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# frozen_string_literal: true
RSpec.describe Pry::ClassCommand do
describe ".inherited" do
context "when match is defined" do
subject do
Class.new(described_class) do
match('match')
end
end
it "sets match on the subclass" do
subclass = Class.new(subject)
expect(subclass.match).to eq('match')
end
end
context "when description is defined" do
subject do
Class.new(described_class) do
description('description')
end
end
it "sets description on the subclass" do
subclass = Class.new(subject)
expect(subclass.description).to eq('description')
end
end
context "when command_options is defined" do
subject do
Class.new(described_class) do
command_options(listing: 'listing')
end
end
it "sets command_options on the subclass" do
subclass = Class.new(subject)
expect(subclass.command_options)
.to match(hash_including(listing: 'listing'))
end
end
end
describe ".source" do
subject { Class.new(described_class) }
it "returns source code for the process method" do
expect(subject.source).to match(/\Adef process\n.+\nend\n\z/)
end
end
describe ".doc" do
subject do
Class.new(described_class) { banner('banner') }
end
it "returns source code for the process method" do
expect(subject.doc).to eq("banner\n -h, --help Show this message.")
end
end
describe ".source_location" do
subject { Class.new(described_class) }
it "returns source location" do
expect(subject.source_location)
.to match([/class_command.rb/, be_kind_of(Integer)])
end
end
describe ".source_file" do
subject { Class.new(described_class) }
it "returns source file" do
expect(subject.source_file).to match(/class_command.rb/)
end
end
describe ".source_line" do
subject { Class.new(described_class) }
it "returns source file" do
expect(subject.source_line).to be_kind_of(Integer)
end
end
describe "#call" do
subject do
command = Class.new(described_class) do
def process; end
end
command.new
end
before { subject.class.banner('banner') }
it "invokes setup" do
expect(subject).to receive(:setup)
expect(subject.call)
end
it "sets command's opts" do
expect { subject.call }.to change { subject.opts }
.from(nil).to(an_instance_of(Pry::Slop))
end
it "sets command's args" do
expect { subject.call('foo', 'bar') }.to change { subject.args }
.from(nil).to(%w[foo bar])
end
context "when help is invoked" do
let(:output) { StringIO.new }
before { subject.output = output }
it "outputs help info" do
subject.call('--help')
expect(subject.output.string)
.to eq("banner\n -h, --help Show this message.\n")
end
it "returns void value" do
expect(subject.call('--help')).to eql(Pry::Command::VOID_VALUE)
end
end
context "when help is not invloved" do
context "when #process accepts no arguments" do
subject do
command = Class.new(described_class) do
def process; end
end
command.new
end
it "calls the command despite passed arguments" do
expect { subject.call('foo') }.not_to raise_error
end
end
context "when #process accepts some arguments" do
subject do
command = Class.new(described_class) do
def process(arg, other); end
end
command.new
end
it "calls the command even if there's not enough arguments" do
expect { subject.call('foo') }.not_to raise_error
end
it "calls the command even if there are more arguments than needed" do
expect { subject.call('1', '2', '3') }.not_to raise_error
end
end
context "when passed a variable-length array" do
subject do
command = Class.new(described_class) do
def process(arg, other); end
end
command.new
end
it "calls the command without arguments" do
expect { subject.call }.not_to raise_error
end
it "calls the command with some arguments" do
expect { subject.call('1', '2', '3') }.not_to raise_error
end
end
end
end
describe "#help" do
subject { Class.new(described_class).new }
before { subject.class.banner('banner') }
it "returns help output" do
expect(subject.help)
.to eq("banner\n -h, --help Show this message.")
end
end
describe "#slop" do
subject { Class.new(described_class).new }
before { subject.class.banner(' banner') }
it "returns a Slop instance" do
expect(subject.slop).to be_a(Pry::Slop)
end
it "makes Slop's banner unindented" do
slop = subject.slop
expect(slop.banner).to eq('banner')
end
it "defines the help option" do
expect(subject.slop.fetch_option(:help)).not_to be_nil
end
context "when there are subcommands" do
subject do
command = Class.new(described_class) do
def subcommands(cmd)
cmd.command(:download)
end
end
command.new
end
it "adds subcommands to Slop" do
expect(subject.slop.fetch_command(:download)).not_to be_nil
end
end
context "when there are options" do
subject do
command = Class.new(described_class) do
def options(opt)
opt.on(:test)
end
end
command.new
end
it "adds subcommands to Slop" do
expect(subject.slop.fetch_option(:test)).not_to be_nil
end
end
end
describe "#complete" do
subject do
command = Class.new(described_class) do
def options(opt)
opt.on(:d, :download)
opt.on(:u, :upload)
opt.on(:x)
end
end
command.new
end
before { subject.class.banner('') }
it "generates option completions" do
expect(subject.complete(''))
.to match(array_including('--download ', '--upload ', '-x'))
end
end
describe "#process" do
it "raises CommandError" do
expect { subject.process }
.to raise_error(Pry::CommandError, /not implemented/)
end
end
end
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