test: upgrade test suite to use JUnit 5 (#326)

.gitignore

@@ -12,3 +12,4 @@ target
 # Spoon
 spooned
 .settings
+spoon.classpath.tmp

pom.xml

@@ -28,8 +28,6 @@
     <!-- Dependencies -->
     <cli.version>1.9.0</cli.version>
 
-    <!-- Test dependencies -->
-    <junit.version>4.13.2</junit.version>
   </properties>
 
   <dependencies>
@@ -82,11 +80,24 @@
     </dependency>
 
     <dependency>
-      <groupId>junit</groupId>
-      <artifactId>junit</artifactId>
-      <version>${junit.version}</version>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter-api</artifactId>
+      <version>5.11.1</version>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter-params</artifactId>
+      <version>5.11.1</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.hamcrest</groupId>
+      <artifactId>hamcrest</artifactId>
+      <version>3.0</version>
+      <scope>test</scope>
+    </dependency>
+
   </dependencies>
 
   <build>

src/main/java/gumtree/spoon/AstComparator.java

@@ -66,7 +66,7 @@ public Diff compare(File f1, File f2) throws Exception {
 			return compare(ctPackage1, ctPackage2);
 		}
 	}
-	
+
 	/**
 	 * compares two AST nodes from two files according with a given configuration
 	 */
@@ -101,8 +101,8 @@ public Diff compare(String left, String right, DiffConfiguration configuration)
 		return compare(getCtPackage(left, getFilename(left)), getCtPackage(right, getFilename(right)),configuration);
 	}
 
-	
-	
+
+
 	/**
 	 * compares two snippets that come from the files given as argument
 	 */
@@ -118,15 +118,15 @@ public Diff compare(CtElement left, CtElement right) {
 		return new DiffImpl(scanner.getTreeContext(), scanner.getTree(left), scanner.getTree(right));
 	}
 
-	
+
 	/**
 	 * compares two AST nodes according with a given configuration
 	 */
 	public Diff compare(CtElement left, CtElement right, DiffConfiguration configuration) {
 		final SpoonGumTreeBuilder scanner = new SpoonGumTreeBuilder();
 		return new DiffImpl(scanner.getTreeContext(), scanner.getTree(left), scanner.getTree(right),configuration);
 	}
-	
+
 
 
 	public CtType getCtType(File file) throws Exception {