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-rw-r--r--python/macholib/macholib_tests/test_dyld.py450
1 files changed, 450 insertions, 0 deletions
diff --git a/python/macholib/macholib_tests/test_dyld.py b/python/macholib/macholib_tests/test_dyld.py
new file mode 100644
index 000000000..7b41758d9
--- /dev/null
+++ b/python/macholib/macholib_tests/test_dyld.py
@@ -0,0 +1,450 @@
+from macholib import dyld
+
+import sys
+import os
+import functools
+
+if sys.version_info[:2] <= (2,6):
+ import unittest2 as unittest
+else:
+ import unittest
+
+class DyldPatcher (object):
+ def __init__(self):
+ self.calls = []
+ self.patched = {}
+
+ def clear_calls(self):
+ self.calls = []
+
+ def cleanup(self):
+ for name in self.patched:
+ setattr(dyld, name, self.patched[name])
+
+ def log_calls(self, name):
+ if name in self.patched:
+ return
+
+ self.patched[name] = getattr(dyld, name)
+
+
+ @functools.wraps(self.patched[name])
+ def wrapper(*args, **kwds):
+ self.calls.append((name, args, kwds))
+ return self.patched[name](*args, **kwds)
+
+ setattr(dyld, name, wrapper)
+
+
+class TestDyld (unittest.TestCase):
+ if not hasattr(unittest.TestCase, 'assertIsInstance'):
+ def assertIsInstance(self, value, types, message=None):
+ self.assertTrue(isinstance(value, types),
+ message or "%r is not an instance of %r"%(value, types))
+
+ def setUp(self):
+ self._environ = os.environ
+ os.environ = dict([(k, os.environ[k]) for k in os.environ if 'DYLD' not in k])
+ self._dyld_env = dyld._dyld_env
+ self._dyld_image_suffix = dyld.dyld_image_suffix
+
+ def tearDown(self):
+ dyld._dyld_env = self._dyld_env
+ dyld.dyld_image_suffix = self._dyld_image_suffix
+ os.environ = self._environ
+
+ if sys.version_info[0] == 2:
+ def test_ensure_utf8(self):
+ self.assertEqual(dyld._ensure_utf8("hello"), "hello")
+ self.assertEqual(dyld._ensure_utf8("hello".decode('utf-8')), "hello")
+ self.assertEqual(dyld._ensure_utf8(None), None)
+
+ else:
+ def test_ensure_utf8(self):
+ self.assertEqual(dyld._ensure_utf8("hello"), "hello")
+ self.assertEqual(dyld._ensure_utf8(None), None)
+ self.assertRaises(ValueError, dyld._ensure_utf8, b"hello")
+
+ def test__dyld_env(self):
+ new = os.environ
+
+ self.assertEqual(dyld._dyld_env(None, 'DYLD_FOO'), [])
+ self.assertEqual(dyld._dyld_env({'DYLD_FOO':'bar'}, 'DYLD_FOO'), ['bar'])
+ self.assertEqual(dyld._dyld_env({'DYLD_FOO':'bar:baz'}, 'DYLD_FOO'), ['bar', 'baz'])
+ self.assertEqual(dyld._dyld_env({}, 'DYLD_FOO'), [])
+ self.assertEqual(dyld._dyld_env({'DYLD_FOO':''}, 'DYLD_FOO'), [])
+ os.environ['DYLD_FOO'] = 'foobar'
+ self.assertEqual(dyld._dyld_env(None, 'DYLD_FOO'), ['foobar'])
+ os.environ['DYLD_FOO'] = 'foobar:nowhere'
+ self.assertEqual(dyld._dyld_env(None, 'DYLD_FOO'), ['foobar', 'nowhere'])
+ self.assertEqual(dyld._dyld_env({'DYLD_FOO':'bar'}, 'DYLD_FOO'), ['bar'])
+ self.assertEqual(dyld._dyld_env({}, 'DYLD_FOO'), [])
+
+
+ self.assertEqual(dyld.dyld_image_suffix(), None)
+ self.assertEqual(dyld.dyld_image_suffix(None), None)
+ self.assertEqual(dyld.dyld_image_suffix({'DYLD_IMAGE_SUFFIX':'bar'}), 'bar')
+ os.environ['DYLD_IMAGE_SUFFIX'] = 'foobar'
+ self.assertEqual(dyld.dyld_image_suffix(), 'foobar')
