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## Side by Side Diff: Lib/test/test_richcmp.py

Issue 16510: Using appropriate checks in tests
Patch Set: Created 5 years, 11 months ago
 Left: Base Patch Set 1: None Patch Set 2: None Patch Set 3: None Patch Set 4: None Patch Set 5: None Right: Patch Set 1: None Patch Set 2: None Patch Set 3: None Patch Set 4: None Patch Set 5: None
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1 # Tests for rich comparisons 1 # Tests for rich comparisons
2 2
3 import unittest 3 import unittest
4 from test import support 4 from test import support
5 5
6 import operator 6 import operator
7 7
8 class Number: 8 class Number:
9 9
10 def __init__(self, x): 10 def __init__(self, x):
(...skipping 88 matching lines...)
99 for op in opmap[opname]: 99 for op in opmap[opname]:
100 self.assertRaises(error, op, *args) 100 self.assertRaises(error, op, *args)
101 101
102 def checkequal(self, opname, a, b, expres): 102 def checkequal(self, opname, a, b, expres):
103 for op in opmap[opname]: 103 for op in opmap[opname]:
104 realres = op(a, b) 104 realres = op(a, b)
105 # can't use assertEqual(realres, expres) here 105 # can't use assertEqual(realres, expres) here
106 self.assertEqual(len(realres), len(expres)) 106 self.assertEqual(len(realres), len(expres))
107 for i in range(len(realres)): 107 for i in range(len(realres)):
108 # results are bool, so we can use "is" here 108 # results are bool, so we can use "is" here
109 self.assertTrue(realres[i] is expres[i]) 109 self.assertIs(realres[i], expres[i])
110 110
111 def test_mixed(self): 111 def test_mixed(self):
112 # check that comparisons involving Vector objects 112 # check that comparisons involving Vector objects
113 # which return rich results (i.e. Vectors with itemwise 113 # which return rich results (i.e. Vectors with itemwise
114 # comparison results) work 114 # comparison results) work
115 a = Vector(range(2)) 115 a = Vector(range(2))
116 b = Vector(range(3)) 116 b = Vector(range(3))
117 # all comparisons should fail for different length 117 # all comparisons should fail for different length
118 for opname in opmap: 118 for opname in opmap:
119 self.checkfail(ValueError, opname, a, b) 119 self.checkfail(ValueError, opname, a, b)
(...skipping 36 matching lines...)
156 self.assertEqual(realoutcome, testoutcome) 156 self.assertEqual(realoutcome, testoutcome)
157 157
158 def checkvalue(self, opname, a, b, expres): 158 def checkvalue(self, opname, a, b, expres):
159 for typea in (int, Number): 159 for typea in (int, Number):
160 for typeb in (int, Number): 160 for typeb in (int, Number):
161 ta = typea(a) 161 ta = typea(a)
162 tb = typeb(b) 162 tb = typeb(b)
163 for op in opmap[opname]: 163 for op in opmap[opname]:
164 realres = op(ta, tb) 164 realres = op(ta, tb)
165 realres = getattr(realres, "x", realres) 165 realres = getattr(realres, "x", realres)
166 self.assertTrue(realres is expres) 166 self.assertIs(realres, expres)
167 167
168 def test_values(self): 168 def test_values(self):
169 # check all operators and all comparison results 169 # check all operators and all comparison results
170 self.checkvalue("lt", 0, 0, False) 170 self.checkvalue("lt", 0, 0, False)
171 self.checkvalue("le", 0, 0, True ) 171 self.checkvalue("le", 0, 0, True )
172 self.checkvalue("eq", 0, 0, True ) 172 self.checkvalue("eq", 0, 0, True )
173 self.checkvalue("ne", 0, 0, False) 173 self.checkvalue("ne", 0, 0, False)
174 self.checkvalue("gt", 0, 0, False) 174 self.checkvalue("gt", 0, 0, False)
175 self.checkvalue("ge", 0, 0, True ) 175 self.checkvalue("ge", 0, 0, True )
176 176
(...skipping 54 matching lines...)
231 self.assertRaises(RuntimeError, operator.eq, a, b) 231 self.assertRaises(RuntimeError, operator.eq, a, b)
232 self.assertRaises(RuntimeError, operator.ne, a, b) 232 self.assertRaises(RuntimeError, operator.ne, a, b)
233 self.assertRaises(RuntimeError, operator.lt, a, b) 233 self.assertRaises(RuntimeError, operator.lt, a, b)
234 self.assertRaises(RuntimeError, operator.le, a, b) 234 self.assertRaises(RuntimeError, operator.le, a, b)
235 self.assertRaises(RuntimeError, operator.gt, a, b) 235 self.assertRaises(RuntimeError, operator.gt, a, b)
236 self.assertRaises(RuntimeError, operator.ge, a, b) 236 self.assertRaises(RuntimeError, operator.ge, a, b)
237 237
238 b.append(17) 238 b.append(17)
239 # Even recursive lists of different lengths are different, 239 # Even recursive lists of different lengths are different,
240 # but they cannot be ordered 240 # but they cannot be ordered
241 self.assertTrue(not (a == b)) 241 self.assertFalse(a == b)
242 self.assertTrue(a != b) 242 self.assertTrue(a != b)
243 self.assertRaises(RuntimeError, operator.lt, a, b) 243 self.assertRaises(RuntimeError, operator.lt, a, b)
244 self.assertRaises(RuntimeError, operator.le, a, b) 244 self.assertRaises(RuntimeError, operator.le, a, b)
245 self.assertRaises(RuntimeError, operator.gt, a, b) 245 self.assertRaises(RuntimeError, operator.gt, a, b)
246 self.assertRaises(RuntimeError, operator.ge, a, b) 246 self.assertRaises(RuntimeError, operator.ge, a, b)
247 a.append(17) 247 a.append(17)
248 self.assertRaises(RuntimeError, operator.eq, a, b) 248 self.assertRaises(RuntimeError, operator.eq, a, b)
249 self.assertRaises(RuntimeError, operator.ne, a, b) 249 self.assertRaises(RuntimeError, operator.ne, a, b)
250 a.insert(0, 11) 250 a.insert(0, 11)
251 b.insert(0, 12) 251 b.insert(0, 12)
252 self.assertTrue(not (a == b)) 252 self.assertFalse(a == b)
253 self.assertTrue(a != b) 253 self.assertTrue(a != b)
254 self.assertTrue(a < b) 254 self.assertTrue(a < b)
255 255
256 class DictTest(unittest.TestCase): 256 class DictTest(unittest.TestCase):
257 257
258 def test_dicts(self): 258 def test_dicts(self):
259 # Verify that __eq__ and __ne__ work for dicts even if the keys and 259 # Verify that __eq__ and __ne__ work for dicts even if the keys and
260 # values don't support anything other than __eq__ and __ne__ (and 260 # values don't support anything other than __eq__ and __ne__ (and
261 # __hash__). Complex numbers are a fine example of that. 261 # __hash__). Complex numbers are a fine example of that.
262 import random 262 import random
(...skipping 61 matching lines...)
324 324
325 for op in opmap["lt"]: 325 for op in opmap["lt"]:
326 self.assertIs(op(x, y), True) 326 self.assertIs(op(x, y), True)
327 327
328 328
329 def test_main(): 329 def test_main():
330 support.run_unittest(VectorTest, NumberTest, MiscTest, DictTest, ListTest) 330 support.run_unittest(VectorTest, NumberTest, MiscTest, DictTest, ListTest)
331 331
332 if __name__ == "__main__": 332 if __name__ == "__main__":
333 test_main() 333 test_main()
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