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
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
|
require "spec"
require "log/spec"
require "http/server/request_processor"
require "../../../support/io"
private def requestize(string)
string.gsub('\n', "\r\n")
end
describe HTTP::Server::RequestProcessor do
it "works" do
processor = HTTP::Server::RequestProcessor.new do |context|
context.response.content_type = "text/plain"
context.response.print "Hello world"
end
input = IO::Memory.new("GET / HTTP/1.1\r\n\r\n")
output = IO::Memory.new
processor.process(input, output)
output.rewind
output.gets_to_end.should eq(requestize(<<-HTTP
HTTP/1.1 200 OK
Connection: keep-alive
Content-Type: text/plain
Content-Length: 11
Hello world
HTTP
))
end
describe "reads consecutive requests" do
it "when body is consumed" do
processor = HTTP::Server::RequestProcessor.new do |context|
context.response.content_type = "text/plain"
context.response << context.request.body.not_nil!.gets(chomp: true)
context.response << "\r\n"
end
input = IO::Memory.new(requestize(<<-HTTP
POST / HTTP/1.1
Content-Length: 7
hello
POST / HTTP/1.1
Content-Length: 7
hello
HTTP
))
output = IO::Memory.new
processor.process(input, output)
output.rewind
output.gets_to_end.should eq(requestize(<<-HTTP
HTTP/1.1 200 OK
Connection: keep-alive
Content-Type: text/plain
Content-Length: 7
hello
HTTP/1.1 200 OK
Connection: keep-alive
Content-Type: text/plain
Content-Length: 7
hello
HTTP
))
end
it "with empty body" do
processor = HTTP::Server::RequestProcessor.new do |context|
context.response.content_type = "text/plain"
context.response.puts "Hello world\r"
end
input = IO::Memory.new(requestize(<<-HTTP
POST / HTTP/1.1
POST / HTTP/1.1
Content-Length: 7
hello
HTTP
))
output = IO::Memory.new
processor.process(input, output)
output.rewind
output.gets_to_end.should eq(requestize(<<-HTTP
HTTP/1.1 200 OK
Connection: keep-alive
Content-Type: text/plain
Content-Length: 13
Hello world
HTTP/1.1 200 OK
Connection: keep-alive
Content-Type: text/plain
Content-Length: 13
Hello world
HTTP
))
end
it "fail if body is not consumed" do
processor = HTTP::Server::RequestProcessor.new do |context|
context.response.content_type = "text/plain"
context.response.puts "Hello world\r"
end
input = IO::Memory.new(requestize(<<-HTTP
POST / HTTP/1.1
hello
POST / HTTP/1.1
Content-Length: 7
hello
HTTP
))
output = IO::Memory.new
processor.process(input, output)
output.rewind
output.gets_to_end.should eq(requestize(<<-HTTP
HTTP/1.1 200 OK
Connection: keep-alive
Content-Type: text/plain
Content-Length: 13
Hello world
HTTP/1.1 400 Bad Request
Content-Type: text/plain
Content-Length: 16
400 Bad Request\\n
HTTP
).gsub("\\n", "\n"))
end
it "closes connection when Connection: close" do
processor = HTTP::Server::RequestProcessor.new do |context|
context.response.headers["Connection"] = "close"
end
input = IO::Memory.new(requestize(<<-HTTP
POST / HTTP/1.1
Content-Length: 7
hello
POST / HTTP/1.1
Content-Length: 7
hello
HTTP
))
output = IO::Memory.new
processor.process(input, output)
output.rewind
output.gets_to_end.should eq(requestize(<<-HTTP
HTTP/1.1 200 OK
Connection: close
Content-Length: 0
HTTP
))
end
it "closes connection when request body is not entirely consumed" do
processor = HTTP::Server::RequestProcessor.new do |context|
end
input = IO::Memory.new(requestize(<<-HTTP
POST / HTTP/1.1
Content-Length: 4
1
POST / HTTP/1.1
Content-Length: 7
hello
HTTP
))
output = IO::Memory.new
processor.process(input, output)
output.rewind
output.gets_to_end.should eq(requestize(<<-HTTP
HTTP/1.1 200 OK
Connection: keep-alive
Content-Length: 0
HTTP
))
end
it "continues when request body is entirely consumed" do
processor = HTTP::Server::RequestProcessor.new do |context|
io = context.request.body.not_nil!
