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
|
{-# LANGUAGE BangPatterns #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE ScopedTypeVariables #-}
module Snap.Internal.Http.Server.Parser.Tests (tests) where
------------------------------------------------------------------------------
import Control.Monad (liftM)
import Control.Parallel.Strategies (rdeepseq, using)
import qualified Data.ByteString.Char8 as S
import qualified Data.ByteString.Lazy.Char8 as L
import Data.List (sort)
import qualified Data.Map as Map
import Data.Monoid (mconcat)
import Text.Printf (printf)
------------------------------------------------------------------------------
import Data.ByteString.Builder (byteString, toLazyByteString)
import Test.Framework (Test)
import Test.Framework.Providers.HUnit (testCase)
import Test.Framework.Providers.QuickCheck2 (testProperty)
import Test.HUnit (assertEqual)
import Test.QuickCheck (Arbitrary (arbitrary))
import Test.QuickCheck.Monadic (forAllM, monadicIO)
import qualified Test.QuickCheck.Monadic as QC
------------------------------------------------------------------------------
import Snap.Internal.Debug (debug)
import Snap.Internal.Http.Server.Parser (HttpParseException (..), IRequest (IRequest, iMethod, iRequestHeaders, iStdHeaders), getStdHost, parseCookie, parseRequest, parseUrlEncoded, readChunkedTransferEncoding, writeChunkedTransferEncoding)
import Snap.Internal.Http.Types (Cookie (Cookie), Method (CONNECT, DELETE, GET, HEAD, Method, OPTIONS, PATCH, POST, PUT, TRACE))
import Snap.Test.Common (coverEqInstance, coverShowInstance, coverTypeableInstance, expectException)
import qualified Snap.Types.Headers as H
import qualified System.IO.Streams as Streams
------------------------------------------------------------------------------
tests :: [Test]
tests = [ testShow
, testCookie
, testChunked
, testNull
, testPartial
, testParseError
, testFormEncoded
, testTrivials
, testMethods
, testSimpleParse
, testSimpleParseErrors
, testWriteChunkedTransferEncoding
]
------------------------------------------------------------------------------
testShow :: Test
testShow = testCase "parser/show" $ do
let i = IRequest GET "/" (1, 1) H.empty undefined
let !b = show i `using` rdeepseq
return $ b `seq` ()
------------------------------------------------------------------------------
testNull :: Test
testNull = testCase "parser/shortParse" $
expectException (Streams.fromList [] >>= parseRequest)
------------------------------------------------------------------------------
testPartial :: Test
testPartial = testCase "parser/partial" $
expectException (Streams.fromList ["GET / "] >>= parseRequest)
------------------------------------------------------------------------------
testParseError :: Test
testParseError = testCase "parser/error" $ do
expectException (Streams.fromList ["ZZZZZZZZZ"] >>= parseRequest)
expectException (Streams.fromList ["GET / HTTP/1.1"] >>= parseRequest)
expectException (Streams.fromList ["GET / HTTP/x.z\r\n\r\n"] >>=
parseRequest)
------------------------------------------------------------------------------
-- | convert a bytestring to chunked transfer encoding
transferEncodingChunked :: L.ByteString -> L.ByteString
transferEncodingChunked = f . L.toChunks
where
toChunk s = L.concat [ len, "\r\n", L.fromChunks [s], "\r\n" ]
where
len = L.pack $ printf "%x" $ S.length s
f l = L.concat $ (map toChunk l ++ ["0\r\n\r\n"])
------------------------------------------------------------------------------
-- | ensure that running 'readChunkedTransferEncoding' against
-- 'transferEncodingChunked' returns the original string
testChunked :: Test
