/b-gtk/fix-viz

# -*- coding: utf-8 -*-

# Copyright (C) 2007 Adeodato Simó <dato@net.com.org.es>

#

# 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

from cStringIO import StringIO

import os

from bzrlib import (

    conflicts,

    errors,

    tests,

    )

try:

    from bzrlib.tests.features import UnicodeFilenameFeature

except ImportError: # bzr < 2.5

    from bzrlib.tests import UnicodeFilenameFeature

from bzrlib.merge_directive import MergeDirective2

from bzrlib.plugins.gtk.diff import (

    DiffController,

    DiffView,

    DiffWidget,

    iter_changes_to_status,

    MergeDirectiveController,

    )

from bzrlib.plugins.gtk.tests import MockMethod

eg_diff = """\

=== modified file 'tests/test_diff.py'

--- tests/test_diff.py	2008-03-11 13:18:28 +0000

+++ tests/test_diff.py	2008-05-08 22:44:02 +0000

@@ -20,7 +20,11 @@

 from bzrlib import tests

-from bzrlib.plugins.gtk.diff import DiffView, iter_changes_to_status

+from bzrlib.plugins.gtk.diff import (

+    DiffController,

+    DiffView,

+    iter_changes_to_status,

+    )

 class TestDiffViewSimple(tests.TestCase):

"""

class TestDiffViewSimple(tests.TestCase):

    def test_parse_colordiffrc(self):

        colordiffrc = '''\

newtext=blue

oldtext = Red

# now a comment and a blank line

diffstuff = #ffff00  

  # another comment preceded by whitespace

'''

        colors = {

                'newtext': 'blue',

                'oldtext': 'Red',

                'diffstuff': '#ffff00',

        }

        parsed_colors = DiffView.parse_colordiffrc(StringIO(colordiffrc))

        self.assertEqual(colors, parsed_colors)

class TestDiffView(tests.TestCaseWithTransport):

    def test_unicode(self):

        self.requireFeature(UnicodeFilenameFeature)

        tree = self.make_branch_and_tree('tree')

        self.build_tree([u'tree/\u03a9'])

        tree.add([u'\u03a9'], ['omega-id'])

        view = DiffView()

        view.set_trees(tree, tree.basis_tree())

        view.show_diff(None)

        buf = view.buffer

        start, end = buf.get_bounds()

        text = buf.get_text(start, end, True)

        self.assertContainsRe(text,

            "=== added file '\xce\xa9'\n"

            '--- .*\t1970-01-01 00:00:00 \\+0000\n'

            r'\+\+\+ .*\t\d\d\d\d-\d\d-\d\d \d\d:\d\d:\d\d [+-]\d\d\d\d\n'

            '@@ -0,0 \\+1,1 @@\n'

            '\\+contents of tree/\xce\xa9\n'

            '\n'

            )

class FakeDiffWidget(DiffWidget):

    SHOW_WIDGETS = False

class TestDiffWidget(tests.TestCaseWithTransport):

    def test_treeview_cursor_cbd_with_destroyed_treeview(self):

        widget = FakeDiffWidget()

        widget.set_diff_text_sections([('a', None, 'patch')])

        MockMethod.bind(self, widget.diff_view, 'show_diff')

        widget.treeview.destroy()

        widget._treeview_cursor_cb(None)

        self.assertFalse(widget.diff_view.show_diff.called)

class MockDiffWidget(object):

    def set_diff_text_sections(self, sections):

        self.sections = list(sections)

class MockWindow(object):

    def __init__(self):

        self.diff = MockDiffWidget()

        self.merge_successful = False

    def set_title(self, title):

        self.title = title

    def _get_save_path(self, basename):

        return 'save-path'

    def _get_merge_target(self):

        return 'this'

    def destroy(self):

        pass

    def _merge_successful(self):

        self.merge_successful = True

    def _conflicts(self):

        self.conflicts = True

    def _handle_error(self, e):

        self.handled_error = e

class TestDiffController(tests.TestCaseWithTransport):

    def get_controller(self):

        window = MockWindow()

        return DiffController('load-path', eg_diff.splitlines(True), window)

