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require "helper"
require "thor/parser"
describe Thor::Arguments do
def create(opts = {})
arguments = opts.map do |type, default|
options = {:required => default.nil?, :type => type, :default => default}
Thor::Argument.new(type.to_s, options)
end
arguments.sort! { |a, b| b.name <=> a.name }
@opt = Thor::Arguments.new(arguments)
end
def parse(*args)
@opt.parse(args)
end
describe "#parse" do
it "parses arguments in the given order" do
create :string => nil, :numeric => nil
expect(parse("name", "13")["string"]).to eq("name")
expect(parse("name", "13")["numeric"]).to eq(13)
end
it "accepts hashes" do
create :string => nil, :hash => nil
expect(parse("product", "title:string", "age:integer")["string"]).to eq("product")
expect(parse("product", "title:string", "age:integer")["hash"]).to eq("title" => "string", "age" => "integer")
expect(parse("product", "url:http://www.amazon.com/gp/product/123")["hash"]).to eq("url" => "http://www.amazon.com/gp/product/123")
end
it "accepts arrays" do
create :string => nil, :array => nil
expect(parse("product", "title", "age")["string"]).to eq("product")
expect(parse("product", "title", "age")["array"]).to eq(%w[title age])
end
describe "with no inputs" do
it "and no arguments returns an empty hash" do
create
expect(parse).to eq({})
end
it "and required arguments raises an error" do
create :string => nil, :numeric => nil
expect { parse }.to raise_error(Thor::RequiredArgumentMissingError, "No value provided for required arguments 'string', 'numeric'")
end
it "and default arguments returns default values" do
create :string => "name", :numeric => 13
expect(parse).to eq("string" => "name", "numeric" => 13)
end
end
it "returns the input if it's already parsed" do
create :string => nil, :hash => nil, :array => nil, :numeric => nil
expect(parse("", 0, {}, [])).to eq("string" => "", "numeric" => 0, "hash" => {}, "array" => [])
end
it "returns the default value if none is provided" do
create :string => "foo", :numeric => 3.0
expect(parse("bar")).to eq("string" => "bar", "numeric" => 3.0)
end
end
end
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