test(java): Add Java integration tests

.github/workflows/main.yaml

@@ -168,3 +168,56 @@ jobs:
           GITHUB_ORG_ID: ${{ secrets.PYTHON_SDK_GITHUB_ORG_ID }}
           GITHUB_REPO_ID: ${{ secrets.PYTHON_SDK_GITHUB_REPO_ID }}
           SSH_KEY: ${{ secrets.PYTHON_SDK_SSH_KEY }}
+
+  build-and-test-java-sdk:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Set up JDK
+        uses: actions/setup-java@v2
+        with:
+          java-version: 11
+          distribution: 'temurin'
+          cache: 'gradle'
+
+      - name: Setup git
+        run: ./scripts/setup_git.sh
+        env:
+          GIT_USER_NAME: ${{ secrets.GIT_USER_NAME }}
+          GIT_USER_EMAIL: ${{ secrets.GIT_USER_EMAIL }}
+
+      # - name: Clone the existing SDK
+      #   run: ./scripts/clone_sdk.sh
+      #   env:
+      #     GITHUB_ORG_ID: ${{ secrets.JAVA_SDK_GITHUB_ORG_ID }}
+      #     GITHUB_REPO_ID: ${{ secrets.JAVA_SDK_GITHUB_REPO_ID }}
+      #     SSH_KEY: ${{ secrets.JAVA_SDK_SSH_KEY }}
+      #     SDK_PATH: clients/fga-java-sdk
+      #     KNOWN_HOSTS: ${{secrets.KNOWN_HOSTS}}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      # TODO: Don't run this twice. For some reason, the initial run of
+      # `make build-client-java` doesn't work, but subsequent runs do.
+      - name: Build Java SDK
+        continue-on-error: true
+        run: |-
+          mkdir -p clients/fga-java-sdk
+          make build-client-java
+
+      - name: Run All Tests
+        run: |-
+          make test-integration-client-java
+
+      # - name: Check for SDK changes
+      #   run: ./scripts/commit_push_changes.sh
+      #   env:
+      #     SDK_PATH: clients/fga-java-sdk
+      #     DRY_RUN: 1
+      #     TAGGING_DISABLE: 1
+      #     GITHUB_ORG_ID: ${{ secrets.JAVA_SDK_GITHUB_ORG_ID }}
+      #     GITHUB_REPO_ID: ${{ secrets.JAVA_SDK_GITHUB_REPO_ID }}
+      #     SSH_KEY: ${{ secrets.JAVA_SDK_SSH_KEY }}

Makefile

@@ -29,6 +29,7 @@ pull-docker-images:
 	docker pull golangci/golangci-lint:${GOLINT_DOCKER_TAG}
 	docker pull mcr.microsoft.com/dotnet/sdk:${DOTNET_DOCKER_TAG}
 	docker pull busybox:${BUSYBOX_DOCKER_TAG}
+	docker pull gradle:${GRADLE_DOCKER_TAG}
 
 ## Publishing
 publish-client-dotnet: build-client-dotnet
@@ -43,10 +44,10 @@ test: test-all-clients
 build: build-all-clients
 
 .PHONY: test-all-clients
-test-all-clients: test-client-js test-client-go test-client-dotnet test-client-python
+test-all-clients: test-client-js test-client-go test-client-dotnet test-client-python test-client-java
 
 .PHONY: build-all-clients
-build-all-clients: build-client-js build-client-go build-client-dotnet build-client-python
+build-all-clients: build-client-js build-client-go build-client-dotnet build-client-python build-client-java
 
 ### JavaScript
 .PHONY: tag-client-js
@@ -130,6 +131,7 @@ run-in-docker:
 		-v "${CLIENTS_OUTPUT_DIR}/fga-${sdk_language}-sdk":/module \
 		-v ${CONFIG_DIR}:/config \
 		-w /module \
+		--net="host" \
 		${image} \
 		${command}
 
@@ -207,7 +209,14 @@ setup-new-sdk:
 .PHONY: build-client-java
 build-client-java:
 	make build-client sdk_language=java tmpdir=${TMP_DIR}
-	make run-in-docker sdk_language=java image=gradle:${GRADLE_DOCKER_TAG} command="/bin/sh -c 'gradle fmt'"
+	make run-in-docker sdk_language=java image=gradle:${GRADLE_DOCKER_TAG} command="/bin/sh -c 'chmod +x ./gradlew && gradle fmt build'"
+
+.PHONY: test-integration-client-java
+test-integration-client-java: build-client-java
+	docker container rm --force openfga-for-java-client || true
+	docker run --detach --name openfga-for-java-client -p 8080:8080 openfga/openfga run
+	make run-in-docker sdk_language=java image=gradle:${GRADLE_DOCKER_TAG} command="/bin/sh -c './gradlew test-integration'"
+	docker container rm --force openfga-for-java-client
 
 .PHONY: test-client-java
 test-client-java: build-client-java

config/clients/java/config.overrides.json

@@ -5,6 +5,7 @@
   "artifactId": "openfga-sdk",
   "groupId": "dev.openfga",
   "apiPackage": "dev.openfga.api",
+  "invokerPackage": "dev.openfga.api.invoker",
   "modelPackage": "dev.openfga.api.model",
   "packageVersion": "0.0.1",
   "snapshotVersion": false,
@@ -29,6 +30,14 @@
     "build.gradle.mustache" : {
       "destinationFilename": "build.gradle",
       "templateType": "SupportingFiles"
+    },
+    "OpenFgaApiIntegrationTest.java" : {
+      "destinationFilename": "src/test-integration/java/dev/openfga/api/OpenFgaApiIntegrationTest.java",
+      "templateType": "SupportingFiles"
+    },
+    "gradle-wrapper.properties.mustache" : {
+      "destinationFilename": "gradle/wrapper/gradle-wrapper.properties",
+      "templateType": "SupportingFiles"
     }
   }
 }

config/clients/java/template/.github/workflows/main.yml.mustache

@@ -0,0 +1,27 @@
+name: Java CI with Gradle
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    name: Build {{{appName}}}
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        java: [ '11', '17' ]
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up JDK
+      uses: actions/setup-java@v2
+      with:
+      {{=< >=}}
+        java-version: ${{ matrix.java }}
+        distribution: 'temurin'
+        cache: gradle
+    - name: Build with Gradle
+      run: |
+        ./gradlew build