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#!/usr/bin/env python
# SchoolTool - common information systems platform for school administration
# Copyright (c) 2003 Shuttleworth Foundation
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
SchoolTool test runner.

Syntax: test.py [options] [pathname-regexp [test-regexp]]

There are two kinds of tests:
  - unit tests (or programmer tests) test the internal workings of various
    components of the system
  - functional tests (acceptance tests, customer tests) test only externaly
    visible system behaviour

You can choose to run unit tests (this is the default mode), functional tests
(by giving a -f option to test.py) or both (by giving both -u and -f options).

Test cases are located in the directory tree starting at the location of this
script, in subdirectories named 'tests' for unit tests and 'ftests' for
functional tests, in Python modules named 'test*.py'.  They are then filtered
according to pathname and test regexes.  Alternatively, packages may just have
'tests.py' and 'ftests.py' instead of subpackages 'tests' and 'ftests'

A leading "!" in a regexp is stripped and negates the regexp.  Pathname
regexp is applied to the whole path (package/package/module.py). Test regexp
is applied to a full test id (package.package.module.class.test_method).

  -h, --help            print this help message
  -v                    verbose (print dots for each test run)
  -vv                   very verbose (print test names)
  -q                    quiet (do not print anything on success)
  -c                    colorize output (assumes dark background)
  -C                    colorize output (assumes bright background)
  -w                    enable warnings about omitted test cases
  -d                    invoke pdb when an exception occurs
  -1                    report only the first failure in doctests
  -p                    show progress bar (can be combined with -v or -vv)
  -u                    select unit tests (default)
  -f                    select functional tests
  --level n             select only tests at level n or lower
  --all-levels          select all tests
  --list-files          list all selected test files
  --list-tests          list all selected test cases
  --list-hooks          list all loaded test hooks
  --coverage            create code coverage reports
  --search-in dir       limit directory tree walk to dir (optimisation)
  --immediate-errors    show errors as soon as they happen (default)
  --delayed-errors      show errors after all unit tests were run
# This script borrows ideas from Zope 3's test runner heavily.  It is smaller
# and cleaner though, at the expense of more limited functionality.

import re
import os
import sys
import time
import types
import getopt
import doctest
import unittest
import traceback
import linecache
import pdb
from sets import Set

__metaclass__ = type

00089 class Options:
    """Configurable properties of the test runner."""

    # test location
    basedir = ''                # base directory for tests (defaults to
                                # basedir of argv[0] + 'src'), must be absolute
    search_in = ()              # list of subdirs to traverse (defaults to
                                # basedir)
    follow_symlinks = True      # should symlinks to subdirectories be
                                # followed? (hardcoded, may cause loops)

    # which tests to run
    unit_tests = False          # unit tests (default if both are false)
    functional_tests = False    # functional tests

    # test filtering
    level = 1                   # run only tests at this or lower level
                                # (if None, runs all tests)
    pathname_regex = ''         # regexp for filtering filenames
    test_regex = ''             # regexp for filtering test cases

    # actions to take
    list_files = False          # --list-files
    list_tests = False          # --list-tests
    list_hooks = False          # --list-hooks
    run_tests = True            # run tests (disabled by --list-foo)
    postmortem = False          # invoke pdb when an exception occurs

    # output verbosity
    verbosity = 0               # verbosity level (-v)
    quiet = 0                   # do not print anything on success (-q)
    warn_omitted = False        # produce warnings when a test case is
                                # not included in a test suite (-w)
    first_doctest_failure = False # report first doctest failure (-1)
    print_import_time = True    # print time taken to import test modules
                                # (currently hardcoded)
    progress = False            # show running progress (-p)
    colorizer = None            # colorize output (-c)
    coverage = False            # produce coverage reports (--coverage)
    coverdir = 'coverage'       # where to put them (currently hardcoded)
    immediate_errors = True     # show tracebacks twice (--immediate-errors,
                                # --delayed-errors)
    screen_width = 80           # screen width (autodetected)

def compile_matcher(regex):
    """Return a function that takes one argument and returns True or False.

    Regex is a regular expression.  Empty regex matches everything.  There
    is one expression: if the regex starts with "!", the meaning of it is
    if not regex:
        return lambda x: True
    elif regex == '!':
        return lambda x: False
    elif regex.startswith('!'):
        rx = re.compile(regex[1:])
        return lambda x: rx.search(x) is None
        rx = re.compile(regex)
        return lambda x: rx.search(x) is not None

def walk_with_symlinks(top, func, arg):
    """Like os.path.walk, but follows symlinks on POSIX systems.

