GitPython/git/test/test_diff.py at 0.3.6 · githubdelegate/GitPython · GitHub

Repository navigation

History

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

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

# test_diff.py

# This module is part of GitPython and is released under

# the BSD License: http://www.opensource.org/licenses/bsd-license.php

from git.test.lib import (

TestBase,

StringProcessAdapter,

fixture,

assert_equal,

assert_true,

)

from git import (

Diff,

DiffIndex

)

class TestDiff(TestBase):

def _assert_diff_format(self, diffs):

# verify that the format of the diff is sane

for diff in diffs:

if diff.a_mode:

assert isinstance(diff.a_mode, int)

if diff.b_mode:

assert isinstance(diff.b_mode, int)

if diff.a_blob:

assert not diff.a_blob.path.endswith('\n')

if diff.b_blob:

assert not diff.b_blob.path.endswith('\n')

# END for each diff

return diffs

def test_list_from_string_new_mode(self):

output = StringProcessAdapter(fixture('diff_new_mode'))

diffs = Diff._index_from_patch_format(self.rorepo, output.stdout)

self._assert_diff_format(diffs)

assert_equal(1, len(diffs))

assert_equal(10, len(diffs[0].diff.splitlines()))

def test_diff_with_rename(self):

output = StringProcessAdapter(fixture('diff_rename'))

diffs = Diff._index_from_patch_format(self.rorepo, output.stdout)

self._assert_diff_format(diffs)

assert_equal(1, len(diffs))

diff = diffs[0]

assert_true(diff.renamed)

assert_equal(diff.rename_from, u'Jérôme')

assert_equal(diff.rename_to, u'müller')

assert isinstance(str(diff), str)

output = StringProcessAdapter(fixture('diff_rename_raw'))

diffs = Diff._index_from_raw_format(self.rorepo, output.stdout)

assert len(diffs) == 1

diff = diffs[0]

assert diff.renamed

assert diff.rename_from == 'this'

assert diff.rename_to == 'that'

assert len(list(diffs.iter_change_type('R'))) == 1

def test_binary_diff(self):

for method, file_name in ((Diff._index_from_patch_format, 'diff_patch_binary'),

(Diff._index_from_raw_format, 'diff_raw_binary')):

res = method(None, StringProcessAdapter(fixture(file_name)).stdout)

assert len(res) == 1

assert len(list(res.iter_change_type('M'))) == 1

if res[0].diff:

assert res[0].diff == b"Binary files a/rps and b/rps differ\n", "in patch mode, we get a diff text"

assert str(res[0]), "This call should just work"

# end for each method to test

def test_diff_index(self):

output = StringProcessAdapter(fixture('diff_index_patch'))

res = Diff._index_from_patch_format(None, output.stdout)

assert len(res) == 6

for dr in res:

assert dr.diff

assert str(dr), "Diff to string conversion should be possible"

# end for each diff

dr = res[3]

assert dr.diff.endswith(b"+Binary files a/rps and b/rps differ\n")

def test_diff_patch_format(self):

# test all of the 'old' format diffs for completness - it should at least

# be able to deal with it

fixtures = ("diff_2", "diff_2f", "diff_f", "diff_i", "diff_mode_only",

"diff_new_mode", "diff_numstat", "diff_p", "diff_rename",

"diff_tree_numstat_root")

for fixture_name in fixtures:

diff_proc = StringProcessAdapter(fixture(fixture_name))

Diff._index_from_patch_format(self.rorepo, diff_proc.stdout)

# END for each fixture

def test_diff_interface(self):

# test a few variations of the main diff routine

assertion_map = dict()

for i, commit in enumerate(self.rorepo.iter_commits('0.1.6', max_count=2)):

diff_item = commit

if i % 2 == 0:

diff_item = commit.tree

# END use tree every second item

for other in (None, commit.Index, commit.parents[0]):

for paths in (None, "CHANGES", ("CHANGES", "lib")):

for create_patch in range(2):

diff_index = diff_item.diff(other=other, paths=paths, create_patch=create_patch)

assert isinstance(diff_index, DiffIndex)

if diff_index:

self._assert_diff_format(diff_index)

for ct in DiffIndex.change_type:

key = 'ct_%s' % ct

assertion_map.setdefault(key, 0)

assertion_map[key] = assertion_map[key] + len(list(diff_index.iter_change_type(ct)))

# END for each changetype

# check entries

diff_set = set()

diff_set.add(diff_index[0])

assert len(diff_set) == 1

assert diff_index[0] == diff_index[0]

assert not (diff_index[0] != diff_index[0])

for dr in diff_index:

assert str(dr), "Diff to string conversion should be possible"

# END diff index checking

# END for each patch option

# END for each path option

# END for each other side

# END for each commit

# assert we could always find at least one instance of the members we

# can iterate in the diff index - if not this indicates its not working correctly

# or our test does not span the whole range of possibilities

for key, value in assertion_map.items():

assert value, "Did not find diff for %s" % key

# END for each iteration type

# test path not existing in the index - should be ignored

c = self.rorepo.head.commit

cp = c.parents[0]

diff_index = c.diff(cp, ["does/not/exist"])

assert len(diff_index) == 0

GitPython/git/test/test_diff.py at 0.3.6 · githubdelegate/GitPython · GitHub

Repository navigation

Expand file tree

Breadcrumbs

test_diff.py

Latest commit

History

Breadcrumbs

test_diff.py

File metadata and controls