    def test_get_diff_sections(self):

        controller = self.get_controller()

        controller = DiffController('.', eg_diff.splitlines(True),

                                    controller.window)

        sections = list(controller.get_diff_sections())

        self.assertEqual('Complete Diff', sections[0][0])

        self.assertIs(None, sections[0][1])

        self.assertEqual(eg_diff, sections[0][2])

        self.assertEqual('tests/test_diff.py', sections[1][0])

        self.assertEqual('tests/test_diff.py', sections[1][1])

        self.assertEqual(''.join(eg_diff.splitlines(True)[1:]),

                         sections[1][2])

    def test_initialize_window(self):

        controller = self.get_controller()

        controller.initialize_window(controller.window)

        self.assertEqual(2, len(controller.window.diff.sections))

        self.assertEqual('load-path - diff', controller.window.title)

    def test_perform_save(self):

        self.build_tree_contents([('load-path', 'foo')])

        controller = self.get_controller()

        controller.perform_save(None)

        self.assertFileEqual('foo', 'save-path')

class TestMergeDirectiveController(tests.TestCaseWithTransport):

    def make_this_other_directive(self):

        this = self.make_branch_and_tree('this')

        this.commit('first commit')

        other = this.bzrdir.sprout('other').open_workingtree()

        self.build_tree_contents([('other/foo', 'bar')])

        other.add('foo')

        other.commit('second commit')

        other.lock_write()

        try:

            directive = MergeDirective2.from_objects(other.branch.repository,

                                                     other.last_revision(), 0,

                                                     0, 'this')

        finally:

            other.unlock()

        return this, other, directive

    def make_merged_window(self, directive):

        window = MockWindow()

        controller = MergeDirectiveController('directive', directive, window)

        controller.perform_merge(window)

        return window

    def test_perform_merge_success(self):

        this, other, directive = self.make_this_other_directive()

        window = self.make_merged_window(directive)

        self.assertTrue(window.merge_successful)

        self.assertEqual(other.last_revision(), this.get_parent_ids()[1])

        self.assertFileEqual('bar', 'this/foo')

    def test_perform_merge_conflicts(self):

        this, other, directive = self.make_this_other_directive()

        self.build_tree_contents([('this/foo', 'bar')])

        this.add('foo')

        this.commit('message')

        window = self.make_merged_window(directive)

        self.assertFalse(window.merge_successful)

        self.assertTrue(window.conflicts)

        self.assertEqual(other.last_revision(), this.get_parent_ids()[1])

        self.assertFileEqual('bar', 'this/foo')

    def test_perform_merge_uncommitted_changes(self):

        this, other, directive = self.make_this_other_directive()

        self.build_tree_contents([('this/foo', 'bar')])

        this.add('foo')

        window = self.make_merged_window(directive)

        self.assertIsInstance(window.handled_error, errors.UncommittedChanges)

class Test_IterChangesToStatus(tests.TestCaseWithTransport):

    def assertStatusEqual(self, expected, tree):

        values = iter_changes_to_status(tree.basis_tree(), tree)

        self.assertEqual(expected, values)

    def test_status_added(self):

        tree = self.make_branch_and_tree('tree')

        self.build_tree(['tree/a', 'tree/b/', 'tree/b/c'])

        tree.add(['a', 'b', 'b/c'], ['a-id', 'b-id', 'c-id'])

        self.assertStatusEqual(

            [('a-id', 'a', 'added', 'a'),

             ('b-id', 'b', 'added', 'b/'),

             ('c-id', 'b/c', 'added', 'b/c'),

            ], tree)

    def test_status_renamed(self):

        tree = self.make_branch_and_tree('tree')

        self.build_tree(['tree/a', 'tree/b/', 'tree/b/c'])

        tree.add(['a', 'b', 'b/c'], ['a-id', 'b-id', 'c-id'])

        rev_id1 = tree.commit('one')

        tree.rename_one('b', 'd')

        tree.rename_one('a', 'd/a')

        self.assertStatusEqual(

            [('b-id', 'd', 'renamed', 'b/ => d/'),

             ('a-id', 'd/a', 'renamed', 'a => d/a'),

            ], tree)

