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Programmatic support for doctests? #27

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epage opened this issue Mar 8, 2019 · 4 comments
Open

Programmatic support for doctests? #27

epage opened this issue Mar 8, 2019 · 4 comments
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enhancement Improve the expected question Uncertainty is involved

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@epage
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epage commented Mar 8, 2019 •
edited

Doctests are tricky because they are creating code, and binaries, on the fly.

This is important for

  • Proper unit test reporting in cargo-suity
  • Code coverage reporting
  • We could integrate skeptic (testing readmes) with a shipped binary, not slowing people down
@epage epage added enhancement Improve the expected question Uncertainty is involved labels Mar 8, 2019
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epage commented Mar 8, 2019

As suspected, cargo test delegates to rustdoc for doctests, populating all the hard-to-discover flags :(

https://github.com/rust-lang/cargo/blob/master/src/cargo/ops/cargo_test.rs#L129

@epage
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epage commented Mar 8, 2019

The core logic seems to be at
https://github.com/rust-lang/rust/blob/master/src/librustdoc/test.rs#L182

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epage commented Mar 8, 2019

brson's work on skeptic might be reused to cover both skeptic and doctests

See budziq/rust-skeptic#18 (comment)

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epage commented Jun 3, 2019

Looks like taurplin has taken a crack at solving the doctest problem

See xd009642/tarpaulin#13

@epage epage mentioned this issue Jun 17, 2019
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enhancement Improve the expected question Uncertainty is involved
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