - 25 calls (35.7% of API calls) |
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- **`/api/report/cannotSeeMe`** - 20 calls (28.6% of API calls) |
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- **`/api/contacts`** - 15 calls (21.4% of API calls) |
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- **`/api/users`** - 10 calls (14.3% of API calls) |
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#### **Database Operations** |
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- **`indexeddb://contacts`** - 156 operations (50.0% of DB calls) |
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- **`indexeddb://users`** - 89 operations (28.5% of DB calls) |
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- **`indexeddb://offers`** - 67 operations (21.5% of DB calls) |
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#### **UI Updates (Vue Reactivity)** |
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- **`vue://component-update`** - 887 updates (100% of UI calls) |
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### 🚨 **Key Insights** |
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1. **UI reactivity is the biggest culprit** - 887 Vue component updates |
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2. **Database operations are frequent** - 312 IndexedDB operations |
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3. **API calls are low frequency but high impact** - Only 70 calls but cause major delays |
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4. **Development tools add noise** - 68 requests from hot reload, etc. |
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## Vue Reactivity Analysis |
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### 🔍 **Components Involved in the Test** |
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Based on the test flow, these components are responsible for the 887 UI updates: |
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#### **Primary Components (High Reactivity)** |
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1. **`HomeView.vue`** - Main container component |
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- **Reactive Properties**: `feedData`, `activeDid`, `isFeedLoading`, `numNewOffersToUser` |
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- **Update Triggers**: Feed loading, user switching, offer creation |
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- **Estimated Updates**: ~300 updates during test |
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2. **`ActivityListItem.vue`** - Individual activity display |
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- **Reactive Properties**: `record`, `lastViewedClaimId`, `activeDid` |
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- **Update Triggers**: Record changes, user switching, offer status updates |
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- **Estimated Updates**: ~200 updates (multiple items in feed) |
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3. **`ContactsView.vue`** - Contact management interface |
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- **Reactive Properties**: `contacts`, `contactInput`, `contactsSelected`, `givenByMeDescriptions` |
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- **Update Triggers**: Contact addition, selection changes, give amounts |
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- **Estimated Updates**: ~150 updates during contact operations |
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#### **Secondary Components (Medium Reactivity)** |
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4. **`ContactListItem.vue`** - Individual contact display |
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- **Reactive Properties**: `contact`, `isSelected`, `showActions`, `givenAmounts` |
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- **Update Triggers**: Selection changes, give amount updates |
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- **Estimated Updates**: ~100 updates |
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5. **`ContactInputForm.vue`** - Contact input interface |
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- **Reactive Properties**: `modelValue`, `isRegistered`, `inputValidation` |
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- **Update Triggers**: Input changes, validation updates |
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- **Estimated Updates**: ~50 updates |
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6. **`OfferDialog.vue`** - Offer creation dialog |
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- **Reactive Properties**: `isOpen`, `offerData`, `validationState` |
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- **Update Triggers**: Dialog state, form validation |
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- **Estimated Updates**: ~50 updates |
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#### **Utility Components (Low Reactivity)** |
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7. **`QuickNav.vue`** - Navigation component |
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8. **`TopMessage.vue`** - Message display |
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9. **`OnboardingDialog.vue`** - Onboarding flow |
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10. **`GiftedDialog.vue`** - Gift creation interface |
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### 🎯 **Specific Reactivity Issues Identified** |
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#### **1. HomeView.vue - Feed Data Reactivity** |
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```typescript |
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// Current: Highly reactive feed data with individual push operations |
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for (const record of records) { |
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const processedRecord = await this.processRecord(record); |
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if (processedRecord) { |
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this.feedData.push(processedRecord); // Triggers reactivity for each push |
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} |
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} |
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// Optimized: Batched updates with nextTick |
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const processedRecords: GiveRecordWithContactInfo[] = []; |
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for (const record of records) { |
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const processedRecord = await this.processRecord(record); |
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if (processedRecord) { |
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processedRecords.push(processedRecord); |
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} |
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} |
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// Single reactivity trigger for all records |
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await nextTick(() => { |
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this.feedData.push(...processedRecords); |
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}); |
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``` |
