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authorLuca Falavigna <dktrkranz@debian.org>2010-01-02 20:56:35 +0100
committerLuca Falavigna <dktrkranz@debian.org>2010-01-02 20:56:35 +0100
commit64c458487151933ee0ba093cf4ac69e177d9be37 (patch)
treef6e3755704f53406eea85532e4ffe5d5ef50b7f0 /src/engine/SCons/Variables/VariablesTests.py
parent2aec9cc58398cac1376509a7d75edb83b41f984e (diff)
parent72c578fd4b0b4a5a43e18594339ac4ff26c376dc (diff)
Merge commit 'upstream/1.2.0.d20091224'
Diffstat (limited to 'src/engine/SCons/Variables/VariablesTests.py')
-rw-r--r--src/engine/SCons/Variables/VariablesTests.py663
1 files changed, 663 insertions, 0 deletions
diff --git a/src/engine/SCons/Variables/VariablesTests.py b/src/engine/SCons/Variables/VariablesTests.py
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+++ b/src/engine/SCons/Variables/VariablesTests.py
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+#
+# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 The SCons Foundation
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "src/engine/SCons/Variables/VariablesTests.py 4577 2009/12/27 19:44:43 scons"
+
+import sys
+import unittest
+import TestSCons
+
+import SCons.Variables
+import SCons.Subst
+import SCons.Warnings
+
+
+class Environment:
+ def __init__(self):
+ self.dict = {}
+ def subst(self, x):
+ return SCons.Subst.scons_subst(x, self, gvars=self.dict)
+ def __setitem__(self, key, value):
+ self.dict[key] = value
+ def __getitem__(self, key):
+ return self.dict[key]
+ def has_key(self, key):
+ return self.dict.has_key(key)
+
+
+def check(key, value, env):
+ assert int(value) == 6 * 9, "key %s = %s" % (key, repr(value))
+
+# Check saved option file by executing and comparing against
+# the expected dictionary
+def checkSave(file, expected):
+ gdict = {}
+ ldict = {}
+ exec open(file, 'rU').read() in gdict, ldict
+ assert expected == ldict, "%s\n...not equal to...\n%s" % (expected, ldict)
+
+class VariablesTestCase(unittest.TestCase):
+
+ def test_keys(self):
+ """Test the Variables.keys() method"""
+ opts = SCons.Variables.Variables()
+
+ opts.Add('VAR1')
+ opts.Add('VAR2',
+ 'THE answer to THE question',
+ "42",
+ check,
+ lambda x: int(x) + 12)
+ keys = opts.keys()
+ assert keys == ['VAR1', 'VAR2'], keys
+
+ def test_Add(self):
+ """Test adding to a Variables object"""
+ opts = SCons.Variables.Variables()
+
+ opts.Add('VAR')
+ opts.Add('ANSWER',
+ 'THE answer to THE question',
+ "42",
+ check,
+ lambda x: int(x) + 12)
+
+ o = opts.options[0]
+ assert o.key == 'VAR'
+ assert o.help == ''
+ assert o.default is None
+ assert o.validator is None
+ assert o.converter is None
+
+ o = opts.options[1]
+ assert o.key == 'ANSWER'
+ assert o.help == 'THE answer to THE question'
+ assert o.default == "42"
+ o.validator(o.key, o.converter(o.default), {})
+
+ def test_it(var, opts=opts):
+ exc_caught = None
+ try:
+ opts.Add(var)
+ except SCons.Errors.UserError:
+ exc_caught = 1
+ assert exc_caught, "did not catch UserError for '%s'" % var
+ test_it('foo/bar')
+ test_it('foo-bar')
+ test_it('foo.bar')
+
+ def test_AddVariables(self):
+ """Test adding a list of options to a Variables object"""
+ opts = SCons.Variables.Variables()
+
+ opts.AddVariables(('VAR2',),
+ ('ANSWER2',
+ 'THE answer to THE question',
+ "42",
+ check,
+ lambda x: int(x) + 12))
+
+ o = opts.options[0]
+ assert o.key == 'VAR2', o.key
+ assert o.help == '', o.help
+ assert o.default is None, o.default
+ assert o.validator is None, o.validator
+ assert o.converter is None, o.converter
+
+ o = opts.options[1]
+ assert o.key == 'ANSWER2', o.key
+ assert o.help == 'THE answer to THE question', o.help
+ assert o.default == "42", o.default
+ o.validator(o.key, o.converter(o.default), {})
+
+ def test_Update(self):
+ """Test updating an Environment"""
+
+ # Test that a default value is validated correctly.
