ray/test/run_tests.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
''' run_tests.py - Run Radiance test suite
2013 - 2016 Georg Mischler

Invocation:
  As script, call with -H for instructions.
  As module, see docstrings in class RadianceTests for instructions.
'''
from __future__ import division, print_function, unicode_literals
__all__ = ['TESTCATS', 'RadianceTests', 'main']
import os
import sys
import types
import argparse
import unittest

SHORTPROGN = os.path.splitext(os.path.basename(sys.argv[0]))[0]
TESTCATS = ('pyrad','cal','cv','gen','hd','meta','ot','px', 'rt','util',)

class Error(Exception): pass

class RadianceTests():
        '''Test Radiance programs below subdirectory "testcases" recursively.

        This class will create a virtual module "testsupport" with constants
        and functions for use in individual test cases.

          bindir   - list of paths added to PATH
          path     - complete list of paths currently in PATH
          radlib   - list of paths added to RAYPATH
          raypath  - complete list of paths currently in RAYPATH
          pyradlib - absolute path of python support library directory
          datadir  - absolute path of test data directory
          datafile([sub, [sub,]] fn) - return absolute file path in
                data directory or in a subdirectory
        '''
        def __init__(self, **args):
                '''Args are:
                   bindir=[directory ...] - will be prepended to PATH for tests
                   radlib=[directory ...] - will be prepended to RAYPATH for tests
                   cat=[category ...]     - only test those categories (else TESTCATS)
                   V=False                - if True, verbose listing of executed tests
                '''
                self.bindir = args.get('bindir')
                self.radlib = args.get('radlib')
                self.testcats = args.get('cat')
                self.V = 2 if args.get('V') else 1
                try:
                        old_osenv = os.environ

                        thisfile = os.path.abspath(__file__)
                        self.thisdir = os.path.split(thisfile)[0]
                        self.testdir = os.path.join(self.thisdir, 'testcases')
                        old_syspath = sys.path
                        if self.testdir not in sys.path:
                                sys.path.insert(0, self.testdir)

                        oldpath = old_osenv.get('PATH', '')
                        pathlist = oldpath.split(os.pathsep)
                        if self.bindir:
                                for bdir in self.bindir:
                                        if bdir not in pathlist:
                                                pathlist.insert(0, bdir)
                                os.environ['PATH'] = os.pathsep.join(pathlist)

                        oldraypath = old_osenv.get('RAYPATH', '')
                        raypathlist = oldraypath.split(os.pathsep)
                        if self.radlib:
                                for rlib in self.radlib:
                                        if rlib not in raypathlist:
                                                raypathlist.insert(0, rlib)
                                os.environ['RAYPATH'] = os.pathsep.join(raypathlist)

                        pyradlib = None
                        for rp in raypathlist:
                                prd = os.path.join(rp, 'pyradlib')
                                #print(prd)
                                if os.path.isdir(prd) or os.path.islink(prd):
                                        #print('--- found !!!')
                                        if rp not in sys.path:
                                                sys.path.insert(0, rp)
                                        pyradlib = prd
                        if not pyradlib:
                                raise Error('Python support library directory "pyradlib" not found on RAYPATH')

                        # Since this here is the best place to figure out where
                        # everything is, we create an ad-hoc module to hold directory
                        # paths and functions for creating file paths.
                        # The individual test cases can then "import testsupport" to
                        # get access to the complete information.
                        supmod = types.ModuleType(str('testsupport'))
                        datadir = os.path.join(self.thisdir, 'test data')
                        supmod.bindir = self.bindir
                        supmod.datadir = datadir
                        supmod.datafile = lambda fn,*ffn: os.path.join(datadir, fn, *ffn)
                        supmod.path = pathlist
                        supmod.radlib = self.radlib
                        supmod.raypath = raypathlist
                        supmod.pyradlib = pyradlib
                        sys.modules['testsupport'] = supmod