    If the symlinks create a loop, this function will never finish.
        names = os.listdir(top)
    except os.error:
    func(arg, top, names)
    exceptions = ('.', '..')
    for name in names:
        if name not in exceptions:
            name = os.path.join(top, name)
            if os.path.isdir(name):
                walk_with_symlinks(name, func, arg)

def get_test_files(cfg):
    """Return a list of test module filenames."""
    matcher = compile_matcher(cfg.pathname_regex)
    allresults = []
    testdir_names = []
    if cfg.functional_tests:
    if cfg.unit_tests:
    baselen = len(cfg.basedir) + 1
    def visit(ignored, dir, files):
        # Ignore files starting with a dot.
        # Do not not descend into subdirs containing a dot.
        remove = []
        for idx, file in enumerate(files):
            if file.startswith('.'):
            elif '.' in file and os.path.isdir(os.path.join(dir, file)):
        for idx in remove:
            del files[idx]
        # Skip non-test directories, but look for tests.py and/or ftests.py
        if os.path.basename(dir) != testdir_name:
            if testdir_name + '.py' in files:
                path = os.path.join(dir, testdir_name + '.py')
                if matcher(path[baselen:]):
        if '__init__.py' not in files:
            print >> sys.stderr, "%s is not a package" % dir
        for file in files:
            if file.startswith('test') and file.endswith('.py'):
                path = os.path.join(dir, file)
                if matcher(path[baselen:]):
    if cfg.follow_symlinks:
        walker = walk_with_symlinks
        walker = os.path.walk

    for testdir_name in testdir_names:
        results = []
        for dir in cfg.search_in:
            walker(dir, visit, None)
        allresults += results

    return allresults

def import_module(filename, cfg, tracer=None):
    """Import and return a module."""
    filename = os.path.splitext(filename)[0]
    if filename.startswith(cfg.basedir):
        filename = filename[len(cfg.basedir):]
    modname = filename.replace(os.path.sep, '.')
    if modname.startswith('.'):
        modname = modname[1:]
    if tracer is not None:
        mod = tracer.runfunc(__import__, modname)
        mod = __import__(modname)
    components = modname.split('.')
    for comp in components[1:]:
        mod = getattr(mod, comp)
    return mod

# Classess passed to isinstance to see whether a test is a DocFileCase.
# There's doctest.DocFileCase (if you have Python 2.4), and then there might be
# zope.testing.doctest.DocFileCase.
if hasattr(doctest, 'DocFileCase'):
    DocFileCase_classes = (doctest.DocFileCase,)
    DocFileCase_classes = ()

def name_of_test(test, basedir=None):
    """Return the name of a test.

    In most cases the name will be "package.module.class.method", however it
    is different for doctest files, where it will be "subdir/subdir/filename".
    if isinstance(test, DocFileCase_classes):
        # test.id() returns something like "README_txt", while str(test)
        # returns the pathname
        doctest_filename = os.path.abspath(str(test))
        if basedir and doctest_filename.startswith(basedir + '/'):
            doctest_filename = doctest_filename[len(basedir) + 1:]
        return doctest_filename
        # test.id() returns something like
        # "package.module.TestClass.test_method", while str(test)
        # returns "test_method (package.module.TestClass)".
        return test.id()

def filter_testsuite(suite, matcher, level=None, basedir=None):
    """Return a flattened list of test cases that match the given matcher."""
    if not isinstance(suite, unittest.TestSuite):
        raise TypeError('not a TestSuite', suite)
    results = []
    for test in suite._tests:
        if level is not None and getattr(test, 'level', 0) > level:
        if isinstance(test, unittest.TestCase):
            testname = name_of_test(test, basedir)
            if matcher(testname):
            filtered = filter_testsuite(test, matcher, level, basedir)
    return results

def get_all_test_cases(module):
    """Return a list of all test case classes defined in a given module."""
    results = []
    for name in dir(module):
        if not name.startswith('Test'):
        item = getattr(module, name)
        if (isinstance(item, (type, types.ClassType)) and
            issubclass(item, unittest.TestCase)):
    return results

