|
1 | | -#VSCode Coder Extension - Testing Status & Roadmap |
| 1 | +#VSCode Coder Extension - Testing Status &CoverageRoadmap |
2 | 2 |
|
3 | 3 | ##Current Status ✅ |
4 | 4 |
|
5 | | -**Test Coverage Achieved:** 13/17 source files have comprehensive test coverage |
6 | | -**Total Tests:** 257 tests passing across 13 test files |
7 | | -**Test Framework:** Vitest with comprehensive mocking infrastructure |
8 | | - |
9 | | -###✅ Completed Test Files (13 files) |
10 | | - |
11 | | -| File| Tests| Coverage| Status| |
12 | | -|------|-------|----------|---------| |
13 | | -|`src/api.test.ts`| 46| 95%+| ✅ Comprehensive| |
14 | | -|`src/api-helper.test.ts`| 32| 100%| ✅ Complete| |
15 | | -|`src/commands.test.ts`| 12| 85%+| ✅ Core functionality| |
16 | | -|`src/extension.test.ts`| 26| 93%+| ✅ Entry point & lifecycle| |
17 | | -|`src/storage.test.ts`| 55| 89%+| ✅ Data persistence| |
18 | | -|`src/workspacesProvider.test.ts`| 27| 85%+| ✅ Tree view provider| |
19 | | -|`src/cliManager.test.ts`| 6| 75%+| ✅ CLI operations| |
20 | | -|`src/error.test.ts`| 11| 90%+| ✅ Error handling| |
21 | | -|`src/featureSet.test.ts`| 2| 100%| ✅ Feature detection| |
22 | | -|`src/headers.test.ts`| 9| 85%+| ✅ Header management| |
23 | | -|`src/sshConfig.test.ts`| 14| 90%+| ✅ SSH configuration| |
24 | | -|`src/sshSupport.test.ts`| 9| 85%+| ✅ SSH support utilities| |
25 | | -|`src/util.test.ts`| 8| 95%+| ✅ Utility functions| |
26 | | - |
27 | | -###Key Achievements ✨ |
28 | | - |
29 | | -1.**Core API Testing Complete**: All critical API functions (`makeCoderSdk`,`createStreamingFetchAdapter`,`waitForBuild`, etc.) have comprehensive test coverage |
30 | | -2.**Extension Lifecycle**: Full testing of extension activation, command registration, and URI handling |
31 | | -3.**Data Persistence**: Complete testing of storage operations, token management, and CLI configuration |
32 | | -4.**Tree View Provider**: Comprehensive testing with proper mocking for complex VSCode tree interactions |
33 | | -5.**Test Infrastructure**: Robust mocking system for VSCode APIs, file system, network, and child processes |
| 5 | +**Test Infrastructure Complete:** 17/17 source files have test files |
| 6 | +**Total Tests:** 345 tests passing across 17 test files |
| 7 | +**Test Framework:** Vitest with comprehensive mocking infrastructure |
| 8 | +**Overall Line Coverage:** 70.43% (significant gaps remain) |
34 | 9 |
|
35 | 10 | --- |
36 | 11 |
|
37 | | -##Remaining Work 🚧 |
38 | | - |
39 | | -###🔴 Missing Test Files (4 files remaining) |
40 | | - |
41 | | -####High Priority |
42 | | --**`src/remote.ts`** - Remote connection handling |
43 | | -- SSH connection setup and management |
44 | | -- Workspace lifecycle (start/stop/monitor) |
45 | | -- CLI integration and process management |
46 | | --**Complexity:** High (complex SSH logic, process management) |
47 | | - |
48 | | -####Low Priority |
49 | | --**`src/proxy.ts`** - Proxy configuration |
50 | | -- HTTP proxy URL resolution and NO_PROXY bypass logic |
51 | | --**Complexity:** Low (utility functions, minimal dependencies) |
52 | | - |
53 | | --**`src/inbox.ts`** - Message handling |
54 | | -- Message queuing and event-based processing |
55 | | --**Complexity:** Low (standalone utility) |
56 | | - |
57 | | --**`src/workspaceMonitor.ts`** - Workspace monitoring |
58 | | -- File watching and workspace state tracking |
59 | | --**Complexity:** Low (file system operations) |
60 | | - |
61 | | -###📄 Non-Code Files |
62 | | --`src/typings/vscode.proposed.resolvers.d.ts` - TypeScript definitions (no tests needed) |
| 12 | +##Test Coverage Analysis 📊 |
| 13 | + |
| 14 | +###🎯**100% Coverage Achieved (4 files)** |
| 15 | +| File| Lines| Status| |
| 16 | +|------|-------|---------| |
| 17 | +|`api-helper.ts`| 100%| ✅ Perfect coverage| |
| 18 | +|`api.ts`| 100%| ✅ Perfect coverage| |
| 19 | +|`inbox.ts`| 100%| ✅ Perfect coverage| |
| 20 | +|`proxy.ts`| 100%| ✅ Perfect coverage| |
| 21 | + |
| 22 | +###🟢**High Coverage (90%+ lines, 5 files)** |
| 23 | +| File| Lines| Tests| Priority| |
| 24 | +|------|-------|-------|----------| |
| 25 | +|`workspaceMonitor.ts`| 98.65%| 19| ✅ Nearly complete| |
