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denoland-deno/tools/node_compat
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Bartek Iwańczuk 381f5801f9
Revert "refactor(ext/node): Use Deno.inspect (#17960)" (#18491) 
This reverts commit a3529d0232.

This change made debugging Node tests very hard - `AssertionError` is
now printed as `[Circular *1]` giving no visibility what failed.

We need to align two implementations together and remove this one then.
2023-03-30 15:33:28 +00:00
..
.gitignore chore(tools): restore node compat test setup script (#18290) 2023-03-21 22:38:07 +09:00
README.md chore: document Node.js compat test setup script (#18381) 2023-03-26 12:22:09 +03:00
setup.ts chore(tools): restore node compat test setup script (#18290) 2023-03-21 22:38:07 +09:00
TODO.md Revert "refactor(ext/node): Use Deno.inspect (#17960)" (#18491) 2023-03-30 15:33:28 +00:00

README.md

Tools for Node.js compatibility work

We run native Node.js test cases against our Node.js compatibility feature.

This directory includes the tools for downloading, setting up, and updating the Node.js compat testing in Deno repository.

  • //tools/node_compat/setup.ts
    • This script sets up the Node.js compat tests.
  • //tools/node_comapt/versions/
    • Node.js source tarballs and extracted test cases are stored here.
  • //cli/tests/node_compat/config.json
    • This json file stores the settings about which Node.js compat test to run with Deno.
  • //cli/tests/node_compat/test
    • The actual test cases are stored here.

Steps to add new test cases from Node.js test cases

  1. Update tests property of //cli/tests/node_compat/config.json. For example, if you want to add test/paralles/test-foo.js from Node.js test cases, then add test-foo.js entry in tests.parallel array property in config.json
  2. Run ./tools/node_compat/setup.ts

The above command copies the updated items from Node.js tarball to the Deno source tree.

Ideally Deno should pass the Node.js compat tests without modification, but if you need to modify it, then add that item in ignore perperty of config.json. Then setup.ts doesn't overwrite the modified Node.js test cases anymore.

If the test needs to be ignored in particular platform, then add them in ${platform}Ignore property of config.json

Run Node.js test cases

Node.js compat tests are run as part of cargo test command. If you want to run only the Node.js compat test cases you can use the command cargo test node_compat.