require "helper"

describe Thor do
  describe "#method_option" do
    it "sets options to the next method to be invoked" do
      args = %w(foo bar --force)
      _, options = MyScript.start(args)
      expect(options).to eq("force" => true)
    end

    describe ":lazy_default" do
      it "is absent when option is not specified" do
        _, options = MyScript.start(%w(with_optional))
        expect(options).to eq({})
      end

      it "sets a default that can be overridden for strings" do
        _, options = MyScript.start(%w(with_optional --lazy))
        expect(options).to eq("lazy" => "yes")

        _, options = MyScript.start(%w(with_optional --lazy yesyes!))
        expect(options).to eq("lazy" => "yesyes!")
      end

      it "sets a default that can be overridden for numerics" do
        _, options = MyScript.start(%w(with_optional --lazy-numeric))
        expect(options).to eq("lazy_numeric" => 42)

        _, options = MyScript.start(%w(with_optional --lazy-numeric 20000))
        expect(options).to eq("lazy_numeric" => 20_000)
      end

      it "sets a default that can be overridden for arrays" do
        _, options = MyScript.start(%w(with_optional --lazy-array))
        expect(options).to eq("lazy_array" => %w(eat at joes))

        _, options = MyScript.start(%w(with_optional --lazy-array hello there))
        expect(options).to eq("lazy_array" => %w(hello there))
      end

      it "sets a default that can be overridden for hashes" do
        _, options = MyScript.start(%w(with_optional --lazy-hash))
        expect(options).to eq("lazy_hash" => {"swedish" => "meatballs"})

        _, options = MyScript.start(%w(with_optional --lazy-hash polish:sausage))
        expect(options).to eq("lazy_hash" => {"polish" => "sausage"})
      end
    end

    describe "when :for is supplied" do
      it "updates an already defined command" do
        _, options = MyChildScript.start(%w(animal horse --other=fish))
        expect(options[:other]).to eq("fish")
      end

      describe "and the target is on the parent class" do
        it "updates an already defined command" do
          args = %w(example_default_command my_param --new-option=verified)
          options = Scripts::MyScript.start(args)
          expect(options[:new_option]).to eq("verified")
        end

        it "adds a command to the command list if the updated command is on the parent class" do
          expect(Scripts::MyScript.commands["example_default_command"]).to be
        end

        it "clones the parent command" do
          expect(Scripts::MyScript.commands["example_default_command"]).not_to eq(MyChildScript.commands["example_default_command"])
        end
      end
    end
  end

  describe "#default_command" do
    it "sets a default command" do
      expect(MyScript.default_command).to eq("example_default_command")
    end

    it "invokes the default command if no command is specified" do
      expect(MyScript.start([])).to eq("default command")
    end

    it "invokes the default command if no command is specified even if switches are given" do
      expect(MyScript.start(%w(--with option))).to eq("with" => "option")
    end

    it "inherits the default command from parent" do
      expect(MyChildScript.default_command).to eq("example_default_command")
    end
  end

  describe "#stop_on_unknown_option!" do
    my_script = Class.new(Thor) do
      class_option "verbose",   type: :boolean
      class_option "mode",      type: :string

      stop_on_unknown_option! :exec

      desc "exec", "Run a command"
      def exec(*args)
        [options, args]
      end

      desc "boring", "An ordinary command"
      def boring(*args)
        [options, args]
      end
    end

    it "passes remaining args to command when it encounters a non-option" do
      expect(my_script.start(%w(exec command --verbose))).to eq [{}, %w(command --verbose)]
    end

    it "passes remaining args to command when it encounters an unknown option" do
      expect(my_script.start(%w(exec --foo command --bar))).to eq [{}, %w(--foo command --bar)]
    end

    it "still accepts options that are given before non-options" do
      expect(my_script.start(%w(exec --verbose command --foo))).to eq [{"verbose" => true}, %w(command --foo)]
    end

    it "still accepts options that require a value" do
      expect(my_script.start(%w(exec --mode rashly command))).to eq [{"mode" => "rashly"}, %w(command)]
    end

    it "still passes everything after -- to command" do
      expect(my_script.start(%w(exec -- --verbose))).to eq [{}, %w(--verbose)]
    end

