mirror of
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55 lines
1.6 KiB
Python
55 lines
1.6 KiB
Python
from __future__ import absolute_import
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from __future__ import unicode_literals
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import multiprocessing
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import os
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import sys
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import mock
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import pytest
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from pre_commit.languages import helpers
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from pre_commit.prefix import Prefix
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from pre_commit.util import CalledProcessError
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def test_basic_get_default_version():
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assert helpers.basic_get_default_version() == 'default'
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def test_basic_healthy():
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assert helpers.basic_healthy(None, None) is True
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def test_failed_setup_command_does_not_unicode_error():
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script = (
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'import sys\n'
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"getattr(sys.stderr, 'buffer', sys.stderr).write(b'\\x81\\xfe')\n"
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'exit(1)\n'
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)
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# an assertion that this does not raise `UnicodeError`
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with pytest.raises(CalledProcessError):
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helpers.run_setup_cmd(Prefix('.'), (sys.executable, '-c', script))
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def test_target_concurrency_normal():
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with mock.patch.object(multiprocessing, 'cpu_count', return_value=123):
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with mock.patch.dict(os.environ, {}, clear=True):
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assert helpers.target_concurrency({'require_serial': False}) == 123
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def test_target_concurrency_cpu_count_require_serial_true():
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assert helpers.target_concurrency({'require_serial': True}) == 1
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def test_target_concurrency_on_travis():
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with mock.patch.dict(os.environ, {'TRAVIS': '1'}, clear=True):
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assert helpers.target_concurrency({'require_serial': False}) == 2
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def test_target_concurrency_cpu_count_not_implemented():
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with mock.patch.object(
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multiprocessing, 'cpu_count', side_effect=NotImplementedError,
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):
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assert helpers.target_concurrency({'require_serial': False}) == 1
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