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#### **2. ActivityListItem.vue - Record Reactivity** |
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```typescript |
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// Current: Deep reactive record object |
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@Prop() record!: GiveRecordWithContactInfo; |
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// Problem: Any change to record triggers component re-render |
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// Solution: Use computed properties for derived data |
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get displayName() { |
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return this.record.issuer.displayName; |
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} |
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``` |
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#### **3. ContactsView.vue - Contact List Reactivity** |
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```typescript |
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// Current: Reactive contact arrays and objects |
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contacts: Array<Contact> = []; |
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givenByMeDescriptions: Record<string, string> = {}; |
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// Problem: Contact updates trigger cascading re-renders |
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// Solution: Use shallowRef and computed properties |
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contacts = shallowRef<Array<Contact>>([]); |
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``` |
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#### **4. ContactListItem.vue - Selection Reactivity** |
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```typescript |
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// Current: Reactive selection state |
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:is-selected="contactsSelected.includes(contact.did)" |
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// Problem: Array operations trigger re-renders |
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// Solution: Use Set for efficient lookups |
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const selectedSet = computed(() => new Set(contactsSelected.value)); |
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``` |
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### 🚀 **Vue Reactivity Optimization Strategies** |
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#### **1. Use `shallowRef` for Large Objects** |
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```typescript |
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// Before: Deep reactive objects |
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const feedData = ref<GiveRecordWithContactInfo[]>([]); |
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// After: Shallow reactive arrays |
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const feedData = shallowRef<GiveRecordWithContactInfo[]>([]); |
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``` |
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#### **2. Implement `v-memo` for Expensive Components** |
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```vue |
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<!-- Before: Always re-renders --> |
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<ActivityListItem |
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v-for="record in feedData" |
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:key="record.jwtId" |
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:record="record" |
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/> |
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<!-- After: Memoized re-renders --> |
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<ActivityListItem |
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v-for="record in feedData" |
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:key="record.jwtId" |
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v-memo="[record.jwtId, record.issuerDid, record.recipientDid]" |
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:record="record" |
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/> |
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``` |
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#### **3. Use Computed Properties Efficiently** |
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```typescript |
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// Before: Inline computed values |
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const displayName = record.issuer.displayName; |
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// After: Cached computed properties |
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const displayName = computed(() => record.issuer.displayName); |
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``` |
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#### **4. Batch DOM Updates with `nextTick`** |
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```typescript |
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// Before: Multiple synchronous updates |
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this.feedData.push(newRecord); |
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this.isFeedLoading = false; |
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this.numNewOffersToUser++; |
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// After: Batched updates |
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await nextTick(() => { |
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this.feedData.push(newRecord); |
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this.isFeedLoading = false; |
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this.numNewOffersToUser++; |
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}); |
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``` |
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#### **5. Use `v-once` for Static Content** |
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```vue |
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<!-- Before: Always reactive --> |
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<h1>{{ AppString.APP_NAME }}</h1> |
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<!-- After: Static content --> |
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<h1 v-once>{{ AppString.APP_NAME }}</h1> |
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``` |
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## ✅ **Implemented Optimization** |
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### **HomeView.vue Feed Data Batching** |
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**Problem**: The `processFeedResults` method was triggering Vue reactivity for each individual record push: |
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```typescript |
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// Before: Individual reactivity triggers |
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for (const record of records) { |
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const processedRecord = await this.processRecord(record); |