+ test = TestSCons.TestSCons()
+ file = test.workpath('custom.py')
+ opts = SCons.Variables.Variables(file)
+
+ opts.Add('ANSWER',
+ 'THE answer to THE question',
+ "42",
+ check,
+ lambda x: int(x) + 12)
+
+ env = Environment()
+ opts.Update(env)
+ assert env['ANSWER'] == 54
+
+ env = Environment()
+ opts.Update(env, {})
+ assert env['ANSWER'] == 54
+
+ # Test that a bad value from the file is used and
+ # validation fails correctly.
+ test = TestSCons.TestSCons()
+ file = test.workpath('custom.py')
+ test.write('custom.py', 'ANSWER=54')
+ opts = SCons.Variables.Variables(file)
+
+ opts.Add('ANSWER',
+ 'THE answer to THE question',
+ "42",
+ check,
+ lambda x: int(x) + 12)
+
+ env = Environment()
+ exc_caught = None
+ try:
+ opts.Update(env)
+ except AssertionError:
+ exc_caught = 1
+ assert exc_caught, "did not catch expected assertion"
+
+ env = Environment()
+ exc_caught = None
+ try:
+ opts.Update(env, {})
+ except AssertionError:
+ exc_caught = 1
+ assert exc_caught, "did not catch expected assertion"
+
+ # Test that a good value from the file is used and validated.
+ test = TestSCons.TestSCons()
+ file = test.workpath('custom.py')
+ test.write('custom.py', 'ANSWER=42')
+ opts = SCons.Variables.Variables(file)
+
+ opts.Add('ANSWER',
+ 'THE answer to THE question',
+ "10",
+ check,
+ lambda x: int(x) + 12)
+
+ env = Environment()
+ opts.Update(env)
+ assert env['ANSWER'] == 54
+
+ env = Environment()
+ opts.Update(env, {})
+ assert env['ANSWER'] == 54
+
+ # Test that a bad value from an args dictionary passed to
+ # Update() is used and validation fails correctly.
+ test = TestSCons.TestSCons()
+ file = test.workpath('custom.py')
+ test.write('custom.py', 'ANSWER=10')
+ opts = SCons.Variables.Variables(file)
+
+ opts.Add('ANSWER',
+ 'THE answer to THE question',
+ "12",
+ check,
+ lambda x: int(x) + 12)
+
+ env = Environment()
+ exc_caught = None
+ try:
+ opts.Update(env, {'ANSWER':'54'})
+ except AssertionError:
+ exc_caught = 1
+ assert exc_caught, "did not catch expected assertion"
+
+ # Test that a good value from an args dictionary
+ # passed to Update() is used and validated.
+ test = TestSCons.TestSCons()
+ file = test.workpath('custom.py')
+ test.write('custom.py', 'ANSWER=10')
+ opts = SCons.Variables.Variables(file)
+
+ opts.Add('ANSWER',
+ 'THE answer to THE question',
+ "12",
+ check,
+ lambda x: int(x) + 12)
+
+ env = Environment()
+ opts.Update(env, {'ANSWER':'42'})
+ assert env['ANSWER'] == 54
+
+ # Test against a former bug. If we supply a converter,
+ # but no default, the value should *not* appear in the
+ # Environment if no value is specified in the options file
+ # or args.
+ test = TestSCons.TestSCons()
+ file = test.workpath('custom.py')
+ opts = SCons.Variables.Variables(file)
+
+ opts.Add('ANSWER',
+ help='THE answer to THE question',
+ converter=str)
+
+ env = Environment()
+ opts.Update(env, {})
+ assert not env.has_key('ANSWER')
+
+ # Test that a default value of None is all right.
