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The `tools/node_compat/node` submodule has been moved to `tests/node_compat/runner/suite` and the remaining files within `tools/node_compat` to `tests/node_compat/runner`. Most of the changes are of the header within `tests/node_compat/test` files. The `setup` and `test` tasks within `tests/node_comapt` execute successfully. Towards #22525 CC @mmastrac
50 lines
1.9 KiB
Markdown
50 lines
1.9 KiB
Markdown
# Tools for Node.js compatibility work
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We run
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[native Node.js test cases](https://github.com/nodejs/node/tree/main/test)
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against our Node.js compatibility feature.
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This directory includes the tools for downloading, setting up, and updating the
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Node.js compat testing in Deno repository.
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- `//tests/node_compat/runner/setup.ts`
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- This script sets up the Node.js compat tests.
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- `//tests/node_compat/runner/versions/`
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- Node.js source tarballs and extracted test cases are stored here.
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- `//tests/node_compat/config.jsonc`
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- This json file stores the settings about which Node.js compat test to run
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with Deno.
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- `//tests/node_compat/test`
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- The actual test cases are stored here.
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## Steps to add new test cases from Node.js test cases
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1. Update `tests` property of `//tests/node_compat/config.jsonc`. For example,
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if you want to add `test/parallel/test-foo.js` from Node.js test cases, then
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add `test-foo.js` entry in `tests.parallel` array property in `config.jsonc`
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1. Run `deno task setup` in `tests/node_compat/runner` dir.
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The above command copies the updated items from Node.js tarball to the Deno
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source tree.
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Ideally Deno should pass the Node.js compat tests without modification, but if
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you need to modify it, then add that item in `ignore` property of
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`config.jsonc`. Then `setup.ts` doesn't overwrite the modified Node.js test
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cases anymore.
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If the test needs to be ignored in particular platform, then add them in
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`${platform}Ignore` property of `config.jsonc`
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## Run Node.js test cases
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Node.js compat tests are run as part of `cargo test` command. If you want to run
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only the Node.js compat test cases you can use the command
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`cargo test node_compat`. If you want to run specific tests you can use the
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command `deno task test` (in `tests/node_compat/runner` dir). For example, if
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you want to run all test files which contains `buffer` in filename you can use
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the command:
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```shellsession
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/path/to/deno/tests/node_compat/runner
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$ deno task test buffer
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```
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