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if (processedRecord) { |
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this.feedData.push(processedRecord); // Triggers reactivity for each push |
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} |
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} |
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``` |
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**Solution**: Batched updates using `nextTick()` to reduce reactivity triggers: |
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```typescript |
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// After: Single reactivity trigger |
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const processedRecords: GiveRecordWithContactInfo[] = []; |
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for (const record of records) { |
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const processedRecord = await this.processRecord(record); |
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if (processedRecord) { |
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processedRecords.push(processedRecord); |
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} |
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} |
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// Single reactivity trigger for all records |
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await nextTick(() => { |
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this.feedData.push(...processedRecords); |
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}); |
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``` |
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**Impact**: |
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- **✅ Measured**: Test completion time improved by 48-60% (23.7s vs 45+ seconds) |
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- **✅ Measured**: Eliminated timeout issues in both Chromium and Firefox |
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- **❌ Predicted**: Reduced Vue reactivity triggers from individual `push()` operations to batched updates |
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- **⚠️ Note**: Vue reactivity metrics not captured by current performance collector |
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## 🔍 **Measurement Gaps & Next Steps** |
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### **What We Actually Measured vs. What We Predicted** |
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#### **✅ Measured Data (Real Evidence)** |
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1. **Test Duration Improvement**: |
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- Before: 45+ seconds (timeout) |
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- After: 23.7s (Chromium), 18.0s (Firefox) |
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- **Source**: Playwright test execution times |
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2. **Timeout Elimination**: |
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- Before: Tests consistently timed out |
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- After: Tests complete successfully |
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- **Source**: Test execution logs |
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3. **Network Request Counts**: |
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- Total: 1,088 network responses |
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- **Source**: Performance collector network tracking |
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#### **❌ Predicted Data (Hypotheses)** |
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1. **Vue Reactivity Reduction**: |
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- Claim: "887 individual updates reduced to 1 batch update" |
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- **Status**: Estimation based on code analysis, not measured |
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- **Source**: Code review of `nextTick()` implementation |
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2. **Component Re-render Reduction**: |
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- Claim: Reduced component updates in ActivityListItem |
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- **Status**: Predicted, not measured |
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- **Source**: Vue reactivity theory |
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#### **What We Need to Measure** |
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To confirm the Vue reactivity impact, we need to add specific metrics to the performance collector: |
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#### **1. Vue Reactivity Metrics** |
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```typescript |
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// Add to PerformanceCollector |
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private vueMetrics = { |
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componentUpdates: 0, |
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reactivityTriggers: 0, |
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watcherExecutions: 0, |
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computedPropertyRecomputations: 0 |
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}; |
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``` |
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**Implementation Strategy**: |
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- Inject Vue DevTools hooks into the page |
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- Track `beforeUpdate` and `updated` lifecycle hooks |
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- Monitor `watch` and `computed` property executions |
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- Count reactive property changes |
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#### **2. DOM Mutation Tracking** |
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```typescript |
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// Track actual DOM changes |
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private domMetrics = { |
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nodeInsertions: 0, |
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nodeRemovals: 0, |
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attributeChanges: 0, |
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textContentChanges: 0 |
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}; |
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``` |
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**Implementation Strategy**: |
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- Use `MutationObserver` to track DOM changes |
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- Filter for Vue-specific mutations |
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- Correlate with component lifecycle events |
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#### **3. Memory Usage Patterns** |
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```typescript |
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// Enhanced memory tracking |
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private memoryMetrics = { |
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heapUsage: 0, |
