testCommand() for refactor of test (#41)

parser.js

@@ -78,6 +78,32 @@ class Parser {
   parse() {
     let cmdsExecutors = [];
     while (this.remainingTokens()) {
+      let token = this.nextToken();
+      let cmd = undefined;
+
+      // testCommand to refactor
+      function testCommand(value, data) { return value.test(data) }
+
+      if (testCommand(movement, token)) {
+        cmd = new Command(token, parseFloat(this.nextToken()));
+      } else if (testCommand(noArgsCalls, token)) {
+        cmd = new Command(token);
+      } else if (testCommand(repeat, token)) {
+        cmd = new Command(token, parseInt(this.nextToken()));
+        let toRepeat = this.getRepeat();
+        let parser = new Parser(toRepeat);
+        cmd.commands = parser.parse();
+      } else if (testCommand(setxy,token)) {
+        cmd = new Command(token);
+        let argX = this.nextToken();
+        let argY = this.nextToken();
+        cmd.arg = [parseFloat(argX), parseFloat(argY)];
+      } else if (testCommand(color, token)) {
+        cmd = new Command(token, this.nextToken());
+      } else if (testCommand(setxySingle,token)) {
+        cmd = new Command(token, parseFloat(this.nextToken()));
+      }
+
       const actualToken = this.nextToken();
       let cmd = commandLookUp.get(actualToken);