Create lexer and template

StencilTests/LexerTests.swift

@@ -0,0 +1,23 @@
+//
+//  LexerTests.swift
+//  Stencil
+//
+//  Created by Kyle Fuller on 24/10/2014.
+//  Copyright (c) 2014 Cocode. All rights reserved.
+//
+
+import Cocoa
+import XCTest
+import Stencil
+
+class LexerTests: XCTestCase {
+
+    func testTokenizeText() {
+        let lexer = Lexer(templateString:"Hello World")
+        let tokens = lexer.tokenize()
+
+        XCTAssertEqual(tokens.count, 1)
+        XCTAssertEqual(tokens.first!, Token.Text(value: "Hello World"))
+    }
+
+}