java -version
java version "1.8.0_112"
Java(TM) SE Runtime Environment (build 1.8.0_112-b15)
Java HotSpot(TM) 64-Bit Server VM (build 25.112-b15, mixed mode)

scala -version
Scala code runner version 2.12.0 -- Copyright 2002-2016, LAMP/EPFL and Lightbend, Inc.

cd marsrover
mkdir out
scalac src/marsrover.scala src/models.scala src/parsing.scala src/test/test_marsrover.scala -d out/

scala -cp out/ Test <test input files dir> <test output files dir>

scala -cp out/ Test src/test/inputs/ src/test/outputs

Checking if C:\hg\scala_projects\marsrover\src\test\inputs\all_left.txt is equivalent to C:\hg\scala_projects\marsrover\src\test\outputs\all_left.txt
0 0 N

0 0 N

Checking if C:\hg\scala_projects\marsrover\src\test\inputs\edges.txt is equivalent to C:\hg\scala_projects\marsrover\src\test\outputs\edges.txt
10 10 E
10 10 N

10 10 E
10 10 N

Checking if C:\hg\scala_projects\marsrover\src\test\inputs\example.txt is equivalent to C:\hg\scala_projects\marsrover\src\test\outputs\example.txt
1 3 N
5 1 E

1 3 N
5 1 E

All good!

scala -cp out/ Main <your sample file to input> <optional sample file to output; if not present will print to stdout>

scala -cp out/ Main src/test/inputs/example.txt
1 3 N
5 1 E