+ self.assertEqual(dyld.dyld_image_suffix(None), 'foobar')
+
+ def test_dyld_helpers(self):
+ record = []
+ def fake__dyld_env(env, key):
+ record.append((env, key))
+ return ['hello']
+
+ dyld._dyld_env = fake__dyld_env
+ self.assertEqual(dyld.dyld_framework_path(), ['hello'])
+ self.assertEqual(dyld.dyld_framework_path({}), ['hello'])
+
+ self.assertEqual(dyld.dyld_library_path(), ['hello'])
+ self.assertEqual(dyld.dyld_library_path({}), ['hello'])
+
+ self.assertEqual(dyld.dyld_fallback_framework_path(), ['hello'])
+ self.assertEqual(dyld.dyld_fallback_framework_path({}), ['hello'])
+
+ self.assertEqual(dyld.dyld_fallback_library_path(), ['hello'])
+ self.assertEqual(dyld.dyld_fallback_library_path({}), ['hello'])
+
+ self.assertEqual(record, [
+ (None, 'DYLD_FRAMEWORK_PATH'),
+ ({}, 'DYLD_FRAMEWORK_PATH'),
+ (None, 'DYLD_LIBRARY_PATH'),
+ ({}, 'DYLD_LIBRARY_PATH'),
+ (None, 'DYLD_FALLBACK_FRAMEWORK_PATH'),
+ ({}, 'DYLD_FALLBACK_FRAMEWORK_PATH'),
+ (None, 'DYLD_FALLBACK_LIBRARY_PATH'),
+ ({}, 'DYLD_FALLBACK_LIBRARY_PATH'),
+ ])
+
+ def test_dyld_suffix_search(self):
+ envs = [object()]
+ def fake_suffix(env):
+ envs[0] = env
+ return None
+ dyld.dyld_image_suffix = fake_suffix
+
+ iterator = [
+ '/usr/lib/foo',
+ '/usr/lib/foo.dylib',
+ ]
+ result = dyld.dyld_image_suffix_search(iter(iterator))
+ self.assertEqual(list(result), iterator)
+ self.assertEqual(envs[0], None)
+
+ result = dyld.dyld_image_suffix_search(iter(iterator), {})
+ self.assertEqual(list(result), iterator)
+ self.assertEqual(envs[0], {})
+
+ envs = [object()]
+ def fake_suffix(env):
+ envs[0] = env
+ return '_profile'
+ dyld.dyld_image_suffix = fake_suffix
+
+ iterator = [
+ '/usr/lib/foo',
+ '/usr/lib/foo.dylib',
+ ]
+ result = dyld.dyld_image_suffix_search(iter(iterator))
+ self.assertEqual(list(result), [
+ '/usr/lib/foo_profile',
+ '/usr/lib/foo',
+ '/usr/lib/foo_profile.dylib',
+ '/usr/lib/foo.dylib',
+ ])
+ self.assertEqual(envs[0], None)
+
+ result = dyld.dyld_image_suffix_search(iter(iterator), {})
+ self.assertEqual(list(result), [
+ '/usr/lib/foo_profile',
+ '/usr/lib/foo',
+ '/usr/lib/foo_profile.dylib',
+ '/usr/lib/foo.dylib',
+ ])
+ self.assertEqual(envs[0], {})
+
+ def test_override_search(self):
+ os.environ['DYLD_FRAMEWORK_PATH'] = ''
+ os.environ['DYLD_LIBRARY_PATH'] = ''
+
+ self.assertEqual(
+ list(dyld.dyld_override_search("foo.dyld", None)), [])
+ self.assertEqual(
+ list(dyld.dyld_override_search("/usr/lib/libfoo.dyld", None)), [])
+ self.assertEqual(
+ list(dyld.dyld_override_search("/Library/Frameworks/Python.framework/Versions/Current/Python", None)), [])
+
+
+ os.environ['DYLD_FRAMEWORK_PATH'] = '/Foo/Frameworks:/Bar/Frameworks'
+ os.environ['DYLD_LIBRARY_PATH'] = ''
+ self.assertEqual(
+ list(dyld.dyld_override_search("foo.dyld", None)), [])
+ self.assertEqual(
+ list(dyld.dyld_override_search("/usr/lib/libfoo.dyld", None)), [])
+ self.assertEqual(
+ list(dyld.dyld_override_search("/Library/Frameworks/Python.framework/Versions/Current/Python", None)), [
+ '/Foo/Frameworks/Python.framework/Versions/Current/Python',
+ '/Bar/Frameworks/Python.framework/Versions/Current/Python',
+ ])
+
+ os.environ['DYLD_FRAMEWORK_PATH'] = ''
+ os.environ['DYLD_LIBRARY_PATH'] = '/local/lib:/remote/lib'
