summaryrefslogtreecommitdiff
path: root/tests/test_ptr.py
blob: 521c59ab41873be82ff31565ceefc94ac38733a2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
from __future__ import unicode_literals

import contextlib
import io
import os
import shutil
import sys
import tarfile
import textwrap
import time

import pytest


def DALS(s):
    "dedent and left-strip"
    return textwrap.dedent(s).lstrip()


def _tarfile_open_ex(*args, **kwargs):
    """
    Extend result as a context manager.
    """
    return contextlib.closing(tarfile.open(*args, **kwargs))


if sys.version_info[:2] < (2, 7) or (3, 0) <= sys.version_info[:2] < (3, 2):
    tarfile_open = _tarfile_open_ex
else:
    tarfile_open = tarfile.open


def make_sdist(dist_path, files):
    """
    Create a simple sdist tarball at dist_path, containing the files
    listed in ``files`` as ``(filename, content)`` tuples.
    """

    with tarfile_open(dist_path, 'w:gz') as dist:
        for filename, content in files:
            file_bytes = io.BytesIO(content.encode('utf-8'))
            file_info = tarfile.TarInfo(name=filename)
            file_info.size = len(file_bytes.getvalue())
            file_info.mtime = int(time.time())
            dist.addfile(file_info, fileobj=file_bytes)


@pytest.fixture
def venv(virtualenv):
    yield virtualenv
    # Workaround virtualenv not cleaning itself as it should...
    virtualenv.delete = True
    virtualenv.teardown()


@pytest.mark.parametrize('setuptools_req, test_args', (
    ('setuptools==27.2.0', ''),
    ('setuptools==27.2.0', '--extras'),
    ('setuptools==27.3.0', ''),
    ('setuptools==27.3.0', '--extras'),
    ('setuptools==32.3.1', ''),
    ('setuptools==32.3.1', '--extras'),
    ('setuptools==36.3.0', ''),
    ('setuptools==36.3.0', '--extras'),
    ('setuptools'        , ''),
    ('setuptools'        , '--extras'),
))
def test_egg_fetcher(venv, setuptools_req, test_args):
    test_args = test_args.split()
    # Install pytest & pytest-runner.
    venv.run('python setup.py develop', cwd=os.getcwd())
    venv.run('pip install pytest')
    # Install setuptools version.
    venv.run('pip install -U'.split() + [setuptools_req])
    # For debugging purposes.
    venv.run('pip freeze --all')
    # Prepare fake index.
    index_dir = (venv.workspace / 'index').mkdir()
    for n in range(5):
        dist_name = 'barbazquux' + str(n + 1)
        dist_version = '0.1'
        dist_sdist = '%s-%s.tar.gz' % (dist_name, dist_version)
        dist_dir = (index_dir / dist_name).mkdir()
        make_sdist(dist_dir / dist_sdist, (
            ('setup.py', textwrap.dedent(
                '''
                from setuptools import setup
                setup(
                    name={dist_name!r},
                    version={dist_version!r},
                    py_modules=[{dist_name!r}],
                )
                '''
            ).format(dist_name=dist_name, dist_version=dist_version)),
            (dist_name + '.py', ''),
        ))
        with (dist_dir / 'index.html').open('w') as fp:
            fp.write(DALS(
                '''
                <!DOCTYPE html><html><body>
                <a href="{dist_sdist}" rel="internal">{dist_sdist}</a><br/>
                </body></html>
                '''
            ).format(dist_sdist=dist_sdist))
    # Move barbazquux1 out of the index.
    shutil.move(index_dir / 'barbazquux1', venv.workspace)
    barbazquux1_link = (
        'file://' + str(venv.workspace.abspath())
        + '/barbazquux1/barbazquux1-0.1.tar.gz'
        + '#egg=barbazquux1-0.1'
    )
    # Prepare fake project.
    project_dir = (venv.workspace / 'project-0.1').mkdir()
    with open(project_dir / 'setup.py', 'w') as fp:
        fp.write(DALS(
            '''
            from setuptools import setup
            setup(
                name='project',
                version='0.1',
                dependency_links = [
                    {barbazquux1_link!r},
                ],
                setup_requires=[
                    'pytest-runner',
                ],
                install_requires=[
                    'barbazquux1',
                ],
                tests_require=[
                    'pytest',
                    'barbazquux2',
                ],
                extras_require={{
                    ':"{sys_platform}" in sys_platform': 'barbazquux3',
                    ':"barbazquux" in sys_platform': 'barbazquux4',
                    'extra': 'barbazquux5',
                }}
            )
            ''').format(sys_platform=sys.platform,
                        barbazquux1_link=barbazquux1_link))
    with open(project_dir / 'setup.cfg', 'w') as fp:
        fp.write(DALS(
            '''
            [easy_install]
            index_url = .
            '''))
    with open(project_dir / 'test_stuff.py', 'w') as fp:
        fp.write(DALS(
            '''
            import pytest

            def test_stuff():
                import barbazquux1
                import barbazquux2
                import barbazquux3
                with pytest.raises(ImportError):
                    import barbazquux4
                if {importable_barbazquux5}:
                    import barbazquux5
                else:
                    with pytest.raises(ImportError):
                        import barbazquux5
            ''').format(importable_barbazquux5=('--extras' in test_args)))
    # Run fake project tests.
    cmd = 'python setup.py pytest'.split()
    cmd += ['--index-url=' + index_dir.abspath()]
    cmd += test_args
    venv.run(cmd, cwd=project_dir)