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#!/usr/bin/env python |
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# -*- coding: utf-8 -*- |
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""" |
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test_real_hooks_with_context_serialized |
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--------------------------------------- |
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Additional tests for `cookiecutter.hooks` module. |
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""" |
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import os |
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import errno |
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import mock |
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import json |
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import sys |
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from cookiecutter import hooks, utils |
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from testfixtures import LogCapture, ShouldRaise |
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class TestRealHooks(object): |
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repo_path = os.path.abspath( |
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'tests/test-real-hooks-with-serialized-context') |
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hooks_path = repo_path + '/hooks' |
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def teardown_method(self, method): |
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LogCapture.uninstall_all() |
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def test_run_script_with_context_get_updated_context(self): |
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""" |
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Execute a hook script, passing a serialized context object and |
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getting the context updated |
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""" |
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context = { |
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"my_key": "my_val" |
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} |
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expected = { |
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"my_key": "my_val_updated" |
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} |
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actual = hooks.run_script_with_context( |
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os.path.join( |
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self.repo_path, |
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'update_context', |
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'hooks', |
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'pre_gen_project.py' |
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), |
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'tests', |
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context |
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) |
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assert actual == expected |
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def test_run_script_with_context_returns_context(self): |
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""" |
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Execute a hook script, passing a serialized context object |
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""" |
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context = { |
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"my_key": "my_val" |
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} |
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actual = hooks.run_script_with_context( |
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os.path.join( |
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self.repo_path, 'simple', 'hooks', 'pre_gen_project.py'), |
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'tests', |
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context |
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) |
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assert actual == context |
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def test_run_hook_returns_context(self): |
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""" |
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Execute a hook script, passing a serialized context object |
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""" |
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context = { |
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"my_key": "my_val" |
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} |
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with utils.work_in(os.path.join(self.repo_path, 'simple')): |
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actual = hooks.run_hook( |
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'pre_gen_project', |
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os.path.join( |
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self.repo_path, |
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'simple', |
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'input{{simple_hooks}}' |
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), |
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context |
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) |
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assert actual == context |
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with utils.work_in(os.path.join(self.repo_path, 'update_context')): |
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expected = { |
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"my_key": "my_val_updated" |
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} |
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actual = hooks.run_hook( |
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'pre_gen_project', |
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os.path.join( |
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self.repo_path, |
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'update_context', |
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'input{{update_context_hooks}}' |
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), |
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context |
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) |
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assert actual == expected |
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with utils.work_in(os.path.join(self.repo_path, 'simple')): |
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actual = hooks.run_hook( |
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'not_handled_hook', |
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os.path.join( |
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self.repo_path, |
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'simple', |
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'input{{simple_hooks}}' |
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), |
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context |
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) |
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assert actual == context |
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def test_run_script_with_context_runs_hook_in_place(self): |
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""" |
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Execute a hook script in place, passing a serialized context object |
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""" |
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hook = os.path.join( |
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self.repo_path, |
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'inplace', |
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'hooks', |
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'pre_gen_project.py' |
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) |
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context = { |
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"_run_hook_in_place": True |
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} |
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expected = { |
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"_run_hook_in_place": True, |
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"inplace": hook |
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} |
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actual = hooks.run_script_with_context(hook, 'tests', context) |
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assert actual == expected |
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def test_getting_bad_json_returns_original_context(self): |
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""" |
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Execute a hook script that returns bad json |
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""" |
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context = { |
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"my_key": "my_val", |
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} |
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actual = hooks.run_script_with_context( |
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os.path.join( |
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self.repo_path, |
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'bad_json', |
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'hooks', |
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'pre_gen_project.py' |
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), |
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'tests', |
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context |
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) |
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assert actual == context |
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@mock.patch('subprocess.Popen', autospec=True) |
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def test_handle_lost_stdin_during_communication_on_windows_os( |
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self, mock_popen |
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): |
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""" |
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Ensure that an OSError raised from Popen._stdin_write is correctly |
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caught and logged, while not blocking the process on windows OS |
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""" |
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context = { |
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"my_key": "my_val" |
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} |
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log = LogCapture() |
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proc = mock_popen.return_value |
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proc.communicate.side_effect = OSError( |
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errno.EINVAL, 'Invalid Argument' |
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) |
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proc.communicate.return_value = json.dumps(context).encode() |
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proc.wait.return_value = 0 |
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sys.platform = mock.MagicMock() |
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args = {'startswith.return_value': True} |
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sys.platform.configure_mock(**args) |
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actual = hooks.run_script_with_context( |
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os.path.join( |
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self.repo_path, 'simple', 'hooks', 'pre_gen_project.py'), |
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'tests', |
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context |
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) |
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log.check( |
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('root', 'WARNING', 'Popen.communicate failed certainly ' + |
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'because of the issue #19612') |
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) |
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assert actual == context |
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@mock.patch('subprocess.Popen', autospec=True) |
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def test_handle_oserror_during_communication_on_non_windows_os( |
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self, mock_popen |
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): |
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""" |
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Ensure that an OSError raised on a non windows os is bubbled up |
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""" |
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proc = mock_popen.return_value |
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proc.communicate.side_effect = OSError( |
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errno.EINVAL, 'Invalid Argument' |
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) |
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sys.platform = mock.MagicMock() |
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args = {'startswith.return_value': False} |
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sys.platform.configure_mock(**args) |
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with ShouldRaise() as s: |
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hooks.run_script_with_context( |
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os.path.join( |
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self.repo_path, 'simple', 'hooks', 'pre_gen_project.py'), |
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'tests', |
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{} |
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) |
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assert s.raised.code == errno.EINVAL |
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audreyr /
cookiecutter
