@Test public void testUsageComputationWhenUsingOnlyLongOption() { final CLI cli = CLI.create("test") .addOption(new Option().setLongName("file").setDescription("a file")); StringBuilder builder = new StringBuilder(); cli.usage(builder); assertThat(builder.toString()) .contains("test [--file <value>]") .contains(" --file <value> a file"); }
@Test public void testUsageComputationWhenUsingOnlyShortOption() { final CLI cli = CLI.create("test") .addOption(new Option().setShortName("f").setDescription("a file")); StringBuilder builder = new StringBuilder(); cli.usage(builder); assertThat(builder.toString()) .contains("test [-f <value>]") .contains(" -f <value> a file"); }
@Test public void testUsageWhenNoArgsAndOptions() { final CLI cli = CLI.create("test").setDescription("A simple test command."); StringBuilder builder = new StringBuilder(); cli.usage(builder); assertThat(builder.toString()) .contains("test") .doesNotContain("Options").doesNotContain("Arguments"); }
@Test public void testUsageComputationWhenUsingOnlyFlagShortOption() { final CLI cli = CLI.create("test") .addOption(new Option().setShortName("f").setDescription("turn on/off").setFlag(true)); StringBuilder builder = new StringBuilder(); cli.usage(builder); assertThat(builder.toString()) .contains("test [-f]") .contains("Options and Arguments") .contains(" -f turn on/off"); }
@Test public void testUsageComputationWhenUsingShortAndLongOption() { final CLI cli = CLI.create("test") .addOption(new Option().setLongName("file").setShortName("f").setDescription("a file")); StringBuilder builder = new StringBuilder(); cli.usage(builder); assertThat(builder.toString()) .contains("test [-f <value>]") .contains(" -f,--file <value> a file"); }
@Test public void testUsageComputationWhenUsingNotRequiredArgument() { final CLI cli = CLI.create("test") .addArgument(new Argument().setArgName("foo").setRequired(false)); StringBuilder builder = new StringBuilder(); cli.usage(builder); assertThat(builder.toString()) .contains("test [foo]"); }
@Test public void testUsageComputationWhenUsingOnlyFlagLongOption() { final CLI cli = CLI.create("test") .addOption(new Option().setLongName("flag").setDescription("turn on/off").setFlag(true)); StringBuilder builder = new StringBuilder(); cli.usage(builder); assertThat(builder.toString()) .contains("test [--flag]") .contains(" --flag turn on/off"); }
@Test public void testUsageComputationWhenUsingShortAndLongFlagOption() { final CLI cli = CLI.create("test") .addOption(new Option().setLongName("flag").setShortName("f").setDescription("turn on/off").setFlag(true)); StringBuilder builder = new StringBuilder(); cli.usage(builder); assertThat(builder.toString()) .contains("test [-f]") .contains(" -f,--flag turn on/off"); }
@Test public void testAnnotatedClassWithArgumentReceivingMultipleValues() { CLI cli = CLI.create(CLIUsingMultipleArgument.class); CLIUsingMultipleArgument instance = new CLIUsingMultipleArgument(); CommandLine cl = cli.parse(Arrays.asList("a", "b", "-s=1", "-s=2")); CLIConfigurator.inject(cl, instance); }
@Test public void testCommandLineValidationWhenValid() { final CLI cli = CLI.create("test") .addArgument(new Argument().setArgName("foo").setRequired(true)); CommandLine commandLine = cli.parse(Collections.singletonList("foo")); assertThat(commandLine.isValid()).isTrue(); }
@Test public void testCommandLineValidationWhenInvalidWithValidationDisabled() { final CLI cli = CLI.create("test") .addArgument(new Argument().setArgName("foo").setRequired(true)); CommandLine commandLine = cli.parse(Collections.<String>emptyList(), false); assertThat(commandLine.isValid()).isEqualTo(false); }
