Experimenting with ParameterResolver

spring-cloud-app-broker-acceptance-tests/src/test/java/org.springframework.cloud.appbroker.acceptance/BrokerProperties.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2016-2018. the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cloud.appbroker.acceptance;
+
+import java.util.List;
+import reactor.util.function.Tuple2;
+
+class BrokerProperties {
+
+	private List<Tuple2<String, String>> properties;
+
+	BrokerProperties(List<Tuple2<String, String>> properties) {
+		this.properties = properties;
+	}
+
+	List<Tuple2<String, String>> getProperties() {
+		return properties;
+	}
+
+}

spring-cloud-app-broker-acceptance-tests/src/test/java/org.springframework.cloud.appbroker.acceptance/BrokerPropertiesParameterResolver.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2016-2018. the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cloud.appbroker.acceptance;
+
+import java.lang.reflect.Field;
+import java.util.Optional;
+import org.junit.jupiter.api.extension.ExtensionContext;
+import org.junit.jupiter.api.extension.ParameterContext;
+import org.junit.jupiter.api.extension.ParameterResolutionException;
+import org.junit.jupiter.api.extension.ParameterResolver;
+import org.springframework.util.ReflectionUtils;
+
+
+class BrokerPropertiesParameterResolver implements ParameterResolver {
+
+	@Override
+	public boolean supportsParameter(ParameterContext parameterContext, ExtensionContext extensionContext) throws ParameterResolutionException {
+		return parameterContext.getParameter().getType() == BrokerProperties.class;
+	}
+
+	@Override
+	public BrokerProperties resolveParameter(ParameterContext parameterContext, ExtensionContext extensionContext) throws ParameterResolutionException {
+		Optional<Object> testInstance = extensionContext.getTestInstance();
+		Field field = ReflectionUtils.findField(testInstance.get().getClass(), "properties");
+		ReflectionUtils.makeAccessible(field);
+		BrokerProperties brokerProperties = (BrokerProperties)ReflectionUtils.getField(field, testInstance.get());
+		return brokerProperties;
+	}
+
+}

spring-cloud-app-broker-acceptance-tests/src/test/java/org.springframework.cloud.appbroker.acceptance/CloudFoundryAcceptanceTest.java

@@ -23,6 +23,7 @@ import java.util.Optional;
 import org.cloudfoundry.operations.applications.ApplicationEnvironments;
 import org.cloudfoundry.operations.applications.ApplicationSummary;
 import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
@@ -34,8 +35,14 @@ import reactor.util.function.Tuple2;
 
 @SpringBootTest(classes = {CloudFoundryClientConfiguration.class, CloudFoundryService.class})
 @ExtendWith(SpringExtension.class)
+@ExtendWith(BrokerPropertiesParameterResolver.class)
 class CloudFoundryAcceptanceTest {
 
+	@BeforeEach
+	void setUp(BrokerProperties brokerProperties) {
+		initializeBroker(brokerProperties.getProperties());
+	}
+
 	private static final String SAMPLE_BROKER_APP_NAME = "sample-broker";
 	private static final String BROKER_NAME = "sample-broker-name";
 	private static final String SERVICE_NAME = "example";

spring-cloud-app-broker-acceptance-tests/src/test/java/org.springframework.cloud.appbroker.acceptance/CreateInstanceAcceptanceTest.java

@@ -19,7 +19,6 @@ package org.springframework.cloud.appbroker.acceptance;
 import java.util.Optional;
 import org.cloudfoundry.operations.applications.ApplicationEnvironments;
 import org.cloudfoundry.operations.applications.ApplicationSummary;
-import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
 
@@ -31,18 +30,14 @@ class CreateInstanceAcceptanceTest extends CloudFoundryAcceptanceTest {
 
 	private static final String BROKER_SAMPLE_APP_CREATE = "broker-sample-app-create";
 
-	@BeforeEach
-	void setUp() {
-		initializeBroker(newArrayList(
+	private static final BrokerProperties properties = new BrokerProperties(newArrayList(
 			of("spring.cloud.appbroker.apps[0].name", BROKER_SAMPLE_APP_CREATE),
 			of("spring.cloud.appbroker.apps[0].path", "classpath:demo.jar"),
 			of("spring.cloud.appbroker.apps[0].environment.ENV_VAR_1", "value1"),
 			of("spring.cloud.appbroker.apps[0].environment.ENV_VAR_2", "value2"),
 			of("spring.cloud.appbroker.apps[0].properties.spring.cloud.deployer.memory", "2G"),
 			of("spring.cloud.appbroker.apps[0].properties.spring.cloud.deployer.count", "2")
-			)
-		);
-	}
+		));
 
 	@Test
 	void shouldPushAppWhenCreateServiceCalled() {