add some simple test cases

Author: patrickdevivo

pkg/comments/comments_test.go

@@ -0,0 +1,33 @@
+package comments
+
+import (
+	"testing"
+)
+
+func TestJSFiles(t *testing.T) {
+	var comments Comments
+	err := SearchDir("testdata/javascript", func(comment *Comment) {
+		comments = append(comments, comment)
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if len(comments) != 2 {
+		t.Fail()
+	}
+}
+
+func TestLispFiles(t *testing.T) {
+	var comments Comments
+	err := SearchDir("testdata/lisp", func(comment *Comment) {
+		comments = append(comments, comment)
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if len(comments) != 1 {
+		t.Fail()
+	}
+}

pkg/comments/testdata/javascript/hello_world.js

@@ -0,0 +1,9 @@
+// this is a js comment
+
+function helloWorld() {
+    return "hello world"
+}
+
+/* this is a block comment
+that spans multiple lines
+*/

pkg/comments/testdata/lisp/hello_world.lisp

@@ -0,0 +1,2 @@
+; Comment
+(+ 1 1)