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require 'spec_helper'
describe Hashie::Extensions::MethodReader do
class ReaderHash < Hash
include Hashie::Extensions::MethodReader
def initialize(hash = {})
update(hash)
end
end
subject { ReaderHash }
it 'reads string keys from the method' do
expect(subject.new('awesome' => 'sauce').awesome).to eq 'sauce'
end
it 'reads symbol keys from the method' do
expect(subject.new(awesome: 'sauce').awesome).to eq 'sauce'
end
it 'reads nil and false values out properly' do
h = subject.new(nil: nil, false: false)
expect(h.nil).to eq nil
expect(h.false).to eq false
end
it 'raises a NoMethodError for undefined keys' do
expect { subject.new.awesome }.to raise_error(NoMethodError)
end
it 'returns false for undefined keys if key with question has been called ' do
expect(subject.new.awesome?).to eq false
end
it 'returns true for defined keys if key with question has been called' do
expect(subject.new(awesome: 'sauce').awesome?).to eq true
end
describe '#respond_to?' do
it 'is true for string keys' do
expect(subject.new('awesome' => 'sauce')).to be_respond_to(:awesome)
end
it 'is true for symbol keys' do
expect(subject.new(awesome: 'sauce')).to be_respond_to(:awesome)
end
it 'is false for non-keys' do
expect(subject.new).not_to be_respond_to(:awesome)
end
end
end
describe Hashie::Extensions::MethodWriter do
class WriterHash < Hash
include Hashie::Extensions::MethodWriter
end
subject { WriterHash.new }
it 'writes from a method call' do
subject.awesome = 'sauce'
expect(subject['awesome']).to eq 'sauce'
end
it 'converts the key using the #convert_key method' do
allow(subject).to receive(:convert_key).and_return(:awesome)
subject.awesome = 'sauce'
expect(subject[:awesome]).to eq 'sauce'
end
it 'raises NoMethodError on non equals-ending methods' do
expect { subject.awesome }.to raise_error(NoMethodError)
end
it '#respond_to? correctly' do
expect(subject).to be_respond_to(:abc=)
expect(subject).not_to be_respond_to(:abc)
end
end
describe Hashie::Extensions::MethodQuery do
class QueryHash < Hash
include Hashie::Extensions::MethodQuery
def initialize(hash = {})
update(hash)
end
end
subject { QueryHash }
it 'is true for non-nil string key values' do
expect(subject.new('abc' => 123)).to be_abc
end
it 'is true for non-nil symbol key values' do
expect(subject.new(abc: 123)).to be_abc
end
it 'is false for nil key values' do
expect(subject.new(abc: false)).not_to be_abc
end
it 'raises a NoMethodError for non-set keys' do
expect { subject.new.abc? }.to raise_error(NoMethodError)
end
it '#respond_to? for existing string keys' do
expect(subject.new('abc' => 'def')).to be_respond_to('abc?')
end
it '#respond_to? for existing symbol keys' do
expect(subject.new(abc: 'def')).to be_respond_to(:abc?)
end
it 'does not #respond_to? for non-existent keys' do
expect(subject.new).not_to be_respond_to('abc?')
end
end
describe Hashie::Extensions::MethodAccess do
it 'includes all of the other method mixins' do
klass = Class.new(Hash)
klass.send :include, Hashie::Extensions::MethodAccess
expect((klass.ancestors & [Hashie::Extensions::MethodReader, Hashie::Extensions::MethodWriter, Hashie::Extensions::MethodQuery]).size).to eq 3
end
end
describe Hashie::Extensions::MethodOverridingWriter do
class OverridingHash < Hash
include Hashie::Extensions::MethodOverridingWriter
end
subject { OverridingHash.new }
it 'writes from a method call' do
subject.awesome = 'sauce'
expect(subject['awesome']).to eq 'sauce'
end
it 'convertes the key using the #convert_key method' do
allow(subject).to receive(:convert_key).and_return(:awesome)
subject.awesome = 'sauce'
expect(subject[:awesome]).to eq 'sauce'
end
it 'raises NoMethodError on non equals-ending methods' do
expect { subject.awesome }.to raise_error(NoMethodError)
end
it '#respond_to_missing? correctly' do
expect(subject).to respond_to(:abc=)
expect(subject).not_to respond_to(:abc)
expect(subject.method(:abc=)).not_to be_nil
end
context 'when writing a Hash method' do
before { subject.zip = 'a-dee-doo-dah' }
it 'overrides the original method' do
expect(subject.zip).to eq 'a-dee-doo-dah'
end
it 'aliases the method with two leading underscores' do
expect(subject.__zip).to eq [[%w(zip a-dee-doo-dah)]]
end
it 'does not re-alias when overriding an already overridden method' do
subject.zip = 'test'
expect(subject.zip).to eq 'test'
expect(subject.__zip).to eq [[%w(zip test)]]
end
end
end
describe Hashie::Extensions::MethodAccessWithOverride do
it 'includes all of the other method mixins' do
klass = Class.new(Hash)
klass.send :include, Hashie::Extensions::MethodAccessWithOverride
expect((klass.ancestors & [Hashie::Extensions::MethodReader, Hashie::Extensions::MethodOverridingWriter, Hashie::Extensions::MethodQuery]).size).to eq 3
end
end
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