test_run_failing_hook_cleansup() - Code Metrics - Inspection of "Remove created output directory on hook failure" - michaeljoseph/cookiecutter - Measure and Improve Code Quality continuously with Scrutinizer

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Push — 629-preserve-existing-director... ( c055a4 )

by Michael

created 2017-06-25 17:04 UTC

test_run_failing_hook_cleansup() B

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Complexity

Conditions

Size

Total Lines

Duplication

Lines	27
Ratio	100 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	5
dl	27
loc	27
rs	8.0894
c	1
b	0
f	0

# -*- coding: utf-8 -*-

"""
test_generate_hooks
-------------------

Tests formerly known from a unittest residing in test_generate.py named
TestHooks.test_ignore_hooks_dirs
TestHooks.test_run_python_hooks
TestHooks.test_run_python_hooks_cwd
TestHooks.test_run_shell_hooks
"""

from __future__ import unicode_literals
import errno
import os
import sys
import stat
import pytest

from cookiecutter import generate
from cookiecutter import utils
from cookiecutter.exceptions import FailedHookException

WINDOWS = sys.platform.startswith('win')


@pytest.fixture(scope='function')
def remove_additional_folders(request):
    """
    Remove some special folders which are created by the tests.
    """
    def fin_remove_additional_folders():
        if os.path.exists('tests/test-pyhooks/inputpyhooks'):
            utils.rmtree('tests/test-pyhooks/inputpyhooks')
        if os.path.exists('inputpyhooks'):
            utils.rmtree('inputpyhooks')
        if os.path.exists('tests/test-shellhooks'):
            utils.rmtree('tests/test-shellhooks')
        if os.path.exists('tests/test-hooks'):
            utils.rmtree('tests/test-hooks')
    request.addfinalizer(fin_remove_additional_folders)


@pytest.mark.usefixtures('clean_system', 'remove_additional_folders')
def test_ignore_hooks_dirs():
    generate.generate_files(
        context={
            'cookiecutter': {'pyhooks': 'pyhooks'}
        },
        repo_dir='tests/test-pyhooks/',
        output_dir='tests/test-pyhooks/'
    )
    assert not os.path.exists('tests/test-pyhooks/inputpyhooks/hooks')


@pytest.mark.usefixtures('clean_system', 'remove_additional_folders')
def test_run_python_hooks():
    generate.generate_files(
        context={
            'cookiecutter': {'pyhooks': 'pyhooks'}
        },
        repo_dir='tests/test-pyhooks/'.replace("/", os.sep),
        output_dir='tests/test-pyhooks/'.replace("/", os.sep)
    )
    assert os.path.exists('tests/test-pyhooks/inputpyhooks/python_pre.txt')
    assert os.path.exists('tests/test-pyhooks/inputpyhooks/python_post.txt')


@pytest.mark.usefixtures('clean_system', 'remove_additional_folders')
def test_run_python_hooks_cwd():
    generate.generate_files(
        context={
            'cookiecutter': {'pyhooks': 'pyhooks'}
        },
        repo_dir='tests/test-pyhooks/'
    )
    assert os.path.exists('inputpyhooks/python_pre.txt')
    assert os.path.exists('inputpyhooks/python_post.txt')


@pytest.mark.skipif(WINDOWS, reason='OSError.errno=8 is not thrown on Windows')
@pytest.mark.usefixtures('clean_system', 'remove_additional_folders')
def test_empty_hooks():
    # OSError.errno=8 is not thrown on Windows when the script is empty
    # because it always runs through shell instead of needing a shebang.
    with pytest.raises(FailedHookException) as excinfo:
        generate.generate_files(
            context={
                'cookiecutter': {'shellhooks': 'shellhooks'}
            },
            repo_dir='tests/test-shellhooks-empty/',
            overwrite_if_exists=True
        )
    assert 'shebang' in str(excinfo.value)


@pytest.mark.usefixtures('clean_system', 'remove_additional_folders')
def test_oserror_hooks(mocker):

    message = 'Out of memory'

    err = OSError(message)
    err.errno = errno.ENOMEM

    prompt = mocker.patch('subprocess.Popen')
    prompt.side_effect = err

    os.makedirs('inputshellhooks')
    with pytest.raises(FailedHookException) as excinfo:
        generate.generate_files(
            context={
                'cookiecutter': {'shellhooks': 'shellhooks'}
            },
            repo_dir='tests/test-shellhooks-empty/',
            overwrite_if_exists=True
        )
    assert message in str(excinfo.value)
    assert os.path.exists('inputshellhooks')


