twitter-status-bot/.gems/gems/http_parser.rb-0.6.0/spec/parser_spec.rb

351 lines
9.5 KiB
Ruby

require "spec_helper"
require "json"
describe HTTP::Parser do
before do
@parser = HTTP::Parser.new
@headers = nil
@body = ""
@started = false
@done = false
@parser.on_message_begin = proc{ @started = true }
@parser.on_headers_complete = proc { |e| @headers = e }
@parser.on_body = proc { |chunk| @body << chunk }
@parser.on_message_complete = proc{ @done = true }
end
it "should have initial state" do
@parser.headers.should be_nil
@parser.http_version.should be_nil
@parser.http_method.should be_nil
@parser.status_code.should be_nil
@parser.request_url.should be_nil
@parser.header_value_type.should == :mixed
end
it "should allow us to set the header value type" do
[:mixed, :arrays, :strings].each do |type|
@parser.header_value_type = type
@parser.header_value_type.should == type
parser_tmp = HTTP::Parser.new(nil, type)
parser_tmp.header_value_type.should == type
end
end
it "should allow us to set the default header value type" do
[:mixed, :arrays, :strings].each do |type|
HTTP::Parser.default_header_value_type = type
parser = HTTP::Parser.new
parser.header_value_type.should == type
end
end
it "should throw an Argument Error if header value type is invalid" do
proc{ @parser.header_value_type = 'bob' }.should raise_error(ArgumentError)
end
it "should throw an Argument Error if default header value type is invalid" do
proc{ HTTP::Parser.default_header_value_type = 'bob' }.should raise_error(ArgumentError)
end
it "should implement basic api" do
@parser <<
"GET /test?ok=1 HTTP/1.1\r\n" +
"User-Agent: curl/7.18.0\r\n" +
"Host: 0.0.0.0:5000\r\n" +
"Accept: */*\r\n" +
"Content-Length: 5\r\n" +
"\r\n" +
"World"
@started.should be_true
@done.should be_true
@parser.http_major.should == 1
@parser.http_minor.should == 1
@parser.http_version.should == [1,1]
@parser.http_method.should == 'GET'
@parser.status_code.should be_nil
@parser.request_url.should == '/test?ok=1'
@parser.headers.should == @headers
@parser.headers['User-Agent'].should == 'curl/7.18.0'
@parser.headers['Host'].should == '0.0.0.0:5000'
@body.should == "World"
end
it "should raise errors on invalid data" do
proc{ @parser << "BLAH" }.should raise_error(HTTP::Parser::Error)
end
it "should abort parser via callback" do
@parser.on_headers_complete = proc { |e| @headers = e; :stop }
data =
"GET / HTTP/1.0\r\n" +
"Content-Length: 5\r\n" +
"\r\n" +
"World"
bytes = @parser << data
bytes.should == 37
data[bytes..-1].should == 'World'
@headers.should == {'Content-Length' => '5'}
@body.should be_empty
@done.should be_false
end
it "should reset to initial state" do
@parser << "GET / HTTP/1.0\r\n\r\n"
@parser.http_method.should == 'GET'
@parser.http_version.should == [1,0]
@parser.request_url.should == '/'
@parser.reset!.should be_true
@parser.http_version.should be_nil
@parser.http_method.should be_nil
@parser.status_code.should be_nil
@parser.request_url.should be_nil
end
it "should optionally reset parser state on no-body responses" do
@parser.reset!.should be_true
@head, @complete = 0, 0
@parser.on_headers_complete = proc {|h| @head += 1; :reset }
@parser.on_message_complete = proc { @complete += 1 }
@parser.on_body = proc {|b| fail }
head_response = "HTTP/1.1 200 OK\r\nContent-Length:10\r\n\r\n"
@parser << head_response
@head.should == 1
@complete.should == 1
@parser << head_response
@head.should == 2
@complete.should == 2
end
it "should retain callbacks after reset" do
@parser.reset!.should be_true
@parser << "GET / HTTP/1.0\r\n\r\n"
@started.should be_true
@headers.should == {}
@done.should be_true
end
it "should parse headers incrementally" do
request =
"GET / HTTP/1.0\r\n" +
"Header1: value 1\r\n" +
"Header2: value 2\r\n" +
"\r\n"
while chunk = request.slice!(0,2) and !chunk.empty?
