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bzrlib/tests/test_export.py
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""Tests for bzrlib.export."""
 
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from cStringIO import StringIO
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import os
 
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import tarfile
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import time
 
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import zipfile
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from bzrlib import (
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    errors,
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    export,
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    tests,
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    )
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class TestExport(tests.TestCaseWithTransport):
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    def test_dir_export_missing_file(self):
 
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from bzrlib.export import get_root_name
 
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from bzrlib.export.tar_exporter import export_tarball
 
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from bzrlib.tests import features
 
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class TestDirExport(tests.TestCaseWithTransport):
 
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    def test_missing_file(self):
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        self.build_tree(['a/', 'a/b', 'a/c'])
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        wt = self.make_branch_and_tree('.')
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        wt.add(['a', 'a/b', 'a/c'])
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        self.failUnlessExists('target/a/b')
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        self.failIfExists('target/a/c')
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    def test_dir_export_symlink(self):
 
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    def test_empty(self):
 
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        wt = self.make_branch_and_tree('.')
 
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        export.export(wt, 'target', format="dir")
 
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        self.assertEquals([], os.listdir("target"))
 
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    def test_symlink(self):
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        self.requireFeature(tests.SymlinkFeature)
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        wt = self.make_branch_and_tree('.')
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        os.symlink('source', 'link')
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        export.export(wt, 'target', format="dir")
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        self.failUnlessExists('target/link')
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    def test_dir_export_to_existing_empty_dir_success(self):
 
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    def test_to_existing_empty_dir_success(self):
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        self.build_tree(['source/', 'source/a', 'source/b/', 'source/b/c'])
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        wt = self.make_branch_and_tree('source')
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        wt.add(['a', 'b', 'b/c'])
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        self.failUnlessExists('target/b')
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        self.failUnlessExists('target/b/c')
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    def test_dir_export_to_existing_nonempty_dir_fail(self):
 
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    def test_to_existing_nonempty_dir_fail(self):
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        self.build_tree(['source/', 'source/a', 'source/b/', 'source/b/c'])
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        wt = self.make_branch_and_tree('source')
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        wt.add(['a', 'b', 'b/c'])
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        self.build_tree(['target/', 'target/foo'])
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        self.assertRaises(errors.BzrError, export.export, wt, 'target', format="dir")
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    def test_dir_export_existing_single_file(self):
 
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    def test_existing_single_file(self):
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        self.build_tree(['dir1/', 'dir1/dir2/', 'dir1/first', 'dir1/dir2/second'])
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        wtree = self.make_branch_and_tree('dir1')
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        wtree.add(['dir2', 'first', 'dir2/second'])
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        self.failUnlessExists('target1/first')
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        export.export(wtree, 'target2', format='dir', subdir='dir2/second')
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        self.failUnlessExists('target2/second')
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    def test_dir_export_files_same_timestamp(self):
 
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    def test_files_same_timestamp(self):
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        builder = self.make_branch_builder('source')
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        builder.start_series()
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        builder.build_snapshot(None, None, [
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        # All files must be given the same mtime.
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        self.assertEqual(st_a.st_mtime, st_b.st_mtime)
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    def test_dir_export_files_per_file_timestamps(self):
 
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    def test_files_per_file_timestamps(self):
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        builder = self.make_branch_builder('source')
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        builder.start_series()
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        # Earliest allowable date on FAT32 filesystems is 1980-01-01
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        t = self.get_transport('target')
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        self.assertEqual(a_time, t.stat('a').st_mtime)
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        self.assertEqual(b_time, t.stat('b').st_mtime)
 
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class TarExporterTests(tests.TestCaseWithTransport):
 
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    def test_xz(self):
 
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        self.requireFeature(features.lzma)
 
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        import lzma
 
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        wt = self.make_branch_and_tree('.')
 
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        self.build_tree(['a'])
 
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        wt.add(["a"])
 
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        wt.commit("1")
 
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        export.export(wt, 'target.tar.xz', format="txz")
 
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        tf = tarfile.open(fileobj=lzma.LZMAFile('target.tar.xz'))
 
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        self.assertEquals(["target/a"], tf.getnames())
 
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    def test_lzma(self):
 
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        self.requireFeature(features.lzma)
 
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        import lzma
 
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        wt = self.make_branch_and_tree('.')
 
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        self.build_tree(['a'])
 
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        wt.add(["a"])
 
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        wt.commit("1")
 
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        export.export(wt, 'target.tar.lzma', format="tlzma")
 
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        tf = tarfile.open(fileobj=lzma.LZMAFile('target.tar.lzma'))
 
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        self.assertEquals(["target/a"], tf.getnames())
 
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    def test_tgz(self):
 
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        wt = self.make_branch_and_tree('.')
 
