Update tests to work with required options.

src/test/java/de/tudresden/inf/mci/brailleplot/commandline/CommandLineParserTest.java

 package de.tudresden.inf.mci.brailleplot.commandline;
 
+import org.apache.commons.cli.MissingOptionException;
+import org.apache.commons.cli.ParseException;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 
@@ -16,7 +18,7 @@ class CommandLineParserTest {
 
     @Test
     void testParseLegalArgs() {
-        String[] args = {"-h ", "--csv-path", "foobar", "-p", "test", "-t", "title", "-x", "x-axis", "-y", "y-axis", "-d", "BarChart"};
+        String[] args = {"-h", "--csv-path", "foobar", "-p", "test", "-t", "title", "-x", "x-axis", "-y", "y-axis", "-d", "BarChart"};
         Assertions.assertDoesNotThrow(() -> {commandLineParser.parse(args);});
     }
 
@@ -29,12 +31,13 @@ class CommandLineParserTest {
     @Test
     void testEmptyArgs() {
         String[] args = {""};
-        Assertions.assertDoesNotThrow(() -> {commandLineParser.parse(args);});
+        Assertions.assertThrows(ParsingException.class, () -> {commandLineParser.parse(args);});
     }
 
     @Test
     void testBoolFlagRecognized() {
-        String[] args = {"-h"};
+        final String param = "xyz";
+        String[] args = {"--csv-path", param, "-p", param, "-t", param, "-x", param, "-y", param, "-d", param, "-i"};
         SettingsReader settings;
         try {
             settings = commandLineParser.parse(args);
@@ -42,14 +45,15 @@ class CommandLineParserTest {
             fail();
             return; // Never executed, satisfy compiler
         }
-        Optional<Boolean> flag = settings.isTrue(SettingType.DISPLAY_HELP);
+        Optional<Boolean> flag = settings.isTrue(SettingType.INHIBIT_PRINT);
         Assertions.assertTrue(flag.isPresent());
         Assertions.assertTrue(flag.get());
     }
 
     @Test
     void testBoolFlagCorrectlyNotRecognized() {
-        String[] args = {""};
+        final String param = "xyz";
+        String[] args = {"--csv-path", param, "-p", param, "-t", param, "-x", param, "-y", param, "-d", param};
         SettingsReader settings;
         try {
             settings = commandLineParser.parse(args);
@@ -57,14 +61,14 @@ class CommandLineParserTest {
             fail();
             return; // Never executed, satisfy compiler
         }
-        Optional<Boolean> flag = settings.isTrue(SettingType.DISPLAY_HELP);
+        Optional<Boolean> flag = settings.isTrue(SettingType.INHIBIT_PRINT);
         Assertions.assertFalse(flag.isPresent());
     }
 
     @Test
     void testParameterRecognized() {
         final String param = "xyz";
-        String[] args = {"--csv-path", param};
+        String[] args = {"--csv-path", param, "-p", param, "-t", param, "-x", param, "-y", param, "-d", param};
         SettingsReader settings;
         try {
             settings = commandLineParser.parse(args);
@@ -72,14 +76,21 @@ class CommandLineParserTest {
             fail();
             return; // Never executed, satisfy compiler
         }
-        Optional<String> flag = settings.getSetting(SettingType.CSV_LOCATION);
-        Assertions.assertTrue(flag.isPresent());
-        Assertions.assertTrue(flag.get().equals(param));
+        Optional<String> flag;
+        for (SettingType setting : new SettingType[]{
+                SettingType.CSV_LOCATION, SettingType.PRINTER_CONFIG_PATH, SettingType.DIAGRAM_TITLE,
+                SettingType.X_AXIS_LABEL, SettingType.X_AXIS_LABEL, SettingType.DIAGRAM_TYPE}
+                ) {
+            flag = settings.getSetting(setting);
+            Assertions.assertTrue(flag.isPresent());
+            Assertions.assertTrue(flag.get().equals(param));
+        }
     }
 
     @Test
     void testParameterCorrectlyNotRecognized() {
-        String[] args = {""};
+        final String param = "xyz";
+        String[] args = {"--csv-path", param, "-p", param, "-t", param, "-x", param, "-y", param, "-d", param};
         SettingsReader settings;
         try {
             settings = commandLineParser.parse(args);
@@ -87,7 +98,7 @@ class CommandLineParserTest {
             fail();
             return; // Never executed, satisfy compiler
         }
-        Optional<String> flag = settings.getSetting(SettingType.CSV_LOCATION);
+        Optional<String> flag = settings.getSetting(SettingType.SVG_EXPORT);
         Assertions.assertFalse(flag.isPresent());
     }
 }