import unittest import os, sys, os.path, time, inspect from filecmp import dircmp from tempfile import mkdtemp from shutil import rmtree, copy2 from StringIO import StringIO from zipfile import ZipFile import mozunit from JarMaker import JarMaker if sys.platform == "win32": import ctypes from ctypes import POINTER, WinError DWORD = ctypes.c_ulong LPDWORD = POINTER(DWORD) HANDLE = ctypes.c_void_p GENERIC_READ = 0x80000000 FILE_SHARE_READ = 0x00000001 OPEN_EXISTING = 3 MAX_PATH = 260 class FILETIME(ctypes.Structure): _fields_ = [("dwLowDateTime", DWORD), ("dwHighDateTime", DWORD)] class BY_HANDLE_FILE_INFORMATION(ctypes.Structure): _fields_ = [("dwFileAttributes", DWORD), ("ftCreationTime", FILETIME), ("ftLastAccessTime", FILETIME), ("ftLastWriteTime", FILETIME), ("dwVolumeSerialNumber", DWORD), ("nFileSizeHigh", DWORD), ("nFileSizeLow", DWORD), ("nNumberOfLinks", DWORD), ("nFileIndexHigh", DWORD), ("nFileIndexLow", DWORD)] # http://msdn.microsoft.com/en-us/library/aa363858 CreateFile = ctypes.windll.kernel32.CreateFileA CreateFile.argtypes = [ctypes.c_char_p, DWORD, DWORD, ctypes.c_void_p, DWORD, DWORD, HANDLE] CreateFile.restype = HANDLE # http://msdn.microsoft.com/en-us/library/aa364952 GetFileInformationByHandle = ctypes.windll.kernel32.GetFileInformationByHandle GetFileInformationByHandle.argtypes = [HANDLE, POINTER(BY_HANDLE_FILE_INFORMATION)] GetFileInformationByHandle.restype = ctypes.c_int # http://msdn.microsoft.com/en-us/library/aa364996 GetVolumePathName = ctypes.windll.kernel32.GetVolumePathNameA GetVolumePathName.argtypes = [ctypes.c_char_p, ctypes.c_char_p, DWORD] GetVolumePathName.restype = ctypes.c_int # http://msdn.microsoft.com/en-us/library/aa364993 GetVolumeInformation = ctypes.windll.kernel32.GetVolumeInformationA GetVolumeInformation.argtypes = [ctypes.c_char_p, ctypes.c_char_p, DWORD, LPDWORD, LPDWORD, LPDWORD, ctypes.c_char_p, DWORD] GetVolumeInformation.restype = ctypes.c_int def symlinks_supported(path): if sys.platform == "win32": # Add 1 for a trailing backslash if necessary, and 1 for the terminating # null character. volpath = ctypes.create_string_buffer(len(path) + 2) rv = GetVolumePathName(path, volpath, len(volpath)) if rv == 0: raise WinError() fsname = ctypes.create_string_buffer(MAX_PATH + 1) rv = GetVolumeInformation(volpath, None, 0, None, None, None, fsname, len(fsname)) if rv == 0: raise WinError() # Return true only if the fsname is NTFS return fsname.value == "NTFS" else: return True def _getfileinfo(path): """Return information for the given file. This only works on Windows.""" fh = CreateFile(path, GENERIC_READ, FILE_SHARE_READ, None, OPEN_EXISTING, 0, None) if fh is None: raise WinError() info = BY_HANDLE_FILE_INFORMATION() rv = GetFileInformationByHandle(fh, info) if rv == 0: raise WinError() return info def is_symlink_to(dest, src): if sys.platform == "win32": # Check if both are on the same volume and have the same file ID destinfo = _getfileinfo(dest) srcinfo = _getfileinfo(src) return (destinfo.dwVolumeSerialNumber == srcinfo.dwVolumeSerialNumber and destinfo.nFileIndexHigh == srcinfo.nFileIndexHigh and destinfo.nFileIndexLow == srcinfo.nFileIndexLow) else: # Read the link and check if it is correct if not os.path.islink(dest): return False target = os.path.abspath(os.readlink(dest)) abssrc = os.path.abspath(src) return target == abssrc class _TreeDiff(dircmp): """Helper to report rich results on difference between two directories. """ def _fillDiff(self, dc, rv, basepath="%s"): rv['right_only'] += map(lambda l: basepath % l, dc.right_only) rv['left_only'] += map(lambda l: basepath % l, dc.left_only) rv['diff_files'] += map(lambda l: basepath % l, dc.diff_files) rv['funny'] += map(lambda l: basepath % l, dc.common_funny) rv['funny'] += map(lambda l: basepath % l, dc.funny_files) for subdir, _dc in dc.subdirs.iteritems(): self._fillDiff(_dc, rv, basepath % (subdir + "/%s")) def allResults(self, left, right): rv = {'right_only':[], 'left_only':[], 'diff_files':[], 'funny': []} self._fillDiff(self, rv) chunks = [] if rv['right_only']: chunks.append('%s only in %s' % (', '.join(rv['right_only']), right)) if rv['left_only']: chunks.append('%s only in %s' % (', '.join(rv['left_only']), left)) if rv['diff_files']: chunks.append('%s differ' % ', '.join(rv['diff_files'])) if rv['funny']: chunks.append("%s don't compare" % ', '.join(rv['funny'])) return '; '.join(chunks) class TestJarMaker(unittest.TestCase): """ Unit tests for JarMaker.py """ debug = False # set to True to debug failing tests on disk def setUp(self): self.tmpdir = mkdtemp() self.srcdir = os.path.join(self.tmpdir, 