yawpa/spec/yawpa_spec.rb

72 lines
1.9 KiB
Ruby

require 'spec_helper'
describe Yawpa do
describe 'parse' do
it "returns everything as arguments when no options present" do
options = { }
params = ['one', 'two', 'three', 'four']
opts, args = Yawpa.parse(params, options)
opts.should eq({})
args.should eq(params)
end
it "raises an exception when an invalid option is passed" do
options = { }
params = ['one', '--option', 'two']
expect { Yawpa.parse(params, options) }.to raise_error
end
it "returns boolean options which are set" do
options = {
one: {},
two: {},
three: {},
}
params = ['--one', 'arg', '--two', 'arg2']
opts, args = Yawpa.parse(params, options)
opts.include?(:one).should be_true
opts.include?(:two).should be_true
opts.include?(:three).should be_false
args.should eq(['arg', 'arg2'])
end
it "returns an option's value when nargs = 1" do
options = {
opt: {nargs: 1},
}
params = ['--opt', 'val', 'arg']
opts, args = Yawpa.parse(params, options)
opts[:opt].should eq('val')
args.should eq(['arg'])
end
it "returns an option's values when nargs = 2" do
options = {
opt: {nargs: 2},
}
params = ['--opt', 'val1', 'val2']
opts, args = Yawpa.parse(params, options)
opts[:opt].should eq(['val1', 'val2'])
args.should eq([])
end
it "raises an exception when not enough arguments for an option are given" do
options = {
opt: {nargs: 2},
}
params = ['--opt', 'val']
expect { Yawpa.parse(params, options) }.to raise_error
end
it "uses --opt=val syntax for an option's value" do
options = {
opt: {nargs: 1},
}
params = ['--opt=thevalue', 'arg']
opts, args = Yawpa.parse(params, options)
opts[:opt].should eq('thevalue')
args.should eq(['arg'])
end
end
end