@pytest.mark.usefixtures('clean_system', 'remove_additional_folders')

def test_run_failing_hook_cleansup():
    repo_path = os.path.abspath('tests/test-hooks/')
    hooks_path = os.path.abspath('tests/test-hooks/hooks')

    hook_dir = os.path.join(repo_path, 'hooks')
    template = os.path.join(repo_path, 'input{{cookiecutter.hooks}}')
    os.mkdir(repo_path)
    os.mkdir(hook_dir)
    os.mkdir(template)

    hook_path = os.path.join(hooks_path, 'pre_gen_project.py')

    with open(hook_path, 'w') as f:
        f.write(b"#!/usr/bin/env python\n")
        f.write(b"import sys; sys.exit(1)\n")

    with pytest.raises(FailedHookException) as excinfo:
        generate.generate_files(
            context={
                'cookiecutter': {'hooks': 'hooks'}
            },
            repo_dir='tests/test-hooks/',
            overwrite_if_exists=True
        )
        assert 'Hook script failed' in str(excinfo.value)
    assert not os.path.exists('inputhooks')


@pytest.mark.usefixtures('clean_system', 'remove_additional_folders')

def test_run_failing_hook_preserves_existing_output_directory():
    repo_path = os.path.abspath('tests/test-hooks/')
    hooks_path = os.path.abspath('tests/test-hooks/hooks')

    hook_dir = os.path.join(repo_path, 'hooks')
    template = os.path.join(repo_path, 'input{{cookiecutter.hooks}}')
    os.mkdir(repo_path)
    os.mkdir(hook_dir)
    os.mkdir(template)

    hook_path = os.path.join(hooks_path, 'pre_gen_project.py')

    with open(hook_path, 'w') as f:
        f.write(b"#!/usr/bin/env python\n")
        f.write(b"import sys; sys.exit(1)\n")

    os.mkdir('inputhooks')
    with pytest.raises(FailedHookException) as excinfo:
        generate.generate_files(
            context={
                'cookiecutter': {'hooks': 'hooks'}
            },
            repo_dir='tests/test-hooks/',
            overwrite_if_exists=True
        )
        assert 'Hook script failed' in str(excinfo.value)
    assert os.path.exists('inputhooks')


def make_test_repo(name):
    hooks = os.path.join(name, 'hooks')
    template = os.path.join(name, 'input{{cookiecutter.shellhooks}}')
    os.mkdir(name)
    os.mkdir(hooks)
    os.mkdir(template)

    with open(os.path.join(template, 'README.rst'), 'w') as f:
        f.write("foo\n===\n\nbar\n")

    if sys.platform.startswith('win'):
        filename = os.path.join(hooks, 'pre_gen_project.bat')
        with open(filename, 'w') as f:
            f.write("@echo off\n")
            f.write("\n")
            f.write("echo pre generation hook\n")
            f.write("echo. >shell_pre.txt\n")

        filename = os.path.join(hooks, 'post_gen_project.bat')
        with open(filename, 'w') as f:
            f.write("@echo off\n")
            f.write("\n")
            f.write("echo post generation hook\n")
            f.write("echo. >shell_post.txt\n")
    else:
        filename = os.path.join(hooks, 'pre_gen_project.sh')
        with open(filename, 'w') as f:
            f.write("#!/bin/bash\n")
            f.write("\n")
            f.write("echo 'pre generation hook';\n")
            f.write("touch 'shell_pre.txt'\n")
        # Set the execute bit
        os.chmod(filename, os.stat(filename).st_mode | stat.S_IXUSR)

        filename = os.path.join(hooks, 'post_gen_project.sh')
        with open(filename, 'w') as f:
            f.write("#!/bin/bash\n")
            f.write("\n")
            f.write("echo 'post generation hook';\n")
            f.write("touch 'shell_post.txt'\n")
        # Set the execute bit
        os.chmod(filename, os.stat(filename).st_mode | stat.S_IXUSR)


@pytest.mark.usefixtures('clean_system', 'remove_additional_folders')
def test_run_shell_hooks():
    make_test_repo('tests/test-shellhooks')
    generate.generate_files(
        context={
            'cookiecutter': {'shellhooks': 'shellhooks'}
        },
        repo_dir='tests/test-shellhooks/',
        output_dir='tests/test-shellhooks/'
    )
    shell_pre_file = 'tests/test-shellhooks/inputshellhooks/shell_pre.txt'
    shell_post_file = 'tests/test-shellhooks/inputshellhooks/shell_post.txt'
    assert os.path.exists(shell_pre_file)
    assert os.path.exists(shell_post_file)


