Show the GAV being searched for in DependencyInsight's instance name

src/main/java/org/openrewrite/java/dependencies/DependencyInsight.java

@@ -59,6 +59,19 @@ public class DependencyInsight extends Recipe {
     @Nullable
     String scope;
 
+    @Override
+    public String getInstanceNameSuffix() {
+        // Null when rendering the descriptor of an unconfigured recipe; a "null:null" suffix
+        // would then be shown wherever recipes are listed.
+        if (groupIdPattern == null || artifactIdPattern == null) {
+            return "";
+        }
+        if (version == null) {
+            return String.format("`%s:%s`", groupIdPattern, artifactIdPattern);
+        }
+        return String.format("`%s:%s:%s`", groupIdPattern, artifactIdPattern, version);
+    }
+
     @Override
     public TreeVisitor<?, ExecutionContext> getVisitor() {
         return new TreeVisitor<Tree, ExecutionContext>() {

src/test/java/org/openrewrite/java/dependencies/DependencyInsightTest.java

@@ -20,6 +20,7 @@
 import org.openrewrite.test.RecipeSpec;
 import org.openrewrite.test.RewriteTest;
 
+import static org.assertj.core.api.Assertions.assertThat;
 import static org.openrewrite.maven.Assertions.pomXml;
 
 class DependencyInsightTest implements RewriteTest {
@@ -29,6 +30,26 @@ public void defaults(RecipeSpec spec) {
         spec.recipe(new DependencyInsight("org.springframework*", "*", null, null));
     }
 
+    @Test
+    void instanceNameShowsWhatIsBeingSearchedFor() {
+        assertThat(new DependencyInsight("com.fasterxml.jackson*", "jackson-*", null, null).getInstanceName())
+          .isEqualTo("Dependency insight for Gradle and Maven `com.fasterxml.jackson*:jackson-*`");
+    }
+
+    @Test
+    void instanceNameIncludesVersionWhenGiven() {
+        assertThat(new DependencyInsight("com.fasterxml.jackson*", "jackson-*", "2.x", null).getInstanceName())
+          .isEqualTo("Dependency insight for Gradle and Maven `com.fasterxml.jackson*:jackson-*:2.x`");
+    }
+
+    @Test
+    void instanceNameOmitsTheSuffixWhenUnconfigured() {
+        // The descriptor of an unconfigured recipe is rendered wherever recipes are listed;
+        // it must not read "null:null".
+        assertThat(new DependencyInsight(null, null, null, null).getInstanceName())
+          .isEqualTo("Dependency insight for Gradle and Maven");
+    }
+
     @DocumentExample
     @Test
     void maven() {