88 lines
2.1 KiB
Markdown
88 lines
2.1 KiB
Markdown
# Automated tests
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TLDR: run `v test-all` locally, after making your changes,
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and before submitting PRs.
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## Notes
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In the `v` repo there are several different tests. The main types are:
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* `_test.v` tests - check that `test_` functions succeed. These can be
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run per directory or individually.
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* `.out` tests - run a `.vv` file and check the output matches the
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contents of the `.out` file with the same base name. This is
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particularly useful for checking that errors are printed.
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Tip: use `v -cc tcc` when compiling tests for speed.
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## `vlib/v/tests`
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General runnable tests for different features of the V compiler.
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## Test building of actual V programs (examples, tools, V itself)
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* `v build-tools`
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* `v build-examples`
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* `v build-vbinaries`
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## vfmt tests
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In `vlib/v/fmt/` there are::
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* `v vlib/v/fmt/fmt_test.v`
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This checks `.out` tests.
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* `v vlib/v/fmt/fmt_keep_test.v`
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This verifies that `_keep.v` files would be unchanged by `vfmt -w`.
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* `v vlib/v/fmt/fmt_vlib_test.v`
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This checks all source files are formatted and prints a summary.
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This is not required.
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## Other
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* `v test-fmt`
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Test all files in the current directory are formatted.
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* `v run cmd/tools/check-md.v -hide-warnings -all`
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Ensure that all .md files in the project are formatted properly,
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and that the V code block examples in them can be compiled/formatted too.
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## `.github/workflows/ci.yml`
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This runs various CI tests, e.g.:
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* `v vet vlib/v` - style checker
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* `v fmt -verify` on certain source files
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## `v test-cleancode`
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Check that most .v files, are invariant of `v fmt` runs.
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## `v test-compiler-full`
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Run `vlib` module tests, *including* the compiler tests.
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## `v vlib/v/compiler_errors_test.v`
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This runs tests for:
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* `checker/tests/*.vv`
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* `parser/tests/*.vv`
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## `v test-all`
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Test and build *everything*. Usefull to verify *locally*, that the CI will
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most likely pass. Slowest, but most comprehensive.
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It works, by running these in succession:
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* `v test-cleancode`
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* `v test-compiler-full`
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* `v test-fmt`
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* `v build-tools`
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* `v build-examples`
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* `v run cmd/tools/check-md.v -hide-warnings -all`
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* `v install nedpals.args`
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