author | Sylvain Thénault <sylvain.thenault@logilab.fr> |
Thu, 29 Sep 2016 23:11:38 +0200 | |
changeset 11760 | efb8250e37fb |
parent 11457 | d404fd8499dd |
child 11912 | c9e6df20e5a4 |
permissions | -rw-r--r-- |
11457
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# copyright 2016 LOGILAB S.A. (Paris, FRANCE), all rights reserved. |
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# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr |
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# |
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# This file is part of CubicWeb. |
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# |
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# CubicWeb is free software: you can redistribute it and/or modify it under the |
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# terms of the GNU Lesser General Public License as published by the Free |
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# Software Foundation, either version 2.1 of the License, or (at your option) |
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# any later version. |
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# |
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# CubicWeb is distributed in the hope that it will be useful, but WITHOUT |
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more |
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# details. |
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# |
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# You should have received a copy of the GNU Lesser General Public License |
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# along with CubicWeb. If not, see <http://www.gnu.org/licenses/>. |
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"""Unit tests for "cubes" importer.""" |
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from contextlib import contextmanager |
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import os |
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from os import path |
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import shutil |
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import sys |
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import tempfile |
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import unittest |
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from six import PY2 |
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from cubicweb import _CubesImporter |
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from cubicweb.cwconfig import CubicWebConfiguration |
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@contextmanager |
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def temp_cube(): |
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tempdir = tempfile.mkdtemp() |
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try: |
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libdir = path.join(tempdir, 'libpython') |
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cubedir = path.join(libdir, 'cubicweb_foo') |
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os.makedirs(cubedir) |
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with open(path.join(cubedir, '__init__.py'), 'w') as f: |
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f.write('"""cubicweb_foo application package"""') |
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with open(path.join(cubedir, 'bar.py'), 'w') as f: |
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f.write('baz = 1') |
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sys.path.append(libdir) |
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yield cubedir |
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finally: |
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shutil.rmtree(tempdir) |
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sys.path.remove(libdir) |
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class CubesImporterTC(unittest.TestCase): |
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def setUp(self): |
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# During discovery, CubicWebConfiguration.cls_adjust_sys_path may be |
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# called (probably because of cubicweb.devtools's __init__.py), so |
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# uninstall _CubesImporter. |
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for x in sys.meta_path: |
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if isinstance(x, _CubesImporter): |
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sys.meta_path.remove(x) |
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# Keep track of initial sys.path and sys.meta_path. |
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self.orig_sys_path = sys.path[:] |
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self.orig_sys_meta_path = sys.meta_path[:] |
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def tearDown(self): |
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# Cleanup any imported "cubes". |
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for name in list(sys.modules): |
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if name.startswith('cubes') or name.startswith('cubicweb_'): |
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del sys.modules[name] |
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# Restore sys.{meta_,}path |
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sys.path[:] = self.orig_sys_path |
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sys.meta_path[:] = self.orig_sys_meta_path |
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def test_importer_install(self): |
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_CubesImporter.install() |
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self.assertIsInstance(sys.meta_path[-1], _CubesImporter) |
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def test_config_installs_importer(self): |
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CubicWebConfiguration.cls_adjust_sys_path() |
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self.assertIsInstance(sys.meta_path[-1], _CubesImporter) |
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def test_import_cube_as_package_legacy_name(self): |
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"""Check for import of an actual package-cube using legacy name""" |
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with temp_cube() as cubedir: |
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import cubicweb_foo # noqa |
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del sys.modules['cubicweb_foo'] |
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with self.assertRaises(ImportError): |
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import cubes.foo |
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CubicWebConfiguration.cls_adjust_sys_path() |
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import cubes.foo # noqa |
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self.assertEqual(cubes.foo.__path__, [cubedir]) |
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self.assertEqual(cubes.foo.__doc__, |
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'cubicweb_foo application package') |
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# Import a submodule. |
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95 |
from cubes.foo import bar |
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96 |
self.assertEqual(bar.baz, 1) |
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97 |
|
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98 |
def test_import_legacy_cube(self): |
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99 |
"""Check that importing a legacy cube works when sys.path got adjusted. |
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100 |
""" |
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101 |
CubicWebConfiguration.cls_adjust_sys_path() |
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102 |
import cubes.card # noqa |
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103 |
|
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104 |
def test_import_cube_as_package_after_legacy_cube(self): |
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105 |
"""Check import of a "cube as package" after a legacy cube.""" |
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106 |
CubicWebConfiguration.cls_adjust_sys_path() |
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107 |
with temp_cube() as cubedir: |
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108 |
import cubes.card |
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109 |
import cubes.foo |
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110 |
self.assertEqual(cubes.foo.__path__, [cubedir]) |
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111 |
|
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112 |
def test_cube_inexistant(self): |
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113 |
"""Check for import of an inexistant cube""" |
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114 |
CubicWebConfiguration.cls_adjust_sys_path() |
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115 |
with self.assertRaises(ImportError) as cm: |
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116 |
import cubes.doesnotexists # noqa |
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117 |
msg = "No module named " + ("doesnotexists" if PY2 else "'cubes.doesnotexists'") |
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118 |
self.assertEqual(str(cm.exception), msg) |
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119 |
|
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120 |
|
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121 |
if __name__ == '__main__': |
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122 |
import unittest |
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123 |
unittest.main() |