Finished config parser to read race info from external xml file

- created config parser unit test.
- modified config.xml file
- write unit test for config parser

#story[422]

src/test/java/seng302/models/parsers/ConfigParserTest.java

@@ -0,0 +1,42 @@
+package seng302.models.parsers;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Created by Haoming on 23/03/17.
+ */
+public class ConfigParserTest {
+
+	private ConfigParser cp;
+
+	@Before
+	public void initializeParser() throws Exception {
+		cp = new ConfigParser("doc/examples/config.xml");
+	}
+
+	@Test
+	public void getWindDirection() throws Exception {
+		assertEquals(135, cp.getWindDirection(), 1e-10);
+	}
+
+	@Test
+	public void getTimeScale() throws Exception {
+		assertEquals(1.0, cp.getTimeScale(), 1e-10);
+	}
+
+	@Test
+	public void getDoubleByTagName() throws Exception {
+		assertEquals(6, cp.getDoubleByTagName("race-size", 0), 1e-10);
+		assertEquals(100, cp.getDoubleByTagName("noTag", 100), 1e-10);
+	}
+
+	@Test
+	public void getStringByTagName() throws Exception {
+		assertEquals("AC35", cp.getStringByTagName("race-name", "11"));
+		assertEquals("oops", cp.getStringByTagName("noTag", "oops"));
+	}
+
+}