1		# -- coding: utf-8 --
2
3		"""
4		test_generate_hooks
5		-------------------
6
7		Tests formerly known from a unittest residing in test_generate.py named
8		TestHooks.test_ignore_hooks_dirs
9		TestHooks.test_run_python_hooks
10		TestHooks.test_run_python_hooks_cwd
11		TestHooks.test_run_shell_hooks
12		"""
13
14		from __future__ import unicode_literals
15		import errno
16		import os
17		import sys
18		import stat
19		import pytest
20
21		from cookiecutter import generate
22		from cookiecutter import utils
23		from cookiecutter.exceptions import FailedHookException
24
25		WINDOWS = sys.platform.startswith('win')
26
27
28		@pytest.fixture(scope='function')
29		def remove_additional_folders(request):
30		"""
31		Remove some special folders which are created by the tests.
32		"""
33		def fin_remove_additional_folders():
34		if os.path.exists('tests/test-pyhooks/inputpyhooks'):
35		utils.rmtree('tests/test-pyhooks/inputpyhooks')
36		if os.path.exists('inputpyhooks'):
37		utils.rmtree('inputpyhooks')
38		if os.path.exists('tests/test-shellhooks'):
39		utils.rmtree('tests/test-shellhooks')
40		if os.path.exists('tests/test-hooks'):
41		utils.rmtree('tests/test-hooks')
42		request.addfinalizer(fin_remove_additional_folders)
43
44
45		@pytest.mark.usefixtures('clean_system', 'remove_additional_folders')
46		def test_ignore_hooks_dirs():
47		generate.generate_files(
48		context={
49		'cookiecutter': {'pyhooks': 'pyhooks'}
50		},
51		repo_dir='tests/test-pyhooks/',
52		output_dir='tests/test-pyhooks/'
53		)
54		assert not os.path.exists('tests/test-pyhooks/inputpyhooks/hooks')
55
56
57		@pytest.mark.usefixtures('clean_system', 'remove_additional_folders')
58		def test_run_python_hooks():
59		generate.generate_files(
60		context={
61		'cookiecutter': {'pyhooks': 'pyhooks'}
62		},
63		repo_dir='tests/test-pyhooks/'.replace("/", os.sep),
64		output_dir='tests/test-pyhooks/'.replace("/", os.sep)
65		)
66		assert os.path.exists('tests/test-pyhooks/inputpyhooks/python_pre.txt')
67		assert os.path.exists('tests/test-pyhooks/inputpyhooks/python_post.txt')
68
69
70		@pytest.mark.usefixtures('clean_system', 'remove_additional_folders')
71		def test_run_python_hooks_cwd():
72		generate.generate_files(
73		context={
74		'cookiecutter': {'pyhooks': 'pyhooks'}
75		},
76		repo_dir='tests/test-pyhooks/'
77		)
78		assert os.path.exists('inputpyhooks/python_pre.txt')
79		assert os.path.exists('inputpyhooks/python_post.txt')
80
81
82		@pytest.mark.skipif(WINDOWS, reason='OSError.errno=8 is not thrown on Windows')
83		@pytest.mark.usefixtures('clean_system', 'remove_additional_folders')
84		def test_empty_hooks():
85		# OSError.errno=8 is not thrown on Windows when the script is empty
86		# because it always runs through shell instead of needing a shebang.
87		with pytest.raises(FailedHookException) as excinfo:
88		generate.generate_files(
89		context={
90		'cookiecutter': {'shellhooks': 'shellhooks'}
91		},
92		repo_dir='tests/test-shellhooks-empty/',
93		overwrite_if_exists=True
94		)
95		assert 'shebang' in str(excinfo.value)
96
97
98		@pytest.mark.usefixtures('clean_system', 'remove_additional_folders')
99		def test_oserror_hooks(mocker):
100
101		message = 'Out of memory'
102
103		err = OSError(message)
104		err.errno = errno.ENOMEM
105
106		prompt = mocker.patch('subprocess.Popen')
107		prompt.side_effect = err
108
109		os.makedirs('inputshellhooks')
110		with pytest.raises(FailedHookException) as excinfo:
111		generate.generate_files(
112		context={
113		'cookiecutter': {'shellhooks': 'shellhooks'}
114		},
115		repo_dir='tests/test-shellhooks-empty/',
116		overwrite_if_exists=True
117		)
118		assert message in str(excinfo.value)
119		assert os.path.exists('inputshellhooks')
120
121
122	View Code Duplication	@pytest.mark.usefixtures('clean_system', 'remove_additional_folders')
		0 ignored issues – show Duplication introduced 2017-06-25 17:05 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
123		def test_run_failing_hook_cleansup():
124		repo_path = os.path.abspath('tests/test-hooks/')
125		hooks_path = os.path.abspath('tests/test-hooks/hooks')
126
