~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2007 Canonical Ltd

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

import os

from StringIO import StringIO

from bzrlib import (

    delta as _mod_delta,

    tests,

    )

class InstrumentedReporter(object):

    def __init__(self):

        self.calls = []

    def report(self, file_id, path, versioned, renamed, modified, exe_change,

               kind):

        self.calls.append((file_id, path, versioned, renamed, modified,

                           exe_change, kind))

class TestReportChanges(tests.TestCase):

    """Test the new change reporting infrastructure"""

    def assertReport(self, expected, file_id='fid', path='path',

                     versioned_change='unchanged', renamed=False,

                     modified='unchanged', exe_change=False,

                     kind=('file', 'file'), old_path=None,

                     unversioned_filter=None):

        result = []

        def result_line(format, *args):

            result.append(format % args)

        reporter = _mod_delta._ChangeReporter(result_line,

            unversioned_filter=unversioned_filter)

        reporter.report(file_id, (old_path, path), versioned_change, renamed,

            modified, exe_change, kind)

        if expected is not None:

            self.assertEqualDiff(expected, result[0])

        else:

            self.assertEqual([], result)

    def test_rename(self):

        self.assertReport('R   old => path', renamed=True, old_path='old')

        self.assertReport('    path')

        self.assertReport('RN  old => path', renamed=True, old_path='old',

                          modified='created', kind=(None, 'file'))

    def test_kind(self):

        self.assertReport(' K  path => path/', modified='kind changed',

                          kind=('file', 'directory'), old_path='path')

        self.assertReport(' K  path/ => path', modified='kind changed',

                          kind=('directory', 'file'), old_path='old')

        self.assertReport('RK  old => path/', renamed=True,

                          modified='kind changed',

                          kind=('file', 'directory'), old_path='old')

    def test_new(self):

        self.assertReport(' N  path/', modified='created',

                          kind=(None, 'directory'))

        self.assertReport('+   path/', versioned_change='added',

                          modified='unchanged', kind=(None, 'directory'))

        self.assertReport('+   path', versioned_change='added',

                          modified='unchanged', kind=(None, None))

        self.assertReport('+N  path/', versioned_change='added',

                          modified='created', kind=(None, 'directory'))

        self.assertReport('+M  path/', versioned_change='added',

                          modified='modified', kind=(None, 'directory'))

    def test_removal(self):

        self.assertReport(' D  path/', modified='deleted',

                          kind=('directory', None), old_path='old')

        self.assertReport('-   path/', versioned_change='removed',

                          old_path='path',

                          kind=(None, 'directory'))

        self.assertReport('-D  path', versioned_change='removed',

                          old_path='path',

                          modified='deleted', kind=('file', 'directory'))

    def test_modification(self):

        self.assertReport(' M  path', modified='modified')

        self.assertReport(' M* path', modified='modified', exe_change=True)

    def test_unversioned(self):

        # by default any unversioned file is output

        self.assertReport('?   subdir/foo~', file_id=None, path='subdir/foo~',

            old_path=None, versioned_change='unversioned',

            renamed=False, modified='created', exe_change=False,

            kind=(None, 'file'))

        # but we can choose to filter these. Probably that should be done 

        # close to the tree, but this is a reasonable starting point.

        self.assertReport(None, file_id=None, path='subdir/foo~',

            old_path=None, versioned_change='unversioned',

            renamed=False, modified='created', exe_change=False,

            kind=(None, 'file'), unversioned_filter=lambda x:True)

    def assertChangesEqual(self,

                           file_id='fid',

                           paths=('path', 'path'),

                           content_change=False,

                           versioned=(True, True),

                           parent_id=('pid', 'pid'),

                           name=('name', 'name'),

                           kind=('file', 'file'),

                           executable=(False, False),

                           versioned_change='unchanged',

                           renamed=False,

                           modified='unchanged',

                           exe_change=False):

        reporter = InstrumentedReporter()

        _mod_delta.report_changes([(file_id, paths, content_change, versioned,

            parent_id, name, kind, executable)], reporter)

        output = reporter.calls[0]

        self.assertEqual(file_id, output[0])

        self.assertEqual(paths, output[1])

        self.assertEqual(versioned_change, output[2])

        self.assertEqual(renamed, output[3])

        self.assertEqual(modified, output[4])

        self.assertEqual(exe_change, output[5])

        self.assertEqual(kind, output[6])

    def test_report_changes(self):

        """Test change detection of report_changes"""

