aboutsummaryrefslogtreecommitdiffstats
path: root/test/plum/stream/test_handle_frame.rb
blob: 654656dc5b0712cc1a34dfc80abc72a9d7890754 (plain)
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
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
require "test_helper"

using Plum::BinaryString

class StreamHandleFrameTest < Minitest::Test
  ## DATA
  def test_stream_handle_data
    payload = "ABC" * 5
    open_new_stream(:open) {|stream|
      data = nil
      stream.on(:data) {|_data| data = _data }
      stream.process_frame(Frame.new(type: :data, stream_id: stream.id,
                                     flags: [], payload: payload))
      assert_equal(payload, data)
    }
  end

  def test_stream_handle_data_padded
    payload = "ABC" * 5
    open_new_stream(:open) {|stream|
      data = nil
      stream.on(:data) {|_data| data = _data }
      stream.process_frame(Frame.new(type: :data, stream_id: stream.id,
                                     flags: [:padded], payload: "".push_uint8(6).push(payload).push("\x00"*6)))
      assert_equal(payload, data)
    }
  end

  def test_stream_handle_data_too_long_padding
    payload = "ABC" * 5
    open_new_stream(:open) {|stream|
      assert_connection_error(:protocol_error) {
        stream.process_frame(Frame.new(type: :data, stream_id: stream.id,
                                       flags: [:padded], payload: "".push_uint8(100).push(payload).push("\x00"*6)))
      }
    }
  end

  def test_stream_handle_data_end_stream
    payload = "ABC" * 5
    open_new_stream(:open) {|stream|
      stream.process_frame(Frame.new(type: :data, stream_id: stream.id,
                                     flags: [:end_stream], payload: payload))
      assert_equal(:half_closed_remote, stream.state)
    }
  end

  def test_stream_handle_data_invalid_state
    payload = "ABC" * 5
    open_new_stream(:half_closed_remote) {|stream|
      stream.process_frame(Frame.new(type: :data, stream_id: stream.id,
                                     flags: [:end_stream], payload: payload))
      last = sent_frames.last
      assert_equal(:rst_stream, last.type)
      assert_equal(StreamError.new(:stream_closed).http2_error_code, last.payload.uint32)
    }
  end

  ## HEADERS
  def test_stream_handle_headers_single
    open_new_stream {|stream|
      headers = nil
      stream.on(:headers) {|_headers|
        headers = _headers
      }
      stream.process_frame(Frame.new(type: :headers,
                                     stream_id: stream.id,
                                     flags: [:end_headers],
                                     payload: HPACK::Encoder.new(0).encode([[":path", "/"]])))
      assert_equal(:open, stream.state)
      assert_equal([[":path", "/"]], headers)
    }
  end

  def test_stream_handle_headers_continuation
    open_new_stream {|stream|
      payload = HPACK::Encoder.new(0).encode([[":path", "/"]])
      headers = nil
      stream.on(:headers) {|_headers|
        headers = _headers
      }
      stream.process_frame(Frame.new(type: :headers,
                                     stream_id: stream.id,
                                     flags: [:end_stream],
                                     payload: payload[0..4]))
      assert_equal(nil, headers) # wait CONTINUATION
      stream.process_frame(Frame.new(type: :continuation,
                                     stream_id: stream.id,
                                     flags: [:end_headers],
                                     payload: payload[5..-1]))
      assert_equal(:half_closed_remote, stream.state)
      assert_equal([[":path", "/"]], headers)
    }
  end

  def test_stream_handle_headers_padded
    open_new_stream {|stream|
      payload = HPACK::Encoder.new(0).encode([[":path", "/"]])
      headers = nil
      stream.on(:headers) {|_headers|
        headers = _headers
      }
      stream.process_frame(Frame.new(type: :headers,
                                     stream_id: stream.id,
                                     flags: [:end_headers, :padded],
                                     payload: "".push_uint8(payload.bytesize).push(payload).push("\x00"*payload.bytesize)))
      assert_equal([[":path", "/"]], headers)
    }
  end

  def test_stream_handle_headers_too_long_padding
    open_new_stream {|stream|
      payload = HPACK::Encoder.new(0).encode([[":path", "/"]])
      assert_connection_error(:protocol_error) {
        stream.process_frame(Frame.new(type: :headers,
                                       stream_id: stream.id,
                                       flags: [:end_headers, :padded],
                                       payload: "".push_uint8(payload.bytesize+1).push(payload).push("\x00"*(payload.bytesize+1))))
      }
    }
  end

  def test_stream_handle_headers_broken
    open_new_stream {|stream|
      payload = "\x00\x01\x02"
      assert_connection_error(:compression_error) {
        stream.process_frame(Frame.new(type: :headers,
                                       stream_id: stream.id,
                                       flags: [:end_headers],
                                       payload: payload))
      }
    }
  end

  def test_stream_handle_headers_state
    _payload = HPACK::Encoder.new(0).encode([[":path", "/"]])
    open_new_stream(:reserved_local) {|stream|
      assert_connection_error(:protocol_error) {
        stream.process_frame(Frame.new(type: :headers, stream_id: stream.id, flags: [:end_headers, :end_stream], payload: _payload))
      }
    }
    open_new_stream(:closed) {|stream|
      assert_connection_error(:stream_closed) {
        stream.process_frame(Frame.new(type: :headers, stream_id: stream.id, flags: [:end_headers, :end_stream], payload: _payload))
      }
    }
    open_new_stream(:half_closed_remote) {|stream|
      stream.process_frame(Frame.new(type: :headers, stream_id: stream.id, flags: [:end_headers, :end_stream], payload: _payload))
      last = sent_frames.last
      assert_equal(:rst_stream, last.type)
      assert_equal(StreamError.new(:stream_closed).http2_error_code, last.payload.uint32)
    }
  end

  def test_stream_handle_headers_priority
    open_server_connection {|con|
      parent = open_new_stream(con)
      stream = open_new_stream(con)

      headers = nil
      stream.on(:headers) {|_headers| headers = _headers }
      header_block = HPACK::Encoder.new(0).encode([[":path", "/"]])
      payload = "".push_uint32((1 << 31) | parent.id)
                  .push_uint8(50)
                  .push(header_block)
      stream.process_frame(Frame.new(type: :headers,
                                     stream_id: stream.id,
                                     flags: [:end_headers, :priority],
                                     payload: payload))
      assert_equal(true, stream.exclusive)
      assert_equal(parent, stream.parent)
      assert_equal(50, stream.weight)
      assert_equal([[":path", "/"]], headers)
    }
  end

  ## PRIORITY
  def test_stream_handle_priority
    open_server_connection {|con|
      parent = open_new_stream(con)
      stream = open_new_stream(con)

      payload = "".push_uint32((1 << 31) | parent.id)
                  .push_uint8(50)
      stream.process_frame(Frame.new(type: :priority,
                                     stream_id: stream.id,
                                     payload: payload))
      assert_equal(true, stream.exclusive)
      assert_equal(parent, stream.parent)
      assert_equal(50, stream.weight)
    }
  end

  def test_stream_handle_priority_self_depend
    open_server_connection {|con|
      stream = open_new_stream(con)
      payload = "".push_uint32((1 << 31) | stream.id).push_uint8(6)
      stream.process_frame(Frame.new(type: :priority,
                                     stream_id: stream.id,
                                     payload: payload))
      last = sent_frames.last
      assert_equal(:rst_stream, last.type)
      assert_equal(ERROR_CODES[:protocol_error], last.payload.uint32)
    }
  end
end