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Properly document how to run tests locally (#646)
### [Click to see rendered document](a9d0617c29/CONTRIBUTING.md (getting-your-development-environment-set-up)
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It's pretty non-trivial and I think it needs to be simplified.
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@ -79,16 +79,33 @@ You can use `rustup component add --toolchain nightly rustfmt-preview` to instal
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After cloning the project there are a few steps required to get the project running.
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1. `git submodule update --init --recursive` This will pull in the ecmascript test suited
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2. Go to the folder `ecmascript/transforms` and run `yarn install`
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3. You need to setup some environment variables in order for the tests to run
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1. Fetch submodules to pull ECMAScript test suites.
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```
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RUST_MIN_STACK=16777216
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RUSTFLAGS="--cfg procmacro2_semver_exempt"
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```
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```bash
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git submodule update --init --recursive
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```
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4. You can now run the tests with `RUST_BACKTRACE=full cargo test --color always --all --all-features`
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2. Install js dependencies.
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```bash
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yarn add browserslist
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( cd ecmascript/transforms; yarn install )
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```
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3. Setup some environment variables which is required for tests.
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```bash
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export RUST_MIN_STACK=16777216
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export RUSTFLAGS='--cfg procmacro2_semver_exempt'
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export RUST_BACKTRACE=full
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export PATH="$PATH:$PWD/ecmascript/transforms/node_modules/.bin"
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```
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4. Run tests
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```bash
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cargo test --all --all-features
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```
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## Pull requests
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