    it "still passes everything after -- to command, complex" do
      expect(my_script.start(%w[exec command --mode z again -- --verbose more])).to eq [{}, %w[command --mode z again -- --verbose more]]
    end

    it "does not affect ordinary commands" do
      expect(my_script.start(%w(boring command --verbose))).to eq [{"verbose" => true}, %w(command)]
    end

    context "when provided with multiple command names" do
      klass = Class.new(Thor) do
        stop_on_unknown_option! :foo, :bar
      end
      it "affects all specified commands" do
        expect(klass.stop_on_unknown_option?(double(name: "foo"))).to be true
        expect(klass.stop_on_unknown_option?(double(name: "bar"))).to be true
        expect(klass.stop_on_unknown_option?(double(name: "baz"))).to be false
      end
    end

    context "when invoked several times" do
      klass = Class.new(Thor) do
        stop_on_unknown_option! :foo
        stop_on_unknown_option! :bar
      end
      it "affects all specified commands" do
        expect(klass.stop_on_unknown_option?(double(name: "foo"))).to be true
        expect(klass.stop_on_unknown_option?(double(name: "bar"))).to be true
        expect(klass.stop_on_unknown_option?(double(name: "baz"))).to be false
      end
    end

    it "doesn't break new" do
      expect(my_script.new).to be_a(Thor)
    end

    context "along with check_unknown_options!" do
      my_script2 = Class.new(Thor) do
        class_option "verbose",   type: :boolean
        class_option "mode",      type: :string
        check_unknown_options!
        stop_on_unknown_option! :exec

        desc "exec", "Run a command"
        def exec(*args)
          [options, args]
        end

        def self.exit_on_failure?
          false
        end
      end

      it "passes remaining args to command when it encounters a non-option" do
        expect(my_script2.start(%w[exec command --verbose])).to eq [{}, %w[command --verbose]]
      end

      it "does not accept if first non-option looks like an option, but only refuses that invalid option" do
        expect(capture(:stderr) do
          my_script2.start(%w[exec --foo command --bar])
        end.strip).to eq("Unknown switches \"--foo\"")
      end

      it "still accepts options that are given before non-options" do
        expect(my_script2.start(%w[exec --verbose command])).to eq [{"verbose" => true}, %w[command]]
      end

      it "still accepts when non-options are given after real options and argument" do
        expect(my_script2.start(%w[exec --verbose command --foo])).to eq [{"verbose" => true}, %w[command --foo]]
      end

      it "does not accept when non-option looks like an option and is after real options" do
        expect(capture(:stderr) do
          my_script2.start(%w[exec --verbose --foo])
        end.strip).to eq("Unknown switches \"--foo\"")
      end

      it "still accepts options that require a value" do
        expect(my_script2.start(%w[exec --mode rashly command])).to eq [{"mode" => "rashly"}, %w[command]]
      end

      it "still passes everything after -- to command" do
        expect(my_script2.start(%w[exec -- --verbose])).to eq [{}, %w[--verbose]]
      end

      it "still passes everything after -- to command, complex" do
        expect(my_script2.start(%w[exec command --mode z again -- --verbose more])).to eq [{}, %w[command --mode z again -- --verbose more]]
      end
    end
  end

  describe "#check_unknown_options!" do
    my_script = Class.new(Thor) do
      class_option "verbose",   type: :boolean
      class_option "mode",      type: :string
      check_unknown_options!

      desc "checked", "a command with checked"
      def checked(*args)
        [options, args]
      end

      def self.exit_on_failure?
        false
      end
    end

    it "still accept options and arguments" do
      expect(my_script.start(%w[checked command --verbose])).to eq [{"verbose" => true}, %w[command]]
    end

    it "still accepts options that are given before arguments" do
      expect(my_script.start(%w[checked --verbose command])).to eq [{"verbose" => true}, %w[command]]
    end

    it "does not accept if non-option that looks like an option is before the arguments" do
      expect(capture(:stderr) do
        my_script.start(%w[checked --foo command --bar])
      end.strip).to eq("Unknown switches \"--foo\", \"--bar\"")
    end

