def checkDependencies(self):
"""
Check that all the dependencies of the test are satisfied.
@raise NotSupported: If any one of the dependencies is not satisfied.
"""
js = findJavascriptInterpreter()
if js is None:
raise NotSupported("Could not find JavaScript interpreter")
if subunit is None:
raise NotSupported("Could not import 'subunit'")
def setJavascriptInterpreterOrSkip(testCase):
"""
If we're unable to find a javascript interpreter (currently we only look
for smjs or js) then set the C{skip} attribute on C{testCase}. Otherwise
assign the path to the interpreter executable to
C{testCase.javascriptInterpreter}
"""
script = findJavascriptInterpreter()
if script is None:
testCase.skip = "No JavaScript interpreter available."
else:
testCase.javascriptInterpreter = script
def setJavascriptInterpreterOrSkip(testCase):
"""
If we're unable to find a javascript interpreter (currently we only look
for smjs or js) then set the C{skip} attribute on C{testCase}. Otherwise
assign the path to the interpreter executable to
C{testCase.javascriptInterpreter}
"""
script = findJavascriptInterpreter()
if script is None:
testCase.skip = "No JavaScript interpreter available."
else:
testCase.javascriptInterpreter = script
def findJavascriptInterpreter(self):
"""
@see L{nevow.jsutil.findJavascriptInterpreter}
"""
return findJavascriptInterpreter()
def findJavascriptInterpreter(self):
"""
@see: L{nevow.jsutil.findJavascriptInterpreter}
"""
return findJavascriptInterpreter()
class JavaScriptTestCase(TrialTestCase):
def __init__(self, methodName='runTest'):
TrialTestCase.__init__(self, methodName)
self.testMethod = getattr(self, methodName)
def checkDependencies(self):
"""
Check that all the dependencies of the test are satisfied.
@raise NotSupported: If any one of the dependencies is not satisfied.
"""
js = findJavascriptInterpreter()
if js is None:
raise NotSupported("Could not find JavaScript interpreter")
if subunit is None:
raise NotSupported("Could not import 'subunit'")
def _writeToTemp(self, contents):
fname = self.mktemp()
fd = file(fname, 'w')
try:
fd.write(contents)
finally:
fd.close()
return fname
def makeScript(self, testModule):
js = """
// import Divmod.UnitTest
// import %(module)s
Divmod.UnitTest.runRemote(Divmod.UnitTest.loadFromModule(%(module)s));
""" % {
'module': testModule
}
jsfile = self._writeToTemp(js)
scriptFile = self._writeToTemp(generateTestScript(jsfile))
return scriptFile
def _runWithSigchild(self, f, *a, **kw):
"""
Run the given function with an alternative SIGCHLD handler.
"""
oldHandler = signal.signal(signal.SIGCHLD, signal.SIG_DFL)
try:
return f(*a, **kw)
finally:
signal.signal(signal.SIGCHLD, oldHandler)
def run(self, result):
try:
self.checkDependencies()
except NotSupported, e:
result.startTest(self)
result.addSkip(self, str(e))
result.stopTest(self)
return
js = findJavascriptInterpreter()
script = self.makeScript(self.testMethod())
server = subunit.TestProtocolServer(result)
protocol = TestProtocolLineReceiverServer(server)
# What this *SHOULD BE*
# spawnProcess(protocol, js, (script,))
# return protocol.someDisconnectCallback()
# However, *run cannot return a Deferred profanity profanity profanity
# profanity*, so instead it is *profanity* this:
def run():
r, w = popen2([js, script])
while True:
bytes = r.read(4096)
if bytes:
protocol.dataReceived(bytes)
else:
break
self._runWithSigchild(run)
