refactoring: Cli-Parser

cli-parser/src/test/java/mc/cliparser/CommandLineParserTest.java

@@ -0,0 +1,73 @@
+package mc.cliparser;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class CommandLineParserTest {
+
+	@Test
+	void optionTest() {
+		Option option = Option.builder().shortName("v").build();
+		assertNull(option.longName());
+		assertFalse(option.hasArgs());
+
+		option = Option.builder().longName("version").build();
+		assertNull(option.shortName());
+		assertFalse(option.hasArgs());
+
+		option = Option.builder().shortName("v").longName("value1").hasArgs(true).build();
+		assertNotNull(option.shortName());
+		assertNotNull(option.longName());
+		assertTrue(option.hasArgs());
+	}
+
+	@Test
+	void shortOptionFlag() {
+		Option option = Option.builder().shortName("v").build();
+
+		var parser = new CommandLineParser();
+		parser.addOption(option);
+
+		CommandLine commandLine = parser.parse(new String[]{ "-v" });
+		assertTrue(commandLine.has(option));
+	}
+
+	@Test
+	void longOptionFlag() {
+		Option option = Option.builder().longName("version").build();
+
+		var parser = new CommandLineParser();
+		parser.addOption(option);
+
+		CommandLine commandLine = parser.parse(new String[]{ "--version" });
+		assertTrue(commandLine.has(option));
+	}
+
+	@Test
+	void argsOption() {
+		Option option1 = Option.builder().shortName("v").longName("value1").hasArgs(true).build();
+		Option option2 = Option.builder().shortName("a").longName("value2").hasArgs(true).build();
+
+		var parser = new CommandLineParser();
+		parser.addOption(option1);
+		parser.addOption(option2);
+
+		CommandLine commandLine = parser.parse(new String[]{ "--value1", "arg1", "-a", "arg2"  });
+		assertTrue(commandLine.has(option1));
+		assertEquals("arg1", option1.value());
+		assertTrue(commandLine.has(option2));
+		assertEquals("arg2", option2.value());
+	}
+
+	@Test
+	void noPassOption() {
+		Option option = Option.builder().longName("version").build();
+
+		var parser = new CommandLineParser();
+		parser.addOption(option);
+
+		CommandLine commandLine = parser.parse(new String[]{ "--any-opt" });
+		assertFalse(commandLine.has(option));
+	}
+}