    it "does not accept if non-option that looks like an option is after an argument" do
      expect(capture(:stderr) do
        my_script.start(%w[checked command --foo --bar])
      end.strip).to eq("Unknown switches \"--foo\", \"--bar\"")
    end

    it "does not accept when non-option that looks like an option is after real options" do
      expect(capture(:stderr) do
        my_script.start(%w[checked --verbose --foo])
      end.strip).to eq("Unknown switches \"--foo\"")
    end

    it "does not accept when non-option that looks like an option is before real options" do
      expect(capture(:stderr) do
        my_script.start(%w[checked --foo --verbose])
      end.strip).to eq("Unknown switches \"--foo\"")
    end

    it "still accepts options that require a value" do
      expect(my_script.start(%w[checked --mode rashly command])).to eq [{"mode" => "rashly"}, %w[command]]
    end

    it "still passes everything after -- to command" do
      expect(my_script.start(%w[checked -- --verbose])).to eq [{}, %w[--verbose]]
    end

    it "still passes everything after -- to command, complex" do
      expect(my_script.start(%w[checked command --mode z again -- --verbose more])).to eq [{"mode" => "z"}, %w[command again --verbose more]]
    end
  end

  describe "#disable_required_check!" do
    my_script = Class.new(Thor) do
      class_option "foo", required: true

      disable_required_check! :boring

      desc "exec", "Run a command"
      def exec(*args)
        [options, args]
      end

      desc "boring", "An ordinary command"
      def boring(*args)
        [options, args]
      end

      def self.exit_on_failure?
        false
      end
    end

    it "does not check the required option in the given command" do
      expect(my_script.start(%w(boring command))).to eq [{}, %w(command)]
    end

    it "does check the required option of the remaining command" do
      content = capture(:stderr) { my_script.start(%w(exec command)) }
      expect(content).to eq "No value provided for required options '--foo'\n"
    end

    it "does affects help by default" do
      expect(my_script.disable_required_check?(double(name: "help"))).to be true
    end

    context "when provided with multiple command names" do
      klass = Class.new(Thor) do
        disable_required_check! :foo, :bar
      end

      it "affects all specified commands" do
        expect(klass.disable_required_check?(double(name: "help"))).to be true
        expect(klass.disable_required_check?(double(name: "foo"))).to be true
        expect(klass.disable_required_check?(double(name: "bar"))).to be true
        expect(klass.disable_required_check?(double(name: "baz"))).to be false
      end
    end

    context "when invoked several times" do
      klass = Class.new(Thor) do
        disable_required_check! :foo
        disable_required_check! :bar
      end

      it "affects all specified commands" do
        expect(klass.disable_required_check?(double(name: "help"))).to be true
        expect(klass.disable_required_check?(double(name: "foo"))).to be true
        expect(klass.disable_required_check?(double(name: "bar"))).to be true
        expect(klass.disable_required_check?(double(name: "baz"))).to be false
      end
    end
  end

  describe "#command_exists?" do
    it "returns true for a command that is defined in the class" do
      expect(MyScript.command_exists?("zoo")).to be true
      expect(MyScript.command_exists?("name-with-dashes")).to be true
      expect(MyScript.command_exists?("animal_prison")).to be true
    end

    it "returns false for a command that is not defined in the class" do
      expect(MyScript.command_exists?("animal_heaven")).to be false
    end
  end

  describe "#map" do
    it "calls the alias of a method if one is provided" do
      expect(MyScript.start(%w(-T fish))).to eq(%w(fish))
    end

    it "calls the alias of a method if several are provided via #map" do
      expect(MyScript.start(%w(-f fish))).to eq(["fish", {}])
      expect(MyScript.start(%w(--foo fish))).to eq(["fish", {}])
    end

    it "inherits all mappings from parent" do
      expect(MyChildScript.default_command).to eq("example_default_command")
    end
  end

  describe "#package_name" do
    it "provides a proper description for a command when the package_name is assigned" do
      content = capture(:stdout) { PackageNameScript.start(%w(help)) }
      expect(content).to match(/Baboon commands:/m)
    end