+ self.assertEqual(
+ list(dyld.dyld_override_search("foo.dyld", None)), [
+ '/local/lib/foo.dyld',
+ '/remote/lib/foo.dyld',
+ ])
+ self.assertEqual(
+ list(dyld.dyld_override_search("/usr/lib/libfoo.dyld", None)), [
+ '/local/lib/libfoo.dyld',
+ '/remote/lib/libfoo.dyld',
+ ])
+ self.assertEqual(
+ list(dyld.dyld_override_search("/Library/Frameworks/Python.framework/Versions/Current/Python", None)), [
+ '/local/lib/Python',
+ '/remote/lib/Python',
+ ])
+
+ os.environ['DYLD_FRAMEWORK_PATH'] = '/Foo/Frameworks:/Bar/Frameworks'
+ os.environ['DYLD_LIBRARY_PATH'] = '/local/lib:/remote/lib'
+ self.assertEqual(
+ list(dyld.dyld_override_search("foo.dyld", None)), [
+ '/local/lib/foo.dyld',
+ '/remote/lib/foo.dyld',
+ ])
+ self.assertEqual(
+ list(dyld.dyld_override_search("/usr/lib/libfoo.dyld", None)), [
+ '/local/lib/libfoo.dyld',
+ '/remote/lib/libfoo.dyld',
+ ])
+ self.assertEqual(
+ list(dyld.dyld_override_search("/Library/Frameworks/Python.framework/Versions/Current/Python", None)), [
+ '/Foo/Frameworks/Python.framework/Versions/Current/Python',
+ '/Bar/Frameworks/Python.framework/Versions/Current/Python',
+ '/local/lib/Python',
+ '/remote/lib/Python',
+ ])
+
+ def test_executable_path_search(self):
+ self.assertEqual(list(dyld.dyld_executable_path_search("/usr/lib/foo.dyld", "/usr/bin")), [])
+ self.assertEqual(
+ list(dyld.dyld_executable_path_search("@executable_path/foo.dyld", "/usr/bin")),
+ ['/usr/bin/foo.dyld'])
+ self.assertEqual(
+ list(dyld.dyld_executable_path_search("@executable_path/../../lib/foo.dyld", "/usr/bin")),
+ ['/usr/bin/../../lib/foo.dyld'])
+
+ def test_default_search(self):
+ self.assertEqual(
+ list(dyld.dyld_default_search('/usr/lib/mylib.dylib', None)), [
+ '/usr/lib/mylib.dylib',
+ os.path.join(os.path.expanduser('~/lib'), 'mylib.dylib'),
+ '/usr/local/lib/mylib.dylib',
+ '/lib/mylib.dylib',
+ '/usr/lib/mylib.dylib',
+
+ ])
+
+ self.assertEqual(
+ list(dyld.dyld_default_search('/Library/Frameworks/Python.framework/Versions/2.7/Python', None)), [
+ '/Library/Frameworks/Python.framework/Versions/2.7/Python',
+ os.path.join(os.path.expanduser('~/Library/Frameworks'), 'Python.framework/Versions/2.7/Python'),
+ '/Library/Frameworks/Python.framework/Versions/2.7/Python',
+ '/Network/Library/Frameworks/Python.framework/Versions/2.7/Python',
+ '/System/Library/Frameworks/Python.framework/Versions/2.7/Python',
+ os.path.join(os.path.expanduser('~/lib'), 'Python'),
+ '/usr/local/lib/Python',
+ '/lib/Python',
+ '/usr/lib/Python',
+ ])
+
+
+
+
+ os.environ['DYLD_FALLBACK_LIBRARY_PATH'] = '/local/lib:/network/lib'
+ os.environ['DYLD_FALLBACK_FRAMEWORK_PATH'] = ''
+
+ self.assertEqual(
+ list(dyld.dyld_default_search('/usr/lib/mylib.dylib', None)), [
+ '/usr/lib/mylib.dylib',
+ '/local/lib/mylib.dylib',
+ '/network/lib/mylib.dylib',
+ ])
+
+
+ self.assertEqual(
+ list(dyld.dyld_default_search('/Library/Frameworks/Python.framework/Versions/2.7/Python', None)), [
+ '/Library/Frameworks/Python.framework/Versions/2.7/Python',
+ os.path.join(os.path.expanduser('~/Library/Frameworks'), 'Python.framework/Versions/2.7/Python'),
+ '/Library/Frameworks/Python.framework/Versions/2.7/Python',
