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|
# frozen_string_literal: true
require 'spec_helper'
module Grape
module Util
describe StackableValues do
subject { described_class.new(parent) }
let(:parent) { described_class.new }
describe '#keys' do
it 'returns all keys' do
subject[:some_thing] = :foo_bar
subject[:some_thing_else] = :foo_bar
expect(subject.keys).to eq %i[some_thing some_thing_else].sort
end
it 'returns merged keys with parent' do
parent[:some_thing] = :foo
parent[:some_thing_else] = :foo
subject[:some_thing] = :foo_bar
subject[:some_thing_more] = :foo_bar
expect(subject.keys).to eq %i[some_thing some_thing_else some_thing_more].sort
end
end
describe '#delete' do
it 'deletes a key' do
subject[:some_thing] = :new_foo_bar
subject.delete :some_thing
expect(subject[:some_thing]).to eq []
end
it 'does not delete parent values' do
parent[:some_thing] = :foo
subject[:some_thing] = :new_foo_bar
subject.delete :some_thing
expect(subject[:some_thing]).to eq [:foo]
end
end
describe '#[]' do
it 'returns an array of values' do
subject[:some_thing] = :foo
expect(subject[:some_thing]).to eq [:foo]
end
it 'returns parent value when no value is set' do
parent[:some_thing] = :foo
expect(subject[:some_thing]).to eq [:foo]
end
it 'combines parent and actual values' do
parent[:some_thing] = :foo
subject[:some_thing] = :foo_bar
expect(subject[:some_thing]).to eq %i[foo foo_bar]
end
it 'parent values are not changed' do
parent[:some_thing] = :foo
subject[:some_thing] = :foo_bar
expect(parent[:some_thing]).to eq [:foo]
end
end
describe '#[]=' do
it 'sets a value' do
subject[:some_thing] = :foo
expect(subject[:some_thing]).to eq [:foo]
end
it 'pushes further values' do
subject[:some_thing] = :foo
subject[:some_thing] = :bar
expect(subject[:some_thing]).to eq %i[foo bar]
end
it 'can handle array values' do
subject[:some_thing] = :foo
subject[:some_thing] = %i[bar more]
expect(subject[:some_thing]).to eq [:foo, %i[bar more]]
parent[:some_thing_else] = %i[foo bar]
subject[:some_thing_else] = %i[some bar foo]
expect(subject[:some_thing_else]).to eq [%i[foo bar], %i[some bar foo]]
end
end
describe '#to_hash' do
it 'returns a Hash representation' do
parent[:some_thing] = :foo
subject[:some_thing] = %i[bar more]
subject[:some_thing_more] = :foo_bar
expect(subject.to_hash).to eq(some_thing: [:foo, %i[bar more]], some_thing_more: [:foo_bar])
end
end
describe '#clone' do
let(:obj_cloned) { subject.clone }
it 'copies all values' do
parent = described_class.new
child = described_class.new parent
grandchild = described_class.new child
parent[:some_thing] = :foo
child[:some_thing] = %i[bar more]
grandchild[:some_thing] = :grand_foo_bar
grandchild[:some_thing_more] = :foo_bar
expect(grandchild.clone.to_hash).to eq(some_thing: [:foo, %i[bar more], :grand_foo_bar], some_thing_more: [:foo_bar])
end
context 'complex (i.e. not primitive) data types (ex. middleware, please see bug #930)' do
let(:middleware) { double }
before { subject[:middleware] = middleware }
it 'copies values; does not duplicate them' do
expect(obj_cloned[:middleware]).to eq [middleware]
end
end
end
end
end
end
|
