WireMock Java代码内集成调用
之前，已经介绍了WireMock单独启动的使用了，但WireMock 本身由 Java 语言开发，所以在 Java 中可以方便地进行调用。接下来，介绍在Java代码中如何进行WireMock的使用。
创建工程
创建maven工程
引入需要的依赖
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| <dependency>
<groupId>com.github.tomakehurst</groupId>
<artifactId>wiremock-jre8</artifactId>
<version>${wiremock.version}</version>
</dependency>
<dependency>
<groupId>com.github.tomakehurst</groupId>
<artifactId>wiremock-jre8-standalone</artifactId>
<version>${wiremock.version}</version>
</dependency>
<dependency>
<groupId>io.rest-assured</groupId>
<artifactId>rest-assured</artifactId>
<version>4.3.0</version>
</dependency>
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- 编写代码
与Junit4集成调用
默认提供了和 Junit4 的集成。通过 Juit4 的 Rule 注解，可以方便地完成WireMock的匹配规则（stub）设置。
- 添加Junit4的依赖
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| <dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.13</version>
<scope>test</scope>
</dependency>
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- 编写代码，完成接口的Mock测试
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| package com.wiremock.demo;
import com.github.tomakehurst.wiremock.junit.WireMockRule;
import io.restassured.RestAssured;
import org.junit.BeforeClass;
import org.junit.Rule;
import org.junit.Test;
import static com.github.tomakehurst.wiremock.client.WireMock.*;
import static io.restassured.RestAssured.given;
public class WireMockForJunit4 {
@Rule
public WireMockRule wireMockRule = new WireMockRule(8088, 8089);
@BeforeClass
public static void setUp() {
RestAssured.baseURI = "http://localhost:8088";
}
@Test
public void test() {
wireMockRule.stubFor(get(urlEqualTo("/api/book/abc"))
.willReturn(aResponse()
.withBody("successful")
.withStatus(200)));
given().when().get("/api/book/abc").then().log().all();
}
}
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与Junit5集成调用
Junit4只是简单的使用的示例，是需要结合Junit4的@Rule的注解使用，相对Junit5和TestNG的使用会更简洁些，下面就是以Junit5进行接口的Mock测试。
引入Junit5的依赖
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| <dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter</artifactId>
<version>RELEASE</version>
<scope>test</scope>
</dependency>
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编写代码，进行不同需求的Mock测试
- 设置Mock响应规则
- 设置响应简化规则
- 重定向
- 优先级规则
- 服务端错误500
- 场景的使用
- 从文件获取响应内容
- 消息录制
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| package com.wiremock.demo;
import com.github.tomakehurst.wiremock.WireMockServer;
import com.github.tomakehurst.wiremock.stubbing.Scenario;
import io.restassured.RestAssured;
import org.junit.jupiter.api.*;
import static com.github.tomakehurst.wiremock.client.WireMock.*;
import static io.restassured.RestAssured.given;
public class WireMockForJunit5 {
static WireMockServer wireMockServer = new WireMockServer(8088, 8089);
@BeforeAll
static void setUp() {
wireMockServer.start();
RestAssured.baseURI = "http://localhost:8088";
}
@AfterEach
public void teardown(TestInfo info) {
System.out.println("------------" + info.getDisplayName() + " finished!-------");
}
@Test
@DisplayName("设置基本监听规则")
void testMonitor01() {
wireMockServer.stubFor(get(urlEqualTo("/api/book/abc"))
.willReturn(aResponse()
.withStatus(200)
.withHeader("test", "api")
.withBody("successful"))
);
given()
.when()
.get("/api/book/abc")
.then()
.log().all();
}
@Test
@DisplayName("设置响应简化规则")
void testMonitor02() {
wireMockServer.stubFor(get(urlEqualTo("/api/book/abc"))
.willReturn(ok("successful"))
);
given()
.when()
.get("/api/book/abc")
.then()
.log().all();
}
@Test
@DisplayName("重定向")
void testRedirect() {
wireMockServer.stubFor(post(urlEqualTo("/api/book/redirect"))
.willReturn(temporaryRedirect("/api/book/newPlace"))
);
given()
.when()
.post("/api/book/redirect")
.then()
.log().all();
}
@Test
@DisplayName("优先级规则的应用")
void testPriority() {
wireMockServer.stubFor(any(anyUrl())
.atPriority(10)
.willReturn(notFound())
);
wireMockServer.stubFor(get(urlMatching("/api/book/.*"))
.atPriority(5)
.willReturn(aResponse()
.withStatus(402)
.withBody("没有访问权限"))
);
wireMockServer.stubFor(get(urlEqualTo("/api/book/test"))
.atPriority(1)
.willReturn(ok("测试地址"))
);
given()
.when()
.get("/test/none")
.then()
.log().status();
given()
.when()
.get("/api/book/none")
.then()
.log().all();
given()
.when()
.get("/api/book/test")
.then()
.log().all();
}
@Test
@DisplayName("服务端错误500")
void testServerError() {
wireMockServer.stubFor(post(urlEqualTo("/api/book/err"))
.willReturn(serverError())
);
given()
.when()
.post("/api/book/err")
.then()
.log().all();
}
@Test
@DisplayName("场景的使用方法")
void testScene() {
wireMockServer.stubFor(post(urlEqualTo("/rest/user"))
.willReturn(ok("{\"user\":\"admin\"}"))
);
wireMockServer.stubFor(post(urlEqualTo("/rest/user"))
.inScenario("get user")
.whenScenarioStateIs(Scenario.STARTED)
.willReturn(aResponse().withStatus(204))
.willSetStateTo("deleted")
);
wireMockServer.stubFor(post(urlEqualTo("/rest/user"))
.inScenario("get user")
.whenScenarioStateIs("deleted")
.willReturn(notFound())
);
given()
.when()
.post("/rest/user")
.then()
.log().all();
given()
.when()
.delete("/rest/user")
.then()
.log().all();
given()
.when()
.post("/rest/user")
.then()
.log().all();
}
@Test
@DisplayName("从文件获取响应内容")
void getFileBody() {
wireMockServer.stubFor(get(urlEqualTo("/api/book/file"))
.willReturn(aResponse().withStatus(200).withBodyFile("filebody.json")));
given()
.when()
.post("/api/book/file")
.then()
.statusCode(200)
.log().all();
}
@Test
@DisplayName("消息录制")
void testRecorder() {
RestAssured.baseURI = "http://localhost:8089";
RestAssured.useRelaxedHTTPSValidation();
wireMockServer.startRecording("");
given()
.when()
.post("/rest/user")
.then()
.statusCode(200)
.log().all();
wireMockServer.stopRecording();
}
@AfterAll
static void stopAll() {
wireMockServer.stop();
}
}
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