Compatibility tests

.github/workflows/tests.yml

@@ -0,0 +1,62 @@
+name: Test generators
+on: [pull_request, push]
+
+env:
+  IMAGE_NAME: generators
+  IMAGE_PATH: /tmp/generators.tar
+
+jobs:
+  build-docker:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: docker/setup-buildx-action@v2
+      - uses: docker/build-push-action@v4
+        with:
+          context: .
+          tags: ${{ env.IMAGE_NAME }}:test
+          outputs: type=docker,dest=${{ env.IMAGE_PATH }}
+      - uses: actions/upload-artifact@v3
+        with:
+          name: ${{ env.IMAGE_NAME }}
+          path: ${{ env.IMAGE_PATH }}
+
+  build-test-libs:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: 1.64.0
+          default: true
+      - uses: actions-rs/cargo@v1
+        with:
+          command: build
+          args: --package compatibility-test
+      - uses: actions/upload-artifact@v3
+        with:
+          name: test-libs
+          path: |
+            target/debug/libuniffi_coverall.so
+            target/debug/libuniffi_coverall.a
+
+  test:
+    runs-on: ubuntu-latest
+    needs: [build-docker, build-test-libs]
+    steps:
+    - uses: actions/checkout@v3
+    - uses: docker/setup-buildx-action@v2
+    - uses: actions/download-artifact@v3
+      with:
+        name: ${{ env.IMAGE_NAME }}
+        path: /tmp
+    - uses: actions/download-artifact@v3
+      with:
+        name: test-libs
+        path: target/debug
+    - name: Load docker image
+      run: |
+        docker load --input ${{ env.IMAGE_PATH }}
+    - name: Run tests
+      run: |
+        sudo ./test_generators.sh

.gitignore

@@ -3,3 +3,5 @@ target/
 
 # These are backup files generated by rustfmt
 **/*.rs.bk
+
+compatibility-test/tmp/