                        self._run_all()
                finally:
                        if hasattr(sys.modules, 'testsupport'):
                                del sys.modules['testsupport']
                        os.environ = old_osenv
                        sys.path = old_syspath

        def _run_all(self):
                runner = unittest.TextTestRunner(verbosity=self.V)
                if self.testcats:
                        cats = self.testcats
                else: cats = TESTCATS
                for dir in cats:
                        loader = unittest.defaultTestLoader
                        fulldir = os.path.join(self.testdir, dir)
                        if not os.path.isdir(fulldir):
                                raise Error('No such directory: "%s"' % fulldir)
                        suite = loader.discover(fulldir, 'test*.py',
                                        top_level_dir=self.thisdir)
                        count = suite.countTestCases()
                        if count:
                                print('\n--', dir, '----', file=sys.stderr)
                                runner.run(suite)


def main():
        '''Main function for invocation as script. See usage instructions with -H'''
        parser = argparse.ArgumentParser(add_help=False,
                description='Run Radiance test suite',)
        parser.add_argument('-V', action='store_true',
                help='Verbose: Print all executed test cases to stderr')
        parser.add_argument('-H', action='help',
                help='Help: print this text to stderr and exit')
        parser.add_argument('-p', action='store', nargs=1,
                dest='bindir', metavar='bindir', help='Path to Radiance binaries')
        parser.add_argument('-l', action='store', nargs=1,
                dest='radlib', metavar='radlib', help='Path to Radiance library')
        parser.add_argument('-c', action='store', nargs=1,
                dest='cat', metavar='cat', help='Category of tests to run (else all)')
        args = parser.parse_args()
        RadianceTests(**vars(args))


if __name__ == '__main__':
        try: main()
        except KeyboardInterrupt:
                sys.stderr.write('*cancelled*\n')
                exit(1)
        except Error as e:
                sys.stderr.write('%s: %s\n' % (SHORTPROGN, str(e)))
                exit(-1)

