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Test Coverage Summary

This document outlines the comprehensive test suite created for the Go-FilamentSamples project.

Test Categories

1. Unit Tests

  • Location: *_test.go files in each package
  • Coverage: Core functionality of all packages
  • Purpose: Validate individual components in isolation

2. Integration Tests

  • Location: cmd/filament-samples/main_test.go
  • Coverage: End-to-end command-line functionality
  • Purpose: Validate the complete application workflow

3. Benchmark Tests

  • Location: *_bench_test.go files
  • Coverage: Performance-critical operations
  • Purpose: Monitor and optimize performance

Package Test Coverage

pkg/models (Core Data Models)

  • ✅ FilamentSample validation logic
  • ✅ Temperature range validation
  • ✅ Filename generation
  • ✅ OpenSCAD argument generation
  • ✅ Performance benchmarks for all operations

internal/csv (CSV Parsing)

  • ✅ CSV parsing with headers
  • ✅ Comment line handling
  • ✅ Field validation
  • ✅ Error handling for malformed data
  • ✅ Performance benchmarks for parsing operations

internal/openscad (OpenSCAD Integration)

  • ✅ Cross-platform OpenSCAD path detection
  • ✅ Executor initialization
  • ✅ STL generation simulation
  • ✅ Version checking
  • ✅ Error handling for missing OpenSCAD

internal/generator (Main Processing Logic)

  • ✅ Configuration validation
  • ✅ Generator initialization
  • ✅ Worker concurrency patterns
  • ✅ File operation handling
  • ✅ Performance benchmarks for concurrent operations

internal/config (Configuration Management)

  • ✅ Config file loading/saving
  • ✅ JSON marshaling/unmarshaling
  • ✅ Validation logic
  • ✅ Default value handling
  • ✅ Error cases

cmd/filament-samples (CLI Application)

  • ✅ Command-line flag parsing
  • ✅ Help and version output
  • ✅ Dry-run functionality
  • ✅ Error handling for missing files
  • ✅ Verbose mode operation

Test Execution

Run All Tests

make test

Run Only Unit Tests (Skip Integration)

make test-short

Run Performance Benchmarks

make bench

Generate Coverage Report

make test-coverage

Test Quality Features

Comprehensive Error Testing

  • Invalid input validation
  • Missing file handling
  • Malformed data detection
  • Platform compatibility

Performance Monitoring

  • Operation timing benchmarks
  • Memory allocation tracking
  • Concurrency pattern validation
  • Scalability testing

Cross-Platform Support

  • Platform-specific path testing
  • OS-dependent functionality validation
  • Runtime environment compatibility

Integration Validation

  • End-to-end workflow testing
  • Command-line interface validation
  • File I/O operation testing
  • Error message verification

Coverage Statistics

Run make test-coverage to generate detailed coverage reports showing:

  • Line coverage percentages
  • Untested code paths
  • Visual coverage maps
  • Coverage trends over time

The test suite provides comprehensive validation of all critical application functionality while maintaining fast execution times for development workflows.