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v/TESTS.md
2020-12-11 04:48:55 +01:00

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Automated tests

In the v repo there are several different tests. The main types are:

  • _test.v tests - check that test_ functions succeed. These can be run per directory or individually.
  • .out tests - run a .vv file and check the output matches the contents of the .out file with the same base name. This is particularly useful for checking that errors are printed.

Tip: use v -cc tcc when compiling tests for speed.

v test-compiler

This builds and tests:

  • vc repo
  • _test.v files
  • examples
  • v install a module

Some of these can be invoked separately.

vlib/v/compiler_errors_test.v

This runs tests for:

  • checker/tests/*.vv
  • parser/tests/*.vv

vlib/v/tests

General runnable program tests.

Actual code

  • v build-examples
  • v build-tools

v test-fixed

Test vlib.

vfmt tests

In vlib/v/fmt/ there's:

  • fmt_test.v

This checks .out tests.

  • fmt_keep_test.v

This verifies that _keep.v files would be unchanged by vfmt -w.

  • fmt_vlib_test.v

This checks all source files are formatted and prints a summary. This is not required.

  • v test-fmt

Test all files in the current directory are formatted.

.github/workflows/ci.yml

This runs various CI tests, e.g.:

  • v vet vlib/v - style checker
  • v fmt -verify on certain source files