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Contents
require 'spec_helper'
require 'taketo/support/named_nodes_collection'
include Taketo::Support
describe "NamedNodesCollection" do
subject(:collection) { NamedNodesCollection.new }
let(:node1) { stub(:name => :foo) }
let(:node2) { stub(:name => :bar) }
it "can be initialized with array" do
expect(NamedNodesCollection.new([1, 2, 3]).length).to eq(3)
end
[:empty?, :each, :length, :size, :first, :last].each do |delegated_method|
it { should respond_to(delegated_method) }
end
it "is Enumerable" do
expect(collection).to be_kind_of(Enumerable)
end
describe "#[]" do
subject(:collection) { NamedNodesCollection.new([node1]) }
it "retrieves node by index" do
expect(collection[0]).to eq(node1)
end
it "retrieves node by name" do
expect(collection[:foo]).to eq(node1)
end
it "raises error if node not found" do
expect { collection[3] }.to raise_error KeyError, /#3/i
expect { collection[:quux] }.to raise_error KeyError, /name/i
end
end
describe "#push, #<<" do
it "adds node to the collection" do
collection.push(node1)
expect(collection.length).to eq(1)
collection << node2
expect(collection.length).to eq(2)
end
it "does nothing if node with same name exists" do
collection.push(node1)
collection.push(node1)
expect(collection.length).to eq(1)
end
it "supports chaining" do
collection << node1 << node2
expect(collection.length).to eq(2)
end
end
it "compares itself to array" do
collection << node1
expect(collection).to eq([node1])
end
end
Version data entries
12 entries across 12 versions & 1 rubygems