def test_get_mutated_line(tmp_path):
# Arrange
file = tmp_path / "sf.txt"
file.write_text("yeah\ngood", encoding="utf-8")
sf = SourceFile(file)
mutation = Mutation(None, None, None, None)
# Act
mutated_line = mutation._get_mutated_line(6, sf.file.read_text(encoding="utf-8"))
# Assert
assert mutated_line == (1, "good")
def _mutate_assignment(mutate_dict: dict, source_file: SolidityFile,
project_directory: Path):
interesting_locs = source_file.get_assignments()
for original_operator, src in interesting_locs:
if original_operator not in mutate_dict.keys():
continue
yield Mutation(src, source_file, mutate_dict[original_operator],
project_directory)
def _mutate_binary_op(mutate_dict: dict, source_file: SolidityFile,
project_directory: Path):
interesting_locs = list(source_file.get_binary_op_locations())
for original_operator, src in interesting_locs:
if original_operator not in mutate_dict.keys():
continue
yield Mutation(src, source_file, mutate_dict[original_operator],
project_directory)
def test_repr(tmp_path):
# Arrange
file = tmp_path / "sf.txt"
file.write_text("yeah\ngood", encoding="utf-8")
sf = SourceFile(file)
mutation = Mutation((6, 1, 0), sf, "b", tmp_path)
mutation.result = MutationResult.LIVED
# Act
repr_ = str(mutation)
print(repr_)
# Assert
assert repr_ == \
"Mutation:\n"\
" File: " + str(file) + "\n" \
" Line nr: 1\n" \
" Result: Lived\n" \
" Original line:\n" \
" good\n" \
" Mutated line:\n" \
" gbod"
def test_relative_path(tmp_path):
# Arrange
(tmp_path / "testdir").mkdir()
sf_file: Path = tmp_path / "testdir" / "sf.txt"
sf_file.write_text("some text", encoding="utf-8")
sf = SourceFile(sf_file)
mutation = Mutation(None, sf, None, tmp_path)
# Act
relative_path = mutation.relative_path
# Assert
assert "testdir/sf.txt" == relative_path
def test_create_mutation(tmp_path: Path):
# Arrange
location = (1, 1, 0)
source = None
value = "replacement"
project_directory = tmp_path
# Act
mutation = Mutation(location, source, value, project_directory)
# Assert
assert location == mutation.location
assert source == mutation.source
assert value == mutation.value
assert project_directory == mutation.project_directory
assert mutation.result is None
assert mutation.crime_scenes == []
def mutate_modifier(source_file: SolidityFile, project_directory: Path):
modifier_invocations = list(source_file.get_modifier_invocations())
for _, src in modifier_invocations:
yield Mutation(src, source_file, "", project_directory)
def mutate_voids(source_file: SolidityFile, project_directory: Path):
void_calls = list(source_file.get_void_calls())
for _, src in void_calls:
src[1] += 1
yield Mutation(src, source_file, "", project_directory)