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wasi: update wasm runtime file location #298

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wasi: update wasm runtime file location #298

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wasi: update wasm runtime file location
Zxilly Aug 13, 2024
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Zxilly Aug 13, 2024
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8 changes: 5 additions & 3 deletions _content/blog/wasi.md
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Expand Up @@ -78,17 +78,19 @@ of how WASI works with Go, please see

## Running go tests with wasip1

> Go 1.24 moved the Wasm support files to `lib/wasm`. For Go 1.21 - 1.23, use the `misc/wasm` directory.

Building and running a binary is easy, but sometimes we want to be able to run
`go test` directly without having to build and execute the binary manually.
Similar to the `js/wasm` port, the standard library distribution included
in your Go installation comes with a file that makes this very easy. Add the
`misc/wasm` directory to your `PATH` when running Go tests and it will
`lib/wasm` directory to your `PATH` when running Go tests and it will
run the tests using the Wasm host of your choice. This works by `go test`
[automatically executing](https://pkg.go.dev/cmd/go#hdr-Compile_and_run_Go_program)
`misc/wasm/go_wasip1_wasm_exec` when it finds this file in the `PATH`.
`lib/wasm/go_wasip1_wasm_exec` when it finds this file in the `PATH`.

```shell
$ export PATH=$PATH:$(go env GOROOT)/misc/wasm
$ export PATH=$PATH:$(go env GOROOT)/lib/wasm
$ GOOS=wasip1 GOARCH=wasm go test ./...
```

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