    # TODO: remove this, might be redundant, just wanted to prove full coverage
    it "provides a proper description for a command when the package_name is NOT assigned" do
      content = capture(:stdout) { MyScript.start(%w(help)) }
      expect(content).to match(/Commands:/m)
    end
  end

  describe "#desc" do
    it "provides description for a command" do
      content = capture(:stdout) { MyScript.start(%w(help)) }
      expect(content).to match(/thor my_script:zoo\s+# zoo around/m)
    end

    it "provides no namespace if $thor_runner is false" do
      begin
        $thor_runner = false
        content = capture(:stdout) { MyScript.start(%w(help)) }
        expect(content).to match(/thor zoo\s+# zoo around/m)
      ensure
        $thor_runner = true
      end
    end

    describe "when :for is supplied" do
      it "overwrites a previous defined command" do
        expect(capture(:stdout) { MyChildScript.start(%w(help)) }).to match(/animal KIND \s+# fish around/m)
      end
    end

    describe "when :hide is supplied" do
      it "does not show the command in help" do
        expect(capture(:stdout) { MyScript.start(%w(help)) }).not_to match(/this is hidden/m)
      end

      it "but the command is still invocable, does not show the command in help" do
        expect(MyScript.start(%w(hidden yesyes))).to eq(%w(yesyes))
      end
    end
  end

  describe "#method_options" do
    it "sets default options if called before an initializer" do
      options = MyChildScript.class_options
      expect(options[:force].type).to eq(:boolean)
      expect(options[:param].type).to eq(:numeric)
    end

    it "overwrites default options if called on the method scope" do
      args = %w(zoo --force --param feathers)
      options = MyChildScript.start(args)
      expect(options).to eq("force" => true, "param" => "feathers")
    end

    it "allows default options to be merged with method options" do
      args = %w(animal bird --force --param 1.0 --other tweets)
      arg, options = MyChildScript.start(args)
      expect(arg).to eq("bird")
      expect(options).to eq("force" => true, "param" => 1.0, "other" => "tweets")
    end
  end

  describe "#method_exclusive" do
    it "returns the exclusive option names for the class" do
      cmd =  MyOptionScript.commands["exclusive"]
      exclusives = cmd.options_relation[:exclusive_option_names]
      expect(exclusives.size).to be(2)
      expect(exclusives.first).to eq(%w[one two three])
      expect(exclusives.last).to eq(%w[after1 after2])
    end
  end

  describe "#method_at_least_one" do
    it "returns the at least one of option names for the class" do
      cmd =  MyOptionScript.commands["at_least_one"]
      at_least_ones = cmd.options_relation[:at_least_one_option_names]
      expect(at_least_ones.size).to be(2)
      expect(at_least_ones.first).to eq(%w[one two three])
      expect(at_least_ones.last).to eq(%w[after1 after2])
    end
  end

  describe "#start" do
    it "calls a no-param method when no params are passed" do
      expect(MyScript.start(%w(zoo))).to eq(true)
    end

    it "calls a single-param method when a single param is passed" do
      expect(MyScript.start(%w(animal fish))).to eq(%w(fish))
    end

    it "does not set options in attributes" do
      expect(MyScript.start(%w(with_optional --all))).to eq([nil, {"all" => true}, []])
    end

    it "raises an error if the wrong number of params are provided" do
      arity_asserter = lambda do |args, msg|
        stderr = capture(:stderr) { Scripts::Arities.start(args) }
        expect(stderr.strip).to eq(msg)
      end
      arity_asserter.call %w(zero_args one), 'ERROR: "thor zero_args" was called with arguments ["one"]
Usage: "thor scripts:arities:zero_args"'
      arity_asserter.call %w(one_arg), 'ERROR: "thor one_arg" was called with no arguments
Usage: "thor scripts:arities:one_arg ARG"'
      arity_asserter.call %w(one_arg one two), 'ERROR: "thor one_arg" was called with arguments ["one", "two"]
Usage: "thor scripts:arities:one_arg ARG"'
      arity_asserter.call %w(one_arg one two), 'ERROR: "thor one_arg" was called with arguments ["one", "two"]
Usage: "thor scripts:arities:one_arg ARG"'
      arity_asserter.call %w(two_args one), 'ERROR: "thor two_args" was called with arguments ["one"]
Usage: "thor scripts:arities:two_args ARG1 ARG2"'
      arity_asserter.call %w(optional_arg one two), 'ERROR: "thor optional_arg" was called with arguments ["one", "two"]
Usage: "thor scripts:arities:optional_arg [ARG]"'
      arity_asserter.call %w(multiple_usages), 'ERROR: "thor multiple_usages" was called with no arguments
Usage: "thor scripts:arities:multiple_usages ARG --foo"
       "thor scripts:arities:multiple_usages ARG --bar"'
    end

