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require File.expand_path(File.dirname(__FILE__) + '/../spec_helper')
require 'thor/parser'
describe Thor::Option do
def parse(key, value)
Thor::Option.parse(key, value)
end
def option(name, options={})
@option ||= Thor::Option.new(name, options)
end
describe "#parse" do
describe "with value as a symbol" do
describe "and symbol is a valid type" do
it "has type equals to the symbol" do
parse(:foo, :string).type.should == :string
parse(:foo, :numeric).type.should == :numeric
end
it "has not default value" do
parse(:foo, :string).default.should be_nil
parse(:foo, :numeric).default.should be_nil
end
end
describe "equals to :required" do
it "has type equals to :string" do
parse(:foo, :required).type.should == :string
end
it "has no default value" do
parse(:foo, :required).default.should be_nil
end
end
describe "and symbol is not a reserved key" do
it "has type equals to :string" do
parse(:foo, :bar).type.should == :string
end
it "has no default value" do
parse(:foo, :bar).default.should be_nil
end
end
end
describe "with value as hash" do
it "has default type :hash" do
parse(:foo, :a => :b).type.should == :hash
end
it "has default value equals to the hash" do
parse(:foo, :a => :b).default.should == { :a => :b }
end
end
describe "with value as array" do
it "has default type :array" do
parse(:foo, [:a, :b]).type.should == :array
end
it "has default value equals to the array" do
parse(:foo, [:a, :b]).default.should == [:a, :b]
end
end
describe "with value as string" do
it "has default type :string" do
parse(:foo, "bar").type.should == :string
end
it "has default value equals to the string" do
parse(:foo, "bar").default.should == "bar"
end
end
describe "with value as numeric" do
it "has default type :numeric" do
parse(:foo, 2.0).type.should == :numeric
end
it "has default value equals to the numeric" do
parse(:foo, 2.0).default.should == 2.0
end
end
describe "with value as boolean" do
it "has default type :boolean" do
parse(:foo, true).type.should == :boolean
parse(:foo, false).type.should == :boolean
end
it "has default value equals to the boolean" do
parse(:foo, true).default.should == true
parse(:foo, false).default.should == false
end
end
describe "with key as a symbol" do
it "sets the name equals to the key" do
parse(:foo, true).name.should == "foo"
end
end
describe "with key as an array" do
it "sets the first items in the array to the name" do
parse([:foo, :bar, :baz], true).name.should == "foo"
end
it "sets all other items as aliases" do
parse([:foo, :bar, :baz], true).aliases.should == [:bar, :baz]
end
end
end
it "returns the switch name" do
option("foo").switch_name.should == "--foo"
option("--foo").switch_name.should == "--foo"
end
it "returns the human name" do
option("foo").human_name.should == "foo"
option("--foo").human_name.should == "foo"
end
it "converts underscores to dashes" do
option("foo_bar").switch_name.should == "--foo-bar"
end
it "can be required and have default values" do
option = option("foo", :required => true, :type => :string, :default => "bar")
option.default.should == "bar"
option.should be_required
end
it "cannot be required and have type boolean" do
lambda {
option("foo", :required => true, :type => :boolean)
}.should raise_error(ArgumentError, "An option cannot be boolean and required.")
end
it "allows type predicates" do
parse(:foo, :string).should be_string
parse(:foo, :boolean).should be_boolean
parse(:foo, :numeric).should be_numeric
end
it "raises an error on method missing" do
lambda {
parse(:foo, :string).unknown?
}.should raise_error(NoMethodError)
end
describe "#usage" do
it "returns usage for string types" do
parse(:foo, :string).usage.should == "[--foo=FOO]"
end
it "returns usage for numeric types" do
parse(:foo, :numeric).usage.should == "[--foo=N]"
end
it "returns usage for array types" do
parse(:foo, :array).usage.should == "[--foo=one two three]"
end
it "returns usage for hash types" do
parse(:foo, :hash).usage.should == "[--foo=key:value]"
end
it "returns usage for boolean types" do
parse(:foo, :boolean).usage.should == "[--foo]"
end
it "uses padding when no aliases is given" do
parse(:foo, :boolean).usage(4).should == " [--foo]"
end
it "uses banner when supplied" do
option(:foo, :required => false, :type => :string, :banner => "BAR").usage.should == "[--foo=BAR]"
end
it "checkes when banner is an empty string" do
option(:foo, :required => false, :type => :string, :banner => "").usage.should == "[--foo]"
end
describe "with required values" do
it "does not show the usage between brackets" do
parse(:foo, :required).usage.should == "--foo=FOO"
end
end
describe "with aliases" do
it "does not show the usage between brackets" do
parse([:foo, "-f", "-b"], :required).usage.should == "-f, -b, --foo=FOO"
end
end
end
end
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