Streamlined unit tests

Triangle.Compiler/src/test/java/triangle/syntacticAnalyser/TestScanner.java

@@ -2,15 +2,12 @@ package triangle.syntacticAnalyser;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertThrows;
 
 import org.junit.Test;
 import org.junit.function.ThrowingRunnable;
 
 import triangle.ErrorReporter;
-import triangle.abstractSyntaxTrees.AbstractSyntaxTree;
 import triangle.syntacticAnalyzer.Parser;
 import triangle.syntacticAnalyzer.Scanner;
 import triangle.syntacticAnalyzer.SourceFile;
@@ -19,10 +16,28 @@ public class TestScanner {
 
 	@Test
 	public void testHi() {
+		compileExpectSuccess("/hi.tri");
+	}
+	
+
+	@Test
+	public void testHiNewComment() {
+		compileExpectFailure("/hi-newcomment.tri");
+	}
+	
+
+	@Test
+	public void testHiNewComment2() {
+		compileExpectFailure("/hi-newcomment2.tri");
+	}
+	
+	
+	
+	private void compileExpectSuccess(String filename) {
 		// build.gradle has a line sourceSets.test.resources.srcDir file("$rootDir/programs")
 		// which adds the programs directory to the list of places Java can easily find files
 		// getResource() below searches for a file, which is in /programs 
-		SourceFile source = SourceFile.ofPath(this.getClass().getResource("/hi.tri").getFile().toString());
+		SourceFile source = SourceFile.ofPath(this.getClass().getResource(filename).getFile().toString());
 
 		Scanner scanner = new Scanner(source);
 		ErrorReporter reporter = new ErrorReporter(true);
@@ -32,14 +47,11 @@ public class TestScanner {
 		
 		// we should get to here with no exceptions
 		
-		assertEquals("Problem compiling hi.tri", 0, reporter.getNumErrors());
+		assertEquals("Problem compiling " + filename, 0, reporter.getNumErrors());
 	}
 	
-
-	@Test
-	public void testHiNewComment() {
-		SourceFile source = SourceFile.ofPath(this.getClass().getResource("/hi-newcomment.tri").getFile().toString());
-
+	private void compileExpectFailure(String filename) {
+		SourceFile source = SourceFile.ofPath(this.getClass().getResource(filename).getFile().toString());
 		Scanner scanner = new Scanner(source);
 		ErrorReporter reporter = new ErrorReporter(true);
 		Parser parser = new Parser(scanner, reporter);
@@ -52,7 +64,7 @@ public class TestScanner {
 		});
 		
 		// currently this program will fail
-		assertNotEquals("Problem compiling hi-newcomment.tri", 0, reporter.getNumErrors());
+		assertNotEquals("Problem compiling " + filename, 0, reporter.getNumErrors());
 	}
 
 }