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require "helper"
describe Thor::Group do
describe "command" do
it "allows to use private methods from parent class as commands" do
expect(ChildGroup.start).to eq(%w[bar foo baz])
expect(ChildGroup.new.baz("bar")).to eq("bar")
end
end
describe "#start" do
it "invokes all the commands under the Thor group" do
expect(MyCounter.start(%w[1 2 --third 3])).to eq([1, 2, 3, nil, nil, nil])
end
it "uses argument's default value" do
expect(MyCounter.start(%w[1 --third 3])).to eq([1, 2, 3, nil, nil, nil])
end
it "invokes all the commands in the Thor group and its parents" do
expect(BrokenCounter.start(%w[1 2 --third 3])).to eq([nil, 2, 3, false, 5, nil])
end
it "raises an error if a required argument is added after a non-required" do
expect do
MyCounter.argument(:foo, :type => :string)
end.to raise_error(ArgumentError, 'You cannot have "foo" as required argument after the non-required argument "second".')
end
it "raises when an exception happens within the command call" do
expect { BrokenCounter.start(%w[1 2 --fail]) }.to raise_error
end
it "raises an error when a Thor group command expects arguments" do
expect { WhinyGenerator.start }.to raise_error(ArgumentError, /thor wrong_arity takes 1 argument, but it should not/)
end
it "invokes help message if any of the shortcuts are given" do
expect(MyCounter).to receive(:help)
MyCounter.start(%w[-h])
end
end
describe "#desc" do
it "sets the description for a given class" do
expect(MyCounter.desc).to eq("Description:\n This generator runs three commands: one, two and three.\n")
end
it "can be inherited" do
expect(BrokenCounter.desc).to eq("Description:\n This generator runs three commands: one, two and three.\n")
end
it "can be nil" do
expect(WhinyGenerator.desc).to be nil
end
end
describe "#help" do
before do
@content = capture(:stdout) { MyCounter.help(Thor::Base.shell.new) }
end
it "provides usage information" do
expect(@content).to match(/my_counter N \[N\]/)
end
it "shows description" do
expect(@content).to match(/Description:/)
expect(@content).to match(/This generator runs three commands: one, two and three./)
end
it "shows options information" do
expect(@content).to match(/Options/)
expect(@content).to match(/\[\-\-third=THREE\]/)
end
end
describe "#invoke" do
before do
@content = capture(:stdout) { E.start }
end
it "allows to invoke a class from the class binding" do
expect(@content).to match(/1\n2\n3\n4\n5\n/)
end
it "shows invocation information to the user" do
expect(@content).to match(/invoke Defined/)
end
it "uses padding on status generated by the invoked class" do
expect(@content).to match(/finished counting/)
end
it "allows invocation to be configured with blocks" do
capture(:stdout) do
expect(F.start).to eq(["Valim, Jose"])
end
end
it "shows invoked options on help" do
content = capture(:stdout) { E.help(Thor::Base.shell.new) }
expect(content).to match(/Defined options:/)
expect(content).to match(/\[--unused\]/)
expect(content).to match(/# This option has no use/)
end
end
describe "#invoke_from_option" do
describe "with default type" do
before do
@content = capture(:stdout) { G.start }
end
it "allows to invoke a class from the class binding by a default option" do
expect(@content).to match(/1\n2\n3\n4\n5\n/)
end
it "does not invoke if the option is nil" do
expect(capture(:stdout) { G.start(%w[--skip-invoked]) }).not_to match(/invoke/)
end
it "prints a message if invocation cannot be found" do
content = capture(:stdout) { G.start(%w[--invoked unknown]) }
expect(content).to match(/error unknown \[not found\]/)
end
it "allows to invoke a class from the class binding by the given option" do
error = nil
content = capture(:stdout) do
error = capture(:stderr) do
G.start(%w[--invoked e])
end
end
expect(content).to match(/invoke e/)
expect(error).to match(/ERROR: "thor two" was called with arguments/)
end
it "shows invocation information to the user" do
expect(@content).to match(/invoke defined/)
end
it "uses padding on status generated by the invoked class" do
expect(@content).to match(/finished counting/)
end
it "shows invoked options on help" do
content = capture(:stdout) { G.help(Thor::Base.shell.new) }
expect(content).to match(/defined options:/)
expect(content).to match(/\[--unused\]/)
expect(content).to match(/# This option has no use/)
end
end
describe "with boolean type" do
before do
@content = capture(:stdout) { H.start }
end
it "allows to invoke a class from the class binding by a default option" do
expect(@content).to match(/1\n2\n3\n4\n5\n/)
end
it "does not invoke if the option is false" do
expect(capture(:stdout) { H.start(%w[--no-defined]) }).not_to match(/invoke/)
end
it "shows invocation information to the user" do
expect(@content).to match(/invoke defined/)
end
it "uses padding on status generated by the invoked class" do
expect(@content).to match(/finished counting/)
end
it "shows invoked options on help" do
content = capture(:stdout) { H.help(Thor::Base.shell.new) }
expect(content).to match(/defined options:/)
expect(content).to match(/\[--unused\]/)
expect(content).to match(/# This option has no use/)
end
end
end
describe "edge-cases" do
it "can handle boolean options followed by arguments" do
klass = Class.new(Thor::Group) do
desc "say hi to name"
argument :name, :type => :string
class_option :loud, :type => :boolean
def hi
name.upcase! if options[:loud]
"Hi #{name}"
end
end
expect(klass.start(%w[jose])).to eq(["Hi jose"])
expect(klass.start(%w[jose --loud])).to eq(["Hi JOSE"])
expect(klass.start(%w[--loud jose])).to eq(["Hi JOSE"])
end
it "provides extra args as `args`" do
klass = Class.new(Thor::Group) do
desc "say hi to name"
argument :name, :type => :string
class_option :loud, :type => :boolean
def hi
name.upcase! if options[:loud]
out = "Hi #{name}"
out << ": " << args.join(", ") unless args.empty?
out
end
end
expect(klass.start(%w[jose])).to eq(["Hi jose"])
expect(klass.start(%w[jose --loud])).to eq(["Hi JOSE"])
expect(klass.start(%w[--loud jose])).to eq(["Hi JOSE"])
end
end
end
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