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comparison test_pymonkey.py @ 46:a0f677cfc679

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Added basic functionality for passing useful exceptions between Python and JS code.
author Atul Varma <varmaa@toolness.com>
date Mon, 06 Jul 2009 01:37:16 -0700
parents 03aec8572461
children 3f4982759e55
comparison
equal deleted inserted replaced
45:03aec8572461 46:a0f677cfc679
1 import sys
1 import unittest 2 import unittest
3
2 import pymonkey 4 import pymonkey
3 5
4 class PymonkeyTests(unittest.TestCase): 6 class PymonkeyTests(unittest.TestCase):
5 def _evaljs(self, code): 7 def _evaljs(self, code):
6 rt = pymonkey.Runtime() 8 rt = pymonkey.Runtime()
15 cx.init_standard_classes(obj) 17 cx.init_standard_classes(obj)
16 jsfunc = cx.new_function(func, func.__name__) 18 jsfunc = cx.new_function(func, func.__name__)
17 cx.define_property(obj, func.__name__, jsfunc) 19 cx.define_property(obj, func.__name__, jsfunc)
18 return cx.evaluate_script(obj, code, '<string>', 1) 20 return cx.evaluate_script(obj, code, '<string>', 1)
19 21
22 def assertRaises(self, exctype, func, *args):
23 was_raised = False
24 try:
25 func(*args)
26 except exctype, e:
27 self.last_exception = e
28 was_raised = True
29 self.assertTrue(was_raised)
30
20 def testJsWrappedPythonFuncPassesContext(self): 31 def testJsWrappedPythonFuncPassesContext(self):
21 contexts = [] 32 contexts = []
22 33
23 def func(cx): 34 def func(cx):
24 contexts.append(cx) 35 contexts.append(cx)
36 def testJsWrappedPythonFunctionReturnsUnicode(self): 47 def testJsWrappedPythonFunctionReturnsUnicode(self):
37 def hai2u(cx): 48 def hai2u(cx):
38 return u"o hai" 49 return u"o hai"
39 self.assertEqual(self._evalJsWrappedPyFunc(hai2u, 'hai2u()'), 50 self.assertEqual(self._evalJsWrappedPyFunc(hai2u, 'hai2u()'),
40 u"o hai") 51 u"o hai")
52
53 def testJsWrappedPythonFunctionThrowsException(self):
54 def hai2u(cx):
55 raise Exception("hello")
56 self.assertRaises(pymonkey.error,
57 self._evalJsWrappedPyFunc,
58 hai2u, 'hai2u()')
59 self.assertEqual(self.last_exception.message,
60 "uncaught exception: hello")
41 61
42 def testJsWrappedPythonFunctionReturnsNone(self): 62 def testJsWrappedPythonFunctionReturnsNone(self):
43 def hai2u(cx): 63 def hai2u(cx):
44 pass 64 pass
45 self.assertEqual(self._evalJsWrappedPyFunc(hai2u, 'hai2u()'), 65 self.assertEqual(self._evalJsWrappedPyFunc(hai2u, 'hai2u()'),
154 cx = rt.new_context() 174 cx = rt.new_context()
155 self.assertEqual(cx.get_runtime(), rt) 175 self.assertEqual(cx.get_runtime(), rt)
156 176
157 def testUndefinedCannotBeInstantiated(self): 177 def testUndefinedCannotBeInstantiated(self):
158 self.assertRaises(TypeError, pymonkey.undefined) 178 self.assertRaises(TypeError, pymonkey.undefined)
179
180 def testEvaluateThrowsException(self):
181 self.assertRaises(pymonkey.error,
182 self._evaljs, 'hai2u()')
183 self.assertEqual(self.last_exception.message,
184 'File "<string>", line 1: ReferenceError: '
185 'hai2u is not defined')
159 186
160 def testEvaluateReturnsUndefined(self): 187 def testEvaluateReturnsUndefined(self):
161 retval = self._evaljs("") 188 retval = self._evaljs("")
162 self.assertTrue(retval is pymonkey.undefined) 189 self.assertTrue(retval is pymonkey.undefined)
163 190
210 obj = cx.evaluate_script( 237 obj = cx.evaluate_script(
211 obj, 238 obj,
212 '(function boop(a, b) { blarg(); })', 239 '(function boop(a, b) { blarg(); })',
213 '<string>', 1 240 '<string>', 1
214 ) 241 )
215 self.assertRaises( 242 self.assertRaises(pymonkey.error,
216 pymonkey.error, 243 cx.call_function,
217 cx.call_function, 244 obj, obj, (1,))
218 obj, obj, (1,) 245 self.assertEqual(self.last_exception.message,
219 ) 246 'File "<string>", line 1: ReferenceError: '
247 'blarg is not defined')
220 248
221 def testCallFunctionWorks(self): 249 def testCallFunctionWorks(self):
222 cx = pymonkey.Runtime().new_context() 250 cx = pymonkey.Runtime().new_context()
223 obj = cx.new_object() 251 obj = cx.new_object()
224 thisArg = cx.new_object() 252 thisArg = cx.new_object()