Run docker integration tests using testcontainers

.github/workflows/pr.yml

@@ -3,11 +3,6 @@ on: pull_request_target
 jobs:
   test:
     runs-on: ubuntu-latest
-    services:
-      mongodb:
-        image: mongo:3.2
-        ports:
-          - 27017:27017
     steps:
       - name: Checkout source code
         uses: actions/checkout@v2

.github/workflows/release.yml

@@ -9,11 +9,6 @@ jobs:
     name: "Stable Release"
     runs-on: ubuntu-latest
     environment: production
-    services:
-      mongodb:
-        image: mongo:3.2
-        ports:
-          - 27017:27017
     steps:
     - uses: actions/checkout@v2
       with:

build.gradle

@@ -36,6 +36,7 @@ dependencies {
 
   testCompile "org.codehaus.groovy:groovy-all:2.4.19"
   testCompile "org.spockframework:spock-core:1.1-groovy-2.4"
+  testCompile "org.testcontainers:mongodb:1.16.0"
   testRuntime "cglib:cglib-nodep:3.1"
   testRuntime "org.objenesis:objenesis:2.1"
 

src/funtest/groovy/support/MongoHelper.groovy

@@ -5,6 +5,8 @@ import com.mongodb.MongoClient
 import com.mongodb.WriteConcern
 import com.mongodb.client.MongoDatabase
 import org.bson.types.ObjectId
+import org.testcontainers.containers.MongoDBContainer
+import org.testcontainers.utility.DockerImageName
 
 import java.util.concurrent.atomic.AtomicLong
 
@@ -16,7 +18,11 @@ class MongoHelper {
     static id = new AtomicLong()
 
     static prepareDB(){
-        def mongo = new MongoClient()
+        def mongoDBContainer = new MongoDBContainer(DockerImageName.parse("mongo:3.2"))
+        mongoDBContainer.setPortBindings(["27017:27017"])
+
+        mongoDBContainer.start()
+        def mongo = new MongoClient(mongoDBContainer.getHost(), mongoDBContainer.getFirstMappedPort())
         mongo.writeConcern = WriteConcern.UNACKNOWLEDGED
         mongo.getDatabase("sdkman")
     }