        #Ensure no changes are detected by default

        self.assertChangesEqual(modified='unchanged', renamed=False,

                                versioned_change='unchanged',

                                exe_change=False)

        self.assertChangesEqual(modified='kind changed',

                                kind=('file', 'directory'))

        self.assertChangesEqual(modified='created', kind=(None, 'directory'))

        self.assertChangesEqual(modified='deleted', kind=('directory', None))

        self.assertChangesEqual(content_change=True, modified='modified')

        self.assertChangesEqual(renamed=True, name=('old', 'new'))

        self.assertChangesEqual(renamed=True,

                                parent_id=('old-parent', 'new-parent'))

        self.assertChangesEqual(versioned_change='added',

                                versioned=(False, True))

        self.assertChangesEqual(versioned_change='removed',

                                versioned=(True, False))

        # execute bit is only detected as "changed" if the file is and was

        # a regular file.

        self.assertChangesEqual(exe_change=True, executable=(True, False))

        self.assertChangesEqual(exe_change=False, executable=(True, False),

                                kind=('directory', 'directory'))

        self.assertChangesEqual(exe_change=False, modified='kind changed',

                                executable=(False, True),

                                kind=('directory', 'file'))

        self.assertChangesEqual(parent_id=('pid', None))

        # Now make sure they all work together

        self.assertChangesEqual(versioned_change='removed',

                                modified='deleted', versioned=(True, False),

                                kind=('directory', None))

        self.assertChangesEqual(versioned_change='removed',

                                modified='created', versioned=(True, False),

                                kind=(None, 'file'))

        self.assertChangesEqual(versioned_change='removed',

                                modified='modified', renamed=True,

                                exe_change=True, versioned=(True, False),

                                content_change=True, name=('old', 'new'),

                                executable=(False, True))

    def test_report_unversioned(self):

        """Unversioned entries are reported well."""

        self.assertChangesEqual(file_id=None, paths=(None, 'full/path'),

                           content_change=True,

                           versioned=(False, False),

                           parent_id=(None, None),

                           name=(None, 'path'),

                           kind=(None, 'file'),

                           executable=(None, False),

                           versioned_change='unversioned',

                           renamed=False,

                           modified='created',

                           exe_change=False)

class TestChangesFrom (tests.TestCaseWithTransport):

    def show_string(self, delta, *args,  **kwargs):

        to_file = StringIO()

        delta.show(to_file, *args, **kwargs)

        return to_file.getvalue()

    def test_kind_change(self):

        """Doing a status when a file has changed kind should work"""

        tree = self.make_branch_and_tree('.')

        self.build_tree(['filename'])

        tree.add('filename', 'file-id')

        tree.commit('added filename')

        os.unlink('filename')

        self.build_tree(['filename/'])

        delta = tree.changes_from(tree.basis_tree())

        self.assertEqual([('filename', 'file-id', 'file', 'directory')],

                         delta.kind_changed)

        self.assertEqual([], delta.added)

        self.assertEqual([], delta.removed)

        self.assertEqual([], delta.renamed)

        self.assertEqual([], delta.modified)

        self.assertEqual([], delta.unchanged)

        self.assertTrue(delta.has_changed())

        self.assertTrue(delta.touches_file_id('file-id'))

        self.assertEqual('kind changed:\n  filename (file => directory)\n',

                         self.show_string(delta))

        other_delta = _mod_delta.TreeDelta()

        self.assertNotEqual(other_delta, delta)

        other_delta.kind_changed = [('filename', 'file-id', 'file',

                                     'symlink')]

        self.assertNotEqual(other_delta, delta)

        other_delta.kind_changed = [('filename', 'file-id', 'file',

                                     'directory')]

        self.assertEqual(other_delta, delta)

        self.assertEqualDiff("TreeDelta(added=[], removed=[], renamed=[],"

            " kind_changed=[(u'filename', 'file-id', 'file', 'directory')],"

            " modified=[], unchanged=[], unversioned=[])", repr(delta))

        self.assertEqual('K  filename (file => directory) file-id\n',

                         self.show_string(delta, show_ids=True,

                         short_status=True))

        tree.rename_one('filename', 'dirname')

        delta = tree.changes_from(tree.basis_tree())

        self.assertEqual([], delta.kind_changed)

        # This loses the fact that kind changed, remembering it as a

        # modification

        self.assertEqual([('filename', 'dirname', 'file-id', 'directory',

                           True, False)], delta.renamed)

        self.assertTrue(delta.has_changed())

        self.assertTrue(delta.touches_file_id('file-id'))