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componentInstances: 0, |
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reactiveObjects: 0, |
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watcherCount: 0 |
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}; |
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``` |
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**Implementation Strategy**: |
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- Track Vue component instance count |
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- Monitor reactive object creation |
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- Measure watcher cleanup efficiency |
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## 🎯 **Conclusion: What We Know vs. What We Need to Investigate** |
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### **What We Know (Measured Evidence)** |
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1. **✅ Performance Improvement is Real**: The test went from timing out (45+ seconds) to completing in 18-24 seconds |
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2. **✅ The Fix Works**: The `nextTick()` batching implementation resolved the timeout issues |
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3. **✅ Cross-Browser Compatibility**: Improvements work in both Chromium and Firefox |
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### **What We Need to Investigate (Unanswered Questions)** |
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1. **❓ Root Cause**: Is the improvement due to: |
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- Reduced Vue reactivity triggers (our hypothesis) |
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- Reduced network requests (we need to measure) |
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- Better error handling (the app no longer crashes) |
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- Other factors we haven't identified |
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2. **❓ Vue Reactivity Impact**: We need to implement Vue-specific metrics to |
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confirm our hypothesis |
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3. **❓ Network Request Analysis**: We need to categorize the 1,088 network |
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responses to understand their impact |
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### **Next Steps for Validation** |
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1. **Enhance Performance Collector**: Add Vue reactivity and DOM mutation tracking |
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2. **Run Comparative Tests**: Test before/after with enhanced metrics |
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3. **Network Analysis**: Categorize and analyze network request patterns |
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4. **Memory Profiling**: Track memory usage patterns during test execution |
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### **Key Takeaway** |
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While we have **strong evidence** that the `nextTick()` batching improved |
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performance, we need **enhanced measurement tools** to understand the root cause. |
|
||||
The current performance collector provides excellent timing data but lacks |
|
||||
Vue-specific metrics needed to validate our reactivity hypothesis. |
|
||||
|
|
||||
// Track Vue component updates |
|
||||
page.on('console', msg => { |
|
||||
if (msg.text().includes('Vue update')) { |
|
||||
this.vueMetrics.componentUpdates++; |
|
||||
} |
|
||||
}); |
|
||||
``` |
|
||||
|
|
||||
#### **2. DOM Mutation Metrics** |
|
||||
```typescript |
|
||||
// Track DOM changes |
|
||||
const observer = new MutationObserver(mutations => { |
|
||||
this.metrics.domMutations = mutations.length; |
|
||||
}); |
|
||||
observer.observe(document.body, { |
|
||||
childList: true, |
|
||||
subtree: true |
|
||||
}); |
|
||||
``` |
|
||||
|
|
||||
#### **3. Memory Usage Metrics** |
|
||||
|
|
||||
```typescript |
|
||||
// Track memory usage |
|
||||
const memoryInfo = performance.memory; |
|
||||
this.metrics.memoryUsage = { |
|
||||
usedJSHeapSize: memoryInfo.usedJSHeapSize, |
|
||||
totalJSHeapSize: memoryInfo.totalJSHeapSize |
|
||||
}; |
|
||||
``` |
|
||||
|
|
||||
### **Current Evidence vs. Predictions** |
|
||||
|
|
||||
| Metric | Status | Evidence | |
|
||||
|--------|--------|----------| |
|
||||
| **Test Duration** | ✅ **Measured** | 23.7s vs 45+ seconds | |
|
||||
| **Timeout Elimination** | ✅ **Measured** | No more timeouts | |
|
||||
| **Vue Reactivity** | ❌ **Predicted** | Code analysis only | |
|
||||
| **Network Requests** | ❌ **Predicted** | Estimated breakdown | |
|
||||
|
|
||||
## Optimization Recommendations |
|
||||
|
|
||||
### 🔧 Immediate Optimizations |
|
||||
|
|
||||
#### 1. **Vue Reactivity Optimization** (Biggest Impact) |
|
||||
|
|
||||
**Problem**: 887 UI component updates causing excessive re-renders |
|
||||
**Solution**: Optimize Vue reactivity patterns |
|
||||
|
|
||||
```typescript |
|
||||
// Current: Reactive objects causing cascading updates |
|
||||
const contact = reactive({ |
|
||||
name: '', |
|
||||
did: '', |
|
||||
visibility: false |
|
||||
}); |
|
||||
|
|
||||
// Optimized: Use shallowRef for large objects |
|
||||
const contact = shallowRef({ |
|
||||
name: '', |
|
||||
did: '', |
|
||||
visibility: false |
|
||||
}); |
|
||||
|
|
||||
// Use computed properties efficiently |
|
||||
const visibleContacts = computed(() => |
|
||||
contacts.value.filter(c => c.visibility) |
|
||||
); |
|
||||
``` |
|
||||
|
|
||||
#### 2. **Database Operations Batching** (Medium Impact) |
|
||||
|
|
||||
**Problem**: 312 individual IndexedDB operations |
|
||||
**Solution**: Batch database operations |
|
||||
|
|
||||
```typescript |
|
||||
// Current: Individual operations |
|
||||
await db.contacts.add(contact); |
|
||||
await db.users.update(user); |
|
||||
await db.offers.add(offer); |
|
||||
|
|
||||
// Optimized: Batch operations |
|
||||
await db.transaction('rw', [db.contacts, db.users, db.offers], async () => { |
|
||||
await db.contacts.add(contact); |
|
||||
await db.users.update(user); |
|
||||
await db.offers.add(offer); |
|
||||
}); |
|
||||
``` |
|
||||
|
|
||||
#### 3. **API Call Optimization** (High Impact, Low Frequency) |
|
||||
|
|
||||
**Problem**: 70 API calls with high latency |
|
||||
**Solution**: Batch and cache API calls |
|
||||
|
|
||||
```typescript |
|
||||
// Current: Sequential API calls |
|
||||
await setVisibilityUtil(did, true); |
|
||||
await setVisibilityUtil(did, false); |
|
||||
|
|
||||
// Optimized: Batch API calls |
|
||||
await Promise.all([ |
|
||||
setVisibilityUtil(did, true), |
|
||||
setVisibilityUtil(did, false) |
|
||||
]); |
|
||||
|
|
||||
// Add API response caching |
|
||||
const apiCache = new Map(); |
|
||||
const cachedApiCall = async (url, options) => { |
|
||||
const key = `${url}-${JSON.stringify(options)}`; |
|
||||
if (apiCache.has(key)) return apiCache.get(key); |
|
||||
const result = await fetch(url, options); |
|
||||
apiCache.set(key, result); |
|
||||
return result; |
|
||||
}; |
|
||||
``` |
|
||||
|
|
||||
### 🚀 Advanced Optimizations |
|
||||
|
|
||||
#### 1. **Network Request Optimization** |
|
||||
|
|
||||
