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require 'spec_helper'
describe Hashie::Extensions::IndifferentAccess do
class IndifferentHash < Hash
include Hashie::Extensions::MergeInitializer
include Hashie::Extensions::IndifferentAccess
end
subject{ IndifferentHash }
it 'should be able to access via string or symbol' do
h = subject.new(:abc => 123)
h[:abc].should == 123
h['abc'].should == 123
end
describe '#values_at' do
it 'should indifferently find values' do
h = subject.new(:foo => 'bar', 'baz' => 'qux')
h.values_at('foo', :baz).should == %w(bar qux)
end
end
describe '#fetch' do
it 'should work like normal fetch, but indifferent' do
h = subject.new(:foo => 'bar')
h.fetch(:foo).should == h.fetch('foo')
h.fetch(:foo).should == 'bar'
end
end
describe '#delete' do
it 'should delete indifferently' do
h = subject.new(:foo => 'bar', 'baz' => 'qux')
h.delete('foo')
h.delete(:baz)
h.should be_empty
end
end
describe '#key?' do
let(:h) { subject.new(:foo => 'bar') }
it 'should find it indifferently' do
h.should be_key(:foo)
h.should be_key('foo')
end
%w(include? member? has_key?).each do |key_alias|
it "should be aliased as #{key_alias}" do
h.send(key_alias.to_sym, :foo).should be(true)
h.send(key_alias.to_sym, 'foo').should be(true)
end
end
end
describe '#update' do
subject{ IndifferentHash.new(:foo => 'bar') }
it 'should allow keys to be indifferent still' do
subject.update(:baz => 'qux')
subject['foo'].should == 'bar'
subject['baz'].should == 'qux'
end
it 'should recursively inject indifference into sub-hashes' do
subject.update(:baz => {:qux => 'abc'})
subject['baz']['qux'].should == 'abc'
end
it 'should not change the ancestors of the injected object class' do
subject.update(:baz => {:qux => 'abc'})
Hash.new.should_not be_respond_to(:indifferent_access?)
end
end
describe '#replace' do
subject do
IndifferentHash.new(:foo => 'bar').replace(:bar => 'baz', :hi => 'bye')
end
it 'returns self' do
subject.should be_a(IndifferentHash)
end
it 'should remove old keys' do
[:foo, 'foo'].each do |k|
subject[k].should be_nil
subject.key?(k).should be_false
end
end
it 'creates new keys with indifferent access' do
[:bar, 'bar', :hi, 'hi'].each { |k| subject.key?(k).should be_true }
subject[:bar].should == 'baz'
subject['bar'].should == 'baz'
subject[:hi].should == 'bye'
subject['hi'].should == 'bye'
end
end
end
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