ci: Add android checks and unit tests

.github/workflows/ci.yaml

@@ -31,12 +31,35 @@ jobs:
           create_credentials_file: true
           workload_identity_provider: ${{ secrets.GCP_WORKLOAD_IDENTITY_PROVIDER }}
           service_account: ${{ secrets.GCP_SERVICE_ACCOUNT }}
+      # TODO: Get java version from .tool-versions?
       - name: Set up Java
         uses: actions/setup-java@v3
         with:
           distribution: temurin
           java-version: 17
           cache: gradle
+      - uses: actions/cache@v3
+        with:
+          path: ~/.konan
+          key: konan-${{ runner.os }}-${{ hashFiles('build.gradle.kts') }}
+          restore-keys: konan-${{ runner.os }}
+      # TODO: pre-commit run spotless
+      - run: ./gradlew spotlessCheck
+      - name: shared checks & unit tests
+        run: ./gradlew shared:check
+        uses: actions/upload-artifact@v3
+        if: failure()
+        with:
+          name: android-shared-reports
+          path: shared/build/reports
+      - name: android checks & unit tests
+        run: ./gradlew androidApp:check
+        uses: actions/upload-artifact@v3
+        if: failure()
+        with:
+          name: android-android-reports
+          path: androidApp/build/reports
+
       - name: Fetch AWS secrets
         uses: aws-actions/aws-secretsmanager-get-secrets@v1
         with:

.tool-versions

@@ -1 +1,2 @@
 ruby 3.2.2
+java temurin-17.0.9+9

androidApp/build.gradle.kts

@@ -30,8 +30,8 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_1_8
-        targetCompatibility = JavaVersion.VERSION_1_8
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
     }
     kotlinOptions {
         jvmTarget = "1.8"
@@ -45,4 +45,4 @@ dependencies {
     implementation(libs.compose.material3)
     implementation(libs.androidx.activity.compose)
     debugImplementation(libs.compose.ui.tooling)
-}
+}

build.gradle.kts

@@ -1,7 +1,30 @@
 plugins {
-    //trick: for the same plugin versions in all sub-modules
+    // trick: for the same plugin versions in all sub-modules
     alias(libs.plugins.androidApplication).apply(false)
     alias(libs.plugins.androidLibrary).apply(false)
     alias(libs.plugins.kotlinAndroid).apply(false)
     alias(libs.plugins.kotlinMultiplatform).apply(false)
+    id("com.diffplug.spotless").version("6.21.0")
+}
+
+spotless {
+    kotlinGradle {
+        ktlint()
+    }
+}
+
+subprojects {
+    apply(plugin = "com.diffplug.spotless")
+
+    spotless {
+        kotlin {
+            target("src/**/*.kt")
+            ktfmt().kotlinlangStyle()
+        }
+        kotlinGradle { ktfmt().kotlinlangStyle() }
+    }
+}
+
+tasks.getByName("clean", Delete::class) {
+    delete(rootProject.buildDir)
 }

settings.gradle.kts

@@ -16,4 +16,4 @@ dependencyResolutionManagement {
 
 rootProject.name = "MBTA_App"
 include(":androidApp")
-include(":shared")
+include(":shared")

shared/build.gradle.kts

@@ -14,7 +14,7 @@ kotlin {
             }
         }
     }
-    
+
     listOf(
         iosX64(),
         iosArm64(),
@@ -45,4 +45,8 @@ android {
     defaultConfig {
         minSdk = 28
     }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
 }

shared/src/androidUnitTest/kotlin/com/mbta/tid/mbta_app/Test.android.kt

@@ -1,12 +1,13 @@
 package com.mbta.tid.mbta_app
 
-import org.junit.Assert.assertTrue
+import org.junit.Assert.assertFalse
 import org.junit.Test
 
 class AndroidGreetingTest {
 
     @Test
     fun testExample() {
-        assertTrue("Check Android is mentioned", Greeting().greet().contains("Android"))
+        // TODO: Switch back to assertTrue. See how test failure is represented in CI
+        assertFalse("Check Android is mentioned", Greeting().greet().contains("Android"))
     }
-}
+}