127		hook_dir = os.path.join(repo_path, 'hooks')
128		template = os.path.join(repo_path, 'input{{cookiecutter.hooks}}')
129		os.mkdir(repo_path)
130		os.mkdir(hook_dir)
131		os.mkdir(template)
132
133		hook_path = os.path.join(hooks_path, 'pre_gen_project.py')
134
135		with open(hook_path, 'w') as f:
136		f.write(b"#!/usr/bin/env python\n")
137		f.write(b"import sys; sys.exit(1)\n")
138
139		with pytest.raises(FailedHookException) as excinfo:
140		generate.generate_files(
141		context={
142		'cookiecutter': {'hooks': 'hooks'}
143		},
144		repo_dir='tests/test-hooks/',
145		overwrite_if_exists=True
146		)
147		assert 'Hook script failed' in str(excinfo.value)
148		assert not os.path.exists('inputhooks')
149
150
151	View Code Duplication	@pytest.mark.usefixtures('clean_system', 'remove_additional_folders')
		0 ignored issues – show Duplication introduced 2017-06-25 17:05 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
152		def test_run_failing_hook_preserves_existing_output_directory():
153		repo_path = os.path.abspath('tests/test-hooks/')
154		hooks_path = os.path.abspath('tests/test-hooks/hooks')
155
156		hook_dir = os.path.join(repo_path, 'hooks')
157		template = os.path.join(repo_path, 'input{{cookiecutter.hooks}}')
158		os.mkdir(repo_path)
159		os.mkdir(hook_dir)
160		os.mkdir(template)
161
162		hook_path = os.path.join(hooks_path, 'pre_gen_project.py')
163
164		with open(hook_path, 'w') as f:
165		f.write(b"#!/usr/bin/env python\n")
166		f.write(b"import sys; sys.exit(1)\n")
167
168		os.mkdir('inputhooks')
169		with pytest.raises(FailedHookException) as excinfo:
170		generate.generate_files(
171		context={
172		'cookiecutter': {'hooks': 'hooks'}
173		},
174		repo_dir='tests/test-hooks/',
175		overwrite_if_exists=True
176		)
177		assert 'Hook script failed' in str(excinfo.value)
178		assert os.path.exists('inputhooks')
179
180
181		def make_test_repo(name):
182		hooks = os.path.join(name, 'hooks')
183		template = os.path.join(name, 'input{{cookiecutter.shellhooks}}')
184		os.mkdir(name)
185		os.mkdir(hooks)
186		os.mkdir(template)
187
188		with open(os.path.join(template, 'README.rst'), 'w') as f:
189		f.write("foo\n===\n\nbar\n")
190
191		if sys.platform.startswith('win'):
192		filename = os.path.join(hooks, 'pre_gen_project.bat')
193		with open(filename, 'w') as f:
194		f.write("@echo off\n")
195		f.write("\n")
196		f.write("echo pre generation hook\n")
197		f.write("echo. >shell_pre.txt\n")
198
199		filename = os.path.join(hooks, 'post_gen_project.bat')
200		with open(filename, 'w') as f:
201		f.write("@echo off\n")
202		f.write("\n")
203		f.write("echo post generation hook\n")
204		f.write("echo. >shell_post.txt\n")
205		else:
206		filename = os.path.join(hooks, 'pre_gen_project.sh')
207		with open(filename, 'w') as f:
208		f.write("#!/bin/bash\n")
209		f.write("\n")
210		f.write("echo 'pre generation hook';\n")
211		f.write("touch 'shell_pre.txt'\n")
212		# Set the execute bit
213		os.chmod(filename, os.stat(filename).st_mode \| stat.S_IXUSR)
214
215		filename = os.path.join(hooks, 'post_gen_project.sh')
216		with open(filename, 'w') as f:
217		f.write("#!/bin/bash\n")
218		f.write("\n")
219		f.write("echo 'post generation hook';\n")
220		f.write("touch 'shell_post.txt'\n")
221		# Set the execute bit
222		os.chmod(filename, os.stat(filename).st_mode \| stat.S_IXUSR)
223
224
225		@pytest.mark.usefixtures('clean_system', 'remove_additional_folders')
226		def test_run_shell_hooks():
227		make_test_repo('tests/test-shellhooks')
228		generate.generate_files(
229		context={
230		'cookiecutter': {'shellhooks': 'shellhooks'}
231		},
232		repo_dir='tests/test-shellhooks/',
233		output_dir='tests/test-shellhooks/'
234		)
235		shell_pre_file = 'tests/test-shellhooks/inputshellhooks/shell_pre.txt'
236		shell_post_file = 'tests/test-shellhooks/inputshellhooks/shell_post.txt'
237		assert os.path.exists(shell_pre_file)
238		assert os.path.exists(shell_post_file)
239

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Push — 629-preserve-existing-director... ( c055a4 )

test_run_failing_hook_cleansup() B

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