feat: add gradle kotlin dsl support (#110)

## Description

Add support for Gradle Kotlin DSL

**Related issue:**
- Fixes: [TC-2293](https://issues.redhat.com/browse/TC-2293)
- Related:
guacsec/trustify-da-javascript-client#157

## Checklist

- [x] I have followed this repository's contributing guidelines.
- [x] I will adhere to the project's code of conduct.

Signed-off-by: Ruben Romero Montes <[email protected]>

Author: ruromero

.gitignore

@@ -23,6 +23,9 @@
 target
 .flattened-pom.xml
 
+# Gradle
+.gradle
+
 # Cache Files
 *.cache
 

README.md

@@ -77,7 +77,7 @@ encrypted-token-will-appear-here
 </li>
 
 <li>
-<em>Gradle</em> users, add a <em>maven-type repository</em> definition in <em>build.gradle</em>
+<em>Gradle</em> users, add a <em>maven-type repository</em> definition in <em>build.gradle</em> (Groovy DSL) or <em>build.gradle.kts</em> (Kotlin DSL)
 
 ```groovy
 repositories {

src/main/java/com/redhat/exhort/providers/GradleProvider.java

@@ -41,8 +41,8 @@
 
 /**
  * Concrete implementation of the {@link Provider} used for converting dependency trees for Gradle
- * projects (gradle.build) into a content Dot Graphs for Stack analysis or Json for Component
- * analysis.
+ * projects (gradle.build / gradle.build.kts) into a content Dot Graphs for Stack analysis or Json
+ * for Component analysis.
  */
 public final class GradleProvider extends BaseJavaProvider {
 
@@ -155,8 +155,9 @@ private String getDepInfo(String dependencyLine) {
 
   private String getDepFromNotation(String dependency, Path manifestPath) throws IOException {
     // Extract everything after "libs."
-    String alias = dependency.substring(dependency.indexOf("libs.") + "libs.".length());
-    alias = alias.replace(".", "-");
+    String alias = dependency.substring(dependency.indexOf("libs.") + "libs.".length()).trim();
+    alias = alias.replace(".", "-").replace(")", "");
+
     // Read and parse the TOML file
     TomlParseResult toml = Toml.parse(getLibsVersionsTomlPath(manifestPath));
     TomlTable librariesTable = toml.getTable("libraries");

src/main/java/com/redhat/exhort/tools/Ecosystem.java

@@ -75,6 +75,7 @@ public static Provider getProvider(final String manifestType) {
       case "requirements.txt":
         return new PythonPipProvider();
       case "build.gradle":
+      case "build.gradle.kts":
         return new GradleProvider();
 
       default:

src/test/java/com/redhat/exhort/impl/ExhortApiIT.java

@@ -42,6 +42,7 @@
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
+import java.util.List;
 import java.util.Map;
 import java.util.Optional;
 import java.util.Set;
@@ -54,7 +55,9 @@
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
 import org.junit.jupiter.params.provider.EnumSource;
+import org.junit.jupiter.params.provider.MethodSource;
 import org.mockito.MockedStatic;
 import org.mockito.Mockito;
 import org.mockito.invocation.InvocationOnMock;
@@ -85,8 +88,10 @@ static void beforeAll() {
             "package.json",
             "pypi",
             "requirements.txt",
-            "gradle",
-            "build.gradle");
+            "gradle-groovy",
+            "build.gradle",
+            "gradle-kotlin",
+            "build.gradle.kts");
   }
 
   @Tag("IntegrationTest")
@@ -97,17 +102,21 @@ static void afterAll() {
     api = null;
   }
 
+  private static List<Arguments> scenarios() {
+    return ecoSystemsManifestNames.entrySet().stream()
+        .map(e -> Arguments.of(e.getKey(), e.getValue()))
+        .collect(Collectors.toList());
+  }
+
   @Tag("IntegrationTest")
-  @ParameterizedTest
-  @EnumSource(
-      value = Ecosystem.Type.class,
-      names = {"GOLANG", "MAVEN", "NPM", "PYTHON", "GRADLE"})
-  void Integration_Test_End_To_End_Stack_Analysis(Ecosystem.Type packageManager)
+  @ParameterizedTest(name = "StackAnalysis for: {0} with manifest: {1}")
+  @MethodSource("scenarios")
+  void Integration_Test_End_To_End_Stack_Analysis(String useCase, String manifestFileName)
       throws IOException, ExecutionException, InterruptedException {
-    String manifestFileName = ecoSystemsManifestNames.get(packageManager.getType());
+    var provider = Ecosystem.getProvider(manifestFileName);
+    var packageManager = provider.ecosystem;
