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Viewing changes to bzrlib/tests/blackbox/test_diff.py

  • Committer: John Arbash Meinel
  • Date: 2008-08-18 22:34:21 UTC
  • mto: (3606.5.6 1.6)
  • mto: This revision was merged to the branch mainline in revision 3641.
  • Revision ID: john@arbash-meinel.com-20080818223421-todjny24vj4faj4t
Add tests for the fetching behavior.

The proper parameter passed is 'unordered' add an assert for it, and
fix callers that were passing 'unsorted' instead.
Add tests that we make the right get_record_stream call based
on the value of _fetch_uses_deltas.
Fix the fetch request for signatures.

Show diffs side-by-side

added added

removed removed

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bzrlib/tests/blackbox/test_diff.py
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# Copyright (C) 2006-2010 Canonical Ltd
 
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# Copyright (C) 2005, 2006 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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#
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# You should have received a copy of the GNU General Public License
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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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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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"""Black-box tests for bzr diff.
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import os
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import re
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from bzrlib import (
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    tests,
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    workingtree,
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    )
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from bzrlib.diff import (
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    DiffTree,
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    format_registry as diff_format_registry,
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    )
 
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import bzrlib
 
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from bzrlib import workingtree
 
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from bzrlib.branch import Branch
 
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from bzrlib.tests import TestSkipped
 
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from bzrlib.tests.blackbox import ExternalBase
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def subst_dates(string):
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                  'YYYY-MM-DD HH:MM:SS +ZZZZ', string)
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class DiffBase(tests.TestCaseWithTransport):
 
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class DiffBase(ExternalBase):
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    """Base class with common setup method"""
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    def make_example_branch(self):
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        # Get an error from a file that does not exist at all
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        # (Malone #3619)
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        self.make_example_branch()
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        out, err = self.run_bzr('diff does-not-exist', retcode=3,
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            error_regexes=('not versioned.*does-not-exist',))
 
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        out, err = self.run_bzr('diff does-not-exist', retcode=3)
 
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        self.assertContainsRe(err, 'not versioned.*does-not-exist')
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    def test_diff_illegal_revision_specifiers(self):
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        out, err = self.run_bzr('diff -r 1..23..123', retcode=3,
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            error_regexes=('one or two revision specifiers',))
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    def test_diff_using_and_format(self):
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        out, err = self.run_bzr('diff --format=default --using=mydi', retcode=3,
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            error_regexes=('are mutually exclusive',))
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    def test_diff_nonexistent_revision(self):
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        out, err = self.run_bzr('diff -r 123', retcode=3,
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            error_regexes=("Requested revision: '123' does not "
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                "exist in branch:",))
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    def test_diff_nonexistent_dotted_revision(self):
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        out, err = self.run_bzr('diff -r 1.1', retcode=3)
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        self.assertContainsRe(err,
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            "Requested revision: '1.1' does not exist in branch:")
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    def test_diff_nonexistent_dotted_revision_change(self):
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        out, err = self.run_bzr('diff -c 1.1', retcode=3)
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        self.assertContainsRe(err,
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            "Requested revision: '1.1' does not exist in branch:")
 
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        out, err = self.run_bzr('diff -r 1..23..123', retcode=3)
 
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        self.assertContainsRe(err, 'one or two revision specifiers')
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    def test_diff_unversioned(self):
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        # Get an error when diffing a non-versioned file.
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    def test_diff_branches(self):
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        self.example_branches()
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        # should open branch1 and diff against branch2,
 
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        # should open branch1 and diff against branch2, 
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        self.check_b2_vs_b1('diff -r branch:branch2 branch1')
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        # Compare two working trees using various syntax forms
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        self.check_b2_vs_b1('diff --old branch2 --new branch1')
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        output = self.run_bzr('diff -r 1.. branch1', retcode=1)
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        self.assertContainsRe(output[0], '\n\\-original line\n\\+repo line\n')
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    def test_custom_format(self):
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        class BooDiffTree(DiffTree):
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            def show_diff(self, specific_files, extra_trees=None):
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                self.to_file.write("BOO!\n")
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                return super(BooDiffTree, self).show_diff(specific_files,
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                    extra_trees)
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        diff_format_registry.register("boo", BooDiffTree, 
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            "Scary diff format")
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        self.addCleanup(diff_format_registry.remove, "boo")
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        self.make_example_branch()
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        self.build_tree_contents([('hello', 'hello world!\n')])
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        output = self.run_bzr('diff --format=boo', retcode=1)
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        self.assertTrue("BOO!" in output[0])
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class TestCheckoutDiff(TestDiff):
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    def test_external_diff(self):
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        """Test that we can spawn an external diff process"""
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        self.disable_missing_extensions_warning()
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        # We have to use run_bzr_subprocess, because we need to
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        # test writing directly to stdout, (there was a bug in
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        # subprocess.py that we had to workaround).
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        # However, if 'diff' may not be available
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        self.make_example_branch()
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        # this will be automatically restored by the base bzr test class
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        os.environ['BZR_PROGRESS_BAR'] = 'none'
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        out, err = self.run_bzr_subprocess('diff -r 1 --diff-options -ub',
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                                           universal_newlines=True,
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                                           retcode=None)
 
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        orig_progress = os.environ.get('BZR_PROGRESS_BAR')
 
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        try:
 
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            os.environ['BZR_PROGRESS_BAR'] = 'none'
 
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            out, err = self.run_bzr_subprocess('diff -r 1 --diff-options -ub',
 
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                                               universal_newlines=True,
 
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                                               retcode=None)
 
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        finally:
 
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            if orig_progress is None:
 
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                del os.environ['BZR_PROGRESS_BAR']
 
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            else:
 
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                os.environ['BZR_PROGRESS_BAR'] = orig_progress
 
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        if 'Diff is not installed on this machine' in err:
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            raise tests.TestSkipped("No external 'diff' is available")
 
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            raise TestSkipped("No external 'diff' is available")
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        self.assertEqual('', err)
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        # We have to skip the stuff in the middle, because it depends
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        # on time.time()