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introduction to wiremock

This commit is contained in:
Thai Nguyen 2016-05-29 14:02:06 +07:00
parent e8bbe6eba6
commit db9ecdb239
1 changed files with 85 additions and 11 deletions
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96
rest-testing/src/test/java/com/baeldung/rest/wiremock/introduction/JUnitManaged.java
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@ -1,12 +1,17 @@
package com.baeldung.rest.wiremock.introduction; package com.baeldung.rest.wiremock.introduction;
import static com.github.tomakehurst.wiremock.client.WireMock.aResponse; import static com.github.tomakehurst.wiremock.client.WireMock.aResponse;
import static com.github.tomakehurst.wiremock.client.WireMock.configureFor; import static com.github.tomakehurst.wiremock.client.WireMock.equalTo;
import static com.github.tomakehurst.wiremock.client.WireMock.get; import static com.github.tomakehurst.wiremock.client.WireMock.get;
import static com.github.tomakehurst.wiremock.client.WireMock.getRequestedFor; import static com.github.tomakehurst.wiremock.client.WireMock.getRequestedFor;
import static com.github.tomakehurst.wiremock.client.WireMock.post;
import static com.github.tomakehurst.wiremock.client.WireMock.postRequestedFor;
import static com.github.tomakehurst.wiremock.client.WireMock.stubFor; import static com.github.tomakehurst.wiremock.client.WireMock.stubFor;
import static com.github.tomakehurst.wiremock.client.WireMock.urlEqualTo; import static com.github.tomakehurst.wiremock.client.WireMock.urlEqualTo;
import static com.github.tomakehurst.wiremock.client.WireMock.urlPathEqualTo;
import static com.github.tomakehurst.wiremock.client.WireMock.urlPathMatching; import static com.github.tomakehurst.wiremock.client.WireMock.urlPathMatching;
import static com.github.tomakehurst.wiremock.client.WireMock.matching;
import static com.github.tomakehurst.wiremock.client.WireMock.containing;
import static com.github.tomakehurst.wiremock.client.WireMock.verify; import static com.github.tomakehurst.wiremock.client.WireMock.verify;
import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertEquals;
@ -16,6 +21,8 @@ import java.util.Scanner;
import org.apache.http.HttpResponse; import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet; import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients; import org.apache.http.impl.client.HttpClients;
import org.junit.Rule; import org.junit.Rule;
@ -28,14 +35,13 @@ public class JUnitManaged {
public WireMockRule wireMockRule = new WireMockRule(); public WireMockRule wireMockRule = new WireMockRule();
@Test @Test
public void givenJUnitManagedServer_whenStubbingURL_thenCorrect() throws IOException { public void givenJUnitManagedServer_whenMatchingURL_thenCorrect() throws IOException {
configureFor("localhost", 8080);
stubFor(get(urlPathMatching("/baeldung/.*")).willReturn(aResponse().withStatus(200).withHeader("Content-Type", "application/json").withBody("\"testing-library\": \"WireMock\""))); stubFor(get(urlPathMatching("/baeldung/.*")).willReturn(aResponse().withStatus(200).withHeader("Content-Type", "application/json").withBody("\"testing-library\": \"WireMock\"")));
CloseableHttpClient httpClient = HttpClients.createDefault(); CloseableHttpClient httpClient = HttpClients.createDefault();
HttpGet request = new HttpGet("http://localhost:8080/baeldung/wiremock"); HttpGet request = new HttpGet("http://localhost:8080/baeldung/wiremock");
HttpResponse httpResponse = httpClient.execute(request); HttpResponse httpResponse = httpClient.execute(request);
String stringResponse = convertResponseToString(httpResponse); String stringResponse = convertHttpResponseToString(httpResponse);
verify(getRequestedFor(urlEqualTo("/baeldung/wiremock"))); verify(getRequestedFor(urlEqualTo("/baeldung/wiremock")));
assertEquals(200, httpResponse.getStatusLine().getStatusCode()); assertEquals(200, httpResponse.getStatusLine().getStatusCode());
@ -43,11 +49,79 @@ public class JUnitManaged {
