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Kenneth Reitz
75 lines
1.8 KiB
Python
75 lines
1.8 KiB
Python
from tests.utils import complexity
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class describe_exception_handling:
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def test_try(self):
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assert complexity(
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"""
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try: 1
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except: 2
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""").score == 2
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def test_try_with_multiple_excepts(self):
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assert complexity(
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"""
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try: 1
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except A: 2
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except B: 3
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except C: 4
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""").score == 4
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def test_try_with_multiple_exception_types_in_one_except(self):
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assert complexity(
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"""
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try: 1
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except (A, B): 2
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""").score == 2
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def test_try_with_child_nodes(self):
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assert complexity(
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"""
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try:
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if x: 1
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else: 2
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except: 2
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""").score == 3
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def test_try_with_finally(self):
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assert complexity(
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"""
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try: 1
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except: 2
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finally: 3
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""").score == 2
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def test_try_with_else(self):
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assert complexity(
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"""
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try: 1
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except: 2
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else: 3
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""").score == 2
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def test_try_with_finally_and_child_nodes(self):
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# Try/finally/else/except are all deceiving. The try and finally don't
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# add any paths because they both always happen. An except adds one
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# (it can either happen or not), but an else doesn't (it's equivalent
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# to adding the code after the line in the try: that threw the
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# exception, so it doesn't add a path).
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assert complexity(
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"""
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try:
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if a: 1
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else: 2
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except:
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if a: 1
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else: 2
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else:
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if a: 1
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else: 2
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finally:
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if a: 1
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else: 2
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""").score == 6
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