TestSubset(): Generalized the framework to support testing upcoming
<, <=, etc methods too.
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@ -361,12 +361,25 @@ class TestMutate(unittest.TestCase):
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class TestSubsets(unittest.TestCase):
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case2method = {"<=": "issubset",
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">=": "issuperset",
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}
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cases_with_ops = Set(["==", "!="])
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def test_issubset(self):
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result = self.left.issubset(self.right)
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if "<" in self.cases:
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self.failUnless(result)
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else:
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self.failUnless(not result)
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x = self.left
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y = self.right
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for case in "!=", "==", "<", "<=", ">", ">=":
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expected = case in self.cases
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if case in TestSubsets.case2method:
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# Test the method-name spelling.
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method = getattr(x, TestSubsets.case2method[case])
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result = method(y)
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self.assertEqual(result, expected)
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if case in TestSubsets.cases_with_ops:
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# Test the binary infix spelling.
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result = eval("x" + case + "y", locals())
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self.assertEqual(result, expected)
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#------------------------------------------------------------------------------
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@ -374,7 +387,7 @@ class TestSubsetEqualEmpty(TestSubsets):
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left = Set()
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right = Set()
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name = "both empty"
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cases = "<>"
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cases = "==", "<=", ">="
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#------------------------------------------------------------------------------
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@ -382,7 +395,7 @@ class TestSubsetEqualNonEmpty(TestSubsets):
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left = Set([1, 2])
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right = Set([1, 2])
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name = "equal pair"
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cases = "<>"
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cases = "==", "<=", ">="
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#------------------------------------------------------------------------------
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@ -390,7 +403,7 @@ class TestSubsetEmptyNonEmpty(TestSubsets):
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left = Set()
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right = Set([1, 2])
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name = "one empty, one non-empty"
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cases = "<"
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cases = "!=", "<", "<="
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#------------------------------------------------------------------------------
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@ -398,7 +411,7 @@ class TestSubsetPartial(TestSubsets):
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left = Set([1])
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right = Set([1, 2])
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name = "one a non-empty subset of other"
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cases = "<"
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cases = "!=", "<", "<="
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#------------------------------------------------------------------------------
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@ -406,7 +419,7 @@ class TestSubsetNonOverlap(TestSubsets):
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left = Set([1])
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right = Set([2])
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name = "neither empty, neither contains"
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cases = ""
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cases = "!="
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#==============================================================================
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