assertEquals("\"testing-library\": \"WireMock\"", stringResponse); assertEquals("\"testing-library\": \"WireMock\"", stringResponse);
} }
private String convertResponseToString(HttpResponse response) throws IOException { @Test
InputStream responseStream = response.getEntity().getContent(); public void givenJUnitManagedServer_whenMatchingHeaders_thenCorrect() throws IOException {
Scanner scanner = new Scanner(responseStream, "UTF-8"); stubFor(get(urlPathEqualTo("/baeldung/wiremock")).withHeader("Accept", matching("text/.*")).willReturn(aResponse().withStatus(503).withBody("!!! Service Unavailable !!!")));
String stringResponse = scanner.useDelimiter("\\Z").next();
scanner.close(); CloseableHttpClient httpClient = HttpClients.createDefault();
return stringResponse; HttpGet request = new HttpGet("http://localhost:8080/baeldung/wiremock");
request.addHeader("Accept", "text/xml");
HttpResponse httpResponse = httpClient.execute(request);
String stringResponse = convertHttpResponseToString(httpResponse);
verify(getRequestedFor(urlEqualTo("/baeldung/wiremock")));
assertEquals(503, httpResponse.getStatusLine().getStatusCode());
assertEquals("!!! Service Unavailable !!!", stringResponse);
} }
}
// @Test
public void givenJUnitManagedServer_whenMatchingBody_thenCorrect() throws IOException {
stubFor(post(urlEqualTo("/baeldung/wiremock")).withHeader("Content-Type", equalTo("application/json")).withRequestBody(containing("\"testing-library\": \"WireMock\"")).withRequestBody(containing("\"creator\": \"Tom Akehurst\""))
.withRequestBody(containing("\"website\": \"wiremock.org\"")).willReturn(aResponse().withStatus(200)));
InputStream jsonInputStream = this.getClass().getClassLoader().getResourceAsStream("wiremock_intro.json");
String jsonString = convertInputStreamToString(jsonInputStream);
StringEntity entity = new StringEntity(jsonString);
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpPost request = new HttpPost("http://localhost:8080/baeldung/wiremock");
request.addHeader("Content-Type", "application/json");
request.setEntity(entity);
HttpResponse response = httpClient.execute(request);
assertEquals(200, response.getStatusLine().getStatusCode());
verify(postRequestedFor(urlEqualTo("/baeldung/wiremock")).withHeader("Content-Type", equalTo("application/json")));
}
@Test
public void givenJUnitManagedServer_whenNotUsingPriority_thenCorrect() throws IOException {
stubFor(get(urlPathMatching("/baeldung/.*")).willReturn(aResponse().withStatus(200)));
stubFor(get(urlPathEqualTo("/baeldung/wiremock")).withHeader("Accept", matching("text/.*")).willReturn(aResponse().withStatus(503)));
HttpResponse httpResponse = generateClientAndReceiveResponseForPriorityTests();
verify(getRequestedFor(urlEqualTo("/baeldung/wiremock")));
assertEquals(503, httpResponse.getStatusLine().getStatusCode());
}
@Test
public void givenJUnitManagedServer_whenUsingPriority_thenCorrect() throws IOException {
stubFor(get(urlPathMatching("/baeldung/.*")).atPriority(1).willReturn(aResponse().withStatus(200)));
stubFor(get(urlPathEqualTo("/baeldung/wiremock")).atPriority(2).withHeader("Accept", matching("text/.*")).willReturn(aResponse().withStatus(503)));
HttpResponse httpResponse = generateClientAndReceiveResponseForPriorityTests();
verify(getRequestedFor(urlEqualTo("/baeldung/wiremock")));
assertEquals(200, httpResponse.getStatusLine().getStatusCode());
}
private String convertHttpResponseToString(HttpResponse httpResponse) throws IOException {
InputStream inputStream = httpResponse.getEntity().getContent();
return convertInputStreamToString(inputStream);
}
private String convertInputStreamToString(InputStream inputStream) {
Scanner scanner = new Scanner(inputStream, "UTF-8");
String string = scanner.useDelimiter("\\Z").next();
scanner.close();
return string;
}
private HttpResponse generateClientAndReceiveResponseForPriorityTests() throws IOException {
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpGet request = new HttpGet("http://localhost:8080/baeldung/wiremock");
request.addHeader("Accept", "text/xml");
return httpClient.execute(request);
}
}