chore: test clients with WireMock

Author: tomasbjerre

build.gradle

@@ -23,15 +23,17 @@ dependencies {
 
 	testImplementation 'org.slf4j:slf4j-simple:2.0.17'
 	testImplementation "org.junit.jupiter:junit-jupiter:5.13.4"
-	testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
+	testRuntimeOnly "org.junit.platform:junit-platform-launcher:1.13.4"
 	testImplementation 'org.assertj:assertj-core:3.27.6'
 	testImplementation 'com.approvaltests:approvaltests:25.4.3'
 	testImplementation 'org.mockito:mockito-core:5.20.0'
+	testImplementation 'org.wiremock:wiremock-standalone:3.13.1'
 }
 
 test {
 	useJUnitPlatform()
 }
 
-sourceCompatibility=17
-targetCompatibility=17
+javaExtension {
+	javaVersion = 17
+}

settings.gradle

@@ -7,5 +7,5 @@ pluginManagement {
 }
 
 plugins {
-	id "se.bjurr.gradle.bundle-jar" version "1.1.2" apply false
+	id "se.bjurr.gradle.bundle-jar" version "latest-SNAPSHOT" apply false
 }

src/test/java/se/bjurr/gitchangelog/internal/integrations/jira/JiraClientIntegrationTest.java

@@ -0,0 +1,97 @@
+package se.bjurr.gitchangelog.internal.integrations.jira;
+
+import static com.github.tomakehurst.wiremock.client.WireMock.aResponse;
+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.urlPathEqualTo;
+import static org.assertj.core.api.Assertions.assertThat;
+
+import com.github.tomakehurst.wiremock.WireMockServer;
+import com.github.tomakehurst.wiremock.core.WireMockConfiguration;
+import java.util.Optional;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import se.bjurr.gitchangelog.api.exceptions.GitChangelogIntegrationException;
+
+public class JiraClientWireMockTest {
+
+  private WireMockServer wireMockServer;
+  private DefaultJiraClient jiraClient;
+  private String baseUrl;
+
+  @BeforeEach
+  public void setUp() {
+    wireMockServer = new WireMockServer(WireMockConfiguration.options().dynamicPort());
+    wireMockServer.start();
+    baseUrl = "http://localhost:" + wireMockServer.port();
+    jiraClient = new DefaultJiraClient(baseUrl);
+  }
+
+  @AfterEach
+  public void tearDown() {
+    if (wireMockServer != null) {
+      wireMockServer.stop();
+    }
+  }
+
+  @Test
+  public void testGetIssueSuccess() throws GitChangelogIntegrationException {
+    String mockResponse =
+        """
+        {
+          "key": "TEST-123",
+          "fields": {
+            "summary": "Test Summary",
+            "description": "Test Description",
+            "issuetype": {"name": "Bug"},
+            "labels": ["test"],
+            "parent": null,
+            "issuelinks": []
+          }
+        }
+        """;
+
+    wireMockServer.stubFor(
+        get(urlPathEqualTo("/rest/api/2/issue/TEST-123"))
+            .withQueryParam(
+                "fields", equalTo("parent,summary,issuetype,labels,description,issuelinks"))
+            .willReturn(
+                aResponse()
+                    .withStatus(200)
+                    .withHeader("Content-Type", "application/json")
+                    .withBody(mockResponse)));
+
+    Optional<JiraIssue> result = jiraClient.getIssue("TEST-123");
+
+    assertThat(result).isPresent();
+    JiraIssue issue = result.get();
+    assertThat(issue.getIssue()).isEqualTo("TEST-123");
+    assertThat(issue.getTitle()).isEqualTo("Test Summary");
+    assertThat(issue.getDescription()).isEqualTo("Test Description");
+    assertThat(issue.getIssueType()).isEqualTo("Bug");
+    assertThat(issue.getLink()).isEqualTo(baseUrl + "/browse/TEST-123");
+  }
+
+  @Test
+  public void testGetIssueNotFound() throws GitChangelogIntegrationException {
+    wireMockServer.stubFor(
+        get(urlPathEqualTo("/rest/api/2/issue/NOTFOUND-123"))
+            .willReturn(aResponse().withStatus(404).withBody("Issue not found")));
+
+    Optional<JiraIssue> result = jiraClient.getIssue("NOTFOUND-123");
+
+    assertThat(result).isEmpty();
+  }
+
+  @Test
+  public void testGetIssueServerError() throws GitChangelogIntegrationException {
+    wireMockServer.stubFor(
+        get(urlPathEqualTo("/rest/api/2/issue/ERROR-123"))
+            .willReturn(aResponse().withStatus(500).withBody("Internal Server Error")));
+
+    Optional<JiraIssue> result = jiraClient.getIssue("ERROR-123");
+
+    assertThat(result).isEmpty();
+  }
+}