def test_extract_delete_chunk(self):
a = ast.parse("""
print a
print b
def foo():
if c > b :
print b
print c
print d
print e
print f
""")
b = ast.parse("""
print a
print b
def foo():
if c > b :
print c
print d
print e
""")
diff_tree = diffast.diff(a, b)
diffast.diff2html(diff_tree)
contexts = diffast.extract_chunks(diff_tree)
self.assertEquals(len(contexts), 2)
def test_extract_multiple_delete_chunk(self):
a = ast.parse("""
print a
print b
if c > b :
print b
print c
print d
print e
if a > b :
print a
""")
b = ast.parse("""
print a
if c > b :
print b
print c
if a > b :
print b
""")
diff_tree = diffast.diff(a, b)
diffast.diff2html(diff_tree)
contexts = diffast.extract_chunks(diff_tree)
self.assertEquals(len(contexts), 3)
def _get_chunks(self, a, b):
a = ast.parse(a)
b = ast.parse(b)
diff_tree = diffast.diff(a, b)
chunks = diffast.extract_chunks(diff_tree)
for chunk in chunks:
print '*'
print chunk
print '*'
return chunks, diff_tree.before, diff_tree.after
def test_539508_nova_virt_ironic_driver(self):
with open(os.path.join("change_539508", "before_driver.py"), "r") as f:
self.faulty_tree = ast.parse(f.read())
with open(os.path.join("change_539508", "after_driver.py"), "r") as f:
self.fixed_tree = ast.parse(f.read())
diff_tree = diffast.diff(self.faulty_tree, self.fixed_tree)
diffast.diff2html(diff_tree)
chunks = diffast.extract_chunks(diff_tree)
self.assertEquals(len(chunks), 1)
def test_contexts_kolla_client(self):
with open(os.path.join("change_566719", "before_client.py"), "r") as f:
self.faulty_tree = ast.parse(f.read())
with open(os.path.join("change_566719", "after_client.py"), "r") as f:
self.fixed_tree = ast.parse(f.read())
diff_tree = diffast.diff(self.faulty_tree, self.fixed_tree)
diffast.diff2html(diff_tree)
chunks = diffast.extract_chunks(diff_tree)
self.assertEquals(len(chunks), 3)
def test_contexts_notifier(self):
with open(os.path.join("change_569845", "before_notifier.py"), "r") as f:
self.faulty_tree = ast.parse(f.read())
with open(os.path.join("change_569845", "after_notifier.py"), "r") as f:
self.fixed_tree = ast.parse(f.read())
diff_tree = diffast.diff(self.faulty_tree, self.fixed_tree)
diffast.diff2html(diff_tree)
chunks = diffast.extract_chunks(diff_tree)
self.assertEquals(len(chunks), 4)
def test_extract_modified_chunk(self):
a = ast.parse("""
print a
""")
b = ast.parse("""
print b
""")
diff_tree = diffast.diff(a, b)
diffast.diff2html(diff_tree)
chunks = diffast.extract_chunks(diff_tree)
for chunk in chunks:
print chunk
def test_extract_ctx(self):
a = ast.parse("""
curr.get()
""")
b = ast.parse("""
current.get()
""")
diff_tree = diffast.diff(a, b)
diffast.diff2html(diff_tree)
chunks = diffast.extract_chunks(diff_tree)
for chunk in chunks:
print chunk
def test_567271_nova_compute_resource_tracker(self):
with open(os.path.join("change_567271", "before_resource_tracker.py"), "r") as f:
self.faulty_tree = ast.parse(f.read())
with open(os.path.join("change_567271", "after_resource_tracker.py"), "r") as f:
self.fixed_tree = ast.parse(f.read())
diff_tree = diffast.diff(self.faulty_tree, self.fixed_tree)
diffast.diff2html(diff_tree)
chunks = diffast.extract_chunks(diff_tree)
for c in chunks:
print c
self.assertEquals(len(chunks), 1)
def test_extract_insert_chunk(self):
a = ast.parse("""
print a
print b
def foo():
if c > b :
print c
print d
print e
""")
b = ast.parse("""
print a
print b
def foo():
if c > b :
print b
print c
print d
print e
print f
""")
diff_tree = diffast.diff(a, b)
chunks = diffast.extract_chunks(diff_tree)
self.assertEquals(len(chunks), 2)