public void Parse_verbs_create_instance()
{
string invokedVerb = null;
object invokedVerbInstance = null;
var options = new OptionsWithVerbs();
options.AddVerb.Should().BeNull();
var parser = new CommandLine.Parser();
var result = parser.ParseArguments(new string[] { "add", "-p", "untracked.bin" }, options,
(verb, subOptions) =>
{
invokedVerb = verb;
invokedVerbInstance = subOptions;
});
result.Should().BeTrue();
invokedVerb.Should().Be("add");
invokedVerbInstance.Should().BeOfType <AddSubOptions>();
// Parser has built instance for us
options.AddVerb.Should().NotBeNull();
options.AddVerb.CreationProof.Should().NotHaveValue();
options.AddVerb.Patch.Should().BeTrue();
options.AddVerb.FileName[0].Should().Be("untracked.bin");
}
public void Parse_verbs_using_instance()
{
string invokedVerb = null;
object invokedVerbInstance = null;
var proof = new Random().Next(int.MaxValue);
var options = new OptionsWithVerbs();
options.CommitVerb.Should().NotBeNull();
options.CommitVerb.CreationProof = proof;
var parser = new CommandLine.Parser();
var result = parser.ParseArguments(new string[] { "commit", "--amend" }, options,
(verb, subOptions) =>
{
invokedVerb = verb;
invokedVerbInstance = subOptions;
});
result.Should().BeTrue();
invokedVerb.Should().Be("commit");
invokedVerbInstance.Should().BeOfType <CommitSubOptions>();
// Check if the instance is the one provider by us (not by the parser)
options.CommitVerb.CreationProof.Should().Be(proof);
options.CommitVerb.Amend.Should().BeTrue();
}
public void Failed_verb_parsing_prints_particular_help_screen()
{
string invokedVerb = null;
object invokedVerbInstance = null;
var options = new OptionsWithVerbs();
var testWriter = new StringWriter();
var parser = new CommandLine.Parser(with => with.HelpWriter = testWriter);
var result = parser.ParseArguments(new string[] { "clone", "--no_hardlinks" }, options,
(verb, subOptions) =>
{
invokedVerb = verb;
invokedVerbInstance = subOptions;
});
result.Should().BeFalse();
invokedVerb.Should().Be("clone");
invokedVerbInstance.Should().BeNull();
var helpText = testWriter.ToString();
helpText.Should().Be("help for: clone");
}
public void Failed_parsing_prints_help_index()
{
string invokedVerb = null;
object invokedVerbInstance = null;
var options = new OptionsWithVerbs();
var testWriter = new StringWriter();
var parser = new CommandLine.Parser(with => with.HelpWriter = testWriter);
var result = parser.ParseArguments(new string[] {}, options,
(verb, subOptions) =>
{
invokedVerb = verb;
invokedVerbInstance = subOptions;
});
result.Should().BeFalse();
invokedVerb.Should().BeEmpty();
invokedVerbInstance.Should().BeNull();
var helpText = testWriter.ToString();
helpText.Should().Be("verbs help index");
}
public void Parse_strict_bad_input_fails_and_exits_with_verbs_when_get_usage_is_defined()
{
string invokedVerb = null;
object invokedVerbInstance = null;
var options = new OptionsWithVerbs();
var testWriter = new StringWriter();
ReflectionHelper.AssemblyFromWhichToPullInformation = Assembly.GetExecutingAssembly();
var parser = new CommandLine.Parser(with => with.HelpWriter = testWriter);
var result = parser.ParseArgumentsStrict(new string[] { "bad", "input" }, options,
(verb, subOptions) =>
{
invokedVerb = verb;
invokedVerbInstance = subOptions;
},
() => Console.WriteLine("fake fail"));
result.Should().BeFalse();
var helpText = testWriter.ToString();
Console.WriteLine(helpText);
var lines = helpText.Split(new string[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries);
// Did we really produced all help?
lines.Should().HaveCount(n => n == 1);
// Verify just significant output
lines[0].Trim().Should().Be("verbs help index");
invokedVerb.Should().Be("bad");
invokedVerbInstance.Should().BeNull();
}
public void Help_WithHelpOfVerbCalled_GeneratedHelpOutputForVerb()
{
const string expected = @"Usage: clipr verb1 [ -n|--name N ] [ -h|--help ]
Optional Arguments:
-h, --help Display this help document.
-n, --name
";
var sw = new StringWriter();
var opt = new OptionsWithVerbs();
var parser = new CliParser <OptionsWithVerbs>(opt, new ParserOptions {
OutputWriter = sw
});
try
{
parser.Parse("verb1 --help".Split());
}
catch (ParserExit e)
{
}
var actual = sw.ToString();
Assert.AreEqual(expected, actual);
}
public void Help_WithVerbs_AddsVerbDescriptionsToHelpOutput()
{
const string expected = @"Usage: clipr [ -h|--help ] [ --version ] <command>
Optional Arguments:
-h, --help Display this help document.
--version Displays the version of the current executable.
Commands:
verb1 A verb for names
verb2 A verb for ages";
var opt = new OptionsWithVerbs();
var parser = new CliParser <OptionsWithVerbs>(opt);
var gen = new AutomaticHelpGenerator <OptionsWithVerbs>();
var help = gen.GetHelp(parser.Config);
Assert.AreEqual(expected, help);
}
