Adds tests for the parser

src/test/java/net/knarcraft/ffmpegconverter/utility/ParserTest.java

@@ -1,14 +1,28 @@
 package net.knarcraft.ffmpegconverter.utility;
 
+import net.knarcraft.ffmpegconverter.parser.ConverterArgument;
+import net.knarcraft.ffmpegconverter.parser.ConverterArgumentValue;
+import org.junit.Before;
 import org.junit.Test;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
 
 import static junit.framework.TestCase.assertEquals;
 
 public class ParserTest {
 
+    private List<ConverterArgument> validArguments;
+
+    @Before
+    public void setUp() {
+        validArguments = new ArrayList<>();
+        validArguments.add(new ConverterArgument("anargument", 'a', true, ConverterArgumentValue.STRING));
+        validArguments.add(new ConverterArgument("turnoff", 't', false, ConverterArgumentValue.BOOLEAN));
+        validArguments.add(new ConverterArgument("turnon", 'o', false, ConverterArgumentValue.BOOLEAN));
+    }
+
     @Test
     public void tokenize() {
         List<String> tokens = Parser.tokenize("arg1 \"arg 2 long\" arg3 \"arg 4\"");
@@ -20,4 +34,27 @@ public class ParserTest {
         assertEquals(expected, tokens);
     }
 
+    @Test
+    public void parseValidInput() {
+        Map<String, String> parsed = Parser.parse("-t -a \"some Value\" --turnon false", validArguments);
+        assertEquals("some Value", parsed.get("anargument"));
+        assertEquals("true", parsed.get("turnoff"));
+        assertEquals("false", parsed.get("turnon"));
+    }
+
+    @Test (expected = IllegalArgumentException.class)
+    public void parseInvalidArgument() {
+        Parser.parse("--someInvalidArgument hahaha", validArguments);
+    }
+
+    @Test (expected = IllegalArgumentException.class)
+    public void parseValueWhenExpectingArgument() {
+        Parser.parse("somevalue", validArguments);
+    }
+
+    @Test (expected = IllegalArgumentException.class)
+    public void parseArgumentWithoutRequiredValue() {
+        Parser.parse("--anargument -t", validArguments);
+    }
+
 }