@parser << chunk
end
@parser.headers.should == {
'Header1' => 'value 1',
'Header2' => 'value 2'
}
end
it "should handle multiple headers using strings" do
@parser.header_value_type = :strings
@parser <<
"GET / HTTP/1.0\r\n" +
"Set-Cookie: PREF=ID=a7d2c98; expires=Fri, 05-Apr-2013 05:00:45 GMT; path=/; domain=.bob.com\r\n" +
"Set-Cookie: NID=46jSHxPM; path=/; domain=.bob.com; HttpOnly\r\n" +
"\r\n"
@parser.headers["Set-Cookie"].should == "PREF=ID=a7d2c98; expires=Fri, 05-Apr-2013 05:00:45 GMT; path=/; domain=.bob.com, NID=46jSHxPM; path=/; domain=.bob.com; HttpOnly"
end
it "should handle multiple headers using strings" do
@parser.header_value_type = :arrays
@parser <<
"GET / HTTP/1.0\r\n" +
"Set-Cookie: PREF=ID=a7d2c98; expires=Fri, 05-Apr-2013 05:00:45 GMT; path=/; domain=.bob.com\r\n" +
"Set-Cookie: NID=46jSHxPM; path=/; domain=.bob.com; HttpOnly\r\n" +
"\r\n"
@parser.headers["Set-Cookie"].should == [
"PREF=ID=a7d2c98; expires=Fri, 05-Apr-2013 05:00:45 GMT; path=/; domain=.bob.com",
"NID=46jSHxPM; path=/; domain=.bob.com; HttpOnly"
]
end
it "should handle multiple headers using mixed" do
@parser.header_value_type = :mixed
@parser <<
"GET / HTTP/1.0\r\n" +
"Set-Cookie: PREF=ID=a7d2c98; expires=Fri, 05-Apr-2013 05:00:45 GMT; path=/; domain=.bob.com\r\n" +
"Set-Cookie: NID=46jSHxPM; path=/; domain=.bob.com; HttpOnly\r\n" +
"\r\n"
@parser.headers["Set-Cookie"].should == [
"PREF=ID=a7d2c98; expires=Fri, 05-Apr-2013 05:00:45 GMT; path=/; domain=.bob.com",
"NID=46jSHxPM; path=/; domain=.bob.com; HttpOnly"
]
end
it "should handle a single cookie using mixed" do
@parser.header_value_type = :mixed
@parser <<
"GET / HTTP/1.0\r\n" +
"Set-Cookie: PREF=ID=a7d2c98; expires=Fri, 05-Apr-2013 05:00:45 GMT; path=/; domain=.bob.com\r\n" +
"\r\n"
@parser.headers["Set-Cookie"].should == "PREF=ID=a7d2c98; expires=Fri, 05-Apr-2013 05:00:45 GMT; path=/; domain=.bob.com"
end
it "should support alternative api" do
callbacks = double('callbacks')
callbacks.stub(:on_message_begin){ @started = true }
callbacks.stub(:on_headers_complete){ |e| @headers = e }
callbacks.stub(:on_body){ |chunk| @body << chunk }
callbacks.stub(:on_message_complete){ @done = true }
@parser = HTTP::Parser.new(callbacks)
@parser << "GET / HTTP/1.0\r\n\r\n"
@started.should be_true
@headers.should == {}
@body.should == ''
@done.should be_true
end
it "should ignore extra content beyond specified length" do
@parser <<
"GET / HTTP/1.0\r\n" +
"Content-Length: 5\r\n" +
"\r\n" +
"hello" +
" \n"
@body.should == 'hello'
@done.should be_true
end
it 'sets upgrade_data if available' do
@parser <<
"GET /demo HTTP/1.1\r\n" +
"Connection: Upgrade\r\n" +
"Upgrade: WebSocket\r\n\r\n" +
"third key data"
@parser.upgrade?.should be_true
@parser.upgrade_data.should == 'third key data'
end
it 'sets upgrade_data to blank if un-available' do
@parser <<
"GET /demo HTTP/1.1\r\n" +
"Connection: Upgrade\r\n" +
"Upgrade: WebSocket\r\n\r\n"
@parser.upgrade?.should be_true
@parser.upgrade_data.should == ''
end
it 'should stop parsing headers when instructed' do
request = "GET /websocket HTTP/1.1\r\n" +
"host: localhost\r\n" +
"connection: Upgrade\r\n" +
"upgrade: websocket\r\n" +
"sec-websocket-key: SD6/hpYbKjQ6Sown7pBbWQ==\r\n" +
"sec-websocket-version: 13\r\n" +
"\r\n"
@parser.on_headers_complete = proc { |e| :stop }
offset = (@parser << request)
@parser.upgrade?.should be_true
@parser.upgrade_data.should == ''
offset.should == request.length
end
it "should execute on_body on requests with no content-length" do
@parser.reset!.should be_true
@head, @complete, @body = 0, 0, 0
@parser.on_headers_complete = proc {|h| @head += 1 }
@parser.on_message_complete = proc { @complete += 1 }
@parser.on_body = proc {|b| @body += 1 }
head_response = "HTTP/1.1 200 OK\r\n\r\nstuff"
@parser << head_response
@parser << ''
@head.should == 1
@complete.should == 1
@body.should == 1
end
%w[ request response ].each do |type|
JSON.parse(File.read(File.expand_path("../support/#{type}s.json", __FILE__))).each do |test|
test['headers'] ||= {}
next if !defined?(JRUBY_VERSION) and HTTP::Parser.strict? != test['strict']
it "should parse #{type}: #{test['name']}" do
@parser << test['raw']
@parser.http_method.should == test['method']
@parser.keep_alive?.should == test['should_keep_alive']
if test.has_key?('upgrade') and test['upgrade'] != 0
@parser.upgrade?.should be_true
@parser.upgrade_data.should == test['upgrade']
end
fields = %w[
http_major
http_minor
]
if test['type'] == 'HTTP_REQUEST'
fields += %w[
request_url
]
else
fields += %w[
status_code
]
end
fields.each do |field|
@parser.send(field).should == test[field]
end
@headers.size.should == test['num_headers']
@headers.should == test['headers']
@body.should == test['body']
@body.size.should == test['body_size'] if test['body_size']
end
end
end
end