+ '/Network/Library/Frameworks/Python.framework/Versions/2.7/Python',
+ '/System/Library/Frameworks/Python.framework/Versions/2.7/Python',
+ '/local/lib/Python',
+ '/network/lib/Python',
+ ])
+
+
+ os.environ['DYLD_FALLBACK_LIBRARY_PATH'] = ''
+ os.environ['DYLD_FALLBACK_FRAMEWORK_PATH'] = '/MyFrameworks:/OtherFrameworks'
+
+
+ self.assertEqual(
+ list(dyld.dyld_default_search('/usr/lib/mylib.dylib', None)), [
+ '/usr/lib/mylib.dylib',
+ os.path.join(os.path.expanduser('~/lib'), 'mylib.dylib'),
+ '/usr/local/lib/mylib.dylib',
+ '/lib/mylib.dylib',
+ '/usr/lib/mylib.dylib',
+
+ ])
+
+ self.assertEqual(
+ list(dyld.dyld_default_search('/Library/Frameworks/Python.framework/Versions/2.7/Python', None)), [
+ '/Library/Frameworks/Python.framework/Versions/2.7/Python',
+ '/MyFrameworks/Python.framework/Versions/2.7/Python',
+ '/OtherFrameworks/Python.framework/Versions/2.7/Python',
+ os.path.join(os.path.expanduser('~/lib'), 'Python'),
+ '/usr/local/lib/Python',
+ '/lib/Python',
+ '/usr/lib/Python',
+ ])
+
+ os.environ['DYLD_FALLBACK_LIBRARY_PATH'] = '/local/lib:/network/lib'
+ os.environ['DYLD_FALLBACK_FRAMEWORK_PATH'] = '/MyFrameworks:/OtherFrameworks'
+
+
+ self.assertEqual(
+ list(dyld.dyld_default_search('/usr/lib/mylib.dylib', None)), [
+ '/usr/lib/mylib.dylib',
+ '/local/lib/mylib.dylib',
+ '/network/lib/mylib.dylib',
+
+ ])
+
+ self.assertEqual(
+ list(dyld.dyld_default_search('/Library/Frameworks/Python.framework/Versions/2.7/Python', None)), [
+ '/Library/Frameworks/Python.framework/Versions/2.7/Python',
+ '/MyFrameworks/Python.framework/Versions/2.7/Python',
+ '/OtherFrameworks/Python.framework/Versions/2.7/Python',
+ '/local/lib/Python',
+ '/network/lib/Python',
+ ])
+
+ def test_dyld_find(self):
+ result = dyld.dyld_find('/usr/lib/libSystem.dylib')
+ self.assertEqual(result, '/usr/lib/libSystem.dylib')
+ self.assertIsInstance(result, str) # bytes on 2.x, unicode on 3.x
+
+ result = dyld.dyld_find(b'/usr/lib/libSystem.dylib'.decode('ascii'))
+ self.assertEqual(result, '/usr/lib/libSystem.dylib')
+ self.assertIsInstance(result, str) # bytes on 2.x, unicode on 3.x
+
+ patcher = DyldPatcher()
+ try:
+ patcher.log_calls('dyld_image_suffix_search')
+ patcher.log_calls('dyld_override_search')
+ patcher.log_calls('dyld_executable_path_search')
+ patcher.log_calls('dyld_default_search')
+
+ result = dyld.dyld_find('/usr/lib/libSystem.dylib')
+ self.assertEqual(patcher.calls[:-1], [
+ ('dyld_override_search', ('/usr/lib/libSystem.dylib', None), {}),
+ ('dyld_executable_path_search', ('/usr/lib/libSystem.dylib', None), {}),
+ ('dyld_default_search', ('/usr/lib/libSystem.dylib', None), {}),
+ ])
+ self.assertEqual(patcher.calls[-1][0], 'dyld_image_suffix_search')
+ patcher.clear_calls()
+
+ result = dyld.dyld_find('/usr/lib/libSystem.dylib', env=None)
+ self.assertEqual(patcher.calls[:-1], [
+ ('dyld_override_search', ('/usr/lib/libSystem.dylib', None), {}),
+ ('dyld_executable_path_search', ('/usr/lib/libSystem.dylib', None), {}),
+ ('dyld_default_search', ('/usr/lib/libSystem.dylib', None), {}),
+ ])
+ self.assertEqual(patcher.calls[-1][0], 'dyld_image_suffix_search')
+ patcher.clear_calls()
+
+ result = dyld.dyld_find('/usr/lib/libSystem.dylib', env={})
