import os.path import tarfile from unittest import mock import pytest import pre_commit.constants as C from pre_commit import parse_shebang from pre_commit.languages import ruby from pre_commit.prefix import Prefix from pre_commit.util import cmd_output from pre_commit.util import resource_bytesio from testing.util import xfailif_windows ACTUAL_GET_DEFAULT_VERSION = ruby.get_default_version.__wrapped__ @pytest.fixture def find_exe_mck(): with mock.patch.object(parse_shebang, 'find_executable') as mck: yield mck def test_uses_default_version_when_not_available(find_exe_mck): find_exe_mck.return_value = None assert ACTUAL_GET_DEFAULT_VERSION() == C.DEFAULT def test_uses_system_if_both_gem_and_ruby_are_available(find_exe_mck): find_exe_mck.return_value = '/path/to/exe' assert ACTUAL_GET_DEFAULT_VERSION() == 'system' @pytest.fixture def fake_gem_prefix(tmpdir): gemspec = '''\ Gem::Specification.new do |s| s.name = 'pre_commit_placeholder_package' s.version = '0.0.0' s.summary = 'placeholder gem for pre-commit hooks' s.authors = ['Anthony Sottile'] end ''' tmpdir.join('placeholder_gem.gemspec').write(gemspec) yield Prefix(tmpdir) @xfailif_windows # pragma: win32 no cover def test_install_ruby_system(fake_gem_prefix): ruby.install_environment(fake_gem_prefix, 'system', ()) # Should be able to activate and use rbenv install with ruby.in_env(fake_gem_prefix, 'system'): _, out, _ = cmd_output('gem', 'list') assert 'pre_commit_placeholder_package' in out @xfailif_windows # pragma: win32 no cover def test_install_ruby_default(fake_gem_prefix): ruby.install_environment(fake_gem_prefix, C.DEFAULT, ()) # Should have created rbenv directory assert os.path.exists(fake_gem_prefix.path('rbenv-default')) # Should be able to activate using our script and access rbenv with ruby.in_env(fake_gem_prefix, 'default'): cmd_output('rbenv', '--help') @xfailif_windows # pragma: win32 no cover def test_install_ruby_with_version(fake_gem_prefix): ruby.install_environment(fake_gem_prefix, '2.7.2', ()) # Should be able to activate and use rbenv install with ruby.in_env(fake_gem_prefix, '2.7.2'): cmd_output('rbenv', 'install', '--help') @pytest.mark.parametrize( 'filename', ('rbenv.tar.gz', 'ruby-build.tar.gz', 'ruby-download.tar.gz'), ) def test_archive_root_stat(filename): with resource_bytesio(filename) as f: with tarfile.open(fileobj=f) as tarf: root, _, _ = filename.partition('.') assert oct(tarf.getmember(root).mode) == '0o755'