def test_index_file_diffing(self, rw_repo):
# default Index instance points to our index
index = IndexFile(rw_repo)
assert index.path is not None
assert len(index.entries)
# write the file back
index.write()
# could sha it, or check stats
# test diff
# resetting the head will leave the index in a different state, and the
# diff will yield a few changes
cur_head_commit = rw_repo.head.reference.commit
rw_repo.head.reset('HEAD~6', index=True, working_tree=False)
# diff against same index is 0
diff = index.diff()
self.assertEqual(len(diff), 0)
# against HEAD as string, must be the same as it matches index
diff = index.diff('HEAD')
self.assertEqual(len(diff), 0)
# against previous head, there must be a difference
diff = index.diff(cur_head_commit)
assert len(diff)
# we reverse the result
adiff = index.diff(str(cur_head_commit), R=True)
odiff = index.diff(cur_head_commit, R=False) # now its not reversed anymore
assert adiff != odiff
self.assertEqual(odiff, diff) # both unreversed diffs against HEAD
# against working copy - its still at cur_commit
wdiff = index.diff(None)
assert wdiff != adiff
assert wdiff != odiff
# against something unusual
self.failUnlessRaises(ValueError, index.diff, int)
# adjust the index to match an old revision
cur_branch = rw_repo.active_branch
cur_commit = cur_branch.commit
rev_head_parent = 'HEAD~1'
assert index.reset(rev_head_parent) is index
self.assertEqual(cur_branch, rw_repo.active_branch)
self.assertEqual(cur_commit, rw_repo.head.commit)
# there must be differences towards the working tree which is in the 'future'
assert index.diff(None)
# reset the working copy as well to current head,to pull 'back' as well
new_data = b"will be reverted"
file_path = osp.join(rw_repo.working_tree_dir, "CHANGES")
with open(file_path, "wb") as fp:
fp.write(new_data)
index.reset(rev_head_parent, working_tree=True)
assert not index.diff(None)
self.assertEqual(cur_branch, rw_repo.active_branch)
self.assertEqual(cur_commit, rw_repo.head.commit)
with open(file_path, 'rb') as fp:
assert fp.read() != new_data
# test full checkout
test_file = osp.join(rw_repo.working_tree_dir, "CHANGES")
with open(test_file, 'ab') as fd:
fd.write(b"some data")
rval = index.checkout(None, force=True, fprogress=self._fprogress)
assert 'CHANGES' in list(rval)
self._assert_fprogress([None])
assert osp.isfile(test_file)
os.remove(test_file)
rval = index.checkout(None, force=False, fprogress=self._fprogress)
assert 'CHANGES' in list(rval)
self._assert_fprogress([None])
assert osp.isfile(test_file)
# individual file
os.remove(test_file)
rval = index.checkout(test_file, fprogress=self._fprogress)
self.assertEqual(list(rval)[0], 'CHANGES')
self._assert_fprogress([test_file])
assert osp.exists(test_file)
# checking out non-existing file throws
self.failUnlessRaises(CheckoutError, index.checkout, "doesnt_exist_ever.txt.that")
self.failUnlessRaises(CheckoutError, index.checkout, paths=["doesnt/exist"])
# checkout file with modifications
append_data = b"hello"
with open(test_file, "ab") as fp:
fp.write(append_data)
try:
index.checkout(test_file)
except CheckoutError as e:
self.assertEqual(len(e.failed_files), 1)
self.assertEqual(e.failed_files[0], osp.basename(test_file))
self.assertEqual(len(e.failed_files), len(e.failed_reasons))
self.assertIsInstance(e.failed_reasons[0], string_types)
self.assertEqual(len(e.valid_files), 0)
with open(test_file, 'rb') as fd:
s = fd.read()
self.assertTrue(s.endswith(append_data), s)
else:
raise AssertionError("Exception CheckoutError not thrown")
# if we force it it should work
index.checkout(test_file, force=True)
assert not open(test_file, 'rb').read().endswith(append_data)
# checkout directory
rmtree(osp.join(rw_repo.working_tree_dir, "lib"))
rval = index.checkout('lib')
assert len(list(rval)) > 1