+ test = TestSCons.TestSCons()
+ file = test.workpath('custom.py')
+ opts = SCons.Variables.Variables(file)
+
+ opts.Add('ANSWER',
+ "This is the answer",
+ None,
+ check)
+
+ env = Environment()
+ opts.Update(env, {})
+ assert not env.has_key('ANSWER')
+
+ def test_args(self):
+ """Test updating an Environment with arguments overridden"""
+
+ # Test that a bad (command-line) argument is used
+ # and the validation fails correctly.
+ test = TestSCons.TestSCons()
+ file = test.workpath('custom.py')
+ test.write('custom.py', 'ANSWER=42')
+ opts = SCons.Variables.Variables(file, {'ANSWER':54})
+
+ opts.Add('ANSWER',
+ 'THE answer to THE question',
+ "42",
+ check,
+ lambda x: int(x) + 12)
+
+ env = Environment()
+ exc_caught = None
+ try:
+ opts.Update(env)
+ except AssertionError:
+ exc_caught = 1
+ assert exc_caught, "did not catch expected assertion"
+
+ # Test that a good (command-line) argument is used and validated.
+ test = TestSCons.TestSCons()
+ file = test.workpath('custom.py')
+ test.write('custom.py', 'ANSWER=54')
+ opts = SCons.Variables.Variables(file, {'ANSWER':42})
+
+ opts.Add('ANSWER',
+ 'THE answer to THE question',
+ "54",
+ check,
+ lambda x: int(x) + 12)
+
+ env = Environment()
+ opts.Update(env)
+ assert env['ANSWER'] == 54
+
+ # Test that a (command-line) argument is overridden by a dictionary
+ # supplied to Update() and the dictionary value is validated correctly.
+ test = TestSCons.TestSCons()
+ file = test.workpath('custom.py')
+ test.write('custom.py', 'ANSWER=54')
+ opts = SCons.Variables.Variables(file, {'ANSWER':54})
+
+ opts.Add('ANSWER',
+ 'THE answer to THE question',
+ "54",
+ check,
+ lambda x: int(x) + 12)
+
+ env = Environment()
+ opts.Update(env, {'ANSWER':42})
+ assert env['ANSWER'] == 54
+
+ def test_Save(self):
+ """Testing saving Variables"""
+
+ test = TestSCons.TestSCons()
+ cache_file = test.workpath('cached.options')
+ opts = SCons.Variables.Variables()
+
+ def bool_converter(val):
+ if val in [1, 'y']: val = 1
+ if val in [0, 'n']: val = 0
+ return val
+
+ # test saving out empty file
+ opts.Add('OPT_VAL',
+ 'An option to test',
+ 21,
+ None,
+ None)
+ opts.Add('OPT_VAL_2',
+ default='foo')
+ opts.Add('OPT_VAL_3',
+ default=1)
+ opts.Add('OPT_BOOL_0',
+ default='n',
+ converter=bool_converter)
+ opts.Add('OPT_BOOL_1',
+ default='y',
+ converter=bool_converter)
+ opts.Add('OPT_BOOL_2',
+ default=0,
+ converter=bool_converter)
+
+ env = Environment()
+ opts.Update(env, {'OPT_VAL_3' : 2})
+ assert env['OPT_VAL'] == 21, env['OPT_VAL']
+ assert env['OPT_VAL_2'] == 'foo', env['OPT_VAL_2']
+ assert env['OPT_VAL_3'] == 2, env['OPT_VAL_3']
+ assert env['OPT_BOOL_0'] == 0, env['OPT_BOOL_0']
+ assert env['OPT_BOOL_1'] == 1, env['OPT_BOOL_1']
+ assert env['OPT_BOOL_2'] == '0', env['OPT_BOOL_2']
+
+ env['OPT_VAL_2'] = 'bar'
+ env['OPT_BOOL_0'] = 0
+ env['OPT_BOOL_1'] = 1
+ env['OPT_BOOL_2'] = 2
+
+ opts.Save(cache_file, env)
+ checkSave(cache_file, { 'OPT_VAL_2' : 'bar',
