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https://github.com/nushell/nushell
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63 lines
2.5 KiB
Text
Executable file
63 lines
2.5 KiB
Text
Executable file
#!/usr/bin/env nu
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use std log warning
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warning "./scripts/coverage-local.nu will be deprecated, please use the `toolkit cov` command instead"
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def compute-coverage [] {
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cd ($env.CURRENT_FILE | path dirname --num-levels 2)
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print "Setting up environment variables for coverage"
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# Enable LLVM coverage tracking through environment variables
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# show env outputs .ini/.toml style description of the variables
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# In order to use from toml, we need to make sure our string literals are single quoted
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# This is especially important when running on Windows since "C:\blah" is treated as an escape
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cargo llvm-cov show-env | str replace (char dq) (char sq) -a | from toml | load-env
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print "Cleaning up coverage data"
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cargo llvm-cov clean --workspace
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print "Building with workspace and profile=ci"
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# Apparently we need to explicitly build the necessary parts
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# using the `--profile=ci` is basically `debug` build with unnecessary symbols stripped
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# leads to smaller binaries and potential savings when compiling and running
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cargo build --workspace --profile=ci
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print "Running tests with --workspace and profile=ci"
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cargo test --workspace --profile=ci
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# You need to provide the used profile to find the raw data
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print "Generating coverage report as lcov.info"
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cargo llvm-cov report --lcov --output-path lcov.info --profile=ci
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}
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let start = (date now)
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# Script to generate coverage locally
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#
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# Output: `lcov.info` file
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#
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# Relies on `cargo-llvm-cov`. Install via `cargo install cargo-llvm-cov`
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# https://github.com/taiki-e/cargo-llvm-cov
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# You probably have to run `cargo llvm-cov clean` once manually,
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# as you have to confirm to install additional tooling for your rustup toolchain.
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# Else the script might stall waiting for your `y<ENTER>`
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# Some of the internal tests rely on the exact cargo profile
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# (This is somewhat criminal itself)
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# but we have to signal to the tests that we use the `ci` `--profile`
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$env.NUSHELL_CARGO_PROFILE = "ci"
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# Manual gathering of coverage to catch invocation of the `nu` binary.
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# This is relevant for tests using the `nu!` macro from `nu-test-support`
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# see: https://github.com/taiki-e/cargo-llvm-cov#get-coverage-of-external-tests
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compute-coverage
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let end = (date now)
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print $"Coverage generation took ($end - $start)."
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# To display the coverage in your editor see:
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#
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# - https://marketplace.visualstudio.com/items?itemName=ryanluker.vscode-coverage-gutters
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# - https://github.com/umaumax/vim-lcov
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# - https://github.com/andythigpen/nvim-coverage (probably needs some additional config)
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