| 26 | +|`sshConfig.ts`| 96.21%| 14| ✅ Nearly complete| |
| 27 | +|`extension.ts`| 93.44%| 26| 🔸 Minor gaps| |
| 28 | +|`featureSet.ts`| 90.9%| 2| 🔸 Minor gaps| |
| 29 | +|`cliManager.ts`| 90.05%| 6| 🔸 Minor gaps| |
| 30 | + |
| 31 | +###🟡**Medium Coverage (70-90% lines, 4 files)** |
| 32 | +| File| Lines| Tests| Key Gaps| |
| 33 | +|------|-------|-------|----------| |
| 34 | +|`storage.ts`| 89.19%| 55| Error scenarios, file operations| |
| 35 | +|`sshSupport.ts`| 88.78%| 9| Edge cases, environment detection| |
| 36 | +|`headers.ts`| 85.08%| 9| Complex header parsing scenarios| |
| 37 | +|`util.ts`| 79.19%| 8| Helper functions, path operations| |
| 38 | + |
| 39 | +###🔴**Major Coverage Gaps (< 70% lines, 4 files)** |
| 40 | +| File| Lines| Tests| Status| Major Issues| |
| 41 | +|------|-------|-------|---------|--------------| |
| 42 | +|**`remote.ts`**|**25.4%**| 17| 🚨**Critical gap**| SSH setup, workspace lifecycle, error handling| |
| 43 | +|**`workspacesProvider.ts`**|**65.12%**| 27| 🔸 Significant gaps| Tree operations, refresh logic, agent handling| |
| 44 | +|**`error.ts`**|**64.6%**| 11| 🔸 Significant gaps| Error transformation, logging scenarios| |
| 45 | +|**`commands.ts`**|**56.01%**| 12| 🔸 Significant gaps| Command implementations, user interactions| |
63 | 46 |
|
64 | 47 | --- |
65 | 48 |
|
66 | | -##Next Steps 🎯 |
| 49 | +##Next Steps- Coverage Improvement🎯 |
67 | 50 |
|
68 | | -###Phase 1: Complete Test Coverage (Priority) |
69 | | -1.**`src/remote.ts`** - Implement comprehensive tests for remote connection handling |
70 | | -- Focus on SSH connection setup, workspace lifecycle management |
71 | | -- Mock child processes, file system operations, and CLI interactions |
72 | | -- Test error scenarios and edge cases |
| 51 | +###**Phase 1: Critical Coverage Gaps (High Priority)** |
73 | 52 |
|
74 | | -2.**Low-priority files** - Add basic test coverage for remaining utility files |
75 | | --`src/proxy.ts` - Test proxy URL resolution and bypass logic |
76 | | --`src/inbox.ts` - Test message queuing and processing |
77 | | --`src/workspaceMonitor.ts` - Test file watching and state tracking |
| 53 | +####1.**`remote.ts` - Critical Priority** 🚨 |
| 54 | +-**Current:** 25.4% lines covered (Major problem!) |
| 55 | +-**Missing:** SSH connection setup, workspace lifecycle, process management |
| 56 | +-**Action:** Expand existing 17 tests to cover: |
| 57 | +- Complete`setup()` method flow |
| 58 | +-`maybeWaitForRunning()` scenarios |
| 59 | +- SSH config generation and validation |
| 60 | +- Process monitoring and error handling |
78 | 61 |
|
79 | | -###Phase 2: Test Quality Improvements |
80 | | -1.**Coverage Analysis** - Run coverage reports to identify gaps in existing tests |
81 | | -2.**Integration Tests** - Add cross-module integration scenarios |
82 | | -3.**Performance Tests** - Add timeout and concurrent operation testing |
83 | | -4.**Flaky Test Prevention** - Ensure all tests are deterministic and reliable |
| 62 | +####2.**`commands.ts` - High Priority** 🔸 |
| 63 | +-**Current:** 56.01% lines covered |
| 64 | +-**Missing:** Command implementations, user interaction flows |
| 65 | +-**Action:** Expand existing 12 tests to cover all command handlers |
84 | 66 |
|
85 | | -###Phase 3: Test Infrastructure Enhancements |
86 | | -1.**Test Helpers**- Create shared mock factories and test utilities |
87 | | -2.**Custom Matchers**- Add VSCode-specific assertion helpers |
88 | | -3.**CI/CD Integration**- Enhance automated testing and coverage reporting |
| 67 | +####3.**`workspacesProvider.ts` - High Priority** 🔸 |
| 68 | +-**Current:**65.12% lines covered |
| 69 | +-**Missing:**Tree refresh logic, agent selection, error scenarios |
| 70 | +-**Action:**Expand existing 27 tests for complete tree operations |
89 | 71 |
|
90 | | ---- |
| 72 | +####4.**`error.ts` - Medium Priority** 🔸 |
| 73 | +-**Current:** 64.6% lines covered |
| 74 | +-**Missing:** Error transformation scenarios, logging paths |
| 75 | +-**Action:** Expand existing 11 tests for all error types |
91 | 76 |
|
92 | | -##Success Metrics 📊 |
| 77 | +###**Phase 2: Polish Existing High Coverage Files** |
| 78 | +-**Target:** Get 90%+ files to 95%+ coverage |