+ 'OPT_VAL_3' : 2,
+ 'OPT_BOOL_2' : 2})
+
+ # Test against some old bugs
+ class Foo:
+ def __init__(self, x):
+ self.x = x
+ def __str__(self):
+ return self.x
+
+ test = TestSCons.TestSCons()
+ cache_file = test.workpath('cached.options')
+ opts = SCons.Variables.Variables()
+
+ opts.Add('THIS_USED_TO_BREAK',
+ 'An option to test',
+ "Default")
+
+ opts.Add('THIS_ALSO_BROKE',
+ 'An option to test',
+ "Default2")
+
+ opts.Add('THIS_SHOULD_WORK',
+ 'An option to test',
+ Foo('bar'))
+
+ env = Environment()
+ opts.Update(env, { 'THIS_USED_TO_BREAK' : "Single'Quotes'In'String",
+ 'THIS_ALSO_BROKE' : "\\Escape\nSequences\t",
+ 'THIS_SHOULD_WORK' : Foo('baz') })
+ opts.Save(cache_file, env)
+ checkSave(cache_file, { 'THIS_USED_TO_BREAK' : "Single'Quotes'In'String",
+ 'THIS_ALSO_BROKE' : "\\Escape\nSequences\t",
+ 'THIS_SHOULD_WORK' : 'baz' })
+
+ def test_GenerateHelpText(self):
+ """Test generating the default format help text"""
+ opts = SCons.Variables.Variables()
+
+ opts.Add('ANSWER',
+ 'THE answer to THE question',
+ "42",
+ check,
+ lambda x: int(x) + 12)
+
+ opts.Add('B',
+ 'b - alpha test',
+ "42",
+ check,
+ lambda x: int(x) + 12)
+
+ opts.Add('A',
+ 'a - alpha test',
+ "42",
+ check,
+ lambda x: int(x) + 12)
+
+ env = Environment()
+ opts.Update(env, {})
+
+ expect = """
+ANSWER: THE answer to THE question
+ default: 42
+ actual: 54
+
+B: b - alpha test
+ default: 42
+ actual: 54
+
+A: a - alpha test
+ default: 42
+ actual: 54
+"""
+
+ text = opts.GenerateHelpText(env)
+ assert text == expect, text
+
+ expectAlpha = """
+A: a - alpha test
+ default: 42
+ actual: 54
+
+ANSWER: THE answer to THE question
+ default: 42
+ actual: 54
+
+B: b - alpha test
+ default: 42
+ actual: 54
+"""
+ text = opts.GenerateHelpText(env, sort=cmp)
+ assert text == expectAlpha, text
+
+ def test_FormatVariableHelpText(self):
+ """Test generating custom format help text"""
+ opts = SCons.Variables.Variables()
+
+ def my_format(env, opt, help, default, actual, aliases):
+ return '%s %s %s %s %s\n' % (opt, default, actual, help, aliases)
+
+ opts.FormatVariableHelpText = my_format
+
+ opts.Add('ANSWER',
+ 'THE answer to THE question',
+ "42",
+ check,
+ lambda x: int(x) + 12)
+
+ opts.Add('B',
+ 'b - alpha test',
+ "42",
+ check,
+ lambda x: int(x) + 12)
+
+ opts.Add('A',
+ 'a - alpha test',
+ "42",
+ check,
+ lambda x: int(x) + 12)
+
+ env = Environment()
+ opts.Update(env, {})
+
+ expect = """\
+ANSWER 42 54 THE answer to THE question ['ANSWER']
+B 42 54 b - alpha test ['B']
+A 42 54 a - alpha test ['A']
+"""
+
+ text = opts.GenerateHelpText(env)
+ assert text == expect, text
+
+ expectAlpha = """\
+A 42 54 a - alpha test ['A']
+ANSWER 42 54 THE answer to THE question ['ANSWER']
+B 42 54 b - alpha test ['B']
+"""
+ text = opts.GenerateHelpText(env, sort=cmp)
+ assert text == expectAlpha, text
+
+ def test_Aliases(self):
+ """Test option aliases"""
+ # test alias as a tuple
+ opts = SCons.Variables.Variables()
