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95 lines
3.1 KiB
95 lines
3.1 KiB
4 months ago
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import sys
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import subprocess
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import py
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import cffi.pkgconfig as pkgconfig
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from cffi import PkgConfigError
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def mock_call(libname, flag):
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assert libname=="foobarbaz"
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flags = {
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"--cflags": "-I/usr/include/python3.6m -DABCD -DCFFI_TEST=1 -O42\n",
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"--libs": "-L/usr/lib64 -lpython3.6 -shared\n",
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}
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return flags[flag]
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def test_merge_flags():
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d1 = {"ham": [1, 2, 3], "spam" : ["a", "b", "c"], "foo" : []}
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d2 = {"spam" : ["spam", "spam", "spam"], "bar" : ["b", "a", "z"]}
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pkgconfig.merge_flags(d1, d2)
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assert d1 == {
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"ham": [1, 2, 3],
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"spam" : ["a", "b", "c", "spam", "spam", "spam"],
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"bar" : ["b", "a", "z"],
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"foo" : []}
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def test_pkgconfig():
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assert pkgconfig.flags_from_pkgconfig([]) == {}
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saved = pkgconfig.call
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try:
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pkgconfig.call = mock_call
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flags = pkgconfig.flags_from_pkgconfig(["foobarbaz"])
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finally:
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pkgconfig.call = saved
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assert flags == {
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'include_dirs': ['/usr/include/python3.6m'],
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'library_dirs': ['/usr/lib64'],
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'libraries': ['python3.6'],
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'define_macros': [('ABCD', None), ('CFFI_TEST', '1')],
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'extra_compile_args': ['-O42'],
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'extra_link_args': ['-shared']
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}
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class mock_subprocess:
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PIPE = Ellipsis
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class Popen:
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def __init__(self, cmd, stdout, stderr):
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if mock_subprocess.RESULT is None:
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raise OSError("oops can't run")
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assert cmd == ['pkg-config', '--print-errors', '--cflags', 'libfoo']
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def communicate(self):
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bout, berr, rc = mock_subprocess.RESULT
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self.returncode = rc
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return bout, berr
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def test_call():
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saved = pkgconfig.subprocess
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try:
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pkgconfig.subprocess = mock_subprocess
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mock_subprocess.RESULT = None
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e = py.test.raises(PkgConfigError, pkgconfig.call, "libfoo", "--cflags")
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assert str(e.value) == "cannot run pkg-config: oops can't run"
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mock_subprocess.RESULT = b"", "Foo error!\n", 1
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e = py.test.raises(PkgConfigError, pkgconfig.call, "libfoo", "--cflags")
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assert str(e.value) == "Foo error!"
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mock_subprocess.RESULT = b"abc\\def\n", "", 0
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e = py.test.raises(PkgConfigError, pkgconfig.call, "libfoo", "--cflags")
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assert str(e.value).startswith("pkg-config --cflags libfoo returned an "
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"unsupported backslash-escaped output:")
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mock_subprocess.RESULT = b"abc def\n", "", 0
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result = pkgconfig.call("libfoo", "--cflags")
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assert result == "abc def\n"
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mock_subprocess.RESULT = b"abc def\n", "", 0
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result = pkgconfig.call("libfoo", "--cflags")
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assert result == "abc def\n"
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if sys.version_info >= (3,):
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mock_subprocess.RESULT = b"\xff\n", "", 0
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e = py.test.raises(PkgConfigError, pkgconfig.call,
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"libfoo", "--cflags", encoding="utf-8")
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assert str(e.value) == (
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"pkg-config --cflags libfoo returned bytes that cannot be "
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"decoded with encoding 'utf-8':\nb'\\xff\\n'")
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finally:
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pkgconfig.subprocess = saved
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