def get_test_classes_from_testsuite(suite):
    """Return a set of test case classes used in a test suite."""
    if not isinstance(suite, unittest.TestSuite):
        raise TypeError('not a TestSuite', suite)
    results = Set()
    for test in suite._tests:
        if isinstance(test, unittest.TestCase):
            classes = get_test_classes_from_testsuite(test)
    return results

def get_test_cases(test_files, cfg, tracer=None):
    """Return a list of test cases from a given list of test modules."""
    matcher = compile_matcher(cfg.test_regex)
    results = []
    startTime = time.time()
    for file in test_files:
        module = import_module(file, cfg, tracer=tracer)
            func = module.test_suite
        except AttributeError:
            print >> sys.stderr
            print >> sys.stderr, ("%s: WARNING: there is no test_suite"
                                  " function" % file)
            print >> sys.stderr
        if tracer is not None:
            test_suite = tracer.runfunc(func)
            test_suite = func()
        if test_suite is None:
        if cfg.warn_omitted:
            all_classes = Set(get_all_test_cases(module))
            classes_in_suite = get_test_classes_from_testsuite(test_suite)
            difference = all_classes - classes_in_suite
            for test_class in difference:
                # surround the warning with blank lines, otherwise it tends
                # to get lost in the noise
                print >> sys.stderr
                print >> sys.stderr, ("%s: WARNING: %s not in test suite"
                                      % (file, test_class.__name__))
                print >> sys.stderr
        if (cfg.level is not None and
            getattr(test_suite, 'level', 0) > cfg.level):
        filtered = filter_testsuite(test_suite, matcher, cfg.level, cfg.basedir)
    stopTime = time.time()
    timeTaken = float(stopTime - startTime)
    if cfg.print_import_time:
        nmodules = len(test_files)
        plural = (nmodules != 1) and 's' or ''
        print "Imported %d module%s in %.3fs" % (nmodules, plural, timeTaken)
    return results

def get_test_hooks(test_files, cfg, tracer=None):
    """Return a list of test hooks from a given list of test modules."""
    dirs = Set(map(os.path.dirname, test_files))
    for dir in list(dirs):
        if os.path.basename(dir) == 'ftests':
            dirs.add(os.path.join(os.path.dirname(dir), 'tests'))
    dirs = list(dirs)
    hook_modules = []
    for dir in dirs:
        filename = os.path.join(dir, 'checks.py')
        if os.path.exists(filename):
            module = import_module(filename, cfg, tracer=tracer)
    # Also look in a a directory 'testsupport' which is a sibling of
    # cfg.basedir
    dir = os.path.join(os.path.dirname(cfg.basedir), 'testsupport')
    filename = os.path.join(dir, 'checks.py')
    if os.path.exists(filename):
        sys.path.insert(0, dir)
            module = import_module('checks.py', cfg, tracer=tracer)
            del sys.path[0]
    results = []
    for module in hook_modules:
        if tracer is not None:
            hooks = tracer.runfunc(module.test_hooks)
            hooks = module.test_hooks()
    return results

def extract_tb(tb, limit=None):
    """Improved version of traceback.extract_tb.

    Includes a dict with locals in every stack frame instead of the line.
    list = []
    while tb is not None and (limit is None or len(list) < limit):
        frame = tb.tb_frame
        code = frame.f_code
        name = code.co_name
        filename = code.co_filename
        lineno = tb.tb_lineno
        locals = frame.f_locals
        list.append((filename, lineno, name, locals))
        tb = tb.tb_next
    return list

colorcodes = {'gray': 0, 'red': 1, 'green': 2, 'yellow': 3,
              'blue': 4, 'magenta': 5, 'cyan': 6, 'white': 7}

dark_colormap = { # Color scheme for dark backgrounds
            'fail': 'red',
            'pass': 'green',
            'count': 'white',
            'title': 'white',
            'separator': 'dark white',
            'longtestname': 'yellow',
            'filename': 'dark green',
            'lineno': 'green',
            'testname': 'dark yellow',
            'excname': 'red',
            'excstring': 'yellow',
            'tbheader': 'dark white',
            'doctest_ignored': 'gray',
            'doctest_title': 'dark white',
            'doctest_code': 'yellow',
            'doctest_expected': 'green',
            'doctest_got': 'red',
            'diff_expected': 'red',
            'diff_actual': 'green',
            'diff_context': 'dark white',
            'diff_inline': 'gray'}

