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# frozen_string_literal: true
require 'spec_helper'
module Grape
module DSL
module HeadersSpec
class Dummy
include Grape::DSL::Headers
end
end
describe Headers do
subject { HeadersSpec::Dummy.new }
let(:header_data) do
{ 'First Key' => 'First Value',
'Second Key' => 'Second Value' }
end
context 'when headers are set' do
describe '#header' do
before do
header_data.each { |k, v| subject.header(k, v) }
end
describe 'get' do
it 'returns a specifc value' do
expect(subject.header['First Key']).to eq 'First Value'
expect(subject.header['Second Key']).to eq 'Second Value'
end
it 'returns all set headers' do
expect(subject.header).to eq header_data
expect(subject.headers).to eq header_data
end
end
describe 'set' do
it 'returns value' do
expect(subject.header('Third Key', 'Third Value'))
expect(subject.header['Third Key']).to eq 'Third Value'
end
end
describe 'delete' do
it 'deletes a header key-value pair' do
expect(subject.header('First Key')).to eq header_data['First Key']
expect(subject.header).not_to have_key('First Key')
end
end
end
end
context 'when no headers are set' do
describe '#header' do
it 'returns nil' do
expect(subject.header['First Key']).to be nil
expect(subject.header('First Key')).to be nil
end
end
end
end
end
end
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