'src') os.mkdir(self.srcdir) self.builddir = os.path.join(self.tmpdir, 'build') os.mkdir(self.builddir) self.refdir = os.path.join(self.tmpdir, 'ref') os.mkdir(self.refdir) self.stagedir = os.path.join(self.tmpdir, 'stage') os.mkdir(self.stagedir) def tearDown(self): if self.debug: print self.tmpdir elif sys.platform != "win32": # can't clean up on windows rmtree(self.tmpdir) def _jar_and_compare(self, infile, **kwargs): jm = JarMaker(outputFormat='jar') jardir = os.path.join(self.builddir, 'chrome') if 'topsourcedir' not in kwargs: kwargs['topsourcedir'] = self.srcdir for attr in ('topsourcedir', 'sourcedirs'): if attr in kwargs: setattr(jm, attr, kwargs[attr]) jm.makeJar(infile, jardir) cwd = os.getcwd() os.chdir(self.builddir) try: # expand build to stage for path, dirs, files in os.walk('.'): stagedir = os.path.join(self.stagedir, path) if not os.path.isdir(stagedir): os.mkdir(stagedir) for file in files: if file.endswith('.jar'): # expand jar stagepath = os.path.join(stagedir, file) os.mkdir(stagepath) zf = ZipFile(os.path.join(path, file)) # extractall is only in 2.6, do this manually :-( for entry_name in zf.namelist(): segs = entry_name.split('/') fname = segs.pop() dname = os.path.join(stagepath, *segs) if not os.path.isdir(dname): os.makedirs(dname) if not fname: # directory, we're done continue _c = zf.read(entry_name) open(os.path.join(dname, fname), 'wb').write(_c) zf.close() else: copy2(os.path.join(path, file), stagedir) # compare both dirs os.chdir('..') td = _TreeDiff('ref', 'stage') return td.allResults('reference', 'build') finally: os.chdir(cwd) def _create_simple_setup(self): # create src content jarf = open(os.path.join(self.srcdir, 'jar.mn'), 'w') jarf.write('''test.jar: dir/foo (bar) ''') jarf.close() open(os.path.join(self.srcdir,'bar'),'w').write('content\n') # create reference refpath = os.path.join(self.refdir, 'chrome', 'test.jar', 'dir') os.makedirs(refpath) open(os.path.join(refpath, 'foo'), 'w').write('content\n') def test_a_simple_jar(self): '''Test a simple jar.mn''' self._create_simple_setup() # call JarMaker rv = self._jar_and_compare(os.path.join(self.srcdir,'jar.mn'), sourcedirs = [self.srcdir]) self.assertTrue(not rv, rv) def test_a_simple_symlink(self): '''Test a simple jar.mn with a symlink''' if not symlinks_supported(self.srcdir): return self._create_simple_setup() jm = JarMaker(outputFormat='symlink') jm.sourcedirs = [self.srcdir] jm.topsourcedir = self.srcdir jardir = os.path.join(self.builddir, 'chrome') jm.makeJar(os.path.join(self.srcdir,'jar.mn'), jardir) # All we do is check that srcdir/bar points to builddir/chrome/test/dir/foo srcbar = os.path.join(self.srcdir, 'bar') destfoo = os.path.join(self.builddir, 'chrome', 'test', 'dir', 'foo') self.assertTrue(is_symlink_to(destfoo, srcbar), "%s is not a symlink to %s" % (destfoo, srcbar)) class Test_relativesrcdir(unittest.TestCase): def setUp(self): self.jm = JarMaker() self.jm.topsourcedir = '/TOPSOURCEDIR' self.jm.relativesrcdir = 'browser/locales' self.fake_empty_file = StringIO() self.fake_empty_file.name = 'fake_empty_file' def tearDown(self): del self.jm del self.fake_empty_file def test_en_US(self): jm = self.jm jm.makeJar(self.fake_empty_file, '/NO_OUTPUT_REQUIRED') self.assertEquals(jm.localedirs, [ os.path.join(os.path.abspath('/TOPSOURCEDIR'), 'browser/locales', 'en-US') ]) def test_l10n_no_merge(self): jm = self.jm jm.l10nbase = '/L10N_BASE' jm.makeJar(self.fake_empty_file, '/NO_OUTPUT_REQUIRED') self.assertEquals(jm.localedirs, [os.path.join('/L10N_BASE', 'browser')]) def test_l10n_merge(self): jm = self.jm jm.l10nbase = '/L10N_BASE' jm.l10nmerge = '/L10N_MERGE' jm.makeJar(self.fake_empty_file, '/NO_OUTPUT_REQUIRED') self.assertEquals(jm.localedirs, [os.path.join('/L10N_MERGE', 'browser'), os.path.join('/L10N_BASE', 'browser'), os.path.join(os.path.abspath('/TOPSOURCEDIR'), 'browser/locales', 'en-US') ]) def test_override(self): jm = self.jm jm.outputFormat = 'flat' # doesn't touch chrome dir without files jarcontents = StringIO('''en-US.jar: relativesrcdir dom/locales: ''') jarcontents.name = 'override.mn' jm.makeJar(jarcontents, '/NO_OUTPUT_REQUIRED') self.assertEquals(jm.localedirs, [ os.path.join(os.path.abspath('/TOPSOURCEDIR'), 'dom/locales', 'en-US') ]) def test_override_l10n(self): jm = self.jm jm.l10nbase = '/L10N_BASE' jm.outputFormat = 'flat' # doesn't touch chrome dir without files jarcontents = StringIO('''en-US.jar: relativesrcdir dom/locales: ''') jarcontents.name = 'override.mn' jm.makeJar(jarcontents, '/NO_OUTPUT_REQUIRED') self.assertEquals(jm.localedirs, [os.path.join('/L10N_BASE', 'dom')]) if __name__ == '__main__': mozunit.main()