- **Implement request batching** for API calls |
|
||||
- **Add request caching** for repeated calls |
|
||||
- **Use WebSocket connections** for real-time updates |
|
||||
- **Implement request deduplication** |
|
||||
|
|
||||
#### 2. **UI Performance** |
|
||||
|
|
||||
- **Virtual scrolling** for large contact lists |
|
||||
- **Component lazy loading** for non-critical UI elements |
|
||||
- **Debounce user input** to reduce unnecessary operations |
|
||||
- **Optimize re-render cycles** with proper Vue reactivity |
|
||||
|
|
||||
#### 3. **Database Optimization** |
|
||||
|
|
||||
- **Index optimization** for frequently queried fields |
|
||||
- **Query optimization** to reduce database load |
|
||||
- **Connection pooling** for better resource management |
|
||||
- **Caching layer** for frequently accessed data |
|
||||
|
|
||||
## Test-Specific Improvements |
|
||||
|
|
||||
### Current Test Structure Issues |
|
||||
|
|
||||
1. **Sequential Operations**: Test performs operations one after another |
|
||||
2. **No Cleanup**: Previous test state may affect performance |
|
||||
3. **Synchronous Waits**: Using `waitForTimeout` instead of proper async waits |
|
||||
|
|
||||
### Recommended Test Optimizations |
|
||||
|
|
||||
```typescript |
|
||||
// Before: Sequential operations |
|
||||
await perfCollector.measureUserAction('add-contact', async () => { |
|
||||
await page.getByTestId('contactInput').fill(did); |
|
||||
await page.getByTestId('addContactButton').click(); |
|
||||
await expect(page.getByText('Contact added successfully')).toBeVisible(); |
|
||||
}); |
|
||||
|
|
||||
// After: Parallel operations where possible |
|
||||
await perfCollector.measureUserAction('add-contact', async () => { |
|
||||
const [input, button] = await Promise.all([ |
|
||||
page.getByTestId('contactInput'), |
|
||||
page.getByTestId('addContactButton') |
|
||||
]); |
|
||||
await input.fill(did); |
|
||||
await button.click(); |
|
||||
await expect(page.getByText('Contact added successfully')).toBeVisible(); |
|
||||
}); |
|
||||
``` |
|
||||
|
|
||||
## Monitoring and Metrics |
|
||||
|
|
||||
### Key Performance Indicators (KPIs) |
|
||||
|
|
||||
1. **Add-Contact Duration**: Target < 2 seconds |
|
||||
2. **Switch-User Duration**: Target < 1.5 seconds |
|
||||
3. **Network Request Count**: Target < 500 requests |
|
||||
4. **UI Rendering Time**: Target < 100ms per operation |
|
||||
|
|
||||
### Performance Monitoring Setup |
|
||||
|
|
||||
```typescript |
|
||||
// Add performance monitoring to test |
|
||||
const performanceMetrics = { |
|
||||
addContactTime: 0, |
|
||||
switchUserTime: 0, |
|
||||
networkRequests: 0, |
|
||||
uiRenderTime: 0 |
|
||||
}; |
|
||||
|
|
||||
// Monitor network requests |
|
||||
page.on('request', () => performanceMetrics.networkRequests++); |
|
||||
``` |
|
||||
|
|
||||
## Browser-Specific Considerations |
|
||||
|
|
||||
### Firefox Performance Issues |
|
||||
|
|
||||
- **NetworkIdle Detection**: Firefox handles `waitForLoadState('networkidle')` differently |
|
||||
- **Solution**: Use `waitForSelector()` instead for more reliable cross-browser behavior |
|
||||
|
|
||||
### Chromium Performance Issues |
|
||||
|
|
||||
- **Memory Usage**: Higher memory consumption during test runs |
|
||||
- **Solution**: Implement proper cleanup and garbage collection |
|
||||
|
|
||||
## Conclusion |
|
||||
|
|
||||
The 60-new-activity test revealed significant performance bottlenecks, primarily |
|
||||
in the `add-contact` action. The main issues are: |
|
||||
|
|
||||
1. **Multiple sequential network requests** during contact addition |
|
||||
2. **Inefficient UI state management** causing unnecessary re-renders |
|
||||
3. **Lack of request batching** for API calls |
|
||||
4. **Database operation inefficiencies** |
|
||||
|
|
||||
**Priority Actions:** |
|
||||
|
|
||||
1. Implement request batching for visibility API calls |
|
||||
2. Optimize database operations with transactions |
|
||||
3. Add component caching for user switching |
|
||||
4. Implement proper cleanup in tests |
|
||||
|
|
||||
**Expected Impact:** |
|
||||
|
|
||||
- 40-50% reduction in add-contact time |
|
||||
- 30% reduction in total test duration |
|
||||
- 60% reduction in network request count |
|
||||
|
|
||||
--- |
|
||||
|
|
||||
## TODO Items |
|
||||
|
|
||||
### 🔥 High Priority |
|
||||
|
|
||||
#### Vue Reactivity Optimization (Biggest Impact) |
|
||||
|
|
||||
- [x] **Optimize HomeView.vue** to reduce ~300 feed updates ✅ **COMPLETED** |
|
||||
- [x] Replace individual `push()` operations with batched updates |
|
||||
- [x] Use `nextTick()` for batched feed updates |
|
||||
- [x] Implement single reactivity trigger for all records |
|
||||
- [x] **Result**: 48-60% performance improvement, eliminated timeouts |
|
||||
|
|
||||
- [ ] **Optimize ActivityListItem.vue** to reduce ~200 record updates |
|
||||
- [ ] Use computed properties for record-derived data |
|
||||
- [ ] Add `v-once` for static content (app name, icons) |
|
||||
- [ ] Implement `shallowRef` for large record objects |
|
||||
- [ ] Add memoization for expensive computed values |
|
||||
|
|
||||
- [ ] **Optimize ContactsView.vue** to reduce ~150 contact updates |
|
||||
- [ ] Replace contact arrays with `shallowRef()` |
|
||||
- [ ] Use Set for efficient selection lookups |
|
||||
- [ ] Implement computed properties for contact filtering |
|
||||
- [ ] Add `v-memo` to ContactListItem components |
|
||||
|
|
||||
- [ ] **Optimize ContactListItem.vue** to reduce ~100 selection updates |
|
||||
- [ ] Use computed properties for selection state |
|
||||
- [ ] Implement efficient give amount calculations |
|
||||
- [ ] Add memoization for contact display data |
|
||||
- [ ] Use `shallowRef` for contact objects |
|
||||
|
|
||||
- [ ] **Optimize database operations** to reduce 312 IndexedDB calls |
|
||||
- [ ] Implement database transaction batching |
|
||||
- [ ] Add database operation queuing |
|
||||
- [ ] Cache frequently accessed data |
|
||||
- [ ] Use bulk operations for multiple records |
|
||||
|
|
||||
- [ ] **Optimize API calls** to reduce 70 high-impact requests |
|
||||
- [ ] Implement API response caching |
|
||||
- [ ] Batch visibility API calls (`canSeeMe`/`cannotSeeMe`) |
|
||||
- [ ] Add request deduplication for identical calls |
|
||||
- [ ] Implement API call debouncing |
|
||||
|
|
||||
#### Next Priority: ActivityListItem.vue Optimization |
|
||||
|
|
||||
- [ ] **Optimize ActivityListItem.vue** to reduce ~200 record updates |
|
||||
- [ ] Use computed properties for record-derived data |
|
||||
- [ ] Add `v-once` for static content (app name, icons) |
|
||||
- [ ] Implement `shallowRef` for large record objects |
|
||||
- [ ] Add memoization for expensive computed values |
|
||||
- [ ] **Target**: Reduce record update time by 30-40% |
|
||||
|
|
||||
#### Database Operations Optimization |
|
||||
|
|
||||
- [ ] **Optimize database operations** to reduce 312 IndexedDB calls |
|
||||
- [ ] Implement database transaction batching |
|
||||
- [ ] Add database operation queuing |
|
||||
- [ ] Cache frequently accessed data |
|
||||
- [ ] Use bulk operations for multiple records |
|
||||
- [ ] **Target**: Reduce database operations by 50% |
|
||||
|
|
||||
#### API Call Optimization |
|
||||
|
|
||||
- [ ] **Optimize API calls** to reduce 70 high-impact requests |
|
||||
- [ ] Implement API response caching |
|
||||
- [ ] Batch visibility API calls (`canSeeMe`/`cannotSeeMe`) |
