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Support branch coverage for ternary expressions? #557

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nedbat opened this issue Jan 23, 2017 · 4 comments
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Support branch coverage for ternary expressions? #557

nedbat opened this issue Jan 23, 2017 · 4 comments
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enhancement New feature or request

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nedbat commented Jan 23, 2017

Originally reported by Anonymous

Eg: a = 1 if b == c else 2 is not registering any missing branches.
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nedbat commented Jan 23, 2017

Original comment by Ionel Cristian Mărieș (Bitbucket: ionelmc, GitHub: ionelmc)

Ah dooh! I forgot to log in 😬

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nedbat commented Jan 23, 2017

Coverage works with the information from sys.settrace, which is line-based. It has no way to get information within a line.

Long ago, I experimented with a way to get intra-line information, but it is just a wild hack, not something that can be used for real yet: http://nedbatchelder.com/blog/200804/wicked_hack_python_bytecode_tracing.html

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nedbat commented Jan 23, 2017

This is another flavor of #292.

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nedbat commented Jan 23, 2017

Duplicate of #292.

@nedbat nedbat closed this as completed Jan 23, 2017
@nedbat nedbat added enhancement New feature or request and removed proposal labels Oct 31, 2021
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