def test_diff_at_end(self):
fwd = helper.fixture("diff-end.txt")
reverse = helper.fixture("diff-end-reverse.txt")
source = DiffSource(fwd, reverse)
model = DiffParseModel()
parser = DiffParser(model, filename="", cached=False, reverse=False, diff_source=source)
self.assertEqual(parser.diffs()[0][0], "@@ -1,39 +1 @@")
self.assertEqual(parser.offsets(), [1114])
self.assertEqual(parser.spans(), [[0, 1114]])
self.assertEqual(parser.ranges()[0].begin, [1, 39])
self.assertEqual(parser.ranges()[0].end, [1, 1])
self.assertEqual(parser.ranges()[0].make(), "@@ -1,39 +1 @@")
def test_diff_at_start(self):
fwd = helper.fixture("diff-start.txt")
reverse = helper.fixture("diff-start-reverse.txt")
source = DiffSource(fwd, reverse)
model = DiffParseModel()
parser = DiffParser(model, filename="", cached=False, reverse=False, diff_source=source)
self.assertEqual(parser.diffs()[0][0], "@@ -1 +1,4 @@")
self.assertEqual(parser.offsets(), [30])
self.assertEqual(parser.spans(), [[0, 30]])
self.assertEqual(parser.diffs_for_range(0, 10), ([u"@@ -1 +1,4 @@\n bar\n+a\n+b\n+c\n\n"], [0]))
self.assertEqual(parser.ranges()[0].begin, [1, 1])
self.assertEqual(parser.ranges()[0].end, [1, 4])
self.assertEqual(parser.ranges()[0].make(), "@@ -1 +1,4 @@")
def test_diff_that_empties_file(self):
fwd = helper.fixture("diff-empty.txt")
reverse = helper.fixture("diff-empty-reverse.txt")
source = DiffSource(fwd, reverse)
model = DiffParseModel()
parser = DiffParser(model, filename="", cached=False, reverse=False, diff_source=source)
self.assertEqual(parser.diffs()[0][0], "@@ -1,2 +0,0 @@")
self.assertEqual(parser.offsets(), [33])
self.assertEqual(parser.spans(), [[0, 33]])
self.assertEqual(parser.diffs_for_range(0, 1), ([u"@@ -1,2 +0,0 @@\n-first\n-second\n\n"], [0]))
self.assertEqual(parser.ranges()[0].begin, [1, 2])
self.assertEqual(parser.ranges()[0].end, [0, 0])
self.assertEqual(parser.ranges()[0].make(), "@@ -1,2 +0,0 @@")
def test_diff_at_end(self):
fwd = helper.fixture('diff-end.txt')
reverse = helper.fixture('diff-end-reverse.txt')
source = DiffSource(fwd, reverse)
model = DiffParseModel()
parser = DiffParser(model, filename='',
cached=False, reverse=False,
diff_source=source)
self.assertEqual(parser.diffs()[0][0], '@@ -1,39 +1 @@')
self.assertEqual(parser.offsets(), [1114])
self.assertEqual(parser.spans(), [[0, 1114]])
self.assertEqual(parser.ranges()[0].begin, [1, 39])
self.assertEqual(parser.ranges()[0].end, [1, 1])
self.assertEqual(parser.ranges()[0].make(), '@@ -1,39 +1 @@')
def test_diff_at_start(self):
fwd = helper.fixture('diff-start.txt')
reverse = helper.fixture('diff-start-reverse.txt')
source = DiffSource(fwd, reverse)
model = DiffParseModel()
parser = DiffParser(model, filename='',
cached=False, reverse=False,
diff_source=source)
self.assertEqual(parser.diffs()[0][0], '@@ -1 +1,4 @@')
self.assertEqual(parser.offsets(), [30])
self.assertEqual(parser.spans(), [[0, 30]])
self.assertEqual(parser.diffs_for_range(0, 10),
(['@@ -1 +1,4 @@\n bar\n+a\n+b\n+c\n\n'],
[0]))
self.assertEqual(parser.ranges()[0].begin, [1, 1])
self.assertEqual(parser.ranges()[0].end, [1, 4])
self.assertEqual(parser.ranges()[0].make(), '@@ -1 +1,4 @@')
def test_diff_that_empties_file(self):
fwd = helper.fixture('diff-empty.txt')
reverse = helper.fixture('diff-empty-reverse.txt')
source = DiffSource(fwd, reverse)
model = DiffParseModel()
parser = DiffParser(model, filename='',
cached=False, reverse=False,
diff_source=source)
self.assertEqual(parser.diffs()[0][0], '@@ -1,2 +0,0 @@')
self.assertEqual(parser.offsets(), [33])
self.assertEqual(parser.spans(), [[0, 33]])
self.assertEqual(parser.diffs_for_range(0, 1),
(['@@ -1,2 +0,0 @@\n-first\n-second\n\n'],
[0]))
self.assertEqual(parser.ranges()[0].begin, [1, 2])
self.assertEqual(parser.ranges()[0].end, [0, 0])
self.assertEqual(parser.ranges()[0].make(), '@@ -1,2 +0,0 @@')