    def test_status_modified(self):

        tree = self.make_branch_and_tree('tree')

        self.build_tree(['tree/a'])

        tree.add(['a'], ['a-id'])

        rev_id1 = tree.commit('one')

        self.build_tree_contents([('tree/a', 'new contents for a\n')])

        self.assertStatusEqual(

            [('a-id', 'a', 'modified', 'a'),

            ], tree)

    def test_status_renamed_and_modified(self):

        tree = self.make_branch_and_tree('tree')

        self.build_tree(['tree/a', 'tree/b/', 'tree/b/c'])

        tree.add(['a', 'b', 'b/c'], ['a-id', 'b-id', 'c-id'])

        rev_id1 = tree.commit('one')

        tree.rename_one('b', 'd')

        tree.rename_one('a', 'd/a')

        self.build_tree_contents([('tree/d/a', 'new contents for a\n'),

                                  ('tree/d/c', 'new contents for c\n'),

                                 ])

        # 'c' is not considered renamed, because only its parent was moved, it

        # stayed in the same directory

        self.assertStatusEqual(

            [('b-id', 'd', 'renamed', 'b/ => d/'),

             ('a-id', 'd/a', 'renamed and modified', 'a => d/a'),

             ('c-id', 'd/c', 'modified', 'd/c'),

            ], tree)

    def test_status_kind_changed(self):

        tree = self.make_branch_and_tree('tree')

        self.build_tree(['tree/a', 'tree/b'])

        tree.add(['a', 'b'], ['a-id', 'b-id'])

        tree.commit('one')

        os.remove('tree/a')

        self.build_tree(['tree/a/'])

        # XXX:  This is technically valid, and the file list handles it fine,

        #       but 'show_diff_trees()' does not, so we skip this part of the

        #       test for now.

        # tree.rename_one('b', 'c')

        # os.remove('tree/c')

        # self.build_tree(['tree/c/'])

        self.assertStatusEqual(

            [('a-id', 'a', 'kind changed', 'a => a/'),

            # ('b-id', 'c', True, 'b => c/', 'renamed and modified'),

            ], tree)

    def test_status_removed(self):

        tree = self.make_branch_and_tree('tree')

        self.build_tree(['tree/a', 'tree/b/'])

        tree.add(['a', 'b'], ['a-id', 'b-id'])

        tree.commit('one')

        os.remove('tree/a')

        tree.remove('b', force=True)

        self.assertStatusEqual(

            [('a-id', 'a', 'removed', 'a'),

             ('b-id', 'b', 'removed', 'b/'),

            ], tree)

    def test_status_missing_file(self):

        this = self.make_branch_and_tree('this')

        self.build_tree(['this/foo'])

        this.add(['foo'], ['foo-id'])

        this.commit('add')

        other = this.bzrdir.sprout('other').open_workingtree()

        os.remove('this/foo')

        this.remove('foo', force=True)

        this.commit('remove')

        f = open('other/foo', 'wt')

        try:

            f.write('Modified\n')

        finally:

            f.close()

        other.commit('modified')

        this.merge_from_branch(other.branch)

        conflicts.resolve(this)

        self.assertStatusEqual(

            [('foo-id', 'foo.OTHER', 'missing', 'foo.OTHER'),],

            this)

    def test_status_missing_directory(self):

        this = self.make_branch_and_tree('this')

        self.build_tree(['this/foo/', 'this/foo/bar'])

        this.add(['foo', 'foo/bar'], ['foo-id', 'bar-id'])

        this.commit('add')

        other = this.bzrdir.sprout('other').open_workingtree()

        os.remove('this/foo/bar')

        os.rmdir('this/foo')

        this.remove('foo', force=True)

        this.commit('remove')

        f = open('other/foo/bar', 'wt')

        try:

            f.write('Modified\n')

        finally:

            f.close()

        other.commit('modified')

        this.merge_from_branch(other.branch)

        conflicts.resolve(this)

        self.assertStatusEqual(

            [('foo-id', u'foo', 'added', u'foo/'),

             ('bar-id', u'foo/bar.OTHER', 'missing', u'foo/bar.OTHER'),],

            this)