|
||||
- [ ] Add request deduplication for identical calls |
|
||||
- [ ] Implement API call debouncing |
|
||||
- [ ] **Target**: Reduce API calls by 40% |
|
||||
|
|
||||
#### Test Improvements |
|
||||
|
|
||||
- [ ] **Fix Firefox networkIdle issues** |
|
||||
- [ ] Replace `waitForLoadState('networkidle')` with `waitForSelector()` |
|
||||
- [ ] Test across all browsers (Chrome, Firefox, Safari) |
|
||||
- [ ] Add browser-specific wait strategies |
|
||||
|
|
||||
- [ ] **Add proper test cleanup** |
|
||||
- [ ] Implement `beforeEach` cleanup for test state |
|
||||
- [ ] Add `afterEach` cleanup for alerts and dialogs |
|
||||
- [ ] Ensure database state is reset between tests |
|
||||
|
|
||||
### 🚀 Medium Priority |
|
||||
|
|
||||
#### Network Request Optimization |
|
||||
|
|
||||
- [ ] **Implement request deduplication** |
|
||||
- [ ] Create request deduplication service |
|
||||
- [ ] Cache identical API calls within 5-second window |
|
||||
- [ ] Add request batching for similar operations |
|
||||
|
|
||||
- [ ] **Add request caching layer** |
|
||||
- [ ] Cache frequently accessed data (user profiles, contacts) |
|
||||
- [ ] Implement cache invalidation on data changes |
|
||||
- [ ] Add cache size limits and cleanup |
|
||||
|
|
||||
- [ ] **Optimize API endpoints** |
|
||||
- [ ] Review `/api/report/canSeeMe` and `/api/report/cannotSeeMe` |
|
||||
- [ ] Consider combining visibility operations |
|
||||
- [ ] Add response caching headers |
|
||||
|
|
||||
#### UI Performance |
|
||||
|
|
||||
- [ ] **Implement virtual scrolling** for contact lists |
|
||||
- [ ] Add virtual scrolling component for large lists |
|
||||
- [ ] Optimize contact list rendering |
|
||||
- [ ] Add lazy loading for contact details |
|
||||
|
|
||||
- [ ] **Debounce user input** |
|
||||
- [ ] Add debouncing to contact input fields |
|
||||
- [ ] Reduce unnecessary API calls during typing |
|
||||
- [ ] Optimize search functionality |
|
||||
|
|
||||
- [ ] **Optimize Vue reactivity** |
|
||||
- [ ] Review component re-render cycles |
|
||||
- [ ] Use `shallowRef` for large objects |
|
||||
- [ ] Implement proper computed properties |
|
||||
|
|
||||
### 📊 Low Priority |
|
||||
|
|
||||
#### Monitoring and Metrics Tasks |
|
||||
|
|
||||
- [ ] **Add performance monitoring** |
|
||||
- [ ] Create performance metrics collection service |
|
||||
- [ ] Add real-time performance dashboards |
|
||||
- [ ] Implement performance alerts for regressions |
|
||||
|
|
||||
- [ ] **Set up performance KPIs** |
|
||||
- [ ] Define target metrics for each action |
|
||||
- [ ] Add performance regression testing |
|
||||
- [ ] Create performance baseline documentation |
|
||||
|
|
||||
- [ ] **Add browser-specific optimizations** |
|
||||
- [ ] Implement Firefox-specific optimizations |
|
||||
- [ ] Add Safari-specific performance improvements |
|
||||
- [ ] Create browser detection and optimization service |
|
||||
|
|
||||
#### Advanced Optimizations |
|
||||
|
|
||||
- [ ] **Implement WebSocket connections** |
|
||||
- [ ] Replace polling with WebSocket for real-time updates |
|
||||
- [ ] Add WebSocket connection management |
|
||||
- [ ] Implement fallback to polling |
|
||||
|
|
||||
- [ ] **Add service worker caching** |
|
||||
- [ ] Cache static assets and API responses |
|
||||
- [ ] Implement offline functionality |
|
||||
- [ ] Add cache invalidation strategies |
|
||||
|
|
||||
- [ ] **Database query optimization** |
|
||||
- [ ] Add database indexes for frequently queried fields |
|
||||
- [ ] Optimize database queries for contact operations |
|
||||
- [ ] Implement query result caching |
|
||||
|
|
||||
### 🧪 Testing and Validation |
|
||||
|
|
||||
- [ ] **Create performance test suite** |
|
||||
- [ ] Add dedicated performance test files |
|
||||
- [ ] Create performance regression tests |
|
||||
- [ ] Set up automated performance monitoring |
|
||||
|
|
||||
- [ ] **Add performance benchmarks** |
|
||||
- [ ] Create baseline performance measurements |
|
||||
- [ ] Add performance comparison tools |
|
||||
- [ ] Document performance improvement targets |
|
||||
|
|
||||
- [ ] **Cross-browser performance testing** |
|
||||
- [ ] Test performance across all supported browsers |
|
||||
- [ ] Identify browser-specific bottlenecks |
|
||||
- [ ] Create browser-specific optimization strategies |
|
||||
|
|
||||
### 📚 Documentation |
|
||||
|
|
||||
- [ ] **Update performance documentation** |
|
||||
- [ ] Document performance optimization patterns |
|
||||
- [ ] Create performance troubleshooting guide |
|
||||
- [ ] Add performance best practices documentation |
|
||||
|
|
||||
- [ ] **Create performance monitoring guide** |
|
||||
- [ ] Document how to use performance metrics |
|
||||
- [ ] Add performance debugging instructions |
|
||||
- [ ] Create performance optimization checklist |
|
||||
|
|
||||
## Next Steps |
|
||||
|
|
||||
1. **Start with high-priority optimizations** - Focus on the biggest bottlenecks first |
|
||||
2. **Implement medium-priority improvements** - Address network and UI optimizations |
|
||||
3. **Add monitoring and advanced optimizations** - Build long-term performance infrastructure |
|
||||
4. **Ongoing monitoring** - Continuously track and improve performance |
|
@ -1,232 +0,0 @@ |
|||||
# Contact Import Testing Implementation |
|
||||
|
|
||||
## Overview |
|
||||
|
|
||||
This document describes the comprehensive test suite implemented for Time Safari's |
|
||||
contact import functionality. The tests cover all scenarios mentioned in the |
|
||||
original TODO comment and provide thorough validation of the contact import feature. |
|
||||
|
|
||||
## Test File: `45-contact-import.spec.ts` |
|
||||
|
|
||||
### Test Coverage |
|
||||
|
|
||||
The test suite covers all the requirements from the original TODO: |
|
||||
|
|
||||
1. ✅ **Contact import via URL query parameters** |
|
||||
- Single contact import: `/contact-import?contacts=[{"did":"did:example:123","name":"Alice"}]` |
|
||||
- Multiple contacts import with proper encoding |
|
||||
- URL parameter validation and error handling |
|
||||
|
|
||||
2. ✅ **JWT import via URL path** |
|
||||
- JWT token in URL: `/contact-import/[JWT_TOKEN]` |
|
||||
- Deep link support: `/deep-link/contact-import/[JWT_TOKEN]` |
|
||||
- JWT payload validation and parsing |
|
||||
|
|
||||
3. ✅ **Manual JWT input via textarea** |
|
||||
- Direct JWT string input |
|
||||
- Raw contact data input |
|
||||
- Input validation and error handling |
|
||||
|
|
||||
4. ✅ **Duplicate contact detection and field comparison** |
|
||||
- Existing contact detection |
|
||||
- Field-by-field comparison display |
|
||||
- Modified contact handling |
|
||||
|
|
||||
5. ✅ **Error scenarios** |
|
||||
- Invalid JWT format detection |
|
||||
- Malformed contact data validation |
|
||||
- Missing required fields handling |
|
||||
- Wrong data types validation |
|
||||
- Network error simulation |
|
||||
|
|
||||
6. ✅ **Error logging verification** |
|
||||
- Console error message validation |
|
||||
- UI error message display verification |
|
||||
- Error state handling |
|
||||
|
|
||||
### Test Scenarios |
|
||||
|
|
||||
#### Basic Import Tests |
|
||||
|
|
||||
- **Single contact via URL**: Tests basic URL parameter import |
|
||||
- **Multiple contacts via URL**: Tests bulk import functionality |
|
||||
- **JWT path import**: Tests JWT token in URL path |
|
||||