light_colormap = { # Color scheme for light backgrounds
            'fail': 'red',
            'pass': 'dark green',
            'count': 'dark green',
            'title': 'red',
            'separator': 'dark white',
            'longtestname': 'dark red',
            'filename': 'dark green',
            'lineno': 'dark magenta',
            'testname': 'dark yellow',
            'excname': 'red',
            'excstring': 'dark yellow',
            'tbheader': 'gray',
            'doctest_ignored': 'dark white',
            'doctest_title': 'gray',
            'doctest_code': 'dark blue',
            'doctest_expected': 'dark green',
            'doctest_got': 'dark red',
            'diff_expected': 'dark red',
            'diff_actual': 'dark green',
            'diff_context': 'dark gray',
            'diff_inline': 'dark magenta'}

class Colorizer(object):

    def __init__(self, colormap):
        self.colormap = colormap

    def colorize(self, texttype, text):
        """Colorize text by ANSI escape codes in a color provided in colormap."""
        color = self.colormap[texttype]
        if color.startswith('dark '):
            light = 0
            color = color[len('dark '):] # strip the 'dark' prefix
            light = 1
        code = 30 + colorcodes[color]
        return '\033[%d;%dm' % (light, code) + text + '\033[0m'

    def colorize_ndiff(self, lines):
        """Colorize ndiff output.

        Returns a new sequence of colored strings.

        `lines` is a sequence of strings.

        Typical input:

              Some context lines
            - This line was removed
              Some context
            + This line was added
              Some context
            - This line esd chnged
            ?           ^^^     -
            + This line was changd
            ?           ^^^   + 
              Some context

        result = []
        for line in lines:
            if line.startswith('    -'):
                result.append(self.colorize('diff_expected', line))
            elif line.startswith('    +'):
                result.append(self.colorize('diff_actual', line))
            elif line.startswith('    ?'):
                result.append(self.colorize('diff_inline', line))
                result.append(self.colorize('diff_context', line))
        return result

    def colorize_zope_doctest_output(self, lines):
        """Colorize output formatted by the doctest engine included with Zope 3.

        Returns a new sequence of colored strings.

        `lines` is a sequence of strings.

        The typical structure of the doctest output looks either like this:

            File "...", line 123, in foo.bar.baz.doctest_quux
            Failed example:
                f(2, 3)

        Or, if an exception has occurred, like this:

            File "...", line 123, in foo.bar.baz.doctest_quux
            Failed example:
                f(2, 3)
            Exception raised:
                Traceback (most recent call last):
                  File "...", line 123, in __init__
                    self.do_something(a, b, c)
                  File "...", line ...
                FooError: something bad happened

        If some assumption made by this function is not met, the original sequence
        is returned without any modifications.
        # XXX bug: doctest may report several failures in one test, they are
        #          separated by a horizontal dash line.  Only the first one of
        #          them is now colorized properly.
        header = lines[0]
        if not header.startswith('File "'):
            return lines # not a doctest failure report?

        # Dissect the header in a rather nasty way.
        header = header[len('File "'):]
        fn_end = header.find('"')
        if fn_end == -1:
            return lines
        filename = header[:fn_end]
        header = header[fn_end+len('", line '):]
        parts = header.split(', in ')
        if len(parts) != 2:
            lineno = header
            filename = self.colorize('filename', filename)
            lineno = self.colorize('lineno', lineno)
            result = ['File "%s", line %s' % (filename, lineno)]
            lineno, testname = parts
            filename = self.colorize('filename', filename)
            lineno = self.colorize('lineno', lineno)
            testname = self.colorize('testname', testname)
            result = ['File "%s", line %s, in %s' % (filename, lineno, testname)]

        # Colorize the 'Failed example:' section.
        if lines[1] != 'Failed example:':
            return lines
        result.append(self.colorize('doctest_title', lines[1]))
        remaining = lines[2:]
        terminators = ['Expected:', 'Expected nothing', 'Exception raised:',
                       'Differences (ndiff with -expected +actual):']
        while remaining and remaining[0] not in terminators:
            line = remaining.pop(0)
            result.append(self.colorize('doctest_code', line))
        if not remaining:
            return lines