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        self.build_tree(['a'])
 
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        wt.add(["a"])
 
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        wt.commit("1")
 
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        export.export(wt, 'target.tar.gz', format="tgz")
 
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        tf = tarfile.open('target.tar.gz')
 
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        self.assertEquals(["target/a"], tf.getnames())
 
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    def test_tgz_ignores_dest_path(self):
 
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        # The target path should not be a part of the target file.
 
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        # (bug #102234)
 
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        wt = self.make_branch_and_tree('.')
 
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        self.build_tree(['a'])
 
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        wt.add(["a"])
 
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        wt.commit("1")
 
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        os.mkdir("testdir1")
 
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        os.mkdir("testdir2")
 
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        export.export(wt, 'testdir1/target.tar.gz', format="tgz",
 
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            per_file_timestamps=True)
 
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        export.export(wt, 'testdir2/target.tar.gz', format="tgz",
 
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            per_file_timestamps=True)
 
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        file1 = open('testdir1/target.tar.gz', 'r')
 
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        self.addCleanup(file1.close)
 
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        file2 = open('testdir1/target.tar.gz', 'r')
 
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        self.addCleanup(file2.close)
 
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        content1 = file1.read()
 
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        content2 = file2.read()
 
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        self.assertEqualDiff(content1, content2)
 
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        # the gzip module doesn't have a way to read back to the original
 
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        # filename, but it's stored as-is in the tarfile.
 
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        self.assertFalse("testdir1" in content1)
 
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        self.assertFalse("target.tar.gz" in content1)
 
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        self.assertTrue("target.tar" in content1)
 
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    def test_tbz2(self):
 
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        wt = self.make_branch_and_tree('.')
 
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        self.build_tree(['a'])
 
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        wt.add(["a"])
 
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        wt.commit("1")
 
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        export.export(wt, 'target.tar.bz2', format="tbz2")
 
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        tf = tarfile.open('target.tar.bz2')
 
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        self.assertEquals(["target/a"], tf.getnames())
 
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    def test_xz_stdout(self):
 
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        wt = self.make_branch_and_tree('.')
 
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        self.assertRaises(errors.BzrError, export.export, wt, '-',
 
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            format="txz")
 
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    def test_export_tarball(self):
 
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        wt = self.make_branch_and_tree('.')
 
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        self.build_tree(['a'])
 
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        wt.add(["a"])
 
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        wt.commit("1", timestamp=42)
 
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        target = StringIO()
 
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        ball = tarfile.open(None, "w|", target)
 
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        wt.lock_read()
 
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        try:
 
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            export_tarball(wt, ball, "bar")
 
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        finally:
 
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            wt.unlock()
 
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        self.assertEquals(["bar/a"], ball.getnames())
 
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        ball.close()
 
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class ZipExporterTests(tests.TestCaseWithTransport):
 
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    def test_per_file_timestamps(self):
 
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        tree = self.make_branch_and_tree('.')
 
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        self.build_tree_contents([('har', 'foo')])
 
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        tree.add('har')
 
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        # Earliest allowable date on FAT32 filesystems is 1980-01-01
 
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        timestamp = 347151600
 
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        tree.commit('setup', timestamp=timestamp)
 
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        export.export(tree.basis_tree(), 'test.zip', format='zip',
 
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            per_file_timestamps=True)
 
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        zfile = zipfile.ZipFile('test.zip')
 
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        info = zfile.getinfo("test/har")
 
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        self.assertEquals(time.localtime(timestamp)[:6], info.date_time)
 
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class RootNameTests(tests.TestCase):
 
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    def test_root_name(self):
 
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        self.assertEquals('mytest', get_root_name('../mytest.tar'))
 
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        self.assertEquals('mytar', get_root_name('mytar.tar'))
 
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        self.assertEquals('mytar', get_root_name('mytar.tar.bz2'))
 
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        self.assertEquals('tar.tar.tar', get_root_name('tar.tar.tar.tgz'))
 
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        self.assertEquals('bzr-0.0.5', get_root_name('bzr-0.0.5.tar.gz'))
 
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        self.assertEquals('bzr-0.0.5', get_root_name('bzr-0.0.5.zip'))
 
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        self.assertEquals('bzr-0.0.5', get_root_name('bzr-0.0.5'))
 
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        self.assertEquals('mytar', get_root_name('a/long/path/mytar.tgz'))
 
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        self.assertEquals('other',
 
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            get_root_name('../parent/../dir/other.tbz2'))
 
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        self.assertEquals('', get_root_name('-'))