     String pathToManifest =
-        getFileFromResource(
-            manifestFileName, "tst_manifests", "it", packageManager.getType(), manifestFileName);
+        getFileFromResource(manifestFileName, "tst_manifests", "it", useCase, manifestFileName);
     preparePythonEnvironment(packageManager);
     // Github action runner with all maven and java versions seems to enter infinite loop in
     // integration tests of
@@ -126,16 +135,14 @@ private void releaseStaticMock(Ecosystem.Type packageManager) {
   }
 
   @Tag("IntegrationTest")
-  @ParameterizedTest
-  @EnumSource(
-      value = Ecosystem.Type.class,
-      names = {"GOLANG", "MAVEN", "NPM", "PYTHON", "GRADLE"})
-  void Integration_Test_End_To_End_Stack_Analysis_Mixed(Ecosystem.Type packageManager)
+  @ParameterizedTest(name = "StackAnalysis Mixed for: {0} with manifest: {1}")
+  @MethodSource("scenarios")
+  void Integration_Test_End_To_End_Stack_Analysis_Mixed(String useCase, String manifestFileName)
       throws IOException, ExecutionException, InterruptedException {
-    String manifestFileName = ecoSystemsManifestNames.get(packageManager.getType());
+    var provider = Ecosystem.getProvider(manifestFileName);
+    var packageManager = provider.ecosystem;
     String pathToManifest =
-        getFileFromResource(
-            manifestFileName, "tst_manifests", "it", packageManager.getType(), manifestFileName);
+        getFileFromResource(manifestFileName, "tst_manifests", "it", useCase, manifestFileName);
     preparePythonEnvironment(packageManager);
     // Github action runner with all maven and java versions seems to enter infinite loop in
     // integration tests of
@@ -150,16 +157,14 @@ void Integration_Test_End_To_End_Stack_Analysis_Mixed(Ecosystem.Type packageMana
   }
 
   @Tag("IntegrationTest")
-  @ParameterizedTest
-  @EnumSource(
-      value = Ecosystem.Type.class,
-      names = {"GOLANG", "MAVEN", "NPM", "PYTHON", "GRADLE"})
-  void Integration_Test_End_To_End_Stack_Analysis_Html(Ecosystem.Type packageManager)
+  @ParameterizedTest(name = "StackAnalysis HTML for: {0} with manifest: {1}")
+  @MethodSource("scenarios")
+  void Integration_Test_End_To_End_Stack_Analysis_Html(String useCase, String manifestFileName)
       throws IOException, ExecutionException, InterruptedException {
-    String manifestFileName = ecoSystemsManifestNames.get(packageManager.getType());
+    var provider = Ecosystem.getProvider(manifestFileName);
+    var packageManager = provider.ecosystem;
     String pathToManifest =
-        getFileFromResource(
-            manifestFileName, "tst_manifests", "it", packageManager.getType(), manifestFileName);
+        getFileFromResource(manifestFileName, "tst_manifests", "it", useCase, manifestFileName);
     preparePythonEnvironment(packageManager);
     // Github action runner with all maven and java versions seems to enter infinite loop in
     // integration tests of

src/test/java/com/redhat/exhort/providers/Gradle_Groovy_Provider_Test.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright © 2023 Red Hat, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.redhat.exhort.providers;
+
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+@ExtendWith(HelperExtension.class)
+@ExtendWith(MockitoExtension.class)
+class Gradle_Groovy_Provider_Test extends Gradle_Provider_Test {
+
+  @Override
+  String getManifestName() {
+    return "build.gradle";
+  }
+
+  @Override
+  String getProviderFolder() {
+    return "gradle-groovy";
+  }
+
+  @Override
+  String getSettingsName() {
+    return "settings.gradle";
+  }
+}

src/test/java/com/redhat/exhort/providers/Gradle_Kotlin_Provider_Test.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright © 2023 Red Hat, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.redhat.exhort.providers;
+
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+@ExtendWith(HelperExtension.class)
+@ExtendWith(MockitoExtension.class)
+class Gradle_Kotlin_Provider_Test extends Gradle_Provider_Test {
+
+  @Override
+  String getManifestName() {
+    return "build.gradle.kts";
+  }
+
+  @Override
+  String getProviderFolder() {
+    return "gradle-kotlin";
+  }
+
+  @Override
+  String getSettingsName() {
+    return "settings.gradle.kts";
+  }
+}