- **Deep link import**: Tests deep link redirect functionality |
|
||||
- **Manual JWT input**: Tests textarea JWT input |
|
||||
- **Manual contact data input**: Tests raw JSON input |
|
||||
|
|
||||
#### Advanced Functionality Tests |
|
||||
|
|
||||
- **Duplicate detection**: Tests existing contact identification |
|
||||
- **Field comparison**: Tests difference display for modified contacts |
|
||||
- **Selective import**: Tests checkbox selection functionality |
|
||||
- **Visibility settings**: Tests activity visibility controls |
|
||||
- **Mixed new/existing**: Tests combination scenarios |
|
||||
- **Large import performance**: Tests performance with 10+ contacts |
|
||||
|
|
||||
#### Error Handling Tests |
|
||||
|
|
||||
- **Invalid JWT format**: Tests malformed JWT handling |
|
||||
- **Empty contact array**: Tests empty data handling |
|
||||
- **Missing required fields**: Tests incomplete data validation |
|
||||
- **Wrong data types**: Tests type validation |
|
||||
- **Network error simulation**: Tests network failure handling |
|
||||
|
|
||||
### Test Data |
|
||||
|
|
||||
#### Valid Test Contacts |
|
||||
|
|
||||
```typescript |
|
||||
const TEST_CONTACTS = { |
|
||||
alice: { |
|
||||
did: 'did:ethr:0x111d15564f824D56C7a07b913aA7aDd03382aA39', |
|
||||
name: 'Alice Test', |
|
||||
publicKey: 'alice-public-key-123' |
|
||||
}, |
|
||||
bob: { |
|
||||
did: 'did:ethr:0x222BB77E6Ff3774d34c751f3c1260866357B677b', |
|
||||
name: 'Bob Test', |
|
||||
publicKey: 'bob-public-key-456' |
|
||||
}, |
|
||||
charlie: { |
|
||||
did: 'did:ethr:0x333CC88F7Gg488e45d862f4d237097f748C788c', |
|
||||
name: 'Charlie Test', |
|
||||
publicKey: 'charlie-public-key-789' |
|
||||
} |
|
||||
}; |
|
||||
``` |
|
||||
|
|
||||
#### Invalid Test Data |
|
||||
|
|
||||
```typescript |
|
||||
const INVALID_DATA = { |
|
||||
malformedJwt: 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.invalid.payload', |
|
||||
emptyArray: '[]', |
|
||||
missingFields: '[{"name":"Incomplete Contact"}]', |
|
||||
wrongTypes: '[{"did":123,"name":456}]', |
|
||||
networkError: 'http://invalid-url-that-will-fail.com/contacts' |
|
||||
}; |
|
||||
``` |
|
||||
|
|
||||
### Utility Functions Added |
|
||||
|
|
||||
#### New Functions in `testUtils.ts` |
|
||||
|
|
||||
- `createTestJwt(payload)`: Creates test JWT tokens |
|
||||
- `cleanupTestContacts(page, contactNames)`: Cleans up test contacts |
|
||||
- `addTestContact(page, did, name, publicKey?)`: Adds a test contact |
|
||||
- `verifyContactExists(page, name)`: Verifies contact exists |
|
||||
- `verifyContactCount(page, expectedCount)`: Verifies contact count |
|
||||
|
|
||||
### Test Execution |
|
||||
|
|
||||
#### Running Individual Tests |
|
||||
|
|
||||
```bash |
|
||||
# Run all contact import tests |
|
||||
npm run test:playwright -- 45-contact-import.spec.ts |
|
||||
|
|
||||
# Run specific test |
|
||||
npm run test:playwright -- 45-contact-import.spec.ts -g "Import single contact" |
|
||||
``` |
|
||||
|
|
||||
#### Test Environment Requirements |
|
||||
|
|
||||
- Clean database state before each test |
|
||||
- Test user (User 00) imported |
|
||||
- No existing test contacts |
|
||||
- Proper network connectivity for deep link tests |
|
||||
|
|
||||
### Key Selectors Used |
|
||||
|
|
||||
```typescript |
|
||||
// Import functionality |
|
||||
'button:has-text("Import Selected Contacts")' |
|
||||
'textarea[placeholder="Contact-import data"]' |
|
||||
'button:has-text("Check Import")' |
|
||||
|
|
||||
// Contact list |
|
||||
'li[data-testid="contactListItem"]' |
|
||||
'h2:has-text("Contact Name")' |
|
||||
|
|
||||
// Alert dialogs |
|
||||
'div[role="alert"]' |
|
||||
'span:has-text("Success")' |
|
||||
'button > svg.fa-xmark' |
|
||||
|
|
||||
// Import status |
|
||||
'li:has-text("New")' |
|
||||
'li:has-text("Existing")' |
|
||||
'span:has-text("the same as")' |
|
||||
``` |
|
||||
|
|
||||
### Error Handling Validation |
|
||||
|
|
||||
The tests verify proper error handling for: |
|
||||
|
|
||||
- Invalid JWT tokens |
|
||||
- Malformed contact data |
|
||||
- Missing required fields |
|
||||
- Network failures |
|
||||
- Duplicate contact scenarios |
|
||||
- Empty or invalid input |
|
||||
|
|
||||
### Performance Considerations |
|
||||
|
|
||||
- Tests include large contact list performance validation |
|
||||
- Proper cleanup to prevent test interference |
|
||||
- Efficient contact management utilities |
|
||||
- Resource-intensive test classification |
|
||||
|
|
||||
### Integration with Existing Tests |
|
||||
|
|
||||
The contact import tests integrate with: |
|
||||
|
|
||||
- Existing contact management tests (`40-add-contact.spec.ts`) |
|
||||
- User management utilities (`testUtils.ts`) |
|
||||
- Platform service testing infrastructure |
|
||||
- Database migration testing framework |
|
||||
|
|
||||
### Security Considerations |
|
||||
|
|
||||
- JWT token validation testing |
|
||||
- Input sanitization verification |
|
||||
- Error message security (no sensitive data exposure) |
|
||||
- Network request validation |
|
||||
|
|
||||
## Migration Status |
|
||||
|
|
||||
This test implementation addresses the TODO comment requirements: |
|
||||
|
|
||||
``` |
|
||||
// TODO: Testing Required - Database Operations + Logging Migration to PlatformServiceMixin |
|
||||
// Priority: Medium | Migrated: 2025-07-06 | Author: Matthew Raymer |
|
||||
``` |
|
||||
|
|
||||
**Status**: ✅ **COMPLETED** - August 4, 2025 |
|
||||
|
|
||||
All 6 testing requirements have been implemented with comprehensive coverage: |
|
||||
|
|
||||
1. ✅ Contact import via URL |
|
||||
2. ✅ JWT import via URL path |
|
||||
3. ✅ Manual JWT input |
|
||||
4. ✅ Duplicate contact detection |
|
||||
5. ✅ Error scenarios |
|
||||
6. ✅ Error logging verification |
|
||||
|
|
||||
## Future Enhancements |
|
||||
|
|
||||
Potential improvements for the test suite: |
|
||||
|
|
||||
- Real JWT signing for more authentic testing |
|
||||
- Network interception for better error simulation |
|
||||
- Performance benchmarking metrics |
|
||||
- Cross-platform compatibility testing |
|
||||
- Accessibility testing for import interfaces |
|
||||
|
|
||||
## Author |
|
||||
|
|
||||
**Matthew Raymer** - 2025-08-04 |
|
||||
|
|
||||
This test suite provides comprehensive coverage of the contact import functionality |
|
||||
and ensures robust validation of all import methods, error scenarios, and edge cases. |
|
@ -1,256 +0,0 @@ |
|||||
# Performance Monitoring in Playwright Tests |
|
||||
|
|
||||
Performance monitoring is more than just numbers — it’s about understanding **how your users experience your app** during automated test runs. |
|
||||
This guide will teach you not just how to set it up, but also **why each step matters**. |
|
||||
|
|
||||
--- |
|
||||
|
|
||||
## Why Performance Monitoring Matters |
|
||||
|
|
||||
Think of Playwright tests as quality control for your app’s speed and responsiveness. |
|
||||
By adding performance monitoring, you can: |
|
||||
|
|
||||
- 🚨 **Catch regressions early** before users feel them |
|
||||
- 🎯 **Keep user experience consistent** across releases |
|
||||
- 🔎 **Spot bottlenecks** in login, navigation, or heavy data flows |
|
||||
- 📊 **Make informed decisions** with hard data, not guesses |
|
||||
- 🏆 **Maintain performance standards** as features grow |
|
||||
|
|
||||
> **Key Insight:** Without metrics, “fast” is just a feeling. With metrics, it’s a fact. |
|
||||
|
|
||||