    it "raises an error if the invoked command does not exist" do
      expect(capture(:stderr) { Amazing.start(%w(animal)) }.strip).to eq('Could not find command "animal" in "amazing" namespace.')
    end

    it "calls method_missing if an unknown method is passed in" do
      expect(MyScript.start(%w(unk hello))).to eq([:unk, %w(hello)])
    end

    it "does not call a private method no matter what" do
      expect(capture(:stderr) { MyScript.start(%w(what)) }.strip).to eq('Could not find command "what" in "my_script" namespace.')
    end

    it "uses command default options" do
      options = MyChildScript.start(%w(animal fish)).last
      expect(options).to eq("other" => "method default")
    end

    it "raises when an exception happens within the command call" do
      expect { MyScript.start(%w(call_myself_with_wrong_arity)) }.to raise_error(ArgumentError)
    end

    context "when the user enters an unambiguous substring of a command" do
      it "invokes a command" do
        expect(MyScript.start(%w(z))).to eq(MyScript.start(%w(zoo)))
      end

      it "invokes a command, even when there's an alias it resolves to the same command" do
        expect(MyScript.start(%w(hi arg))).to eq(MyScript.start(%w(hidden arg)))
      end

      it "invokes an alias" do
        expect(MyScript.start(%w(animal_pri))).to eq(MyScript.start(%w(zoo)))
      end

      it "invokes a command, even when there's a hidden command that makes invokation ambiguous" do
        expect(MyScript.start(%w(potentially_))).to eq(MyScript.start(%w(potentially_ambiguous)))
      end
    end

    context "when the user enters an ambiguous substring of a command" do
      it "raises an exception and displays a message that explains the ambiguity" do
        shell = Thor::Base.shell.new
        expect(shell).to receive(:error).with("Ambiguous command call matches [call_myself_with_wrong_arity, call_unexistent_method]")
        MyScript.start(%w(call), shell: shell)
      end

      it "raises an exception when there is an alias" do
        shell = Thor::Base.shell.new
        expect(shell).to receive(:error).with("Ambiguous command f matches [foo, fu]")
        MyScript.start(%w(f), shell: shell)
      end
    end
  end

  describe "#help" do
    def shell
      @shell ||= Thor::Base.shell.new
    end

    describe "on general" do
      before do
        @content = capture(:stdout) { MyScript.help(shell) }
      end

      it "provides useful help info for the help method itself" do
        expect(@content).to match(/help \[COMMAND\]\s+# Describe available commands/)
      end

      it "provides useful help info for a method with params" do
        expect(@content).to match(/animal TYPE\s+# horse around/)
      end

      it "uses the maximum terminal size to show commands" do
        expect(Thor::Shell::Terminal).to receive(:terminal_width).and_return(80)
        content = capture(:stdout) { MyScript.help(shell) }
        expect(content).to match(/aaa\.\.\.$/)
      end

      it "provides description for commands from classes in the same namespace" do
        expect(@content).to match(/baz\s+# do some bazing/)
      end

      it "shows superclass commands" do
        content = capture(:stdout) { MyChildScript.help(shell) }
        expect(content).to match(/foo BAR \s+# do some fooing/)
      end

      it "shows class options information" do
        content = capture(:stdout) { MyChildScript.help(shell) }
        expect(content).to match(/Options\:/)
        expect(content).to match(/\[\-\-param=N\]/)
      end

      it "injects class arguments into default usage" do
        content = capture(:stdout) { Scripts::MyScript.help(shell) }
        expect(content).to match(/zoo ACCESSOR \-\-param\=PARAM/)
      end

      it "prints class exclusive options" do
        content = capture(:stdout) { MyClassOptionScript.help(shell) }
        expect(content).to match(/Exclusive Options:\n\s+--one\s+--two\n/)
      end