        if remaining[0] in ('Expected:', 'Expected nothing'):
            result.append(self.colorize('doctest_title', remaining.pop(0))) # Expected:
            while remaining and remaining[0] not in ('Got:', 'Got nothing'):
                line = remaining.pop(0)
                result.append(self.colorize('doctest_expected', line))
            if not remaining or remaining[0] not in ('Got:', 'Got nothing'):
                return lines
            result.append(self.colorize('doctest_title', remaining.pop(0))) # Got:
            while remaining:
                line = remaining.pop(0)
                result.append(self.colorize('doctest_got', line))
        elif remaining[0] == 'Exception raised:':
            result.append(self.colorize('doctest_title', remaining.pop(0))) # E. raised:
            while remaining:
                line = remaining.pop(0)
                # TODO: Scrape and colorize the traceback.
                result.append(self.colorize('doctest_got', line))
        elif remaining[0] == 'Differences (ndiff with -expected +actual):':
            result.append(self.colorize('doctest_title', remaining.pop(0))) # E. raised:
            return lines

        return result

    def colorize_exception_only(self, lines):
        """Colorize result of traceback.format_exception_only."""
        if len(lines) > 1:
            return lines # SyntaxError?  We won't deal with that for now.
        lines = lines[0].splitlines()

        # First, colorize the first line, which usually contains the name
        # and the string of the exception.
        result = []
        doctest = 'Failed doctest test for' in lines[0]
        # TODO: We only deal with the output from Zope 3's doctest module.
        #       A colorizer for the Python's doctest module would be nice too.
        if doctest:
            # If we have a doctest, we do not care about this header.  All the
            # interesting things are below, formatted by the doctest runner.
            for lineno in range(4):
                result.append(self.colorize('doctest_ignored', lines[lineno]))
            beef = self.colorize_zope_doctest_output(lines[4:])
            return '\n'.join(result)
            # A simple exception.  Try to colorize the first row, leave others be.
            excline = lines[0].split(': ', 1)
            if len(excline) == 2:
                excname = self.colorize('excname', excline[0])
                excstring = self.colorize('excstring', excline[1])
                result.append('%s: %s' % (excname, excstring))
                result.append(self.colorize('excstring', lines[0]))
            return '\n'.join(result)

def format_exception(etype, value, tb, limit=None, basedir=None,
    """Improved version of traceback.format_exception.

    Includes Zope-specific extra information in tracebacks.

    If colorizer is not None, it is used to colorize the output.
    color = (colorizer is not None)
    if color:
        colorize = colorizer.colorize
    # Show stack trace.
    list = []
    if tb:
        list = ['Traceback (most recent call last):\n']
        if color:
            list[0] = colorize('tbheader', list[0])
        w = list.append

        for filename, lineno, name, locals in extract_tb(tb, limit):
            line = linecache.getline(filename, lineno)
            if color and 'zope/testing/doctest.py' not in filename:
                filename = colorize('filename', filename)
                lineno = colorize('lineno', str(lineno))
                name = colorize('testname', name)
                w('  File "%s", line %s, in %s\n' % (filename, lineno, name))
                if line:
                    w('    %s\n' % line.strip())
            elif color:
                s = '  File "%s", line %s, in %s\n' % (filename, lineno, name)
                w(colorize('doctest_ignored', s))
                if line:
                    w('    %s\n' % colorize('doctest_ignored', line.strip()))
                w('  File "%s", line %s, in %s\n' % (filename, lineno, name))
                if line:
                    w('    %s\n' % line.strip())

            tb_info = locals.get('__traceback_info__')
            if tb_info is not None:
                w('  Extra information: %s\n' % repr(tb_info))
            tb_supplement = locals.get('__traceback_supplement__')
            if tb_supplement is not None:
                tb_supplement = tb_supplement[0](*tb_supplement[1:])
                # TODO these should be hookable
                from zope.tales.tales import TALESTracebackSupplement
                from zope.pagetemplate.pagetemplate \
                        import PageTemplateTracebackSupplement
                if isinstance(tb_supplement, PageTemplateTracebackSupplement):
                    template = tb_supplement.manageable_object.pt_source_file()
                    if template:
                        w('  Template "%s"\n' % template)
                elif isinstance(tb_supplement, TALESTracebackSupplement):
                    w('  Template "%s", line %s, column %s\n'
                      % (tb_supplement.source_url, tb_supplement.line,
                    line = linecache.getline(tb_supplement.source_url,
                    if line:
                        w('    %s\n' % line.strip())
                    w('  Expression: %s\n' % tb_supplement.expression)
                    w('  __traceback_supplement__ = %r\n' % (tb_supplement, ))

    # Add the representation of the exception itself.
    lines = traceback.format_exception_only(etype, value)
    if color:
        lines = colorizer.colorize_exception_only(lines)

    return list

00719 class CustomTestResult(unittest._TextTestResult):
    """Customised TestResult.