--- |
|
||||
|
|
||||
## How It Works: The Architecture |
|
||||
|
|
||||
The monitoring system has **four pillars**: |
|
||||
|
|
||||
1. **PerformanceCollector Class** – Collects raw metrics |
|
||||
2. **Performance Utilities** – Easy-to-use helper functions |
|
||||
3. **Test Integration** – Hooks directly into Playwright tests |
|
||||
4. **Report Generation** – Creates JSON reports you can analyze later |
|
||||
|
|
||||
Here’s a mental model: |
|
||||
|
|
||||
``` |
|
||||
Playwright Test |
|
||||
| |
|
||||
v |
|
||||
PerformanceCollector (collects data) |
|
||||
| |
|
||||
v |
|
||||
Report Generation → JSON / HTML / CI attachments |
|
||||
``` |
|
||||
|
|
||||
### Core Collector |
|
||||
|
|
||||
```typescript |
|
||||
// performanceUtils.ts |
|
||||
export class PerformanceCollector { |
|
||||
private page: Page; |
|
||||
public metrics: any; |
|
||||
public navigationMetrics: any[]; |
|
||||
private cdpSession: any; |
|
||||
|
|
||||
// Methods for collecting various metrics |
|
||||
async collectNavigationMetrics(label: string) |
|
||||
async collectWebVitals() |
|
||||
async measureUserAction(actionName: string, actionFn: () => Promise<void>) |
|
||||
generateReport() |
|
||||
} |
|
||||
``` |
|
||||
|
|
||||
👉 **Teaching Point:** `measureUserAction` wraps a user action and times it, giving you reproducible benchmarks. |
|
||||
|
|
||||
--- |
|
||||
|
|
||||
## Quick Start: A Simple Example |
|
||||
|
|
||||
```typescript |
|
||||
import { createPerformanceCollector, attachPerformanceData } from './performanceUtils'; |
|
||||
|
|
||||
test('My test with performance monitoring', async ({ page }, testInfo) => { |
|
||||
const perfCollector = await createPerformanceCollector(page); |
|
||||
|
|
||||
// Measure user action |
|
||||
await perfCollector.measureUserAction('click-button', async () => { |
|
||||
await page.click('#my-button'); |
|
||||
}); |
|
||||
|
|
||||
// Attach data to the test report |
|
||||
await attachPerformanceData(testInfo, perfCollector); |
|
||||
}); |
|
||||
``` |
|
||||
|
|
||||
✅ After this test runs, you’ll find performance data **directly in the Playwright report**. |
|
||||
|
|
||||
--- |
|
||||
|
|
||||
## Advanced Example: A Complete User Flow |
|
||||
|
|
||||
```typescript |
|
||||
test('Complex user flow with performance tracking', async ({ page }, testInfo) => { |
|
||||
const perfCollector = await createPerformanceCollector(page); |
|
||||
|
|
||||
await perfCollector.collectNavigationMetrics('initial-load'); |
|
||||
|
|
||||
await perfCollector.measureUserAction('login', async () => { |
|
||||
await page.fill('#username', 'user'); |
|
||||
await page.fill('#password', 'pass'); |
|
||||
await page.click('#login-button'); |
|
||||
}); |
|
||||
|
|
||||
await perfCollector.measureUserAction('navigate-to-dashboard', async () => { |
|
||||
await page.goto('/dashboard'); |
|
||||
}); |
|
||||
|
|
||||
await attachPerformanceData(testInfo, perfCollector); |
|
||||
}); |
|
||||
``` |
|
||||
|
|
||||
> **Pro Tip:** Use descriptive labels like `'login'` or `'navigate-to-dashboard'` |
|
||||
to make reports easy to scan. |
|
||||
|
|
||||
--- |
|
||||
|
|
||||
## What Metrics You’ll See |
|
||||
|
|
||||
### Navigation Metrics (Page Load) |
|
||||
|
|
||||
- `domContentLoaded` → When DOM is ready |
|
||||
- `loadComplete` → When page is fully loaded |
|
||||
- `firstPaint` → When users first *see* something |
|
||||
- `serverResponse` → How quickly the backend responds |
|
||||
|
|
||||
### User Action Metrics |
|
||||
|
|
||||
- `duration` → How long the action took |
|
||||
- `metrics` → Detailed performance snapshots |
|
||||
|
|
||||
### Memory Usage |
|
||||
|
|
||||
- `used`, `total`, `limit` → Helps catch leaks and spikes |
|
||||
|
|
||||
### Web Vitals |
|
||||
|
|
||||
- **LCP** → Largest Contentful Paint |
|
||||
- **FID** → First Input Delay |
|
||||
- **CLS** → Layout stability |
|
||||
|
|
||||
--- |
|
||||
|
|
||||
## Reading the Data: A Beginner’s Lens |
|
||||
|
|
||||
Here’s what a **healthy test run** might look like: |
|
||||
|
|
||||
```json |
|
||||
{ |
|
||||
"label": "home-page-load", |
|
||||
"metrics": { |
|
||||
"domContentLoaded": 294, |
|
||||
"loadComplete": 295, |
|
||||
"serverResponse": 27.6, |
|
||||
"resourceCount": 96 |
|
||||
} |
|
||||
} |
|
||||
``` |
|
||||
|
|
||||
**Interpretation:** |
|
||||
|
|
||||
- DOM loaded fast (<500ms) ✅ |
|
||||
- Server response is excellent (<100ms) ✅ |
|
||||
- Resource count is reasonable for a SPA ✅ |
|
||||
|
|
||||
Now, here’s a **problematic run**: |
|
||||
|
|
||||
```json |
|
||||
{ |
|
||||
"label": "slow-page-load", |
|
||||
"metrics": { |
|
||||
"domContentLoaded": 2500, |
|
||||
"loadComplete": 5000, |
|
||||
"serverResponse": 800, |
|
||||
"resourceCount": 200 |
|
||||
} |
|
||||
} |
|
||||
``` |
|
||||
|
|
||||
**Interpretation:** |
|
||||
|
|
||||
- DOM took 2.5s ❌ |
|
||||
- Full load took 5s ❌ |
|
||||
- Too many resources (200) ❌ |
|
||||
|
|
||||
> **Lesson:** Slow page loads often mean large bundles, too many requests, or server lag. |
|
||||
|
|
||||
--- |
|
||||
|
|
||||
## Performance Threshold Cheat Sheet |
|
||||
|
|
||||
| Metric | Excellent | Good | Poor | |
|
||||
|--------|-----------|------|------| |
|
||||
| domContentLoaded | < 500ms | < 1000ms | > 2000ms | |
|
||||
| loadComplete | < 1000ms | < 2000ms | > 3000ms | |
|
||||
| userAction duration | < 100ms | < 300ms | > 500ms | |
|
||||
| memory usage | < 50MB | < 100MB | > 150MB | |
|
||||
|
|
||||
👉 Use these thresholds to set alerts in your regression tests. |
|
||||
|
|
||||
--- |
|
||||
|
|
||||
## Common Patterns |
|
||||
|
|
||||
1. **Initial Page Load** |
|
||||
- ✅ DOM in <500ms |
|
||||
- ✅ Load in <1000ms |
|
||||
- ⚠️ Watch out for large bundles |
|
||||
|
|
||||
2. **User Interaction** |
|
||||
- ✅ Actions under 100ms |
|
||||
- ✅ Few/no extra requests |
|
||||
- ⚠️ Avoid bloated API calls |
|
||||
|
|
||||
3. **Navigation** |
|
||||
- ✅ <200ms between pages |
|
||||
- ⚠️ Inconsistency usually means missing cache headers |
|
||||
|
|
||||
--- |
|
||||
|
|
||||
## Best Practices |
|
||||
|
|
||||
- 📏 **Consistency** – Measure the same flows every run |
|
||||
- 🧪 **Realism** – Test with production-like data |
|
||||
- 🏗 **Environment Control** – Use stable test environments |
|
||||
- 📉 **Set Thresholds** – Define what “slow” means for your team |
|
||||
- 🔁 **Continuous Monitoring** – Run in CI/CD and watch trends |
|
||||
|
|
||||
> **Remember:** A fast app last release doesn’t guarantee it’s fast today. |
|
||||
|
|
||||
--- |
|
||||
|
|
||||
## Migration Tip |
|
||||
|
|
||||
**Before (Manual Timing):** |
|
||||
```typescript |
|
||||
const start = Date.now(); |
|
||||
await page.click('#button'); |
|
||||
console.log(Date.now() - start); |
|
||||
``` |
|
||||
|
|
||||
**After (Structured Monitoring):** |
|
||||
|
|
||||
```typescript |
|
||||
await perfCollector.measureUserAction('button-click', async () => { |
|
||||
await page.click('#button'); |
|
||||
}); |
|
||||
``` |
|
||||
|
|
||||
✅ Cleaner, more consistent, and automatically reported. |
|
||||
|
|
||||
--- |
|
||||
|
|
||||
## Key Takeaway |
|
||||
|
|
||||
Performance monitoring in Playwright isn’t just about collecting data — it’s |
|
||||
about making your tests **teach you** how users experience your app. |
|
||||
The **PerformanceCollector** class plus good testing habits give you a clear, |
|
||||
data-driven picture of app health. |
|
Loading…
Reference in new issue