io.gets_to_end
end
input = IO::Memory.new(requestize(<<-HTTP
POST / HTTP/1.1
Content-Length: 16387
#{"0" * 16_384}1
POST / HTTP/1.1
Content-Length: 7
hello
HTTP
))
output = IO::Memory.new
processor.process(input, output)
output.rewind
output.gets_to_end.should eq(requestize(<<-HTTP
HTTP/1.1 200 OK
Connection: keep-alive
Content-Length: 0
HTTP/1.1 200 OK
Connection: keep-alive
Content-Length: 0
HTTP
))
end
end
it "handles IO::Error while reading" do
processor = HTTP::Server::RequestProcessor.new { }
input = RaiseIOError.new
output = IO::Memory.new
processor.process(input, output)
output.rewind.gets_to_end.should be_empty
end
it "handles IO::Error while writing" do
processor = HTTP::Server::RequestProcessor.new do |context|
context.response.content_type = "text/plain"
context.response.print "Hello world"
context.response.flush
end
input = IO::Memory.new("GET / HTTP/1.1\r\n\r\n")
output = RaiseIOError.new(true)
logs = Log.capture("http.server") do
processor.process(input, output)
end
logs.check(:debug, "Error while writing data to the client")
logs.entry.exception.should be_a(IO::Error)
end
it "handles IO::Error while flushing" do
processor = HTTP::Server::RequestProcessor.new do |context|
context.response.flush
end
input = IO::Memory.new("GET / HTTP/1.1\r\n\r\n")
output = RaiseIOError.new(false)
logs = Log.capture("http.server") do
processor.process(input, output)
end
logs.check(:debug, "Error while flushing data to the client")
logs.entry.exception.should be_a(IO::Error)
end
it "catches raised error on handler and retains context from handler" do
exception = Exception.new "OH NO"
processor = HTTP::Server::RequestProcessor.new { Log.context.set foo: "bar"; raise exception }
input = IO::Memory.new("GET / HTTP/1.1\r\n\r\n")
output = IO::Memory.new
logs = Log.capture("http.server") do
processor.process(input, output)
end
client_response = HTTP::Client::Response.from_io(output.rewind)
client_response.status_code.should eq(500)
client_response.status_message.should eq("Internal Server Error")
client_response.headers["content-type"].should eq("text/plain")
client_response.headers.has_key?("content-length").should be_true
client_response.body.should eq("500 Internal Server Error\n")
logs.check(:error, "Unhandled exception on HTTP::Handler")
logs.entry.exception.should eq(exception)
logs.entry.context[:foo].should eq "bar"
end
it "doesn't respond with error when headers were already sent" do
processor = HTTP::Server::RequestProcessor.new do |context|
context.response.content_type = "text/plain"
context.response.print "Hello world"
context.response.flush
raise "OH NO"
end
input = IO::Memory.new("GET / HTTP/1.1\r\n\r\n")
output = IO::Memory.new
processor.process(input, output)
client_response = HTTP::Client::Response.from_io(output.rewind)
client_response.status_code.should eq(200)
client_response.body.should eq("Hello world")
end
it "flushes output buffer when an error happens and some content was already sent" do
processor = HTTP::Server::RequestProcessor.new do |context|
context.response.content_type = "text/plain"
context.response.print "Hello "
context.response.flush
context.response.print "world"
raise "OH NO"
end
input = IO::Memory.new("GET / HTTP/1.1\r\n\r\n")
output = IO::Memory.new
processor.process(input, output)
client_response = HTTP::Client::Response.from_io(output.rewind)
client_response.status_code.should eq(200)
client_response.body.should eq("Hello world")
end
it "does not bleed Log::Context between requests" do
processor = HTTP::Server::RequestProcessor.new do |context|
Log.info { "before" }
Log.context.set foo: "bar"
Log.info { "after" }
context.response.content_type = "text/plain"
context.response.print "Hello world"
end
logs = Log.capture do
processor.process(
IO::Memory.new("GET / HTTP/1.1\r\n\r\nGET / HTTP/1.1\r\n\r\n"),
IO::Memory.new,
)
end
logs.check :info, "before"
logs.entry.context.should be_empty
logs.check :info, "after"
logs.entry.context[:foo].should eq "bar"
logs.check :info, "before"
logs.entry.context.should be_empty
logs.check :info, "after"
logs.entry.context[:foo].should eq "bar"
end
end
|
