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RSpec.describe HTTP::Response::Status do
describe ".new" do
it "fails if given value does not respond to #to_i" do
expect { described_class.new double }.to raise_error TypeError
end
it "accepts any object that responds to #to_i" do
expect { described_class.new double :to_i => 200 }.to_not raise_error
end
end
describe "#code" do
subject { described_class.new("200.0").code }
it { is_expected.to eq 200 }
it { is_expected.to be_a Fixnum }
end
describe "#reason" do
subject { described_class.new(code).reason }
context "with unknown code" do
let(:code) { 1024 }
it { is_expected.to be_nil }
end
described_class::REASONS.each do |code, reason|
class_eval <<-RUBY
context 'with well-known code: #{code}' do
let(:code) { #{code} }
it { is_expected.to eq #{reason.inspect} }
it { is_expected.to be_frozen }
end
RUBY
end
end
describe "#to_sym" do
subject { described_class.new(code).to_sym }
context "with unknown code" do
let(:code) { 1024 }
it { is_expected.to be_nil }
end
described_class::SYMBOLS.each do |code, symbol|
class_eval <<-RUBY
context 'with well-known code: #{code}' do
let(:code) { #{code} }
it { is_expected.to be #{symbol.inspect} }
end
RUBY
end
end
describe "#inspect" do
it "returns quoted code and reason phrase" do
status = described_class.new 200
expect(status.inspect).to eq "#<HTTP::Response::Status 200 OK>"
end
end
# testing edge cases only
describe "::SYMBOLS" do
subject { described_class::SYMBOLS }
# "OK"
its([200]) { is_expected.to be :ok }
# "Bad Request"
its([400]) { is_expected.to be :bad_request }
end
described_class::SYMBOLS.each do |code, symbol|
class_eval <<-RUBY
describe '##{symbol}?' do
subject { status.#{symbol}? }
context 'when code is #{code}' do
let(:status) { described_class.new #{code} }
it { is_expected.to be true }
end
context 'when code is higher than #{code}' do
let(:status) { described_class.new #{code + 1} }
it { is_expected.to be false }
end
context 'when code is lower than #{code}' do
let(:status) { described_class.new #{code - 1} }
it { is_expected.to be false }
end
end
RUBY
end
describe ".coerce" do
context "with String" do
it "coerces reasons" do
expect(described_class.coerce "Bad request").to eq described_class.new 400
end
it "fails when reason is unknown" do
expect { described_class.coerce "foobar" }.to raise_error HTTP::Error
end
end
context "with Symbol" do
it "coerces symbolized reasons" do
expect(described_class.coerce :bad_request).to eq described_class.new 400
end
it "fails when symbolized reason is unknown" do
expect { described_class.coerce :foobar }.to raise_error HTTP::Error
end
end
context "with Numeric" do
it "coerces as Fixnum code" do
expect(described_class.coerce 200.1).to eq described_class.new 200
end
end
it "fails if coercion failed" do
expect { described_class.coerce true }.to raise_error HTTP::Error
end
it "is aliased as `.[]`" do
expect(described_class.method :coerce).to eq described_class.method :[]
end
end
end
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