add pact provider test (#3475)

libraries/src/test/java/com/baeldung/pact/PactConsumerDrivenContractUnitTest.java

@@ -32,9 +32,9 @@ public class PactConsumerDrivenContractUnitTest {
         headers.put("Content-Type", "application/json");
 
         return builder
-          .given("test GET ")
+          .given("test GET")
           .uponReceiving("GET REQUEST")
-          .path("/")
+          .path("/pact")
           .method("GET")
           .willRespondWith()
           .status(200)
@@ -45,11 +45,9 @@ public class PactConsumerDrivenContractUnitTest {
           .method("POST")
           .headers(headers)
           .body("{\"name\": \"Michael\"}")
-          .path("/create")
+          .path("/pact")
           .willRespondWith()
           .status(201)
-          .headers(headers)
-          .body("")
           .toPact();
     }
 
@@ -59,7 +57,7 @@ public class PactConsumerDrivenContractUnitTest {
     public void givenGet_whenSendRequest_shouldReturn200WithProperHeaderAndBody() {
         //when
         ResponseEntity<String> response
-          = new RestTemplate().getForEntity(mockProvider.getUrl(), String.class);
+          = new RestTemplate().getForEntity(mockProvider.getUrl() + "/pact", String.class);
 
         //then
         assertThat(response.getStatusCode().value()).isEqualTo(200);
@@ -73,7 +71,7 @@ public class PactConsumerDrivenContractUnitTest {
 
         //when
         ResponseEntity<String> postResponse = new RestTemplate().exchange(
-          mockProvider.getUrl() + "/create",
+          mockProvider.getUrl() + "/pact",
           HttpMethod.POST,
           new HttpEntity<>(jsonBody, httpHeaders),
           String.class

spring-rest/pom.xml

@@ -169,6 +169,12 @@
 			<artifactId>commons-io</artifactId>
 			<version>2.4</version>
 		</dependency>
+		
+        <dependency>
+            <groupId>au.com.dius</groupId>
+            <artifactId>pact-jvm-provider-junit_2.11</artifactId>
+            <version>${pact.version}</version>
+        </dependency>
 
 	</dependencies>
 
@@ -324,6 +330,8 @@
 		<com.squareup.okhttp3.version>3.4.1</com.squareup.okhttp3.version>
 
 		<json.path.version>2.2.0</json.path.version>
+		
+		<pact.version>3.5.11</pact.version>
 	</properties>
 
 </project>

spring-rest/src/main/java/org/baeldung/web/controller/PactController.java

@@ -0,0 +1,32 @@
+package org.baeldung.web.controller;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.baeldung.web.dto.PactDto;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class PactController {
+
+    List<PactDto> pacts = new ArrayList<>();
+
+    @GetMapping(value = "/pact", produces = MediaType.APPLICATION_JSON_VALUE)
+    @ResponseBody
+    public PactDto getPact() {
+        return new PactDto(true, "tom");
+    }
+
+    @PostMapping("/pact")
+    @ResponseStatus(HttpStatus.CREATED)
+    public void createPact(PactDto pact) {
+        pacts.add(pact);
+    }
+
+}

spring-rest/src/main/java/org/baeldung/web/dto/PactDto.java

@@ -0,0 +1,33 @@
+package org.baeldung.web.dto;
+
+public class PactDto {
+
+    private boolean condition;
+    private String name;
+
+    public PactDto() {
+    }
+
+    public PactDto(boolean condition, String name) {
+        super();
+        this.condition = condition;
+        this.name = name;
+    }
+
+    public boolean isCondition() {
+        return condition;
+    }
+
+    public void setCondition(boolean condition) {
+        this.condition = condition;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+}

spring-rest/src/main/resources/pacts/test_consumer-test_provider.json

@@ -0,0 +1,61 @@
+{
+    "provider": {
+        "name": "test_provider"
+    },
+    "consumer": {
+        "name": "test_consumer"
+    },
+    "interactions": [
+        {
+            "description": "GET REQUEST",
+            "request": {
+                "method": "GET",
+                "path": "/pact"
+            },
+            "response": {
+                "status": 200,
+                "headers": {
+                    "Content-Type": "application/json"
+                },
+                "body": {
+                    "condition": true,
+                    "name": "tom"
+                }
+            },
+            "providerStates": [
+                {
+                    "name": "test GET"
+                }
+            ]
+        },
+        {
+            "description": "POST REQUEST",
+            "request": {
+                "method": "POST",
+                "path": "/pact",
+                "headers": {
+                    "Content-Type": "application/json"
+                },
+                "body": {
+                    "name": "Michael"
+                }
+            },
+            "response": {
+                "status": 201
+            },
+            "providerStates": [
+                {
+                    "name": "test POST"
+                }
+            ]
+        }
+    ],
+    "metadata": {
+        "pact-specification": {
+            "version": "3.0.0"
+        },
+        "pact-jvm": {
+            "version": "3.5.0"
+        }
+    }
+}

spring-rest/src/test/java/org/baeldung/pact/PactProviderTest.java

@@ -0,0 +1,40 @@
+package org.baeldung.pact;
+
+import org.baeldung.config.MainApplication;
+import org.junit.BeforeClass;
+import org.junit.runner.RunWith;
+import org.springframework.boot.SpringApplication;
+import org.springframework.web.context.ConfigurableWebApplicationContext;
+
+import au.com.dius.pact.provider.junit.PactRunner;
+import au.com.dius.pact.provider.junit.Provider;
+import au.com.dius.pact.provider.junit.State;
+import au.com.dius.pact.provider.junit.loader.PactFolder;
+import au.com.dius.pact.provider.junit.target.HttpTarget;
+import au.com.dius.pact.provider.junit.target.Target;
+import au.com.dius.pact.provider.junit.target.TestTarget;
+
+@RunWith(PactRunner.class)
+@Provider("test_provider")
+@PactFolder("pacts")
+public class PactProviderTest {
+
+    @TestTarget
+    public final Target target = new HttpTarget("http", "localhost", 8082, "/spring-rest");
+
+    private static ConfigurableWebApplicationContext application;
+
+    @BeforeClass
+    public static void start() {
+        application = (ConfigurableWebApplicationContext) SpringApplication.run(MainApplication.class);
+    }
+
+    @State("test GET")
+    public void toGetState() {
+    }
+
+    @State("test POST")
+    public void toPostState() {
+    }
+
+}