1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
# frozen_string_literal: true
# Released under the MIT License.
# Copyright, 2019-2024, by Samuel Williams.
require "protocol/http2/connection_context"
describe Protocol::HTTP2::Client do
include_context Protocol::HTTP2::ConnectionContext
let(:framer) {client.framer}
let(:client_settings) do
[[Protocol::HTTP2::Settings::HEADER_TABLE_SIZE, 1024]]
end
let(:server_settings) do
[[Protocol::HTTP2::Settings::HEADER_TABLE_SIZE, 2048]]
end
it "has an id of 0" do
expect(server.id).to be == 0
expect(server[0]).to be == server
end
it "can lookup stream by id" do
stream = server.create_stream
expect(server[stream.id]).to be == stream
end
it "can optionally support push promises" do
expect(server).to be(:enable_push?)
end
it "cannot accept push promises" do
expect do
server.accept_push_promise_stream(1)
end.to raise_exception(Protocol::HTTP2::ProtocolError, message: be =~ /Cannot accept push promises/)
end
it "should start in new state" do
expect(server.state).to be == :new
end
it "fails with protocol error if first frame is not settings frame" do
framer.write_connection_preface
data_frame = Protocol::HTTP2::DataFrame.new
data_frame.pack("Hello, World!")
framer.write_frame(data_frame)
expect do
server.read_connection_preface
end.to raise_exception(Protocol::HTTP2::ProtocolError, message: be =~ /First frame must be #{Protocol::HTTP2::SettingsFrame}/)
end
it "cannot read connection preface in open state" do
server.open!
expect do
server.read_connection_preface
end.to raise_exception(Protocol::HTTP2::ProtocolError, message: be =~ /Cannot read connection preface in state open/)
end
it "should receive connection preface followed by settings frame" do
# The client must write the connection preface followed immediately by the first settings frame:
framer.write_connection_preface
settings_frame = Protocol::HTTP2::SettingsFrame.new
settings_frame.pack(client_settings)
framer.write_frame(settings_frame)
expect(server.state).to be == :new
# The server should read the preface and settings...
server.read_connection_preface(server_settings)
expect(server.remote_settings.header_table_size).to be == 1024
# The server immediately sends its own settings frame...
frame = framer.read_frame
expect(frame).to be_a Protocol::HTTP2::SettingsFrame
expect(frame.unpack).to be == server_settings
# And then it acknowledges the client settings:
frame = framer.read_frame
expect(frame).to be_a Protocol::HTTP2::SettingsFrame
expect(frame).to be(:acknowledgement?)
# We reply with acknolwedgement:
framer.write_frame(frame.acknowledge)
server.read_frame
expect(server.state).to be == :open
end
it "can generate a stream id" do
id = server.next_stream_id
expect(id).to be == 2
expect(server).to be(:local_stream_id?, id)
expect(server).not.to be(:remote_stream_id?, id)
end
end
|
