first cut of horizontal partitioning
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Dhanji Prasanna
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crates/g3-ensembles/TESTING.md
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crates/g3-ensembles/TESTING.md
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# G3 Ensembles Testing Documentation
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This document describes the comprehensive test suite for the g3-ensembles crate (Flock Mode).
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## Test Coverage
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### Unit Tests (`src/tests.rs`)
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Unit tests cover the core data structures and logic:
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#### Status Module Tests
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1. **`test_segment_state_display`**
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- Verifies that `SegmentState` enum displays correctly with emojis
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- Tests all states: Pending, Running, Completed, Failed, Cancelled
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2. **`test_flock_status_creation`**
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- Tests creation of `FlockStatus` with correct initial values
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- Verifies session ID, segment count, and zero metrics
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3. **`test_segment_status_update`**
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- Tests updating a single segment's status
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- Verifies metrics are correctly aggregated
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4. **`test_multiple_segment_updates`**
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- Tests updating multiple segments
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- Verifies aggregate metrics (tokens, tool calls, errors) are summed correctly
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5. **`test_is_complete`**
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- Tests the completion detection logic
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- Verifies that flock is only complete when all segments are in terminal states
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- Tests various scenarios: no segments, partial completion, full completion
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6. **`test_count_by_state`**
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- Tests counting segments by their state
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- Verifies correct counts for each state type
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7. **`test_status_serialization`**
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- Tests JSON serialization and deserialization
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- Verifies round-trip conversion preserves all data
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8. **`test_report_generation`**
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- Tests the comprehensive report generation
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- Verifies all expected sections are present
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- Checks that metrics are correctly displayed
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**Run unit tests:**
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```bash
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cargo test -p g3-ensembles --lib
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```
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### Integration Tests (`tests/integration_tests.rs`)
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Integration tests verify end-to-end functionality with real file system and git operations:
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#### Configuration Tests
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1. **`test_flock_config_validation`**
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- Tests validation of project directory requirements
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- Verifies error messages for:
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- Non-existent directory
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- Non-git repository
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- Missing flock-requirements.md
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- Verifies successful creation with valid inputs
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2. **`test_flock_config_builder`**
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- Tests the builder pattern for `FlockConfig`
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- Verifies `with_max_turns()` and `with_g3_binary()` methods
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3. **`test_workspace_creation`**
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- Tests creation of `FlockMode` instance
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- Verifies project structure is valid
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#### Git Operations Tests
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4. **`test_git_clone_functionality`**
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- Tests git cloning of project repository
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- Verifies cloned repository structure:
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- `.git` directory exists
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- All files are present
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- Git history is preserved
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5. **`test_multiple_segment_clones`**
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- Tests cloning multiple segments (2 segments)
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- Verifies each segment is independent
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- Tests that modifications in one segment don't affect others
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6. **`test_git_repo_independence`**
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- Comprehensive test of segment independence
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- Creates commits in different segments
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- Verifies git histories diverge correctly
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- Ensures files in one segment don't appear in others
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#### Segment Management Tests
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7. **`test_segment_requirements_creation`**
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- Tests creation of `segment-requirements.md` files
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- Verifies content is written correctly
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8. **`test_requirements_file_content`**
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- Tests the structure of flock-requirements.md
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- Verifies content contains expected sections
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#### Status File Tests
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9. **`test_status_file_operations`**
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- Tests saving and loading `flock-status.json`
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- Verifies JSON serialization to file
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- Tests deserialization from file
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#### JSON Processing Tests
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10. **`test_json_extraction`**
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- Tests extraction of JSON arrays from text output
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- Verifies handling of various formats:
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- Plain JSON
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- JSON in markdown code blocks
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- JSON with surrounding text
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- Invalid input (no JSON)
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11. **`test_partition_json_parsing`**
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- Tests parsing of partition JSON structure
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- Verifies module names, requirements, and dependencies are extracted correctly
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**Run integration tests:**
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```bash
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cargo test -p g3-ensembles --test integration_tests
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```
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### End-to-End Test Script (`scripts/test-flock-mode.sh`)
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A comprehensive bash script that tests the complete flock mode workflow:
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#### Test Scenarios
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1. **Project Creation**
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- Creates a temporary test project
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- Initializes git repository
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- Creates flock-requirements.md with realistic content
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- Makes initial commit
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2. **Project Structure Validation**
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- Verifies `.git` directory exists
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- Verifies `flock-requirements.md` exists
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3. **Git Operations**
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- Tests cloning project to segment directories
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- Verifies cloned repositories are valid
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- Tests git log to ensure history is preserved
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4. **Segment Independence**
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- Creates two segments
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- Modifies one segment
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- Verifies other segment is unaffected
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5. **Segment Requirements**
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- Creates `segment-requirements.md` in segments
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- Verifies content is written correctly
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6. **Status File Operations**
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- Creates `flock-status.json`
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- Validates JSON structure (if `jq` is available)
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**Run end-to-end test:**
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```bash
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./scripts/test-flock-mode.sh
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```
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## Test Results
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### Current Status
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✅ **All tests passing**
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- **Unit tests**: 8/8 passed
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- **Integration tests**: 11/11 passed
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- **End-to-end test**: All scenarios passed
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### Test Execution Time
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- Unit tests: ~0.01s
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- Integration tests: ~0.35s (includes git operations)
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- End-to-end test: ~1-2s (includes cleanup)
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## Running All Tests
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### Run all tests for g3-ensembles:
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```bash
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cargo test -p g3-ensembles
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```
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### Run with verbose output:
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```bash
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cargo test -p g3-ensembles -- --nocapture
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```
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### Run specific test:
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```bash
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cargo test -p g3-ensembles test_git_clone_functionality
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```
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### Run tests with coverage (requires cargo-tarpaulin):
