How to use

ArgumentParser

in

com.netflix.hollow.api.codegen

@Test
public void test_noCommands() {
  assertEquals(Arrays.asList(), new ArgumentParser<Commands>(Commands.class, new String[] {}).getParsedArguments());
}

@Test(expected = IllegalArgumentException.class)
public void test_missingDash() {
  new ArgumentParser<Commands>(Commands.class, new String[]{"-orderCoffee=f"});
}

@Test(expected = IllegalArgumentException.class)
public void test_missingArgument() {
  new ArgumentParser<Commands>(Commands.class, new String[]{"--compileOnFirstTry=f"});
}

  private void assertParsedArgument(String commandLineArg, Commands key, String value) {
    ArgumentParser<Commands>.ParsedArgument parsed = new ArgumentParser<>(Commands.class, new String[] {
      commandLineArg}).getParsedArguments().get(0);
    assertEquals(key, parsed.getKey());
    assertEquals(value, parsed.getValue());
  }
}

@Test(expected = IllegalArgumentException.class)
public void test_missingValue() {
  new ArgumentParser<Commands>(Commands.class, new String[]{"--orderCoffee"});
}

@Test
public void test_validCommands() {
  assertEquals(3, new ArgumentParser<Commands>(Commands.class, new String[] {
    "--orderCoffee=first", "--drinkCoffee=next", "--writeArgumentParserClass=yay"}).getParsedArguments().size());
  assertParsedArgument("--orderCoffee=fi.rst", Commands.orderCoffee, "fi.rst");
  assertParsedArgument("--drinkCoffee=ne/x--t", Commands.drinkCoffee, "ne/x--t");
  assertParsedArgument("--writeArgumentParserClass=compl_ete", Commands.writeArgumentParserClass, "compl_ete");
}

String pathToGeneratedFiles = null;
HollowObjectMapper mapper = new HollowObjectMapper(engine);
ArgumentParser<GeneratorArguments> argumentParser = new ArgumentParser(GeneratorArguments.class, args);
for (ArgumentParser<GeneratorArguments>.ParsedArgument arg : argumentParser.getParsedArguments()) {
  switch (arg.getKey()) {
    case addToDataModel:

HollowAPIGenerator.Builder builder = new HollowAPIGenerator.Builder();
HollowObjectMapper mapper = new HollowObjectMapper(engine);
ArgumentParser<GeneratorArguments> argumentParser = new ArgumentParser(GeneratorArguments.class, args);
for (ArgumentParser<GeneratorArguments>.ParsedArgument arg : argumentParser.getParsedArguments()) {
  switch (arg.getKey()) {
    case addToDataModel: