require File.expand_path(File.dirname(__FILE__) + "/../../test_helper")

describe ::Inch::CLI::CommandParser do
  before do
    Dir.chdir fixture_path(:simple)
    @command_parser = ::Inch::CLI::CommandParser
  end

  it "should run without args" do
    out, err = capture_io do
      @command = @command_parser.run
    end
    refute out.empty?, "there should be some output"
    assert err.empty?, "there should be no errors"
    assert_equal ::Inch::CLI::Command::Suggest, @command.class
  end

  it "should run Command::Suggest with filelist in args" do
    out, err = capture_io do
      @command = @command_parser.run("suggest", "lib/**/*.rb", "app/**/*.rb")
    end
    refute out.empty?, "there should be some output"
    assert err.empty?, "there should be no errors"
    assert_equal ::Inch::CLI::Command::Suggest, @command.class
  end

  it "should run Command::Suggest with only filelist in args" do
    out, err = capture_io do
      @command = @command_parser.run("lib/**/*.rb", "app/**/*.rb")
    end
    refute out.empty?, "there should be some output"
    assert err.empty?, "there should be no errors"
    assert_equal ::Inch::CLI::Command::Suggest, @command.class
  end

  it "should run Command::Suggest with only switches in args" do
    out, err = capture_io do
      @command = @command_parser.run("--no-color")
    end
    refute out.empty?, "there should be some output"
    assert err.empty?, "there should be no errors"
    assert_equal ::Inch::CLI::Command::Suggest, @command.class
  end

  it "should run Command::List with filelist in args" do
    out, err = capture_io do
      @command = @command_parser.run("list", "lib/**/*.rb", "app/**/*.rb")
    end
    refute out.empty?, "there should be some output"
    assert err.empty?, "there should be no errors"
    assert_equal ::Inch::CLI::Command::List, @command.class
  end

  it "should run Command::Show with filelist in args" do
    out, err = capture_io do
      @command = @command_parser.run("show", "Foo")
    end
    refute out.empty?, "there should be some output"
    assert err.empty?, "there should be no errors"
    assert_equal ::Inch::CLI::Command::Show, @command.class
  end

  it "should output info when run with --help" do
    out, err = capture_io do
      @command = @command_parser.run("--help")
    end
    refute out.empty?, "there should be some output"
    assert_match /\bUsage\b.+inch/, out
    assert err.empty?, "there should be no errors"
  end
end