    It can show a progress bar, and displays tracebacks for errors and failures
    as soon as they happen, in addition to listing them all at the end.

    __super = unittest._TextTestResult
    __super_init = __super.__init__
    __super_startTest = __super.startTest
    __super_stopTest = __super.stopTest
    __super_printErrors = __super.printErrors
    __super_printErrorList = __super.printErrorList

    def __init__(self, stream, descriptions, verbosity, count, cfg, hooks):
        self.__super_init(stream, descriptions, verbosity)
        self.count = count
        self.cfg = cfg
        self.hooks = hooks
        if cfg.progress:
            self.dots = False
            self._lastWidth = 0
            self._maxWidth = cfg.screen_width - len("xxxx/xxxx (xxx.x%): ") - 1

    def startTest(self, test):
        n = self.testsRun + 1
        if self.cfg.progress:
            # verbosity == 0: 'xxxx/xxxx (xxx.x%)'
            # verbosity == 1: 'xxxx/xxxx (xxx.x%): test name'
            # verbosity >= 2: 'xxxx/xxxx (xxx.x%): test name ... ok'
            self.stream.write("\r%4d" % n)
            if self.count:
                self.stream.write("/%d (%5.1f%%)"
                                  % (self.count, n * 100.0 / self.count))
            if self.showAll: # self.cfg.verbosity == 1
                self.stream.write(": ")
            elif self.cfg.verbosity:
                name = self.getShortDescription(test)
                width = len(name)
                if width < self._lastWidth:
                    name += " " * (self._lastWidth - width)
                self.stream.write(": %s" % name)
                self._lastWidth = width
        self.__super_startTest(test)  # increments testsRun by one and prints
        self.testsRun = n # override the testsRun calculation
        for hook in self.hooks:

    def stopTest(self, test):
        for hook in self.hooks:

    def getDescription(self, test):
        return name_of_test(test, self.cfg.basedir)

    def getShortDescription(self, test):
        s = name_of_test(test, self.cfg.basedir)
        if len(s) > self._maxWidth:
            # In most cases s is "package.module.class.method".
            # Try to keep the method name intact, and replace the middle
            # part of "package.module.class" with an ellipsis.
            namelen = len(s.split('.')[-1])
            left = max(0, (self._maxWidth - namelen) / 2 - 1)
            right = self._maxWidth - left - 3
            s = "%s...%s" % (s[:left], s[-right:])
        return s

    def printErrors(self):
        w = self.stream.writeln
        if self.cfg.progress and not (self.dots or self.showAll):
        if self.cfg.immediate_errors and (self.errors or self.failures):
            if self.cfg.colorizer is not None:
                w(self.cfg.colorizer.colorize('separator', self.separator1))
                w(self.cfg.colorizer.colorize('title', "Tests that failed"))
                w(self.cfg.colorizer.colorize('separator', self.separator2))
                w("Tests that failed")

    def formatError(self, err):
        return "".join(format_exception(basedir=self.cfg.basedir,
                                        colorizer=self.cfg.colorizer, *err))

    def printTraceback(self, kind, test, err):
        w = self.stream.writeln
        if self.cfg.colorizer is not None:
            c = self.cfg.colorizer.colorize
            c = lambda texttype, text: text
        w(c('separator', self.separator1))
        kind = c('fail', kind)
        description = c('longtestname', self.getDescription(test))
        w("%s: %s" % (kind, description))
        w(c('separator', self.separator2))

    def addFailure(self, test, err):
        if self.cfg.immediate_errors:
            self.printTraceback("FAIL", test, err)
        if self.cfg.postmortem:
        self.failures.append((test, self.formatError(err)))

    def addError(self, test, err):
        if self.cfg.immediate_errors:
            self.printTraceback("ERROR", test, err)
        if self.cfg.postmortem:
        self.errors.append((test, self.formatError(err)))

    def printErrorList(self, flavour, errors):
        if self.cfg.immediate_errors:
            for test, err in errors:
                description = self.getDescription(test)
                self.stream.writeln("%s: %s" % (flavour, description))
            self.__super_printErrorList(flavour, errors)

00845 class CustomTestRunner(unittest.TextTestRunner):
    """Customised TestRunner.

