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require File.expand_path(File.dirname(__FILE__) + '/spec_helper')
describe Thor::Task do
def task(options={})
options.each do |key, value|
options[key] = Thor::Option.parse(key, value)
end
@task ||= Thor::Task.new(:can_has, "I can has cheezburger", "I can has cheezburger\nLots and lots of it", "can_has", options)
end
describe "#formatted_usage" do
it "includes namespace within usage" do
object = Struct.new(:namespace, :arguments).new("foo", [])
task(:bar => :required).formatted_usage(object).should == "foo:can_has --bar=BAR"
end
it "includes subcommand name within subcommand usage" do
object = Struct.new(:namespace, :arguments).new("main:foo", [])
task(:bar => :required).formatted_usage(object, false, true).should == "foo can_has --bar=BAR"
end
it "removes default from namespace" do
object = Struct.new(:namespace, :arguments).new("default:foo", [])
task(:bar => :required).formatted_usage(object).should == ":foo:can_has --bar=BAR"
end
it "injects arguments into usage" do
object = Struct.new(:namespace, :arguments).new("foo", [Thor::Argument.new(:bar, nil, true, :string)])
task(:foo => :required).formatted_usage(object).should == "foo:can_has BAR --foo=FOO"
end
end
describe "#dynamic" do
it "creates a dynamic task with the given name" do
Thor::DynamicTask.new('task').name.should == 'task'
Thor::DynamicTask.new('task').description.should == 'A dynamically-generated task'
Thor::DynamicTask.new('task').usage.should == 'task'
Thor::DynamicTask.new('task').options.should == {}
end
it "does not invoke an existing method" do
mock = mock()
mock.class.should_receive(:handle_no_task_error).with("to_s")
Thor::DynamicTask.new('to_s').run(mock)
end
end
describe "#dup" do
it "dup options hash" do
task = Thor::Task.new("can_has", nil, nil, nil, :foo => true, :bar => :required)
task.dup.options.delete(:foo)
task.options[:foo].should be
end
end
describe "#run" do
it "runs a task by calling a method in the given instance" do
mock = mock()
mock.should_receive(:can_has).and_return {|*args| args }
task.run(mock, [1, 2, 3]).should == [1, 2, 3]
end
it "raises an error if the method to be invoked is private" do
klass = Class.new do
def self.handle_no_task_error(name)
name
end
private
def can_has
"fail"
end
end
task.run(klass.new).should == "can_has"
end
end
end
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