summaryrefslogtreecommitdiffstats
path: root/Lib/packaging/tests/test_command_build_clib.py
blob: a2a8583b0fe0da199b8209fc0f33a853cbf92e8a (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
"""Tests for distutils.command.build_clib."""
import os
import sys

from packaging.util import find_executable
from packaging.command.build_clib import build_clib
from packaging.errors import PackagingSetupError
from packaging.tests import unittest, support


class BuildCLibTestCase(support.TempdirManager,
                        support.LoggingCatcher,
                        unittest.TestCase):

    def test_check_library_dist(self):
        pkg_dir, dist = self.create_dist()
        cmd = build_clib(dist)

        # 'libraries' option must be a list
        self.assertRaises(PackagingSetupError, cmd.check_library_list, 'foo')

        # each element of 'libraries' must a 2-tuple
        self.assertRaises(PackagingSetupError, cmd.check_library_list,
                          ['foo1', 'foo2'])

        # first element of each tuple in 'libraries'
        # must be a string (the library name)
        self.assertRaises(PackagingSetupError, cmd.check_library_list,
                          [(1, 'foo1'), ('name', 'foo2')])

        # library name may not contain directory separators
        self.assertRaises(PackagingSetupError, cmd.check_library_list,
                          [('name', 'foo1'),
                           ('another/name', 'foo2')])

        # second element of each tuple must be a dictionary (build info)
        self.assertRaises(PackagingSetupError, cmd.check_library_list,
                          [('name', {}),
                           ('another', 'foo2')])

        # those work
        libs = [('name', {}), ('name', {'ok': 'good'})]
        cmd.check_library_list(libs)

    def test_get_source_files(self):
        pkg_dir, dist = self.create_dist()
        cmd = build_clib(dist)

        # "in 'libraries' option 'sources' must be present and must be
        # a list of source filenames
        cmd.libraries = [('name', {})]
        self.assertRaises(PackagingSetupError, cmd.get_source_files)

        cmd.libraries = [('name', {'sources': 1})]
        self.assertRaises(PackagingSetupError, cmd.get_source_files)

        cmd.libraries = [('name', {'sources': ['a', 'b']})]
        self.assertEqual(cmd.get_source_files(), ['a', 'b'])

        cmd.libraries = [('name', {'sources': ('a', 'b')})]
        self.assertEqual(cmd.get_source_files(), ['a', 'b'])

        cmd.libraries = [('name', {'sources': ('a', 'b')}),
                         ('name2', {'sources': ['c', 'd']})]
        self.assertEqual(cmd.get_source_files(), ['a', 'b', 'c', 'd'])

    def test_build_libraries(self):
        pkg_dir, dist = self.create_dist()
        cmd = build_clib(dist)

        class FakeCompiler:
            def compile(*args, **kw):
                pass
            create_static_lib = compile

        cmd.compiler = FakeCompiler()

        # build_libraries is also doing a bit of type checking
        lib = [('name', {'sources': 'notvalid'})]
        self.assertRaises(PackagingSetupError, cmd.build_libraries, lib)

        lib = [('name', {'sources': []})]
        cmd.build_libraries(lib)

        lib = [('name', {'sources': ()})]
        cmd.build_libraries(lib)

    def test_finalize_options(self):
        pkg_dir, dist = self.create_dist()
        cmd = build_clib(dist)

        cmd.include_dirs = 'one-dir'
        cmd.finalize_options()
        self.assertEqual(cmd.include_dirs, ['one-dir'])

        cmd.include_dirs = None
        cmd.finalize_options()
        self.assertEqual(cmd.include_dirs, [])

        cmd.distribution.libraries = 'WONTWORK'
        self.assertRaises(PackagingSetupError, cmd.finalize_options)

    @unittest.skipIf(sys.platform == 'win32', 'disabled on win32')
    def test_run(self):
        pkg_dir, dist = self.create_dist()
        cmd = build_clib(dist)

        foo_c = os.path.join(pkg_dir, 'foo.c')
        self.write_file(foo_c, 'int main(void) { return 1;}\n')
        cmd.libraries = [('foo', {'sources': [foo_c]})]

        build_temp = os.path.join(pkg_dir, 'build')
        os.mkdir(build_temp)
        cmd.build_temp = build_temp
        cmd.build_clib = build_temp

        # before we run the command, we want to make sure
        # all commands are present on the system
        # by creating a compiler and checking its executables
        from packaging.compiler import new_compiler, customize_compiler

        compiler = new_compiler()
        customize_compiler(compiler)
        for ccmd in compiler.executables.values():
            if ccmd is None:
                continue
            if find_executable(ccmd[0]) is None:
                raise unittest.SkipTest("can't test")

        # this should work
        cmd.run()

        # let's check the result
        self.assertIn('libfoo.a', os.listdir(build_temp))


def test_suite():
    return unittest.makeSuite(BuildCLibTestCase)

if __name__ == "__main__":
    unittest.main(defaultTest="test_suite")