    See CustomisedTextResult for a list of extensions.

    __super = unittest.TextTestRunner
    __super_init = __super.__init__
    __super_run = __super.run

    def __init__(self, cfg, hooks=None, stream=sys.stderr, count=None):
        self.__super_init(verbosity=cfg.verbosity, stream=stream)
        self.cfg = cfg
        if hooks is not None:
            self.hooks = hooks
            self.hooks = []
        self.count = count

00864     def run(self, test):
        """Run the given test case or test suite."""
        if self.count is None:
            self.count = test.countTestCases()
        if self.cfg.colorizer is not None:
            c = self.cfg.colorizer.colorize
            c = lambda texttype, text: text
        result = self._makeResult()
        startTime = time.time()
        stopTime = time.time()
        timeTaken = float(stopTime - startTime)
        run = result.testsRun
        if not self.cfg.quiet:
            self.stream.writeln(c('separator', result.separator2))
            run_str = c('count', str(run))
            time_str = c('count', '%.3f' % timeTaken)
            self.stream.writeln("Ran %s test%s in %ss" %
                                (run_str, run != 1 and "s" or "", time_str))
        if not result.wasSuccessful():
            self.stream.write(c('fail', "FAILED"))

            failed, errored = map(len, (result.failures, result.errors))
            if failed:
                self.stream.write(" (failures=%s" % c('count', str(failed)))
            if errored:
                if failed: self.stream.write(", ")
                else: self.stream.write("(")
                self.stream.write("errors=%s" % c('count', str(errored)))
        elif not self.cfg.quiet:
            self.stream.writeln(c('pass', "OK"))
        return result

    def _makeResult(self):
        return CustomTestResult(self.stream, self.descriptions, self.verbosity,
                                cfg=self.cfg, count=self.count,

def main(argv):
    """Main program."""

    # Environment
    if sys.version_info < (2, 3):
        print >> sys.stderr, '%s: need Python 2.3 or later' % argv[0]
        print >> sys.stderr, 'your python is %s' % sys.version
        return 1

    # Defaults
    cfg = Options()
    if not cfg.basedir:
        cfg.basedir = os.path.join(os.path.dirname(argv[0]), 'src')
    cfg.basedir = os.path.abspath(cfg.basedir)

    # Figure out terminal size
        import curses
    except ImportError:
            cols = curses.tigetnum('cols')
            if cols > 0:
                cfg.screen_width = cols
        except curses.error:

    # Option processing
        opts, args = getopt.gnu_getopt(argv[1:], 'hvpcCqufwd1s:',
                               ['list-files', 'list-tests', 'list-hooks',
                                'level=', 'all-levels', 'coverage',
                                'search-in=', 'immediate-errors',
                                'delayed-errors', 'help'])
    except getopt.error, e:
        print >> sys.stderr, '%s: %s' % (argv[0], e)
        print >> sys.stderr, 'run %s -h for help' % argv[0]
        return 1
    for k, v in opts:
        if k in ['-h', '--help']:
            print __doc__
            return 0
        elif k == '-v':
            cfg.verbosity += 1
            cfg.quiet = False
        elif k == '-p':
            cfg.progress = True
            cfg.quiet = False
        elif k == '-c':
            cfg.colorizer = Colorizer(dark_colormap)
        elif k == '-C':
            cfg.colorizer = Colorizer(light_colormap)
        elif k == '-q':
            cfg.verbosity = 0
            cfg.progress = False
            cfg.quiet = True
        elif k == '-u':
            cfg.unit_tests = True
        elif k == '-f':
            cfg.functional_tests = True
        elif k == '-d':
            cfg.postmortem = True
        elif k == '-w':
            cfg.warn_omitted = True
        elif k == '-1':
            cfg.first_doctest_failure = True
        elif k == '--list-files':
            cfg.list_files = True
            cfg.run_tests = False
        elif k == '--list-tests':
            cfg.list_tests = True
            cfg.run_tests = False
        elif k == '--list-hooks':
            cfg.list_hooks = True
            cfg.run_tests = False
        elif k == '--coverage':
            cfg.coverage = True
        elif k == '--level':
                cfg.level = int(v)
            except ValueError:
                print >> sys.stderr, '%s: invalid level: %s' % (argv[0], v)
                print >> sys.stderr, 'run %s -h for help' % argv[0]
                return 1
        elif k == '--all-levels':
            cfg.level = None
        elif k in ('-s', '--search-in'):
            dir = os.path.abspath(v)
            if not dir.startswith(cfg.basedir):
                print >> sys.stderr, ('%s: argument to --search-in (%s) must'
                                      ' be a subdir of %s'
                                      % (argv[0], v, cfg.basedir))
                return 1
            cfg.search_in += (dir, )
        elif k == '--immediate-errors':
            cfg.immediate_errors = True
        elif k == '--delayed-errors':
            cfg.immediate_errors = False
            print >> sys.stderr, '%s: invalid option: %s' % (argv[0], k)
            print >> sys.stderr, 'run %s -h for help' % argv[0]
            return 1
    if args:
        cfg.pathname_regex = args[0]
    if len(args) > 1:
        cfg.test_regex = args[1]
    if len(args) > 2:
        print >> sys.stderr, '%s: too many arguments: %s' % (argv[0], args[2])
        print >> sys.stderr, 'run %s -h for help' % argv[0]
        return 1
    if not cfg.unit_tests and not cfg.functional_tests:
        cfg.unit_tests = True