# vi: set ts=4 sw=4 :
Revision:	1.4
Committed:	Wed Mar 30 18:09:00 2016 UTC (8 years, 1 month ago) by schorsch
Content type:	text/x-python
Branch:	MAIN
Changes since 1.3:	+8 -8 lines
Log Message:	The test utilities need testing (and some fixing) as well.
#	User	Rev	Content
1	schorsch	1.3	#!/usr/bin/env python
2			# -- coding: utf-8 --
3			''' run_tests.py - Run Radiance test suite
4			2013 - 2016 Georg Mischler
5
6			Invocation:
7			As script, call with -H for instructions.
8			As module, see docstrings in class RadianceTests for instructions.
9			'''
10			from __future__ import division, print_function, unicode_literals
11			__all__ = ['TESTCATS', 'RadianceTests', 'main']
12			import os
13			import sys
14			import types
15			import argparse
16			import unittest
17
18			SHORTPROGN = os.path.splitext(os.path.basename(sys.argv[0]))[0]
19	schorsch	1.4	TESTCATS = ('pyrad','cal','cv','gen','hd','meta','ot','px', 'rt','util',)
20	schorsch	1.3
21			class Error(Exception): pass
22
23			class RadianceTests():
24			'''Test Radiance programs below subdirectory "testcases" recursively.
25
26			This class will create a virtual module "testsupport" with constants
27			and functions for use in individual test cases.
28
29	schorsch	1.4	bindir - list of paths added to PATH
30			path - complete list of paths currently in PATH
31			radlib - list of paths added to RAYPATH
32			raypath - complete list of paths currently in RAYPATH
33			pyradlib - absolute path of python support library directory
34			datadir - absolute path of test data directory
35			datafile([sub, [sub,]] fn) - return absolute file path in
36	schorsch	1.3	data directory or in a subdirectory
37			'''
38			def __init__(self, **args):
39			'''Args are:
40			bindir=[directory ...] - will be prepended to PATH for tests
41			radlib=[directory ...] - will be prepended to RAYPATH for tests
42			cat=[category ...] - only test those categories (else TESTCATS)
43			V=False - if True, verbose listing of executed tests
44			'''
45			self.bindir = args.get('bindir')
46			self.radlib = args.get('radlib')
47			self.testcats = args.get('cat')
48			self.V = 2 if args.get('V') else 1
49			try:
50			old_osenv = os.environ
51	schorsch	1.1
52	schorsch	1.3	thisfile = os.path.abspath(__file__)
53			self.thisdir = os.path.split(thisfile)[0]
54			self.testdir = os.path.join(self.thisdir, 'testcases')
55			old_syspath = sys.path
56			if self.testdir not in sys.path:
57			sys.path.insert(0, self.testdir)
58
59			oldpath = old_osenv.get('PATH', '')
60			pathlist = oldpath.split(os.pathsep)
61			if self.bindir:
62			for bdir in self.bindir:
63			if bdir not in pathlist:
64			pathlist.insert(0, bdir)
65			os.environ['PATH'] = os.pathsep.join(pathlist)
66
67			oldraypath = old_osenv.get('RAYPATH', '')
68			raypathlist = oldraypath.split(os.pathsep)
69			if self.radlib:
70			for rlib in self.radlib:
71			if rlib not in raypathlist:
72			raypathlist.insert(0, rlib)
73			os.environ['RAYPATH'] = os.pathsep.join(raypathlist)
74
75			pyradlib = None
76			for rp in raypathlist:
77			prd = os.path.join(rp, 'pyradlib')
78			#print(prd)
79			if os.path.isdir(prd) or os.path.islink(prd):
80			#print('--- found !!!')
81			if rp not in sys.path:
82			sys.path.insert(0, rp)
83			pyradlib = prd
84			if not pyradlib:
85			raise Error('Python support library directory "pyradlib" not found on RAYPATH')
86
87			# Since this here is the best place to figure out where
88			# everything is, we create an ad-hoc module to hold directory
89			# paths and functions for creating file paths.
90			# The individual test cases can then "import testsupport" to
91			# get access to the complete information.
92			supmod = types.ModuleType(str('testsupport'))
93			datadir = os.path.join(self.thisdir, 'test data')
94			supmod.bindir = self.bindir
95			supmod.datadir = datadir
96			supmod.datafile = lambda fn,ffn: os.path.join(datadir, fn, ffn)
97			supmod.path = pathlist
98			supmod.radlib = self.radlib
99			supmod.raypath = raypathlist
100			supmod.pyradlib = pyradlib
101			sys.modules['testsupport'] = supmod
102
103			self._run_all()
104			finally:
105			if hasattr(sys.modules, 'testsupport'):
106			del sys.modules['testsupport']
107			os.environ = old_osenv
108			sys.path = old_syspath
109
110			def _run_all(self):
111			runner = unittest.TextTestRunner(verbosity=self.V)
112			if self.testcats:
113			cats = self.testcats
114			else: cats = TESTCATS
115			for dir in cats:
116			loader = unittest.defaultTestLoader
117			fulldir = os.path.join(self.testdir, dir)
118			if not os.path.isdir(fulldir):
119			raise Error('No such directory: "%s"' % fulldir)
120			suite = loader.discover(fulldir, 'test*.py',
121			top_level_dir=self.thisdir)
122			count = suite.countTestCases()
123			if count:
124			print('\n--', dir, '----', file=sys.stderr)
125			runner.run(suite)
126
127
128			def main():
129			'''Main function for invocation as script. See usage instructions with -H'''
130			parser = argparse.ArgumentParser(add_help=False,
131			description='Run Radiance test suite',)
132			parser.add_argument('-V', action='store_true',
133			help='Verbose: Print all executed test cases to stderr')
134			parser.add_argument('-H', action='help',
135			help='Help: print this text to stderr and exit')
136			parser.add_argument('-p', action='store', nargs=1,
137			dest='bindir', metavar='bindir', help='Path to Radiance binaries')
138			parser.add_argument('-l', action='store', nargs=1,
139			dest='radlib', metavar='radlib', help='Path to Radiance library')
140			parser.add_argument('-c', action='store', nargs=1,
141			dest='cat', metavar='cat', help='Category of tests to run (else all)')
142			args = parser.parse_args()
143			RadianceTests(**vars(args))
144	schorsch	1.1
145
146			if __name__ == '__main__':
147	schorsch	1.3	try: main()
148			except KeyboardInterrupt:
149			sys.stderr.write('cancelled\n')
150			exit(1)
151			except Error as e:
152			sys.stderr.write('%s: %s\n' % (SHORTPROGN, str(e)))
153			exit(-1)
154	schorsch	1.1
155	schorsch	1.3	# vi: set ts=4 sw=4 :