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#!/usr/bin/env python |
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# -*- coding: utf-8 -*- |
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''' run_tests.py - Run Radiance test suite |
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2013 - 2016 Georg Mischler |
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|
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Invocation: |
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As script, call with -H for instructions. |
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As module, see docstrings in class RadianceTests for instructions. |
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''' |
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from __future__ import division, print_function, unicode_literals |
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__all__ = ['TESTCATS', 'RadianceTests', 'main'] |
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import os |
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import sys |
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import types |
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import argparse |
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import unittest |
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|
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SHORTPROGN = os.path.splitext(os.path.basename(sys.argv[0]))[0] |
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TESTCATS = ('pyrad','cal','cv','gen','hd','meta','ot','px', 'rt','util',) |
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|
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class Error(Exception): pass |
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|
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class RadianceTests(): |
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'''Test Radiance programs below subdirectory "testcases" recursively. |
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|
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This class will create a virtual module "testsupport" with constants |
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and functions for use in individual test cases. |
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|
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bindir - list of paths added to PATH |
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path - complete list of paths currently in PATH |
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radlib - list of paths added to RAYPATH |
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raypath - complete list of paths currently in RAYPATH |
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pyradlib - absolute path of python support library directory |
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datadir - absolute path of test data directory |
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datafile([sub, [sub,]] fn) - return absolute file path in |
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data directory or in a subdirectory |
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''' |
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def __init__(self, **args): |
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'''Args are: |
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bindir=[directory ...] - will be prepended to PATH for tests |
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radlib=[directory ...] - will be prepended to RAYPATH for tests |
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cat=[category ...] - only test those categories (else TESTCATS) |
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V=False - if True, verbose listing of executed tests |
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''' |
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self.bindir = args.get('bindir') |
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self.radlib = args.get('radlib') |
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self.testcats = args.get('cat') |
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self.V = 2 if args.get('V') else 1 |
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try: |
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old_osenv = os.environ |
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|
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thisfile = os.path.abspath(__file__) |
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self.thisdir = os.path.split(thisfile)[0] |
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self.testdir = os.path.join(self.thisdir, 'testcases') |
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old_syspath = sys.path |
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if self.testdir not in sys.path: |
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sys.path.insert(0, self.testdir) |
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|
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oldpath = old_osenv.get('PATH', '') |
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pathlist = oldpath.split(os.pathsep) |
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if self.bindir: |
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for bdir in self.bindir: |
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if bdir not in pathlist: |
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pathlist.insert(0, bdir) |
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os.environ['PATH'] = os.pathsep.join(pathlist) |
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|
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oldraypath = old_osenv.get('RAYPATH', '') |
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raypathlist = oldraypath.split(os.pathsep) |
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if self.radlib: |
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for rlib in self.radlib + ['.']: |
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if rlib not in raypathlist: |
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raypathlist.insert(0, rlib) |
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os.environ['RAYPATH'] = os.pathsep.join(raypathlist) |
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|
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pyradlib = None |
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for rp in raypathlist: |
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prd = os.path.join(rp, 'pyradlib') |
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if os.path.isdir(prd) or os.path.islink(prd): |
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if rp not in sys.path: |
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sys.path.insert(0, rp) |
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pyradlib = prd |
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if not pyradlib: |
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raise Error('Python support library directory "pyradlib" not found on RAYPATH') |
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|
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# Since this here is the best place to figure out where |
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# everything is, we create an ad-hoc module to hold directory |
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# paths and functions for creating file paths. |
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# The individual test cases can then "import testsupport" to |
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# get access to the complete information. |
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supmod = types.ModuleType(str('testsupport')) |
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datadir = os.path.join(self.thisdir, 'test data') |
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supmod.bindir = self.bindir |
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supmod.datadir = datadir |
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supmod.datafile = lambda fn,*ffn: os.path.join(datadir, fn, *ffn) |
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supmod.path = pathlist |
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supmod.radlib = self.radlib |
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supmod.raypath = raypathlist |
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supmod.pyradlib = pyradlib |
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sys.modules['testsupport'] = supmod |
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|
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self._run_all() |
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finally: |
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if hasattr(sys.modules, 'testsupport'): |
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del sys.modules['testsupport'] |
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os.environ = old_osenv |
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sys.path = old_syspath |
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|
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def _run_all(self): |
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runner = unittest.TextTestRunner(verbosity=self.V) |
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if self.testcats: |
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cats = self.testcats |
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else: cats = TESTCATS |
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for dir in cats: |
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loader = unittest.defaultTestLoader |
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fulldir = os.path.join(self.testdir, dir) |
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if not os.path.isdir(fulldir): |
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raise Error('No such directory: "%s"' % fulldir) |
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suite = loader.discover(fulldir, 'test_*.py', |
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top_level_dir=self.thisdir) |
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count = suite.countTestCases() |
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if count: |
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print('\n--', dir, '----', file=sys.stderr) |
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runner.run(suite) |
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|
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|
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def main(): |
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'''Main function for invocation as script. See usage instructions with -H''' |
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parser = argparse.ArgumentParser(add_help=False, |
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description='Run Radiance test suite',) |
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parser.add_argument('-V', action='store_true', |
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help='Verbose: Print all executed test cases to stderr') |
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parser.add_argument('-H', action='help', |
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help='Help: print this text to stderr and exit') |
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parser.add_argument('-p', action='store', nargs=1, |
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dest='bindir', metavar='bindir', help='Path to Radiance binaries') |
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parser.add_argument('-l', action='store', nargs=1, |
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dest='radlib', metavar='radlib', help='Path to Radiance library') |
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parser.add_argument('-c', action='store', nargs=1, |
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dest='cat', metavar='cat', help='Category of tests to run (else all)') |
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args = parser.parse_args() |
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RadianceTests(**vars(args)) |
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|
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|
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if __name__ == '__main__': |
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try: main() |
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except KeyboardInterrupt: |
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sys.stderr.write('*cancelled*\n') |
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exit(1) |
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except Error as e: |
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sys.stderr.write('%s: %s\n' % (SHORTPROGN, str(e))) |
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exit(-1) |
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|
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# vi: set ts=4 sw=4 : |
