hashie/spec/hashie/clash_spec.rb

71 lines
2.0 KiB
Ruby

require 'spec_helper'
describe Hashie::Clash do
it 'is able to set an attribute via method_missing' do
subject.foo('bar')
expect(subject[:foo]).to eq 'bar'
end
it 'is able to set multiple attributes' do
subject.foo('bar').baz('wok')
expect(subject).to eq(foo: 'bar', baz: 'wok')
end
it 'converts multiple arguments into an array' do
subject.foo(1, 2, 3)
expect(subject[:foo]).to eq [1, 2, 3]
end
it 'is able to use bang notation to create a new Clash on a key' do
subject.foo!
expect(subject[:foo]).to be_kind_of(Hashie::Clash)
end
it 'is able to chain onto the new Clash when using bang notation' do
subject.foo!.bar('abc').baz(123)
expect(subject).to eq(foo: { bar: 'abc', baz: 123 })
end
it 'is able to jump back up to the parent in the chain with #_end!' do
subject.foo!.bar('abc')._end!.baz(123)
expect(subject).to eq(foo: { bar: 'abc' }, baz: 123)
end
it 'merges rather than replaces existing keys' do
subject.where(abc: 'def').where(hgi: 123)
expect(subject).to eq(where: { abc: 'def', hgi: 123 })
end
it 'is able to replace all of its own keys with #replace' do
subject.foo(:bar).hello(:world)
expect(subject.replace(baz: 123, hgi: 123)).to eq(baz: 123, hgi: 123)
expect(subject).to eq(baz: 123, hgi: 123)
expect(subject[:foo]).to be_nil
expect(subject[:hello]).to be_nil
end
it 'merges multiple bang notation calls' do
subject.where!.foo(123)
subject.where!.bar(321)
expect(subject).to eq(where: { foo: 123, bar: 321 })
end
it 'raises an exception when method is missing' do
expect { subject.boo }.to raise_error(NoMethodError)
end
describe 'when inherited' do
subject { Class.new(described_class).new }
it 'bang nodes are instances of a subclass' do
subject.where!.foo(123)
expect(subject[:where]).to be_instance_of(subject.class)
end
it 'merged nodes are instances of a subclass' do
subject.where(abc: 'def').where(hgi: 123)
expect(subject[:where]).to be_instance_of(subject.class)
end
end
end