1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158
|
#! /usr/bin/env python
# $Id: package_unittest.py 7320 2012-01-19 22:33:02Z milde $
# Author: Garth Kidd <garth@deadlybloodyserious.com>
# Copyright: This module has been placed in the public domain.
"""
This module extends unittest.py with `loadTestModules()`, by loading multiple
test modules from a directory. Optionally, test packages are also loaded,
recursively.
"""
import sys
import os
import getopt
import types
import unittest
import re
# So that individual test modules can share a bit of state,
# `package_unittest` acts as an intermediary for the following
# variables:
debug = False
verbosity = 1
USAGE = """\
Usage: test_whatever [options]
Options:
-h, --help Show this message
-v, --verbose Verbose output
-q, --quiet Minimal output
-d, --debug Debug mode
"""
def usageExit(msg=None):
"""Print usage and exit."""
if msg:
print msg
print USAGE
sys.exit(2)
def parseArgs(argv=sys.argv):
"""Parse command line arguments and set TestFramework state.
State is to be acquired by test_* modules by a grotty hack:
``from TestFramework import *``. For this stylistic
transgression, I expect to be first up against the wall
when the revolution comes. --Garth"""
global verbosity, debug
try:
options, args = getopt.getopt(argv[1:], 'hHvqd',
['help', 'verbose', 'quiet', 'debug'])
for opt, value in options:
if opt in ('-h', '-H', '--help'):
usageExit()
if opt in ('-q', '--quiet'):
verbosity = 0
if opt in ('-v', '--verbose'):
verbosity = 2
if opt in ('-d', '--debug'):
debug =1
if len(args) != 0:
usageExit("No command-line arguments supported yet.")
except getopt.error, msg:
usageExit(msg)
def loadTestModules(path, name='', packages=None):
"""
Return a test suite composed of all the tests from modules in a directory.
Search for modules in directory `path`, beginning with `name`. If
`packages` is true, search subdirectories (also beginning with `name`)
recursively. Subdirectories must be Python packages; they must contain an
'__init__.py' module.
"""
testLoader = unittest.defaultTestLoader
testSuite = unittest.TestSuite()
testModules = []
path = os.path.abspath(path) # current working dir if `path` empty
paths = [path]
while paths:
p = paths.pop(0)
files = os.listdir(p)
for filename in files:
if filename.startswith(name):
fullpath = os.path.join(p, filename)
if filename.endswith('.py'):
fullpath = fullpath[len(path)+1:]
testModules.append(path2mod(fullpath))
elif packages and os.path.isdir(fullpath) and \
os.path.isfile(os.path.join(fullpath, '__init__.py')):
paths.append(fullpath)
# Import modules and add their tests to the suite.
sys.path.insert(0, path)
for mod in testModules:
if debug:
print >>sys.stderr, "importing %s" % mod
try:
module = import_module(mod)
except ImportError:
print >>sys.stderr, "ERROR: Can't import %s, skipping its tests:" % mod
sys.excepthook(*sys.exc_info())
else:
# if there's a suite defined, incorporate its contents
try:
suite = getattr(module, 'suite')
except AttributeError:
# Look for individual tests
moduleTests = testLoader.loadTestsFromModule(module)
# unittest.TestSuite.addTests() doesn't work as advertised,
# as it can't load tests from another TestSuite, so we have
# to cheat:
testSuite.addTest(moduleTests)
continue
if type(suite) == types.FunctionType:
testSuite.addTest(suite())
elif isinstance(suite, unittest.TestSuite):
testSuite.addTest(suite)
else:
raise AssertionError, "don't understand suite (%s)" % mod
sys.path.pop(0)
return testSuite
def path2mod(path):
"""Convert a file path to a dotted module name."""
return path[:-3].replace(os.sep, '.')
def import_module(name):
"""Import a dotted-path module name, and return the final component."""
mod = __import__(name)
components = name.split('.')
for comp in components[1:]:
mod = getattr(mod, comp)
return mod
def main(suite=None):
"""
Shared `main` for any individual test_* file.
suite -- TestSuite to run. If not specified, look for any globally defined
tests and run them.
"""
parseArgs()
if suite is None:
# Load any globally defined tests.
suite = unittest.defaultTestLoader.loadTestsFromModule(
__import__('__main__'))
if debug:
print >>sys.stderr, "Debug: Suite=%s" % suite
testRunner = unittest.TextTestRunner(verbosity=verbosity)
# run suites (if we were called from test_all) or suite...
if type(suite) == type([]):
for s in suite:
testRunner.run(s)
else:
return testRunner.run(suite)
|