diff options
Diffstat (limited to 'tests/languages/node_test.py')
-rw-r--r-- | tests/languages/node_test.py | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/tests/languages/node_test.py b/tests/languages/node_test.py new file mode 100644 index 0000000..fd30046 --- /dev/null +++ b/tests/languages/node_test.py @@ -0,0 +1,47 @@ +import sys +from unittest import mock + +import pytest + +import pre_commit.constants as C +from pre_commit import parse_shebang +from pre_commit.languages.node import get_default_version + + +ACTUAL_GET_DEFAULT_VERSION = get_default_version.__wrapped__ + + +@pytest.fixture +def is_linux(): + with mock.patch.object(sys, 'platform', 'linux'): + yield + + +@pytest.fixture +def is_win32(): + with mock.patch.object(sys, 'platform', 'win32'): + yield + + +@pytest.fixture +def find_exe_mck(): + with mock.patch.object(parse_shebang, 'find_executable') as mck: + yield mck + + +@pytest.mark.usefixtures('is_linux') +def test_sets_system_when_node_and_npm_are_available(find_exe_mck): + find_exe_mck.return_value = '/path/to/exe' + assert ACTUAL_GET_DEFAULT_VERSION() == 'system' + + +@pytest.mark.usefixtures('is_linux') +def test_uses_default_when_node_and_npm_are_not_available(find_exe_mck): + find_exe_mck.return_value = None + assert ACTUAL_GET_DEFAULT_VERSION() == C.DEFAULT + + +@pytest.mark.usefixtures('is_win32') +def test_sets_default_on_windows(find_exe_mck): + find_exe_mck.return_value = '/path/to/exe' + assert ACTUAL_GET_DEFAULT_VERSION() == C.DEFAULT |