WireMockでHTTPをモックしよう

2022/8/6 Java Do データアクセスについて聞きたい・話したい！
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10. +BWBͷϥΠϒϥϦΛར༻ͯ͠+6OJUͰىಈ͢Δ @WireMockTest public class HelloWireMockTest { @Test void helloΛฦ͢(WireMockRuntimeInfo wmRuntimeInfo) { stubFor(get("/hello").willReturn(okJson("{ \"message\": \"hello\" }"))); String baseUrl = wmRuntimeInfo.getHttpBaseUrl(); WebTestClient webTestClient = WebTestClient.bindToServer().baseUrl(baseUrl).build(); webTestClient .get() .uri("hello") .accept(MediaType.APPLICATION_JSON) .exchange() .expectStatus() .isOk() .expectBody() .jsonPath("$.message") .isEqualTo("hello"); } }
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12. %PDLFSΠϝʔδΛىಈ͢Δ $ docker run -it --rm -p 8080:8080 wiremock/wiremock:2.33.2 SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder". SLF4J: Defaulting to no-operation (NOP) logger implementation SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details. /$$ /$$ /$$ /$$ /$$ /$$ | $$ /$ | $$|__/ | $$$ /$$$ | $$ | $$ /$$$| $$ /$$ /$$$$$$ /$$$$$$ | $$$$ /$$$$ /$$$$$$ /$$$$$$$| $$ /$$ | $$/$$ $$ $$| $$ /$$__ $$ /$$__ $$| $$ $$/$$ $$ /$$__ $$ /$$_____/| $$ /$$/ | $$$$_ $$$$| $$| $$ \__/| $$$$$$$$| $$ $$$| $$| $$ \ $$| $$ | $$$$$$/ | $$$/ \ $$$| $$| $$ | $$_____/| $$\ $ | $$| $$ | $$| $$ | $$_ $$ | $$/ \ $$| $$| $$ | $$$$$$$| $$ \/ | $$| $$$$$$/| $$$$$$$| $$ \ $$ |__/ \__/|__/|__/ \_______/|__/ |__/ \______/ \_______/|__/ \__/ port: 8080 enable-browser-proxying: false disable-banner: false no-request-journal: false verbose: false $ curl -X POST \ —data '{ "request": { "url": "/hello", "method": "GET" }, "response": { "status": 200, "body": "{ \"message\": \"hello\"} ", "headers": { "Content-Type": "application/json" }}}' \ http://localhost:8080/__admin/mappings/new $ curl http://localhost:8080/hello { "message": "hello"} %
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14. ελϒͷ࡞੒ @WireMockTest public class BasicStubbing { @Test void stubing(WireMockRuntimeInfo wmRuntimeInfo) { stubFor(get("/hello").willReturn(aResponse().withStatus(200).withBody("Hello World!"))); WebTestClient webTestClient = WebTestClient.bindToServer().baseUrl(wmRuntimeInfo.getHttpBaseUrl()).build(); webTestClient .get() .uri("/hello") .exchange() .expectStatus() .isOk() .expectBody(String.class) .isEqualTo("Hello World!"); } }
15. ϦΫΤετϚονϯά 63-ϚονϯάͰਖ਼نදݱΛར༻͢Δ @WireMockTest public class Matching { @Test void urlRegex(WireMockRuntimeInfo wmRuntimeInfo) { stubFor(get("/users/*").atPriority(10).willReturn(notFound())); stubFor(get(urlMatching("/users/(123|456)")).willReturn(okJson("{ \"message\": \"hello\" }"))); WebTestClient webTestClient = WebTestClient.bindToServer().baseUrl(wmRuntimeInfo.getHttpBaseUrl()).build(); webTestClient .get() .uri(uriBuilder -> uriBuilder.path("/users/{id}").build("123")) .exchange() .expectStatus() .isOk() .expectBody() .jsonPath("$.message") .isEqualTo("hello"); webTestClient .get() .uri(uriBuilder -> uriBuilder.path("/users/{id}").build("789")) .exchange() .expectStatus() .isNotFound(); } }
16. ϦΫΤετϚονϯά ϦΫΤετͷଐੑΛར༻ͨ͠Ϛονϯά @WireMockTest public class Matching { @Test void header(WireMockRuntimeInfo wmRuntimeInfo) { stubFor( get("/users/123") .withHeader("Accept", equalTo("application/json")) .willReturn(okJson("{ \"message\": \"hello\" }"))); stubFor(get("/users/123").withHeader("Accept", equalTo("text/plain")).willReturn(ok("hello"))); WebTestClient webTestClient = WebTestClient.bindToServer().baseUrl(wmRuntimeInfo.getHttpBaseUrl()).build(); webTestClient .get() .uri("/users/123") .accept(MediaType.APPLICATION_JSON) .exchange() .expectStatus() .isOk() .expectBody() .jsonPath("$.message") .isEqualTo("hello"); webTestClient .get() .uri("/users/123") .accept(MediaType.TEXT_PLAIN) .exchange() .expectStatus() .isOk() .expectBody(String.class) .isEqualTo("hello"); } }
17. ϨεϙϯεςϯϓϨʔτ public class Templating { @RegisterExtension static WireMockExtension wireMockExtension = new WireMockExtension.Builder() .options( WireMockConfiguration.wireMockConfig() .dynamicPort() .extensions(new ResponseTemplateTransformer(true))) .build(); @Test void templated() { wireMockExtension.stubFor( get("/templated") .willReturn( aResponse() .withBody("{{request.headers.X-Request-Id}}") .withTransformers("respones-template"))); WebTestClient webTestClient = WebTestClient.bindToServer() .baseUrl(wireMockExtension.getRuntimeInfo().getHttpBaseUrl()) .build(); webTestClient .get() .uri("/templated") .header("X-Request-Id", "123") .exchange() .expectStatus() .isOk() .expectBody(String.class) .equals("123"); } }
18. ো֐ΛγϛϡϨʔγϣϯ @WireMockTest public class SimulationgFaults { @Test void timeout(WireMockRuntimeInfo wmRuntimeInfo) { stubFor(get("/delayed").willReturn(aResponse().withStatus(200).withFixedDelay(3000))); WebTestClient webTestClient = WebTestClient.bindToServer() .baseUrl(wmRuntimeInfo.getHttpBaseUrl()) .responseTimeout(Duration.ofMillis(2000)) .build(); assertThatThrownBy( () -> { webTestClient.get().uri("/delayed").exchange().expectStatus().isOk(); }) .isInstanceOf(IllegalStateException.class) .hasMessageContaining("Timeout"); } }
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