def test_truffle_runner_run_test_with_mutation(tmp_path):
# Arrange
file_path = tmp_path / "mutator.sol" # type: Path
file_path.touch()
source_file = SourceFile(file_path)
src_field = (1, 1, 0)
mutation = Mutation(location=src_field,
source=source_file,
value="value",
project_directory=tmp_path)
truffle_js = tmp_path / "truffle.js" # type: Path
truffle_js.touch()
expected_test_result = {"test_result": True}
truffle_tester = TruffleTester(str(truffle_js), str(tmp_path),
TruffleCompiler(str(truffle_js)))
truffle_tester.run_test_command = MagicMock(
return_value=expected_test_result)
# Act
test_result = truffle_tester.run_tests(mutation=mutation)
# Assert
assert expected_test_result == test_result
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 test_apply_mutation(tmp_path):
# Arrange
file_path = tmp_path / "mutator.sol" # type: Path
file_path.touch()
source_file = SourceFile(file_path)
src_field = (1, 1, 0)
mutation = Mutation(location=src_field, source=source_file, value="value", project_directory=tmp_path)
# Act
_apply_mutation(mutation, str(tmp_path))
# Assert
assert "value" == file_path.read_text("utf-8")
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_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"