@Test public void testUsageComputationWhenUsingRequiredOptionAndArgument() { final CLI cli = CLI.create("test") .addOption(new Option().setLongName("file").setShortName("f").setDescription("a file").setRequired(true)) .addArgument(new Argument().setArgName("foo").setDescription("foo").setRequired(true)); StringBuilder builder = new StringBuilder(); cli.usage(builder); assertThat(builder.toString()) .contains("test -f <value> foo") .contains(" -f,--file <value> a file") .contains("<foo> foo"); }
@Test(expected = MissingValueException.class) public void testCommandLineValidationWhenInvalid() { final CLI cli = CLI.create("test") .addArgument(new Argument().setArgName("foo").setRequired(true)); cli.parse(Collections.<String>emptyList()); }
@Test public void testFlag() { final CLI cli = CLI.create("test") .addOption(new Option().setShortName("f").setFlag(true)) .addOption(new Option().setShortName("x")); final CommandLine evaluated = cli.parse(Arrays.asList("-f", "-x", "foo")); assertThat(evaluated.isFlagEnabled("f")).isTrue(); assertThat((String) evaluated.getOptionValue("x")).isEqualToIgnoringCase("foo"); }
@Test public void testMissingFlag() { final CLI cli = CLI.create("test") .addOption(new Option().setShortName("f").setFlag(true)) .addOption(new Option().setShortName("x")); final CommandLine evaluated = cli.parse(Arrays.asList("-x", "foo")); assertThat(evaluated.isFlagEnabled("f")).isFalse(); assertThat((String) evaluated.getOptionValue("x")).isEqualToIgnoringCase("foo"); }
@Test public void testUsageComputationWithSeveralArguments() { final CLI cli = CLI.create("test") .addOption(new Option().setLongName("file").setShortName("f").setDescription("a file").setRequired(true)) .addArgument(new Argument().setIndex(0).setArgName("foo").setDescription("foo")) .addArgument(new Argument().setIndex(1)) .addArgument(new Argument().setIndex(2).setArgName("bar").setDescription("bar")); StringBuilder builder = new StringBuilder(); cli.usage(builder); assertThat(builder.toString()) .contains("test -f <value> foo value bar") .contains(" -f,--file <value> a file") .contains("<foo> foo") .contains("<value>") .contains("<bar> bar"); }
@Test public void testUsageComputationWithHiddenArguments() { final CLI cli = CLI.create("test") .addOption(new Option().setLongName("file").setShortName("f").setDescription("a file").setRequired(true)) .addArgument(new Argument().setIndex(0).setArgName("foo").setDescription("foo")) .addArgument(new Argument().setIndex(1)) .addArgument(new Argument().setIndex(2).setArgName("bar").setDescription("bar").setHidden(true)); StringBuilder builder = new StringBuilder(); cli.usage(builder); assertThat(builder.toString()) .contains("test -f <value> foo value") .contains(" -f,--file <value> a file") .contains("<foo> foo") .contains("<value>") .doesNotContain("bar"); }
CLI cli = CLI.create("wget").setSummary("Wget implemented with Vert.x HTTP client"). addArgument(new Argument().setIndex(0).setArgName("http-url").setDescription("the HTTP uri to get"));
@Test public void testUsageComputationWhenUsingOnlyShortOption() { final CLI cli = CLI.create("test") .addOption(new Option().setShortName("f").setDescription("a file")); StringBuilder builder = new StringBuilder(); cli.usage(builder); assertThat(builder.toString()) .contains("test [-f <value>]") .contains(" -f <value> a file"); }
@Test public void testMissingFlag() { final CLI cli = CLI.create("test") .addOption(new Option().setShortName("f").setFlag(true)) .addOption(new Option().setShortName("x")); final CommandLine evaluated = cli.parse(Arrays.asList("-x", "foo")); assertThat(evaluated.isFlagEnabled("f")).isFalse(); assertThat((String) evaluated.getOptionValue("x")).isEqualToIgnoringCase("foo"); }