test: Ensure the custom_wasmer_runtime tag works

.github/workflows/test.yml

@@ -23,6 +23,10 @@ jobs:
 
           - id: 'darwin-amd64'
             os: 'macos-latest'
+
+          - id: 'linux-amd64'
+            os: 'ubuntu-18.04'
+            libwasmer_archive_name: 'wasmer-linux-amd64.tar.gz'
       fail-fast: true
 
     runs-on: ${{ matrix.target.os }}
@@ -49,11 +53,24 @@ jobs:
           export PATH="$HOME/.cargo/bin:$PATH"
           cargo install just
 
-      - name: Run all the tests
+      - name: Run all the tests (default)
+        if: ${{ !matrix.target.libwasmer_archive_name }}
         shell: bash
         run: |
           just test
 
+      - name: Run all the tests (with custom Wasmer runtime)
+        if: matrix.target.libwasmer_archive_name
+        shell: bash
+        run: |
+          libwasmer_url=$(curl -s https://api.github.com/repos/wasmerio/wasmer-nightly/releases/latest | jq --raw-output '.assets[] | select(.name == "${{ matrix.target.libwasmer_archive_name }}") | .browser_download_url')
+          mkdir -p libwasmer
+          curl -L $libwasmer_url > release.tar.gz
+          tar xzvf release.tar.gz -C libwasmer
+          export CGO_CFLAGS="-I$(pwd)/libwasmer/include/"
+          export CGO_LDFLAGS="-Wl,-rpath,$(pwd)/libwasmer/lib/ -L$(pwd)/libwasmer/lib/ -lwasmer"
+          just test -tags custom_wasmer_runtime
+
       - name: Run all the examples
         shell: bash
         run: |

README.md

@@ -126,8 +126,7 @@ this library works (and is tested) on the following platforms:
   $ export CGO_LDFLAGS="-Wl,-rpath,$(pwd)/target/release/ -L$(pwd)/target/release/ -lwasmer_go"
   $
   $ # Run the tests.
-  $ cd wasmer
-  $ go test -v -tags custom_wasmer_runtime
+  $ just test -tags custom_wasmer_runtime
   ```
 </details>
 

justfile

@@ -1,9 +1,9 @@
 # Run all the tests.
-test:
+test *ARGS:
 	#!/usr/bin/env bash
 	cd wasmer
 	# Run the tests.
-	GODEBUG=cgocheck=2 go test -v
+	GODEBUG=cgocheck=2 go test -v {{ARGS}}
 
 examples:
 	#!/usr/bin/env bash