def test_index_file_diffing(self, rw_repo):
# default Index instance points to our index
index = IndexFile(rw_repo)
assert index.path is not None
assert len(index.entries)
# write the file back
index.write()
# could sha it, or check stats
# test diff
# resetting the head will leave the index in a different state, and the
# diff will yield a few changes
cur_head_commit = rw_repo.head.reference.commit
rw_repo.head.reset('HEAD~6', index=True, working_tree=False)
# diff against same index is 0
diff = index.diff()
self.assertEqual(len(diff), 0)
# against HEAD as string, must be the same as it matches index
diff = index.diff('HEAD')
self.assertEqual(len(diff), 0)
# against previous head, there must be a difference
diff = index.diff(cur_head_commit)
assert len(diff)
# we reverse the result
adiff = index.diff(str(cur_head_commit), R=True)
odiff = index.diff(cur_head_commit,
R=False) # now its not reversed anymore
assert adiff != odiff
self.assertEqual(odiff, diff) # both unreversed diffs against HEAD
# against working copy - its still at cur_commit
wdiff = index.diff(None)
assert wdiff != adiff
assert wdiff != odiff
# against something unusual
self.failUnlessRaises(ValueError, index.diff, int)
# adjust the index to match an old revision
cur_branch = rw_repo.active_branch
cur_commit = cur_branch.commit
rev_head_parent = 'HEAD~1'
assert index.reset(rev_head_parent) is index
self.assertEqual(cur_branch, rw_repo.active_branch)
self.assertEqual(cur_commit, rw_repo.head.commit)
# there must be differences towards the working tree which is in the 'future'
assert index.diff(None)
# reset the working copy as well to current head,to pull 'back' as well
new_data = b"will be reverted"
file_path = osp.join(rw_repo.working_tree_dir, "CHANGES")
with open(file_path, "wb") as fp:
fp.write(new_data)
index.reset(rev_head_parent, working_tree=True)
assert not index.diff(None)
self.assertEqual(cur_branch, rw_repo.active_branch)
self.assertEqual(cur_commit, rw_repo.head.commit)
with open(file_path, 'rb') as fp:
assert fp.read() != new_data
# test full checkout
test_file = osp.join(rw_repo.working_tree_dir, "CHANGES")
with open(test_file, 'ab') as fd:
fd.write(b"some data")
rval = index.checkout(None, force=True, fprogress=self._fprogress)
assert 'CHANGES' in list(rval)
self._assert_fprogress([None])
assert osp.isfile(test_file)
os.remove(test_file)
rval = index.checkout(None, force=False, fprogress=self._fprogress)
assert 'CHANGES' in list(rval)
self._assert_fprogress([None])
assert osp.isfile(test_file)
# individual file
os.remove(test_file)
rval = index.checkout(test_file, fprogress=self._fprogress)
self.assertEqual(list(rval)[0], 'CHANGES')
self._assert_fprogress([test_file])
assert osp.exists(test_file)
# checking out non-existing file throws
self.failUnlessRaises(CheckoutError, index.checkout,
"doesnt_exist_ever.txt.that")
self.failUnlessRaises(CheckoutError,
index.checkout,
paths=["doesnt/exist"])
# checkout file with modifications
append_data = b"hello"
with open(test_file, "ab") as fp:
fp.write(append_data)
try:
index.checkout(test_file)
except CheckoutError as e:
self.assertEqual(len(e.failed_files), 1)
self.assertEqual(e.failed_files[0], osp.basename(test_file))
self.assertEqual(len(e.failed_files), len(e.failed_reasons))
self.assertIsInstance(e.failed_reasons[0], string_types)
self.assertEqual(len(e.valid_files), 0)
with open(test_file, 'rb') as fd:
s = fd.read()
self.assertTrue(s.endswith(append_data), s)
else:
raise AssertionError("Exception CheckoutError not thrown")
# if we force it it should work
index.checkout(test_file, force=True)
assert not open(test_file, 'rb').read().endswith(append_data)
# checkout directory
rmtree(osp.join(rw_repo.working_tree_dir, "lib"))
rval = index.checkout('lib')
assert len(list(rval)) > 1
