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78 lines
2.0 KiB
Python
78 lines
2.0 KiB
Python
import sys
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import os
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sys.path.append(os.path.dirname(os.path.dirname((__file__))))
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from testlib import expects
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# These are defined so that we can evaluate the test code.
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NONSOURCE = "not a source"
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SOURCE = "source"
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def is_source(x):
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return x == "source" or x == b"source" or x == 42 or x == 42.0 or x == 42j
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def SINK(x):
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if is_source(x):
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print("OK")
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else:
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print("Unexpected flow", x)
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def SINK_F(x):
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if is_source(x):
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print("Unexpected flow", x)
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else:
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print("OK")
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def test_as_binding():
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try:
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e_with_source = Exception()
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e_with_source.a = SOURCE
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raise e_with_source
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except* Exception as eg:
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SINK(eg.exceptions[0].a) # $ MISSING: flow
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@expects(4)
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def test_group():
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value_error_with_source = ValueError()
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value_error_with_source.a = SOURCE
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type_error_without_source = TypeError()
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type_error_without_source.a = NONSOURCE
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os_error_without_source = OSError()
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os_error_without_source.a = NONSOURCE
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eg = ExceptionGroup(
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"one",
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[
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type_error_without_source,
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ExceptionGroup(
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"two",
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[type_error_without_source, value_error_with_source]
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),
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ExceptionGroup(
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"three",
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[os_error_without_source]
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)
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]
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)
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try:
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raise eg
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except* (TypeError, OSError) as es:
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# The matched sub-group, represented by `es` is filtered,
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# but the nesting is in place.
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SINK_F(es.exceptions[0].a)
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SINK_F(es.exceptions[1].exceptions[0].a)
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SINK_F(es.exceptions[2].exceptions[0].a)
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except* ValueError as es:
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# The matched sub-group, represented by `es` is filtered,
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# but the nesting is in place.
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# So the ValueError was originally found in
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# `eg.exceptions[1].exceptions[1].a`
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# but now it is found in
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# `es.exceptions[0].exceptions[0].a`
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SINK(es.exceptions[0].exceptions[0].a) # $ MISSING: flow
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