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# frozen_string_literal: true
# Released under the MIT License.
# Copyright, 2023-2025, by Samuel Williams.
# Copyright, 2023, by Thomas Morgan.
require "protocol/http/header/cache_control"
describe Protocol::HTTP::Header::CacheControl do
let(:header) {subject.parse(description)}
with "max-age=60, s-maxage=30, public" do
it "correctly parses cache header" do
expect(header).to have_attributes(
public?: be == true,
private?: be == false,
max_age: be == 60,
s_maxage: be == 30,
)
end
end
with "max-age=-10, s-maxage=0x22" do
it "gracefully handles invalid values" do
expect(header).to have_attributes(
max_age: be == nil,
s_maxage: be == nil,
)
end
end
with "no-cache, no-store" do
it "correctly parses cache header" do
expect(header).to have_attributes(
no_cache?: be == true,
no_store?: be == true,
)
end
end
with "static" do
it "correctly parses cache header" do
expect(header).to have_attributes(
static?: be == true,
)
end
end
with "dynamic" do
it "correctly parses cache header" do
expect(header).to have_attributes(
dynamic?: be == true,
)
end
end
with "streaming" do
it "correctly parses cache header" do
expect(header).to have_attributes(
streaming?: be == true,
)
end
end
with "must-revalidate" do
it "correctly parses cache header" do
expect(header).to have_attributes(
must_revalidate?: be == true,
)
end
end
with "proxy-revalidate" do
it "correctly parses cache header" do
expect(header).to have_attributes(
proxy_revalidate?: be == true,
)
end
end
with "#<<" do
let(:header) {subject.new}
it "can append values" do
header << "max-age=60"
expect(header).to have_attributes(
max_age: be == 60,
)
end
end
with ".coerce" do
it "normalizes array values to lowercase" do
header = subject.coerce(["PUBLIC", "NO-CACHE"])
expect(header).to be(:include?, "public")
expect(header).to be(:include?, "no-cache")
expect(header).not.to be(:include?, "PUBLIC")
end
it "normalizes string values to lowercase" do
header = subject.coerce("PUBLIC, MAX-AGE=60")
expect(header).to be(:include?, "public")
expect(header).to be(:include?, "max-age=60")
end
end
with ".new" do
it "preserves case when given array" do
header = subject.new(["PUBLIC", "NO-CACHE"])
expect(header).to be(:include?, "PUBLIC")
expect(header).to be(:include?, "NO-CACHE")
end
it "normalizes when given string (backward compatibility)" do
header = subject.new("PUBLIC, MAX-AGE=60")
expect(header).to be(:include?, "public")
expect(header).to be(:include?, "max-age=60")
end
it "raises ArgumentError for invalid value types" do
expect{subject.new(123)}.to raise_exception(ArgumentError)
end
end
end
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