+ self.assertEqual(patcher.calls[:-1], [
+ ('dyld_override_search', ('/usr/lib/libSystem.dylib', {}), {}),
+ ('dyld_executable_path_search', ('/usr/lib/libSystem.dylib', None), {}),
+ ('dyld_default_search', ('/usr/lib/libSystem.dylib', {}), {}),
+ ])
+ self.assertEqual(patcher.calls[-1][0], 'dyld_image_suffix_search')
+ patcher.clear_calls()
+
+ result = dyld.dyld_find('/usr/lib/libSystem.dylib', executable_path="/opt/py2app/bin", env={})
+ self.assertEqual(patcher.calls[:-1], [
+ ('dyld_override_search', ('/usr/lib/libSystem.dylib', {}), {}),
+ ('dyld_executable_path_search', ('/usr/lib/libSystem.dylib', "/opt/py2app/bin"), {}),
+ ('dyld_default_search', ('/usr/lib/libSystem.dylib', {}), {}),
+ ])
+ self.assertEqual(patcher.calls[-1][0], 'dyld_image_suffix_search')
+ patcher.clear_calls()
+
+ finally:
+ patcher.cleanup()
+
+ def test_framework_find(self):
+ result = dyld.framework_find('/System/Library/Frameworks/Cocoa.framework/Versions/Current/Cocoa')
+ self.assertEqual(result, '/System/Library/Frameworks/Cocoa.framework/Versions/Current/Cocoa')
+ self.assertIsInstance(result, str) # bytes on 2.x, unicode on 3.x
+
+ result = dyld.framework_find(b'/System/Library/Frameworks/Cocoa.framework/Versions/Current/Cocoa'.decode('latin1'))
+ self.assertEqual(result, '/System/Library/Frameworks/Cocoa.framework/Versions/Current/Cocoa')
+ self.assertIsInstance(result, str) # bytes on 2.x, unicode on 3.x
+
+ result = dyld.framework_find('Cocoa.framework')
+ self.assertEqual(result, '/System/Library/Frameworks/Cocoa.framework/Cocoa')
+ self.assertIsInstance(result, str) # bytes on 2.x, unicode on 3.x
+
+ result = dyld.framework_find('Cocoa')
+ self.assertEqual(result, '/System/Library/Frameworks/Cocoa.framework/Cocoa')
+ self.assertIsInstance(result, str) # bytes on 2.x, unicode on 3.x
+
+ patcher = DyldPatcher()
+ try:
+ patcher.log_calls('dyld_find')
+
+ result = dyld.framework_find('/System/Library/Frameworks/Cocoa.framework/Versions/Current/Cocoa')
+ self.assertEqual(patcher.calls, [
+ ('dyld_find', ('/System/Library/Frameworks/Cocoa.framework/Versions/Current/Cocoa',),
+ {'env':None, 'executable_path': None}),
+ ])
+ patcher.clear_calls()
+
+ result = dyld.framework_find('Cocoa')
+ self.assertEqual(patcher.calls, [
+ ('dyld_find', ('Cocoa',),
+ {'env':None, 'executable_path': None}),
+ ('dyld_find', ('Cocoa.framework/Cocoa',),
+ {'env':None, 'executable_path': None}),
+ ])
+ patcher.clear_calls()
+
+ result = dyld.framework_find('Cocoa', '/my/sw/bin', {})
+ self.assertEqual(patcher.calls, [
+ ('dyld_find', ('Cocoa',),
+ {'env':{}, 'executable_path': '/my/sw/bin'}),
+ ('dyld_find', ('Cocoa.framework/Cocoa',),
+ {'env':{}, 'executable_path': '/my/sw/bin'}),
+ ])
+ patcher.clear_calls()
+
+
+ finally:
+ patcher.cleanup()
+
+
+
+
+class TestTrivialDyld (unittest.TestCase):
+ # Tests ported from the implementation file
+ def testBasic(self):
+ self.assertEqual(dyld.dyld_find('libSystem.dylib'), '/usr/lib/libSystem.dylib')
+ self.assertEqual(dyld.dyld_find('System.framework/System'), '/System/Library/Frameworks/System.framework/System')
+
+if __name__ == "__main__":
+ unittest.main()
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-10 02:43:20 +0000