Add tests

src/main/java/ch/ivyteam/ivy/maven/validate/ValidateMojo.java

@@ -20,8 +20,8 @@
 public class ValidateMojo extends AbstractMojo {
 
   public static final String GOAL = "validate";
-  private static final String PLUGIN_GROUPID = "com.axonivy.ivy.ci";
-  private static final String PLUGIN_ARTIFACTID = "project-build-plugin";
+  protected static final String PLUGIN_GROUPID = "com.axonivy.ivy.ci";
+  protected static final String PLUGIN_ARTIFACTID = "project-build-plugin";
 
   @Parameter(defaultValue = "${session}", readonly = true, required = true)
   private MavenSession session;

src/test/java/ch/ivyteam/ivy/maven/validate/TestValidateMojo.java

@@ -0,0 +1,77 @@
+package ch.ivyteam.ivy.maven.validate;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+
+import java.io.File;
+import java.nio.file.Path;
+import java.util.List;
+
+import org.apache.maven.model.Plugin;
+import org.apache.maven.plugin.MojoExecutionException;
+import org.apache.maven.project.MavenProject;
+import org.junit.Rule;
+import org.junit.Test;
+
+import ch.ivyteam.ivy.maven.ProjectMojoRule;
+import ch.ivyteam.ivy.maven.log.LogCollector;
+
+
+public class TestValidateMojo {
+  private ValidateMojo mojo;
+
+  @Rule
+  public ProjectMojoRule<ValidateMojo> rule = new ProjectMojoRule<ValidateMojo>(
+          Path.of("src/test/resources/base"), ValidateMojo.GOAL) {
+    @Override
+    protected void before() throws Throwable {
+      super.before();
+      TestValidateMojo.this.mojo = getMojo();
+    }
+  };
+
+  @Test
+  public void samePluginVersions() throws Exception {
+    var log = new LogCollector();
+    rule.getMojo().setLog(log);
+    var p1 = createMavenProject("project1", "12.0.0");
+    var p2 = createMavenProject("project2", "12.0.0");
+    mojo.validateConsistentPluginVersion(List.of(p1, p2));
+    assertThat(log.getDebug()).hasSize(2);
+    assertThat(log.getDebug().get(0).toString())
+      .contains("com.axonivy.ivy.ci:project-build-plugin:12.0.0 configured in MavenProject: group:project1:12.0.0-SNAPSHOT");
+    assertThat(log.getDebug().get(1).toString())
+      .isEqualTo("com.axonivy.ivy.ci:project-build-plugin:12.0.0 configured in MavenProject: group:project2:12.0.0-SNAPSHOT");
+    assertThat(log.getErrors()).isEmpty();
+  }
+
+  @Test
+  public void differentPluginVersions() throws Exception {
+    var log = new LogCollector();
+    rule.getMojo().setLog(log);
+    var p1 = createMavenProject("project1", "12.0.0");
+    var p2 = createMavenProject("project2", "12.0.1");
+    assertThatThrownBy(() -> mojo.validateConsistentPluginVersion(List.of(p1, p2)))
+      .isInstanceOf(MojoExecutionException.class);
+    assertThat(log.getErrors()).hasSize(5);
+    assertThat(log.getErrors().get(0).toString()).isEqualTo("Several versions of project-build-plugins are configured [12.0.0, 12.0.1]:");
+    assertThat(log.getErrors().get(1).toString()).isEqualTo("12.0.0:");
+    assertThat(log.getErrors().get(2).toString()).contains("\tMavenProject: group:project1:12.0.0-SNAPSHOT");
+    assertThat(log.getErrors().get(3).toString()).isEqualTo("12.0.1:");
+    assertThat(log.getErrors().get(4).toString()).contains("\tMavenProject: group:project2:12.0.0-SNAPSHOT");
+  }
+
+  private MavenProject createMavenProject(String projectId, String version) {
+    var project = new MavenProject();
+    project.setGroupId("group");
+    project.setArtifactId(projectId);
+    project.setVersion("12.0.0-SNAPSHOT");
+    project.setFile(new File("src/test/resources/" + projectId));
+    var plugin = new Plugin();
+    plugin.setGroupId(ValidateMojo.PLUGIN_GROUPID);
+    plugin.setArtifactId(ValidateMojo.PLUGIN_ARTIFACTID);
+    plugin.setVersion(version);
+    project.getBuild().getPlugins().add(plugin);
+    return project;
+  }
+}