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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
import unittest
import TestCmd
import SCons.Sig
import SCons.Sig.MD5
import SCons.Sig.TimeStamp
import sys
class DummyFile:
"""A class that simulates a file for testing purposes"""
def __init__(self, path, contents, timestamp, derived):
self.path = path
self.contents = contents
self.timestamp = timestamp
self.derived = derived
def modify(self, contents, timestamp):
self.contents = contents
self.timestamp = timestamp
class DummyNode:
"""A node workalike for testing purposes"""
def __init__(self, file):
self.file = file
self.path = file.path
self.derived = file.derived
self.depends = []
def get_contents(self):
# a file that doesn't exist has no contents:
assert self.exists()
return self.file.contents
def get_timestamp(self):
# a file that doesn't exist has no timestamp:
assert self.exists()
return self.file.timestamp
def exists(self):
return not self.file.contents is None
def has_signature(self):
return hasattr(self, "sig")
def set_signature(self, sig):
self.sig = sig
def get_signature(self):
return self.sig
def create_files(test):
args = [(test.workpath('f1.c'), 'blah blah', 111, 0), #0
(test.workpath('f1'), None, 0, 1), #1
(test.workpath('d1/f1.c'), 'blah blah', 111, 0), #2
(test.workpath('d1/f1.h'), 'blah blah', 111, 0), #3
(test.workpath('d1/f2.c'), 'blah blah', 111, 0), #4
(test.workpath('d1/f3.h'), 'blah blah', 111, 0), #5
(test.workpath('d1/f4.h'), 'blah blah', 111, 0), #6
(test.workpath('d1/f1'), None, 0, 1), #7
(test.workpath('d1/test.c'), 'blah blah', 111, 0),#8
(test.workpath('d1/test.o'), None, 0, 1), #9
(test.workpath('d1/test'), None, 0, 1)] #10
files = map(lambda x: apply(DummyFile, x), args)
return files
def create_nodes(files):
nodes = map(DummyNode, files)
nodes[0].sources = []
nodes[1].sources = [nodes[0]]
nodes[2].sources = [nodes[3]]
nodes[3].sources = []
nodes[4].sources = [nodes[5]]
nodes[5].sources = [nodes[6]]
nodes[6].sources = [nodes[5]]
nodes[7].sources = [nodes[2], nodes[4]]
nodes[8].sources = []
nodes[9].sources = [nodes[8]]
nodes[10].sources = [nodes[9]]
return nodes
class SigTestBase:
def runTest(self):
test = TestCmd.TestCmd(workdir = '')
test.subdir('d1')
self.files = create_files(test)
self.test_initial()
self.test_built()
self.test_modify()
self.test_delete()
def test_initial(self):
nodes = create_nodes(self.files)
calc = SCons.Sig.Calculator(self.module)
for node in nodes:
self.failUnless(not calc.current(node), "none of the nodes should be current")
# simulate a build:
self.files[1].modify('built', 222)
self.files[7].modify('built', 222)
self.files[9].modify('built', 222)
self.files[10].modify('built', 222)
calc.write(nodes)
def test_built(self):
nodes = create_nodes(self.files)
calc = SCons.Sig.Calculator(self.module)
for node in nodes:
self.failUnless(calc.current(node), "all of the nodes should be current")
calc.write(nodes)
def test_modify(self):
nodes = create_nodes(self.files)
#simulate a modification of some files
self.files[0].modify('blah blah blah', 333)
self.files[3].modify('blah blah blah', 333)
self.files[6].modify('blah blah blah', 333)
self.files[8].modify('blah blah blah', 333)
calc = SCons.Sig.Calculator(self.module)
self.failUnless(not calc.current(nodes[0]), "modified directly")
self.failUnless(not calc.current(nodes[1]), "direct source modified")
self.failUnless(calc.current(nodes[2]))
self.failUnless(not calc.current(nodes[3]), "modified directly")
self.failUnless(calc.current(nodes[4]))
self.failUnless(calc.current(nodes[5]))
self.failUnless(not calc.current(nodes[6]), "modified directly")
self.failUnless(not calc.current(nodes[7]), "indirect source modified")
self.failUnless(not calc.current(nodes[8]), "modified directory")
self.failUnless(not calc.current(nodes[9]), "direct source modified")
self.failUnless(not calc.current(nodes[10]), "indirect source modified")
calc.write(nodes)
def test_delete(self):
nodes = create_nodes(self.files)
#simulate the deletion of some files
self.files[1].modify(None, 0)
self.files[7].modify(None, 0)
self.files[9].modify(None, 0)
calc = SCons.Sig.Calculator(self.module)
self.failUnless(calc.current(nodes[0]))
self.failUnless(not calc.current(nodes[1]), "deleted")
self.failUnless(calc.current(nodes[2]))
self.failUnless(calc.current(nodes[3]))
self.failUnless(calc.current(nodes[4]))
self.failUnless(calc.current(nodes[5]))
self.failUnless(calc.current(nodes[6]))
self.failUnless(not calc.current(nodes[7]), "deleted")
self.failUnless(calc.current(nodes[8]))
self.failUnless(not calc.current(nodes[9]), "deleted")
self.failUnless(calc.current(nodes[10]),
"current even though it's source was deleted")
calc.write(nodes)
class MD5TestCase(unittest.TestCase, SigTestBase):
"""Test MD5 signatures"""
module = SCons.Sig.MD5
class TimeStampTestCase(unittest.TestCase, SigTestBase):
"""Test timestamp signatures"""
module = SCons.Sig.TimeStamp
def suite():
suite = unittest.TestSuite()
suite.addTest(MD5TestCase())
suite.addTest(TimeStampTestCase())
return suite
if __name__ == "__main__":
runner = unittest.TextTestRunner()
result = runner.run(suite())
if not result.wasSuccessful():
sys.exit(1)
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