test(fetch): add unit tests for fetch MCP server#3262
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olaservo merged 1 commit intomodelcontextprotocol:mainfrom Feb 4, 2026
Merged
test(fetch): add unit tests for fetch MCP server#3262olaservo merged 1 commit intomodelcontextprotocol:mainfrom
olaservo merged 1 commit intomodelcontextprotocol:mainfrom
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Add comprehensive test coverage for the fetch server: - TestGetRobotsTxtUrl: 6 tests for URL parsing - TestExtractContentFromHtml: 3 tests for HTML-to-markdown conversion - TestCheckMayAutonomouslyFetchUrl: 5 tests for robots.txt handling - TestFetchUrl: 6 tests for URL fetching with various scenarios Total: 20 tests covering: - URL parsing and robots.txt URL generation - HTML content extraction and markdown conversion - robots.txt permission checking (401, 403, 404, allow/disallow) - HTTP response handling (success, errors, raw mode) - Proxy support Also adds pytest and pytest-asyncio as dev dependencies.
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Thank you! Tests are also passing in CI. 👍
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Description
Adds comprehensive unit test coverage for the
mcp-server-fetchserver, which previously had no tests.Server Details
Motivation and Context
The fetch server is one of the core reference servers but had 0% test coverage. This PR brings it in line with other servers (git, time, filesystem) that have comprehensive test suites.
How Has This Been Tested?
All 20 tests pass locally:
Tests cover:
TestGetRobotsTxtUrl: 6 tests for URL parsing (paths, ports, query params, fragments)TestExtractContentFromHtml: 3 tests for HTML-to-markdown conversion, error handlingTestCheckMayAutonomouslyFetchUrl: 5 tests for robots.txt permission checking (401/403/404/allow/disallow)TestFetchUrl: 6 tests for HTTP responses, raw mode, proxy supportBreaking Changes
None. This PR only adds tests, no changes to server behavior.
Types of changes
Checklist
Additional context
New test file:
src/fetch/tests/test_server.pyUpdated
pyproject.toml:pytestandpytest-asyncioas dev dependencies