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# frozen_string_literal: true
RSpec.describe Faraday::Utils::Headers do
subject { Faraday::Utils::Headers.new }
context 'when Content-Type is set to application/json' do
before { subject['Content-Type'] = 'application/json' }
it { expect(subject.keys).to eq(['Content-Type']) }
it { expect(subject['Content-Type']).to eq('application/json') }
it { expect(subject['CONTENT-TYPE']).to eq('application/json') }
it { expect(subject['content-type']).to eq('application/json') }
it { is_expected.to include('content-type') }
end
context 'when Content-Type is set to application/xml' do
before { subject['Content-Type'] = 'application/xml' }
it { expect(subject.keys).to eq(['Content-Type']) }
it { expect(subject['Content-Type']).to eq('application/xml') }
it { expect(subject['CONTENT-TYPE']).to eq('application/xml') }
it { expect(subject['content-type']).to eq('application/xml') }
it { is_expected.to include('content-type') }
end
describe '#fetch' do
before { subject['Content-Type'] = 'application/json' }
it { expect(subject.fetch('Content-Type')).to eq('application/json') }
it { expect(subject.fetch('CONTENT-TYPE')).to eq('application/json') }
it { expect(subject.fetch(:content_type)).to eq('application/json') }
it { expect(subject.fetch('invalid', 'default')).to eq('default') }
it { expect(subject.fetch('invalid', false)).to eq(false) }
it { expect(subject.fetch('invalid', nil)).to be_nil }
it { expect(subject.fetch('Invalid') { |key| "#{key} key" }).to eq('Invalid key') }
it 'calls a block when provided' do
block_called = false
expect(subject.fetch('content-type') { block_called = true }).to eq('application/json')
expect(block_called).to be_falsey
end
it 'raises an error if key not found' do
expected_error = defined?(KeyError) ? KeyError : IndexError
expect { subject.fetch('invalid') }.to raise_error(expected_error)
end
end
describe '#delete' do
before do
subject['Content-Type'] = 'application/json'
@deleted = subject.delete('content-type')
end
it { expect(@deleted).to eq('application/json') }
it { expect(subject.size).to eq(0) }
it { is_expected.not_to include('content-type') }
it { expect(subject.delete('content-type')).to be_nil }
end
describe '#dig' do
before { subject['Content-Type'] = 'application/json' }
it { expect(subject&.dig('Content-Type')).to eq('application/json') }
it { expect(subject&.dig('CONTENT-TYPE')).to eq('application/json') }
it { expect(subject&.dig(:content_type)).to eq('application/json') }
it { expect(subject&.dig('invalid')).to be_nil }
end
describe '#parse' do
context 'when response headers leave http status line out' do
let(:headers) { "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n" }
before { subject.parse(headers) }
it { expect(subject.keys).to eq(%w[Content-Type]) }
it { expect(subject['Content-Type']).to eq('text/html') }
it { expect(subject['content-type']).to eq('text/html') }
end
context 'when response headers values include a colon' do
let(:headers) { "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nLocation: http://httpbingo.org/\r\n\r\n" }
before { subject.parse(headers) }
it { expect(subject['location']).to eq('http://httpbingo.org/') }
end
context 'when response headers include a blank line' do
let(:headers) { "HTTP/1.1 200 OK\r\n\r\nContent-Type: text/html\r\n\r\n" }
before { subject.parse(headers) }
it { expect(subject['content-type']).to eq('text/html') }
end
context 'when response headers include already stored keys' do
let(:headers) { "HTTP/1.1 200 OK\r\nX-Numbers: 123\r\n\r\n" }
before do
h = subject
h[:x_numbers] = 8
h.parse(headers)
end
it do
expect(subject[:x_numbers]).to eq('8, 123')
end
end
end
end
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