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80 lines
2.2 KiB
Python
80 lines
2.2 KiB
Python
import os
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import shutil
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import sys
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from unittest import mock
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import pytest
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import pre_commit.constants as C
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from pre_commit import envcontext
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from pre_commit import parse_shebang
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from pre_commit.languages import node
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from pre_commit.prefix import Prefix
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from testing.util import xfailif_windows
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ACTUAL_GET_DEFAULT_VERSION = node.get_default_version.__wrapped__
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@pytest.fixture
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def is_linux():
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with mock.patch.object(sys, 'platform', 'linux'):
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yield
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@pytest.fixture
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def is_win32():
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with mock.patch.object(sys, 'platform', 'win32'):
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yield
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@pytest.fixture
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def find_exe_mck():
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with mock.patch.object(parse_shebang, 'find_executable') as mck:
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yield mck
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@pytest.mark.usefixtures('is_linux')
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def test_sets_system_when_node_and_npm_are_available(find_exe_mck):
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find_exe_mck.return_value = '/path/to/exe'
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assert ACTUAL_GET_DEFAULT_VERSION() == 'system'
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@pytest.mark.usefixtures('is_linux')
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def test_uses_default_when_node_and_npm_are_not_available(find_exe_mck):
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find_exe_mck.return_value = None
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assert ACTUAL_GET_DEFAULT_VERSION() == C.DEFAULT
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@pytest.mark.usefixtures('is_win32')
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def test_sets_default_on_windows(find_exe_mck):
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find_exe_mck.return_value = '/path/to/exe'
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assert ACTUAL_GET_DEFAULT_VERSION() == C.DEFAULT
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@xfailif_windows # pragma: win32 no cover
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def test_healthy_system_node(tmpdir):
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tmpdir.join('package.json').write('{"name": "t", "version": "1.0.0"}')
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prefix = Prefix(str(tmpdir))
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node.install_environment(prefix, 'system', ())
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assert node.healthy(prefix, 'system')
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@xfailif_windows # pragma: win32 no cover
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def test_unhealthy_if_system_node_goes_missing(tmpdir):
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bin_dir = tmpdir.join('bin').ensure_dir()
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node_bin = bin_dir.join('node')
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node_bin.mksymlinkto(shutil.which('node'))
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prefix_dir = tmpdir.join('prefix').ensure_dir()
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prefix_dir.join('package.json').write('{"name": "t", "version": "1.0.0"}')
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path = ('PATH', (str(bin_dir), os.pathsep, envcontext.Var('PATH')))
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with envcontext.envcontext((path,)):
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prefix = Prefix(str(prefix_dir))
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node.install_environment(prefix, 'system', ())
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assert node.healthy(prefix, 'system')
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node_bin.remove()
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assert not node.healthy(prefix, 'system')
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