      it "does not print class exclusive options" do
        content = capture(:stdout) { Scripts::MyScript.help(shell) }
        expect(content).not_to match(/Exclusive Options:/)
      end

      it "prints class at least one of requred options" do
        content = capture(:stdout) { MyClassOptionScript.help(shell) }
        expect(content).to match(/Required At Least One:\n\s+--three\s+--four\n/)
      end

      it "does not print class at least one of required options" do
        content = capture(:stdout) { Scripts::MyScript.help(shell) }
        expect(content).not_to match(/Required At Least One:/)
      end
    end

    describe "for a specific command" do
      it "provides full help info when talking about a specific command" do
        expect(capture(:stdout) { MyScript.command_help(shell, "foo") }).to eq(<<-END)
Usage:
  thor my_script:foo BAR

Options:
  [--force]  # Force to do some fooing

do some fooing
  This is more info!
  Everyone likes more info!
END
      end

      it "provides full help info when talking about a specific command with multiple usages" do
        expect(capture(:stdout) { MyScript.command_help(shell, "baz") }).to eq(<<-END)
Usage:
  thor my_script:baz THING
  thor my_script:baz --all

Options:
  [--all=ALL]  # Do bazing for all the things

super cool
END
      end

      it "raises an error if the command can't be found" do
        expect do
          MyScript.command_help(shell, "unknown")
        end.to raise_error(Thor::UndefinedCommandError, 'Could not find command "unknown" in "my_script" namespace.')
      end

      it "normalizes names before claiming they don't exist" do
        expect(capture(:stdout) { MyScript.command_help(shell, "name-with-dashes") }).to match(/thor my_script:name-with-dashes/)
      end

      it "uses the long description if it exists" do
        expect(capture(:stdout) { MyScript.command_help(shell, "long_description") }).to eq(<<-HELP)
Usage:
  thor my_script:long_description

Description:
  This is a really really really long description. Here you go. So very long.

  It even has two paragraphs.
HELP
      end

      it "prints long description unwrapped if asked for" do
        expect(capture(:stdout) { MyScript.command_help(shell, "long_description_unwrapped") }).to eq(<<-HELP)
Usage:
  thor my_script:long_description

Description:
No added indentation,   Inline
whatespace not merged,
Linebreaks preserved
  and
    indentation
  too
HELP
      end

      it "doesn't assign the long description to the next command without one" do
        expect(capture(:stdout) do
          MyScript.command_help(shell, "name_with_dashes")
        end).not_to match(/so very long/i)
      end

      it "prints exclusive and at least one options" do
        message = expect(capture(:stdout) do
                           MyClassOptionScript.command_help(shell, "mix")
                         end)
        message.to match(/Exclusive Options:\n\s+--five\s+--six\s+--seven\n\s+--one\s+--two/)
        message.to match(/Required At Least One:\n\s+--five\s+--six\s+--seven\n\s+--three\s+--four/)
      end
      it "does not print exclusive and at least one options" do
        message = expect(capture(:stdout) do
                           MyOptionScript.command_help(shell, "no_relations")
                         end)
        message.not_to match(/Exclusive Options:/)
        message.not_to match(/Rquired At Least One:/)
      end
    end

    describe "instance method" do
      it "calls the class method" do
        expect(capture(:stdout) { MyScript.start(%w(help)) }).to match(/Commands:/)
      end

      it "calls the class method" do
        expect(capture(:stdout) { MyScript.start(%w(help foo)) }).to match(/Usage:/)
      end
    end

    context "with required class_options" do
      let(:klass) do
        Class.new(Thor) do
          class_option :foo, required: true

          desc "bar", "do something"
          def bar; end
        end
      end

      it "shows the command help" do
        content = capture(:stdout) { klass.start(%w(help)) }
        expect(content).to match(/Commands:/)
      end
    end
  end

  describe "subcommands" do
    it "triggers a subcommand help when passed --help" do
      parent = Class.new(Thor)
      child  = Class.new(Thor)
      parent.desc "child", "child subcommand"
      parent.subcommand "child", child
      parent.desc "dummy", "dummy"
      expect(child).to receive(:help).with(anything, anything)
      parent.start ["child", "--help"]
    end
  end

