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# 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'))
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