Testing Ruby

Test suites

There are several test suites in the Ruby codebase:

We can run any of the make scripts in parallel to speed them up.

bootstraptest/

This is a small test suite that runs on Miniruby (see building Ruby). We can run it with:
```
make btest
```
To run it with logs, we can use:
```
make btest OPTS=-v
```
To run individual bootstrap tests, we can either specify a list of filenames or use the --sets flag in the variable BTESTS:
```
make btest BTESTS="bootstraptest/test_fork.rb bootstraptest/tes_gc.rb"
make btest BTESTS="--sets=fork,gc"
```
If we want to run the bootstrap test suite on Ruby (not Miniruby), we can use:
```
make test
```
To run it with logs, we can use:
```
make test OPTS=-v
```
To run a file or directory with GNU make, we can use:
```
make test/ruby/test_foo.rb
make test/ruby/test_foo.rb TESTOPTS="-n /test_bar/"
```
test/

This is a more comprehensive test suite that runs on Ruby. We can run it with:
```
make test-all
```
We can run a specific test directory in this suite using the TESTS option, for example:
```
make test-all TESTS=test/rubygems
```
We can run a specific test file in this suite by also using the TESTS option, for example:
```
make test-all TESTS=test/ruby/test_array.rb
```
We can run a specific test in this suite using the TESTS option, specifying first the file name, and then the test name, prefixed with --name. For example:
```
make test-all TESTS="../test/ruby/test_alias.rb --name=/test_alias_with_zsuper_method/"
```
To run these specs with logs, we can use:
```
make test-all TESTS=-v
```
If we would like to run both the test/ and bootstraptest/ test suites, we can run
```
make check
```
spec/ruby

This is a test suite that exists in the Ruby spec repository and is mirrored into the spec/ruby directory in the Ruby repository. It tests the behavior of the Ruby programming language. We can run this using:
```
make test-spec
```
To run a specific directory, we can use MSPECOPT to specify the directory:
```
make test-spec MSPECOPT=spec/ruby/core/array
```
To run a specific file, we can also use MSPECOPT to specify the file:
```
make test-spec MSPECOPT=spec/ruby/core/array/any_spec.rb
```
To run a specific test, we can use the --example flag to match against the test name:
```
make test-spec MSPECOPT="../spec/ruby/core/array/any_spec.rb --example='is false if the array is empty'"
```
To run these specs with logs, we can use:
```
make test-spec MSPECOPT=-Vfs
```
To run a ruby-spec file or directory with GNU make, we can use
```
make spec/ruby/core/foo/bar_spec.rb
```
spec/bundler

The bundler test suite exists in the RubyGems repository and is mirrored into the spec/bundler directory in the Ruby repository. We can run this using:
```
make test-bundler
```
To run a specific bundler spec file, we can use BUNDLER_SPECS as follows:
```
$ make test-bundler BUNDLER_SPECS=commands/exec_spec.rb
```

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Testing Ruby

Test suites

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