@Theory
public void tokensPreservesOrderInWhichArgsAreGiven(String[] xs, String[] ys, String[] zs) {
String progName = "prog";
Stream<CommandBuilder> args = buildArgs(xs, ys, zs);
CommandBuilder target = newBuilder(prog(progName), args);
String[] actual = target.tokens().toArray(String[]::new);
String[] expected = concat(new String[] {progName}, xs, ys, zs);
assertArrayEquals(expected, actual);
}
public DrawCommand buildCommand(final String input) {
String trimmedInput = input.trim();
if (trimmedInput.isEmpty()) {
throw new IllegalArgumentException("A command must be provided");
}
String command = trimmedInput.split(" ")[0].toUpperCase();
CommandBuilder commandBuilder = drawOptions.get(command);
if (commandBuilder == null) {
throw new IllegalArgumentException("The command '" + command + "' is not supported");
}
return commandBuilder.create(trimmedInput);
}