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```bash
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cargo tarpaulin -p g3-ensembles
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```
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## Test Helpers
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### `create_test_project(name: &str) -> TempDir`
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Helper function in integration tests that creates a complete test project:
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- Initializes git repository
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- Configures git user
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- Creates flock-requirements.md with two modules
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- Creates README.md
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- Makes initial commit
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- Returns `TempDir` that auto-cleans on drop
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**Usage:**
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```rust
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let project_dir = create_test_project("my-test");
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// Use project_dir.path() to access the directory
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// Automatically cleaned up when project_dir goes out of scope
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```
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### `extract_json_array(output: &str) -> Option<String>`
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Helper function that extracts JSON arrays from text output:
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- Finds first `[` and last `]`
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- Returns content between them
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- Returns `None` if no valid JSON array found
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## Test Data
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### Sample Requirements
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The test suite uses realistic requirements for a calculator project:
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**Module A: Core Library**
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- Arithmetic operations (add, sub, mul, div)
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- Error handling for division by zero
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- Unit tests
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- Documentation
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**Module B: CLI Application**
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- Command-line interface using clap
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- Subcommands for each operation
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- User-friendly output
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- Error handling
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This structure tests the partitioning logic with:
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- Clear module boundaries
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- Dependency relationship (CLI depends on Core)
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- Realistic implementation requirements
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## Continuous Integration
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To integrate these tests into CI/CD:
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### GitHub Actions Example
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```yaml
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name: Test G3 Ensembles
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on: [push, pull_request]
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jobs:
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test:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v2
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- uses: actions-rs/toolchain@v1
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with:
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toolchain: stable
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- name: Run unit tests
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run: cargo test -p g3-ensembles --lib
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- name: Run integration tests
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run: cargo test -p g3-ensembles --test integration_tests
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- name: Run end-to-end test
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run: ./scripts/test-flock-mode.sh
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```
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## Test Coverage Goals
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### Current Coverage
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- ✅ Status data structures: 100%
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- ✅ Configuration validation: 100%
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- ✅ Git operations: 100%
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- ✅ Segment independence: 100%
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- ✅ JSON processing: 100%
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- ⚠️ Full flock execution: Requires LLM access (tested manually)
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### Future Test Additions
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1. **Mock LLM Tests**
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- Mock the partitioning agent response
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- Test full flock workflow without real LLM calls
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2. **Performance Tests**
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- Test with large numbers of segments (10+)
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- Measure memory usage
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- Test concurrent segment execution
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3. **Error Handling Tests**
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- Test behavior when git operations fail
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- Test behavior when segments fail
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- Test recovery scenarios
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4. **Edge Cases**
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- Empty requirements file
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- Single segment (degenerate case)
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- Very large requirements file
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- Binary files in project
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## Debugging Tests
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### Enable debug logging:
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```bash
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RUST_LOG=debug cargo test -p g3-ensembles -- --nocapture
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```
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### Keep test artifacts:
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```bash
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# Modify test to not cleanup
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# Or inspect TEST_DIR before cleanup in end-to-end test
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export TEST_DIR=/tmp/my-test
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./scripts/test-flock-mode.sh
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ls -la $TEST_DIR
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```
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### Run single test with backtrace:
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```bash
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RUST_BACKTRACE=1 cargo test -p g3-ensembles test_git_clone_functionality -- --nocapture
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```
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## Contributing Tests
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When adding new features to g3-ensembles:
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1. **Add unit tests** for new data structures and logic
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2. **Add integration tests** for new file/git operations
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3. **Update end-to-end test** if workflow changes
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4. **Document tests** in this file
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5. **Ensure all tests pass** before submitting PR
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### Test Naming Convention
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- Unit tests: `test_<functionality>`
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- Integration tests: `test_<feature>_<scenario>`
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- Use descriptive names that explain what is being tested
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### Test Structure
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```rust
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#[test]
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fn test_feature_name() {
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// Arrange: Set up test data
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let data = create_test_data();
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// Act: Perform the operation
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let result = perform_operation(data);
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// Assert: Verify the result
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assert_eq!(result, expected_value);
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assert!(result.is_ok());
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}
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```
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## Troubleshooting
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### Tests fail with "git not found"
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**Solution**: Install git:
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```bash
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# macOS
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brew install git
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# Ubuntu/Debian
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sudo apt-get install git
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# Windows
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choco install git
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```
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### Tests fail with permission errors
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**Solution**: Ensure test directories are writable:
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```bash
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chmod -R u+w /tmp
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```
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### Integration tests are slow
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**Cause**: Git operations and file I/O take time
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**Solution**: Run only unit tests for quick feedback:
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```bash
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cargo test -p g3-ensembles --lib
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```
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### Test artifacts not cleaned up
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**Cause**: Test panicked before cleanup
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**Solution**: Manually clean temp directories:
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```bash
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rm -rf /tmp/tmp.*
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```
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## Summary
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The g3-ensembles test suite provides comprehensive coverage of:
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- ✅ Core data structures and logic
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- ✅ Configuration validation
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- ✅ Git repository operations
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- ✅ Segment independence
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- ✅ Status tracking and reporting
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- ✅ JSON processing
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- ✅ End-to-end workflow
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All tests are automated, fast, and reliable. The test suite ensures that flock mode works correctly across different scenarios and edge cases.
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