{"slug": "microsoft-open-sources-code-testing-generator-a-polyglot-unit-test-agent-that-92", "title": "Microsoft Open Sources code-testing-generator: a Polyglot Unit-Test Agent That Hits 92.1% Task Completion Versus 78.9% for Stock Copilot", "summary": "Microsoft has open sourced code-testing-generator, a polyglot unit-test agent in the MIT-licensed dotnet/skills repository that reads a repository to detect language, test framework, conventions, and build/test commands before planning, writing, running, and validating tests. On Microsoft's internal 152-task benchmark, it completed 140 tasks (92.1%) versus 120 (78.9%) for stock GitHub Copilot on the same model, with gains concentrated in vague prompts and diff-targeted requests.", "body_md": "Microsoft has open sourced code-testing-generator, a polyglot unit-test agent shipping in the MIT-licensed dotnet/skills repository. It reads a repository before writing anything — detecting the language, test framework, existing conventions, and the real build and test commands — then plans, writes, runs and validates the tests it produces. On Microsoft's internal 152-task benchmark it completed 140 tasks against 120 for stock GitHub Copilot on the same model, with the gain concentrated almost entirely in vague prompts and diff-targeted requests.\n\nThe post [Microsoft Open Sources code-testing-generator: a Polyglot Unit-Test Agent That Hits 92.1% Task Completion Versus 78.9% for Stock Copilot](https://www.marktechpost.com/2026/08/06/microsoft-open-sources-code-testing-generator/) appeared first on [MarkTechPost](https://www.marktechpost.com).", "url": "https://wpnews.pro/news/microsoft-open-sources-code-testing-generator-a-polyglot-unit-test-agent-that-92", "canonical_source": "https://www.marktechpost.com/2026/08/06/microsoft-open-sources-code-testing-generator/", "published_at": "2026-08-07 05:42:45+00:00", "updated_at": "2026-08-09 13:04:44.373428+00:00", "lang": "en", "topics": ["artificial-intelligence", "ai-agents", "developer-tools", "machine-learning"], "entities": ["Microsoft", "code-testing-generator", "dotnet/skills", "GitHub Copilot", "MarkTechPost"], "alternates": {"html": "https://wpnews.pro/news/microsoft-open-sources-code-testing-generator-a-polyglot-unit-test-agent-that-92", "markdown": "https://wpnews.pro/news/microsoft-open-sources-code-testing-generator-a-polyglot-unit-test-agent-that-92.md", "text": "https://wpnews.pro/news/microsoft-open-sources-code-testing-generator-a-polyglot-unit-test-agent-that-92.txt", "jsonld": "https://wpnews.pro/news/microsoft-open-sources-code-testing-generator-a-polyglot-unit-test-agent-that-92.jsonld"}}