    if not cfg.search_in:
        cfg.search_in = (cfg.basedir, )

    # Do not print "Imported %d modules in %.3fs" if --list-* was specified
    # or if quiet mode is enabled.
    if cfg.quiet or cfg.list_tests or cfg.list_hooks or cfg.list_files:
        cfg.print_import_time = False

    # Set up the python path
    sys.path[0] = cfg.basedir
    # XXX The following bit is SchoolTool specific: we need the Zope3 tree in
    #     sys.path, in addition to basedir.
    sys.path.insert(1, os.path.join(os.path.dirname(cfg.basedir),
                                    'Zope3', 'src'))

    # Set up tracing before we start importing things
    tracer = None
    if cfg.run_tests and cfg.coverage:
        import trace
        # trace.py in Python 2.3.1 is buggy:
        # 1) Despite sys.prefix being in ignoredirs, a lot of system-wide
        #    modules are included in the coverage reports
        # 2) Some module file names do not have the first two characters,
        #    and in general the prefix used seems to be arbitrary
        # These bugs are fixed in src/trace.py which should be in PYTHONPATH
        # before the official one.
        ignoremods = ['test']
        ignoredirs = [sys.prefix, sys.exec_prefix]
        tracer = trace.Trace(count=True, trace=False,
                    ignoremods=ignoremods, ignoredirs=ignoredirs)

    # Configure doctests
    if cfg.first_doctest_failure:
        import doctest
        # The doctest module in Python 2.3 does not have this feature
        if hasattr(doctest, 'REPORT_ONLY_FIRST_FAILURE'):
        # Also apply the flag to zope.testing.doctest, if it exists
            from zope.testing import doctest
        except ImportError:

    # Make sure we can identify doctests before we start the filtering
        import zope.testing.doctest
        global DocFileCase_classes
        DocFileCase_classes += (zope.testing.doctest.DocFileCase,)
    except ImportError:

    # Finding and importing
    test_files = get_test_files(cfg)
    if cfg.list_tests or cfg.run_tests:
        test_cases = get_test_cases(test_files, cfg, tracer=tracer)
    if cfg.list_hooks or cfg.run_tests:
        test_hooks = get_test_hooks(test_files, cfg, tracer=tracer)

    # Configure the logging module
    import logging

    # Running
    success = True
    if cfg.list_files:
        baselen = len(cfg.basedir) + 1
        print "\n".join([fn[baselen:] for fn in test_files])
    if cfg.list_tests:
        print "\n".join([name_of_test(test, cfg.basedir)
                         for test in test_cases])
    if cfg.list_hooks:
        print "\n".join([str(hook) for hook in test_hooks])
    if cfg.run_tests:
        runner = CustomTestRunner(cfg, test_hooks, count=len(test_cases))
        suite = unittest.TestSuite()
        if tracer is not None:
            success = tracer.runfunc(runner.run, suite).wasSuccessful()
            results = tracer.results()
            results.write_results(show_missing=True, coverdir=cfg.coverdir)
            success = runner.run(suite).wasSuccessful()

    # That's all
    if success:
        return 0
        return 1

if __name__ == '__main__':
    exitcode = main(sys.argv)

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