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# frozen_string_literal: true
# Released under the MIT License.
# Copyright, 2018-2026, by Samuel Williams.
require "protocol/http/error"
describe Protocol::HTTP::DuplicateHeaderError do
let(:key) {"content-length"}
let(:existing_value) {"100"}
let(:new_value) {"200"}
let(:error) {subject.new(key, existing_value, new_value)}
with "#initialize" do
it "should set the key and values" do
expect(error.key).to be == key
expect(error.existing_value).to be == existing_value
expect(error.new_value).to be == new_value
end
it "should have a descriptive message" do
expect(error.message).to be =~ /Duplicate singleton header key: "content-length"/
end
end
with "#detailed_message" do
it "should include the header key and both values" do
message = error.detailed_message
expect(message).to be =~ /Duplicate singleton header key: "content-length"/
expect(message).to be =~ /Existing value: "100"/
expect(message).to be =~ /New value: "200"/
end
it "should work with highlight parameter" do
message = error.detailed_message(highlight: true)
expect(message).to be =~ /Duplicate singleton header key: "content-length"/
expect(message).to be =~ /Existing value: "100"/
expect(message).to be =~ /New value: "200"/
end
end
end
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