require "helper" describe Thor do describe "#subcommand" do it "maps a given subcommand to another Thor subclass" do barn_help = capture(:stdout) { Scripts::MyDefaults.start(%w[barn]) } expect(barn_help).to include("barn help [COMMAND] # Describe subcommands or one specific subcommand") end it "passes commands to subcommand classes" do expect(capture(:stdout) { Scripts::MyDefaults.start(%w[barn open]) }.strip).to eq("Open sesame!") end it "passes arguments to subcommand classes" do expect(capture(:stdout) { Scripts::MyDefaults.start(%w[barn open shotgun]) }.strip).to eq("That's going to leave a mark.") end it "ignores unknown options (the subcommand class will handle them)" do expect(capture(:stdout) { Scripts::MyDefaults.start(%w[barn paint blue --coats 4]) }.strip).to eq("4 coats of blue paint") end it "passes parsed options to subcommands" do output = capture(:stdout) { TestSubcommands::Parent.start(%w[sub print_opt --opt output]) } expect(output).to eq("output") end it "accepts the help switch and calls the help command on the subcommand" do output = capture(:stdout) { TestSubcommands::Parent.start(%w[sub print_opt --help]) } sub_help = capture(:stdout) { TestSubcommands::Parent.start(%w[sub help print_opt]) } expect(output).to eq(sub_help) end it "accepts the help short switch and calls the help command on the subcommand" do output = capture(:stdout) { TestSubcommands::Parent.start(%w[sub print_opt -h]) } sub_help = capture(:stdout) { TestSubcommands::Parent.start(%w[sub help print_opt]) } expect(output).to eq(sub_help) end it "the help command on the subcommand and after it should result in the same output" do output = capture(:stdout) { TestSubcommands::Parent.start(%w[sub help])} sub_help = capture(:stdout) { TestSubcommands::Parent.start(%w[help sub])} expect(output).to eq(sub_help) end end context "subcommand with an arg" do module SubcommandTest1 class Child1 < Thor desc "foo NAME", "Fooo" def foo(name) puts "#{name} was given" end end class Parent < Thor desc "child1", "child1 description" subcommand "child1", Child1 end end it "shows subcommand name and method name" do sub_help = capture(:stderr) { SubcommandTest1::Parent.start(%w[child1 foo]) } expect(sub_help).to eq ['ERROR: "thor child1 foo" was called with no arguments', 'Usage: "thor child1 foo NAME"', ''].join("\n") end end end