tests/pysize_tests.py

   1 #!/usr/bin/env python
   2
   3 import imp
   4 import os
   5 import tarfile
   6 import unittest
   7 import shutil
   8 import sys
   9 import optparse
  10
  11 import coverage
  12
  13 PYSIZE_EXAMPLE_PATH = '/tmp/pysize_example_dir'
  14 ALL_TESTS = unittest.TestSuite()
  15
  16 def setup():
  17     if not os.path.exists('/tmp/pysize_example_dir'):
  18         tar = tarfile.open('pysize_example_dir.tar.bz2', 'r:bz2')
  19         print 'Extracting pysize_example_dir.tar.bz2'
  20         for tarinfo in tar:
  21             tar.extract(tarinfo, '/tmp')
  22         tar.close()
  23
  24 def cleanup():
  25     print 'Removing', PYSIZE_EXAMPLE_PATH
  26     shutil.rmtree(PYSIZE_EXAMPLE_PATH)
  27
  28 def import_tests():
  29     py_files = [p for p in os.listdir('tests') if p.endswith('.py')]
  30     tests = list(set([p[:p.index('.')] for p in py_files]))
  31     for name in tests:
  32         module = getattr(__import__('tests.' + name), name)
  33         for test in module.TESTS:
  34             suite = unittest.defaultTestLoader.loadTestsFromTestCase(test)
  35             ALL_TESTS.addTest(suite)
  36
  37 def parse_cmdline():
  38     parser = optparse.OptionParser()
  39     parser.add_option('--keep', '-k', action='store_true', dest='keep',
  40                       default=False, help='keep /tmp/pysize_example_dir')
  41     parser.add_option('--coverage', '-c', action='store_true', dest='coverage',
  42                       default=False, help='include coverage tests')
  43     (options, args) = parser.parse_args()
  44     if args:
  45         parser.error()
  46     return options
  47
  48 def start_coverage():
  49     coverage.erase()
  50     coverage.start()
  51
  52 def end_coverage():
  53     coverage.stop()
  54     modules = []
  55     for (name, module) in sys.modules.iteritems():
  56         if name.startswith('pysize.') and module:
  57             path = '../' + name.replace('.', '/') + '.py'
  58             if os.path.exists(path):
  59                 modules.append(module)
  60     coverage.report(modules)
  61     coverage.erase()
  62
  63 def main():
  64     options = parse_cmdline()
  65     sys.path.insert(0, '..')
  66     if options.coverage:
  67         start_coverage()
  68     import_tests()
  69     try:
  70         setup()
  71         unittest.main(argv=[sys.argv[0], '-v'], defaultTest='ALL_TESTS')
  72     finally:
  73         if options.coverage:
  74             end_coverage()
  75         if not options.keep:
  76             cleanup()
  77
  78 if __name__ == '__main__':
  79     main()