| 79 | +-**Files:**`extension.ts`,`storage.ts`,`headers.ts`,`util.ts`,`sshSupport.ts` |
| 80 | +-**Effort:** Low (minor gap filling) |
93 | 81 |
|
94 | | --[x]**13/17** source files have test coverage (76% complete) |
95 | | --[x]**257** tests passing in CI mode |
96 | | --[x]**Zero** flaky tests (all tests deterministic) |
97 | | --[x]**< 1 second** average test execution time |
98 | | --[ ]**17/17** source files have test coverage (target: 100%) |
99 | | --[ ]**>90%** code coverage across all modules |
100 | | --[ ]**Integration test suite** for cross-module interactions |
| 82 | +###**Phase 3: Integration & Edge Case Testing** |
| 83 | +-**Cross-module integration scenarios** |
| 84 | +-**Complex error propagation testing** |
| 85 | +-**Performance and timeout scenarios** |
101 | 86 |
|
102 | 87 | --- |
103 | 88 |
|
104 | | -##Testing Standards 📋 |
| 89 | +##Success Metrics 🎯 |
| 90 | + |
| 91 | +###**Completed ✅** |
| 92 | +-[x]**17/17** source files have test files |
| 93 | +-[x]**345** tests passing (zero flaky tests) |
| 94 | +-[x]**4/17** files at 100% line coverage |
| 95 | +-[x]**9/17** files at 85%+ line coverage |
105 | 96 |
|
106 | | -**Framework:** Vitest with TypeScript support |
107 | | -**Mocking:** Comprehensive VSCode API, file system, network, and process mocking |
108 | | -**Structure:**Descriptive test names with organized`describe()` blocks |
109 | | -**Coverage:**Both success and failure scenarios, async/await error handling |
110 | | -**Performance:**Fast execution with proper cleanup and resource management |
| 97 | +###**Target Goals 🎯** |
| 98 | +-[ ]**70% → 90%** overall line coverage (primary goal) |
| 99 | +-[ ]**`remote.ts`**from 25% → 80%+ coverage (critical) |
| 100 | +-[ ]**15/17**files at 85%+ line coverage |
| 101 | +-[ ]**8/17**files at 95%+ line coverage |
111 | 102 |
|
112 | 103 | --- |
113 | 104 |
|
114 | 105 | ##Recent Achievements 🏆 |
115 | 106 |
|
116 | | -**Latest:**Fixed all workspacesProvider test failures through strategic refactoring |
117 | | --Resolved infinite recursion issues in test helper classes |
118 | | --Improved testability by extracting protected helper methods |
119 | | -- Addedproper test isolation and mocking strategies |
120 | | --**Result:** 27/27 tests passing (previously 21 failing) |
| 107 | +✅**Test Infrastructure Complete**(Just completed) |
| 108 | +-Created test files for all 17 source files |
| 109 | +-Fixed workspacesProvider test failures through strategic refactoring |
| 110 | +- Addedcomprehensive tests for proxy, inbox, and workspaceMonitor |
| 111 | +-Established robust mocking patterns for VSCode APIs |
121 | 112 |
|
122 | | -**Previous:** Completed comprehensive test coverage for 5 core modules: |
123 | | --`api.ts` - Full SDK and streaming functionality testing |
124 | | --`extension.ts` - Complete extension lifecycle testing |
125 | | --`storage.ts` - Comprehensive data persistence testing |
126 | | --`commands.ts` - VSCode command implementation testing |
127 | | --`api-helper.ts` - Complete utility function testing |
| 113 | +✅**Perfect Coverage Achieved** (4 files) |
| 114 | +-`api-helper.ts`,`api.ts`,`inbox.ts`,`proxy.ts` at 100% coverage |
| 115 | +- Strong foundation with core API and utility functions fully tested |
128 | 116 |
|
129 | 117 | --- |
130 | 118 |
|
131 | | -**Priority:** Focus on`src/remote.ts` testing as the primary remaining complex module, then complete coverage for the remaining 3 low-complexity utility files. |
| 119 | +##Priority Action Items 📋 |
| 120 | + |
| 121 | +**Immediate (Next Session):** |
| 122 | +1. 🚨**Fix`remote.ts` coverage** - Expand from 25% to 80%+ (critical business logic) |
| 123 | +2. 🔸**Improve`commands.ts`** - Expand from 56% to 80%+ (user-facing functionality) |
| 124 | +3. 🔸**Polish`workspacesProvider.ts`** - Expand from 65% to 80%+ (UI component) |
| 125 | + |
| 126 | +**Secondary:** |
| 127 | +4. Fill remaining gaps in medium-coverage files |
| 128 | +5. Add integration test scenarios |
| 129 | +6. Performance and edge case testing |
| 130 | + |
| 131 | +**Target:** Achieve**90% overall line coverage** with robust, maintainable tests. |