  describe "when creating commands" do
    it "prints a warning if a public method is created without description or usage" do
      expect(capture(:stdout) do
        klass = Class.new(Thor)
        klass.class_eval "def hello_from_thor; end"
      end).to match(/\[WARNING\] Attempted to create command "hello_from_thor" without usage or description/)
    end

    it "does not print if overwriting a previous command" do
      expect(capture(:stdout) do
        klass = Class.new(Thor)
        klass.class_eval "def help; end"
      end).to be_empty
    end
  end

  describe "edge-cases" do
    it "can handle boolean options followed by arguments" do
      klass = Class.new(Thor) do
        method_option :loud, type: :boolean
        desc "hi NAME", "say hi to name"
        def hi(name)
          name = name.upcase if options[:loud]
          "Hi #{name}"
        end
      end

      expect(klass.start(%w(hi jose))).to eq("Hi jose")
      expect(klass.start(%w(hi jose --loud))).to eq("Hi JOSE")
      expect(klass.start(%w(hi --loud jose))).to eq("Hi JOSE")
    end

    it "method_option raises an ArgumentError if name is not a Symbol or String" do
      expect do
        Class.new(Thor) do
          method_option loud: true, type: :boolean
        end
      end.to raise_error(ArgumentError, "Expected a Symbol or String, got #{{loud: true, type: :boolean}}")
    end

    it "class_option raises an ArgumentError if name is not a Symbol or String" do
      expect do
        Class.new(Thor) do
          class_option loud: true, type: :boolean
        end
      end.to raise_error(ArgumentError, "Expected a Symbol or String, got #{{loud: true, type: :boolean}}")
    end

    it "passes through unknown options" do
      klass = Class.new(Thor) do
        desc "unknown", "passing unknown options"
        def unknown(*args)
          args
        end
      end

      expect(klass.start(%w(unknown foo --bar baz bat --bam))).to eq(%w(foo --bar baz bat --bam))
      expect(klass.start(%w(unknown --bar baz))).to eq(%w(--bar baz))
    end

    it "does not pass through unknown options with strict args" do
      klass = Class.new(Thor) do
        strict_args_position!

        desc "unknown", "passing unknown options"
        def unknown(*args)
          args
        end
      end

      expect(klass.start(%w(unknown --bar baz))).to eq([])
      expect(klass.start(%w(unknown foo --bar baz))).to eq(%w(foo))
    end

    it "strict args works in the inheritance chain" do
      parent = Class.new(Thor) do
        strict_args_position!
      end

      klass = Class.new(parent) do
        desc "unknown", "passing unknown options"
        def unknown(*args)
          args
        end
      end

      expect(klass.start(%w(unknown --bar baz))).to eq([])
      expect(klass.start(%w(unknown foo --bar baz))).to eq(%w(foo))
    end

    it "issues a deprecation warning on incompatible types by default" do
      expect do
        Class.new(Thor) do
          option "bar", type: :numeric, default: "foo"
        end
      end.to output(/^Deprecation warning/).to_stderr
    end

    it "allows incompatible types if allow_incompatible_default_type! is called" do
      expect do
        Class.new(Thor) do
          allow_incompatible_default_type!

          option "bar", type: :numeric, default: "foo"
        end
      end.not_to output.to_stderr
    end

    it "allows incompatible types if `check_default_type: false` is given" do
      expect do
        Class.new(Thor) do
          option "bar", type: :numeric, default: "foo", check_default_type: false
        end
      end.not_to output.to_stderr
    end

    it "checks the default type when check_default_type! is called" do
      expect do
        Class.new(Thor) do
          check_default_type!

          option "bar", type: :numeric, default: "foo"
        end
      end.to raise_error(ArgumentError, "Expected numeric default value for '--bar'; got \"foo\" (string)")
    end

    it "send as a command name" do
      expect(MyScript.start(%w(send))).to eq(true)
    end
  end

  context "without an exit_on_failure? method" do
    my_script = Class.new(Thor) do
      desc "no arg", "do nothing"
      def no_arg
      end
    end

    it "outputs a deprecation warning on error" do
      expect do
        my_script.start(%w[no_arg one])
      end.to output(/^Deprecation.*exit_on_failure/).to_stderr
    end
  end

end