Best Python code snippet using slash
run_tests.py
Source:run_tests.py
...19 def __init__(self) -> None:20 self.stream = StreamWrapper(sys.stderr, max_width=CONSOLE_WIDTH)21 def write_header(self) -> None:22 """Write a header for this test run."""23 self.stream.write_separator("=")24 self.stream.write(f"{TITLE}\n")25 self.stream.write_separator("=")26 self.stream.writeln(27 f"Date: {datetime.datetime.utcnow().strftime(r'%Y-%m-%d %H:%M:%S')} UTC"28 )29 def write_footer(self, result: QualifierTestResult, duration: float) -> None:30 """Write a footer for this test run."""31 self.stream.writeln()32 self.stream.write_separator("=")33 self.stream.writeln(f"Test Suite Summary")34 self.stream.write_separator("-")35 if hasattr(result, "results"):36 self.stream.write(37 f"{' '*50} PASSED FAILED TOTAL RESULT"38 "\n"39 )40 for section, section_results in result.results.items():41 section = textwrap.shorten(section, width=50, placeholder="...")42 total = len(section_results)43 passed = sum(test_result for test_result in section_results.values())44 failed = total - passed45 result = "FAIL" if failed else "PASS"46 self.stream.write(47 f"{section:<50} {passed:^6} {failed:^6} {total:^5} {result}\n"48 )49 self.stream.write_separator("=")50 self.stream.writeln(f"Total running time: {duration:.3f}s")51 def run(self, test: unittest.TestSuite) -> None:52 """Run a test suite containing `unittest.TestCase` tests."""53 result = QualifierTestResult(self.stream)54 self.write_header()55 # Record the start time56 start = timeit.default_timer()57 # Pass the TestResult instance to the test suite to run the tests58 test(result)59 # Record the end time60 duration = timeit.default_timer() - start61 self.write_footer(result, duration)62TestOutcome = typing.Tuple[typing.Type[BaseException], BaseException, types.TracebackType]63TestClass = collections.namedtuple("TestClass", "type name")64class StreamWrapper:65 """Wrap an `io.TextIOBase` derived stream with utility methods."""66 def __init__(self, stream: io.TextIOBase, max_width: int = 100, verbosity: int = 0) -> None:67 self.stream = stream68 self.max_width = max_width69 self.verbosity = verbosity70 def __getattr__(self, attr: str) -> typing.Any:71 """Delegate attributes to the `io.TextIOBase` derived stream object."""72 return getattr(self.stream, attr)73 @staticmethod74 def fixed_width_text(text: str, width: int) -> str:75 """Create a string with a certain width by truncating and/or right-padding `text`."""76 return f"{text[:width]:<{width}}"77 def writeln(self, text: str = "") -> None:78 """Write a line to the stream."""79 if text:80 self.stream.write(text[:self.max_width])81 self.stream.write("\n")82 def write_separator(self, char: str = "-", length: typing.Optional[int] = None) -> None:83 """Write a separator line to the stream."""84 if not length:85 length = self.max_width86 multiplier = math.ceil(length / len(char))87 separator = char * multiplier88 self.writeln(separator[:self.max_width])89 def write_test_outcome(90 self,91 description: str,92 test_failures: typing.List[TestOutcome],93 ) -> None:94 """Write a test description."""95 description_length = self.max_width - 996 description = self.fixed_width_text(description, description_length)97 verdict = "[ PASS ]" if not test_failures else "[ FAIL ]"98 description = self.fixed_width_text(description, self.max_width - 8) + verdict99 self.writeln(description)100 if test_failures:101 for _, outcome in test_failures:102 self.write_subtest_failure(outcome)103 self.writeln()104 self.write_separator("-")105 self.writeln()106 def write_subtest_failure(self, outcome: TestOutcome) -> None:107 """Format subtest failure and write it to the stream."""108 self.writeln()109 self.write_separator("-")110 self.writeln("Failing test output:")111 _, exception, _ = outcome112 formatted_exception = ''.join(traceback.format_exception_only(type(exception), exception))113 self.stream.write(textwrap.indent(formatted_exception.rstrip(), prefix=" "))114 def write_section_header(self, section_title: str) -> None:115 """Write a section header, optionally including a subtest result header."""116 title_width = self.max_width - 10117 section_title = self.fixed_width_text(section_title, title_width)118 self.writeln()119 self.write_separator("=")120 self.write(f"{section_title}\n")121 self.write_separator("-")122class QualifierTestResult(unittest.TestResult):123 """A custom test result class used for testing entries for our Code Jam qualifier."""124 def __init__(self, stream: StreamWrapper) -> None:125 super().__init__(stream.stream)126 self.stream = stream127 self.current_testclass = TestClass(None, None)128 self.results = {}129 self.failure_output = None130 self._success = None131 @staticmethod132 def get_description(callable_object: typing.Callable) -> str:133 """Extract a description from the callable by looking at the docstring."""134 if callable_object.__doc__:135 description = callable_object.__doc__.splitlines()[0].rstrip(".!?")...
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