+ opts.AddVariables(
+ (('ANSWER', 'ANSWERALIAS'),
+ 'THE answer to THE question',
+ "42"),
+ )
+
+ env = Environment()
+ opts.Update(env, {'ANSWER' : 'answer'})
+
+ assert env.has_key('ANSWER')
+
+ env = Environment()
+ opts.Update(env, {'ANSWERALIAS' : 'answer'})
+
+ assert env.has_key('ANSWER') and not env.has_key('ANSWERALIAS')
+
+ # test alias as a list
+ opts = SCons.Variables.Variables()
+ opts.AddVariables(
+ (['ANSWER', 'ANSWERALIAS'],
+ 'THE answer to THE question',
+ "42"),
+ )
+
+ env = Environment()
+ opts.Update(env, {'ANSWER' : 'answer'})
+
+ assert env.has_key('ANSWER')
+
+ env = Environment()
+ opts.Update(env, {'ANSWERALIAS' : 'answer'})
+
+ assert env.has_key('ANSWER') and not env.has_key('ANSWERALIAS')
+
+
+
+class UnknownVariablesTestCase(unittest.TestCase):
+
+ def test_unknown(self):
+ """Test the UnknownVariables() method"""
+ opts = SCons.Variables.Variables()
+
+ opts.Add('ANSWER',
+ 'THE answer to THE question',
+ "42")
+
+ args = {
+ 'ANSWER' : 'answer',
+ 'UNKNOWN' : 'unknown',
+ }
+
+ env = Environment()
+ opts.Update(env, args)
+
+ r = opts.UnknownVariables()
+ assert r == {'UNKNOWN' : 'unknown'}, r
+ assert env['ANSWER'] == 'answer', env['ANSWER']
+
+ def test_AddOptionUpdatesUnknown(self):
+ """Test updating of the 'unknown' dict"""
+ opts = SCons.Variables.Variables()
+
+ opts.Add('A',
+ 'A test variable',
+ "1")
+
+ args = {
+ 'A' : 'a',
+ 'ADDEDLATER' : 'notaddedyet',
+ }
+
+ env = Environment()
+ opts.Update(env,args)
+
+ r = opts.UnknownVariables()
+ assert r == {'ADDEDLATER' : 'notaddedyet'}, r
+ assert env['A'] == 'a', env['A']
+
+ opts.Add('ADDEDLATER',
+ 'An option not present initially',
+ "1")
+
+ args = {
+ 'A' : 'a',
+ 'ADDEDLATER' : 'added',
+ }
+
+ opts.Update(env, args)
+
+ r = opts.UnknownVariables()
+ assert len(r) == 0, r
+ assert env['ADDEDLATER'] == 'added', env['ADDEDLATER']
+
+ def test_AddOptionWithAliasUpdatesUnknown(self):
+ """Test updating of the 'unknown' dict (with aliases)"""
+ opts = SCons.Variables.Variables()
+
+ opts.Add('A',
+ 'A test variable',
+ "1")
+
+ args = {
+ 'A' : 'a',
+ 'ADDEDLATERALIAS' : 'notaddedyet',
+ }
+
+ env = Environment()
+ opts.Update(env,args)
+
+ r = opts.UnknownVariables()
+ assert r == {'ADDEDLATERALIAS' : 'notaddedyet'}, r
+ assert env['A'] == 'a', env['A']
+
+ opts.AddVariables(
+ (('ADDEDLATER', 'ADDEDLATERALIAS'),
+ 'An option not present initially',
+ "1"),
+ )
+
+ args['ADDEDLATERALIAS'] = 'added'
+
+ opts.Update(env, args)
+
+ r = opts.UnknownVariables()
+ assert len(r) == 0, r
+ assert env['ADDEDLATER'] == 'added', env['ADDEDLATER']
+
+
+if __name__ == "__main__":
+ suite = unittest.TestSuite()
+ tclasses = [ VariablesTestCase,
+ UnknownVariablesTestCase ]
+ for tclass in tclasses:
+ names = unittest.getTestCaseNames(tclass, 'test_')
+ suite.addTests(map(tclass, names))
+ if not unittest.TextTestRunner().run(suite).wasSuccessful():
+ sys.exit(1)
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4: