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require 'http-parser'
describe HttpParser::Parser, "#initialize" do
before :each do
@inst = HttpParser::Parser.new_instance
end
describe "callbacks" do
describe "on_message_begin" do
subject do
described_class.new do |parser|
parser.on_message_begin { @begun = true }
end
end
it "should trigger on a new request" do
subject.parse @inst, "GET / HTTP/1.1"
expect(@begun).to eq(true)
end
end
describe "on_url" do
let(:expected) { '/foo?q=1' }
subject do
described_class.new do |parser|
parser.on_url { |inst, data| @url = data }
end
end
it "should pass the recognized url" do
subject.parse @inst, "GET "
expect(@url).to be_nil
subject.parse @inst, "#{expected} HTTP/1.1"
expect(@url).to eq(expected)
end
end
describe "on_header_field" do
let(:expected) { 'Host' }
subject do
described_class.new do |parser|
parser.on_header_field { |inst, data| @header_field = data }
end
end
it "should pass the recognized header-name" do
subject.parse @inst, "GET /foo HTTP/1.1\r\n"
expect(@header_field).to be_nil
subject.parse @inst, "#{expected}: example.com\r\n"
expect(@header_field).to eq(expected)
end
end
describe "on_header_value" do
let(:expected) { 'example.com' }
subject do
described_class.new do |parser|
parser.on_header_value { |inst, data| @header_value = data }
end
end
it "should pass the recognized header-value" do
subject.parse @inst, "GET /foo HTTP/1.1\r\n"
expect(@header_value).to be_nil
subject.parse @inst, "Host: #{expected}\r\n"
expect(@header_value).to eq(expected)
end
end
describe "on_headers_complete" do
subject do
described_class.new do |parser|
parser.on_headers_complete { @header_complete = true }
end
end
it "should trigger on the last header" do
subject.parse @inst, "GET / HTTP/1.1\r\nHost: example.com\r\n"
expect(@header_complete).to be_nil
subject.parse @inst, "\r\n"
expect(@header_complete).to eq(true)
end
context "when #stop! is called" do
subject do
described_class.new do |parser|
parser.on_headers_complete { @inst.stop! }
parser.on_body { |inst, data| @body = data }
end
end
it "should indicate there is no request body to parse" do
subject.parse @inst, "GET / HTTP/1.1\r\nHost: example.com\r\n\r\nBody"
expect(@body).to be_nil
end
end
end
describe "on_body" do
let(:expected) { "Body" }
subject do
described_class.new do |parser|
parser.on_body { |inst, data| @body = data }
end
end
it "should trigger on the body" do
subject.parse @inst, "POST / HTTP/1.1\r\nTransfer-Encoding: chunked\r\n\r\n"
expect(@body).to be_nil
subject.parse @inst, "#{"%x" % expected.length}\r\n#{expected}"
expect(@body).to eq(expected)
end
end
describe "on_message_complete" do
subject do
described_class.new do |parser|
parser.on_message_complete { @message_complete = true }
end
end
it "should trigger at the end of the message" do
subject.parse @inst, "GET / HTTP/1.1\r\n"
expect(@message_complete).to be_nil
subject.parse @inst, "Host: example.com\r\n\r\n"
expect(@message_complete).to eq(true)
end
end
end
describe "#http_method" do
let(:expected) { :POST }
it "should set the http_method field" do
subject.parse @inst, "#{expected} / HTTP/1.1\r\n"
expect(@inst.http_method).to eq(expected)
end
end
describe "#http_major" do
let(:expected) { 1 }
before do
@inst.type = :request
end
context "when parsing requests" do
it "should set the http_major field" do
subject.parse @inst, "GET / HTTP/#{expected}."
expect(@inst.http_major).to eq(expected)
end
end
context "when parsing responses" do
before do
@inst.type = :response
end
it "should set the http_major field" do
subject.parse @inst, "HTTP/#{expected}."
expect(@inst.http_major).to eq(expected)
end
end
end
describe "#http_minor" do
let(:expected) { 2 }
context "when parsing requests" do
it "should set the http_minor field" do
subject.parse @inst, "GET / HTTP/1.#{expected}\r\n"
expect(@inst.http_minor).to eq(expected)
end
end
context "when parsing responses" do
before do
@inst.type = :response
end
it "should set the http_major field" do
subject.parse @inst, "HTTP/1.#{expected} "
expect(@inst.http_minor).to eq(expected)
end
end
end
describe "#http_version" do
let(:expected) { '1.1' }
before do
subject.parse @inst, "GET / HTTP/#{expected}\r\n"
end
it "should combine #http_major and #http_minor" do
expect(@inst.http_version).to eq(expected)
end
end
describe "#http_status" do
context "when parsing requests" do
before do
subject.parse @inst, "GET / HTTP/1.1\r\nHost: example.com\r\n\r\n"
end
it "should not be set" do
expect(@inst.http_status).to be_zero
end
end
context "when parsing responses" do
let(:expected) { 200 }
before do
@inst.type = :response
subject.parse @inst, "HTTP/1.1 #{expected} OK\r\n"
subject.parse @inst, "Location: http://example.com/\r\n\r\n"
end
it "should set the http_status field" do
expect(@inst.http_status).to eq(expected)
end
end
end
describe "#upgrade?" do
let(:upgrade) { 'WebSocket' }
before do
subject.parse @inst, "GET /demo HTTP/1.1\r\n"
subject.parse @inst, "Upgrade: #{upgrade}\r\n"
subject.parse @inst, "Connection: Upgrade\r\n"
subject.parse @inst, "Host: example.com\r\n"
subject.parse @inst, "Origin: http://example.com\r\n"
subject.parse @inst, "WebSocket-Protocol: sample\r\n"
subject.parse @inst, "\r\n"
end
xit "should return true if the Upgrade header was set" do
expect(@inst.upgrade?).to eq(true)
end
end
describe "pipelined requests" do
subject do
@begun = 0
described_class.new do |parser|
parser.on_message_begin { @begun += 1 }
end
end
it "should trigger on a new request" do
subject.parse @inst, "GET /demo HTTP/1.1\r\n\r\nGET /demo HTTP/1.1\r\n\r\n"
expect(@begun).to eq(2)
end
end
describe "method based instead of block based" do
class SomeParserClass
attr_reader :url
def on_url(inst, data)
@url = data
end
end
let(:expected) { '/foo?q=1' }
it "should simplify the process" do
callbacks = SomeParserClass.new
parser = described_class.new(callbacks)
parser.parse @inst, "GET "
expect(callbacks.url).to be_nil
parser.parse @inst, "#{expected} HTTP/1.1"
expect(callbacks.url).to eq(expected)
end
end
end
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