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# Copyright (c) 2009 Jonathan M. Lange. See LICENSE for details.

"""Doubles of test result objects, useful for testing unittest code."""

__all__ = [
    'Python26TestResult',
    'Python27TestResult',
    'ExtendedTestResult',
    ]


class LoggingBase(object):
    """Basic support for logging of results."""

    def __init__(self):
        self._events = []
        self.shouldStop = False


class Python26TestResult(LoggingBase):
    """A precisely python 2.6 like test result, that logs."""

    def addError(self, test, err):
        self._events.append(('addError', test, err))

    def addFailure(self, test, err):
        self._events.append(('addFailure', test, err))

    def addSuccess(self, test):
        self._events.append(('addSuccess', test))

    def startTest(self, test):
        self._events.append(('startTest', test))

    def stop(self):
        self.shouldStop = True

    def stopTest(self, test):
        self._events.append(('stopTest', test))


class Python27TestResult(Python26TestResult):
    """A precisely python 2.7 like test result, that logs."""

    def addExpectedFailure(self, test, err):
        self._events.append(('addExpectedFailure', test, err))

    def addSkip(self, test, reason):
        self._events.append(('addSkip', test, reason))

    def addUnexpectedSuccess(self, test):
        self._events.append(('addUnexpectedSuccess', test))

    def startTestRun(self):
        self._events.append(('startTestRun',))

    def stopTestRun(self):
        self._events.append(('stopTestRun',))


class ExtendedTestResult(Python27TestResult):
    """A test result like the proposed extended unittest result API."""

    def addError(self, test, err=None, details=None):
        self._events.append(('addError', test, err or details))

    def addFailure(self, test, err=None, details=None):
        self._events.append(('addFailure', test, err or details))

    def addExpectedFailure(self, test, err=None, details=None):
        self._events.append(('addExpectedFailure', test, err or details))

    def addSkip(self, test, reason=None, details=None):
        self._events.append(('addSkip', test, reason or details))

    def addSuccess(self, test, details=None):
        if details:
            self._events.append(('addSuccess', test, details))
        else:
            self._events.append(('addSuccess', test))

    def addUnexpectedSuccess(self, test, details=None):
        if details is not None:
            self._events.append(('addUnexpectedSuccess', test, details))
        else:
            self._events.append(('addUnexpectedSuccess', test))

    def progress(self, offset, whence):
        self._events.append(('progress', offset, whence))

    def tags(self, new_tags, gone_tags):
        self._events.append(('tags', new_tags, gone_tags))

    def time(self, time):
        self._events.append(('time', time))