testChunked = testProperty "parser/chunkedTransferEncoding" $
monadicIO $ forAllM arbitrary prop_chunked
where
prop_chunked s = QC.run $ do
debug "=============================="
debug $ "input is " ++ show s
debug $ "chunked is " ++ show chunked
debug "------------------------------"
out <- Streams.fromList (L.toChunks chunked) >>=
readChunkedTransferEncoding >>=
Streams.toList >>=
return . L.fromChunks
assertEqual "chunked" s out
debug "==============================\n"
where
chunked = transferEncodingChunked s
------------------------------------------------------------------------------
testWriteChunkedTransferEncoding :: Test
testWriteChunkedTransferEncoding = testCase "parser/writeChunked" $ do
(os, getList) <- Streams.listOutputStream
os' <- writeChunkedTransferEncoding os
Streams.fromList [byteString "ok"] >>= Streams.connectTo os'
Streams.write Nothing os'
s <- liftM (toLazyByteString . mconcat) getList
assertEqual "chunked" "002\r\nok\r\n0\r\n\r\n" s
------------------------------------------------------------------------------
testCookie :: Test
testCookie =
testCase "parser/parseCookie" $ do
assertEqual "cookie parsing" (Just [cv]) cv2
where
cv = Cookie nm v Nothing Nothing Nothing False False
cv2 = parseCookie ct
nm = "foo"
v = "bar"
ct = S.concat [ nm , "=" , v ]
------------------------------------------------------------------------------
testFormEncoded :: Test
testFormEncoded = testCase "parser/formEncoded" $ do
let bs = "foo1=bar1&foo2=bar2+baz2;foo3=foo%20bar"
let mp = parseUrlEncoded bs
assertEqual "foo1" (Just ["bar1"] ) $ Map.lookup "foo1" mp
assertEqual "foo2" (Just ["bar2 baz2"]) $ Map.lookup "foo2" mp
assertEqual "foo3" (Just ["foo bar"] ) $ Map.lookup "foo3" mp
------------------------------------------------------------------------------
testTrivials :: Test
testTrivials = testCase "parser/trivials" $ do
coverTypeableInstance (undefined :: HttpParseException)
coverShowInstance (HttpParseException "ok")
coverEqInstance (IRequest GET "" (0, 0) H.empty undefined)
------------------------------------------------------------------------------
testMethods :: Test
testMethods = testCase "parser/methods" $ mapM_ testOne ms
where
ms = [ GET, POST, HEAD, PUT, DELETE, TRACE, OPTIONS, CONNECT, PATCH
, Method "ZZZ" ]
mToStr (Method m) = m
mToStr m = S.pack $ show m
restOfRequest = [ " / HTTP/1.1\r\nz:b\r\nq:\r\nw\r\n", "foo: ", "bar"
, "\r\n baz\r\n\r\n" ]
testOne m = let s = mToStr m
in Streams.fromList (s:restOfRequest) >>=
parseRequest >>=
checkMethod m
checkMethod m i = do
assertEqual "method" m $ iMethod i
let expected = sort [ ("z", "b")
, ("q", "")
, ("w", "")
, ("foo", "bar baz")
]
assertEqual "hdrs" expected $ sort $ H.toList $ iRequestHeaders i
------------------------------------------------------------------------------
testSimpleParse :: Test
testSimpleParse = testCase "parser/simpleParse" $ do
Streams.fromList ["GET / HTTP/1.1\r\n\r\n"] >>=
parseRequest >>=
assertEqual "simple0" (IRequest GET "/" (1, 1) H.empty undefined)
Streams.fromList ["GET http://foo.com/ HTTP/1.1\r\n\r\n"] >>=
parseRequest >>=
assertEqual "simple1" (IRequest GET "/" (1, 1) H.empty undefined)
z <- Streams.fromList ["GET http://foo.com HTTP/1.1\r\n\r\n"] >>=
parseRequest
assertEqual "simple2" z (IRequest GET "/" (1, 1) H.empty undefined)
assertEqual "simple2-host" (Just "foo.com") (getStdHost $ iStdHeaders z)
z2 <- Streams.fromList ["GET https://foo.com/ HTTP/1.1\r\n\r\n"] >>=
parseRequest
assertEqual "simpleHttps" (IRequest GET "/" (1, 1) H.empty undefined) z2
assertEqual "simpleHttps-2" (Just "foo.com") (getStdHost $ iStdHeaders z2)
Streams.fromList ["GET / HTTP/1.1\r\nz:b\r\n", "", "\r\n"] >>=
parseRequest >>=
assertEqual "simple4" (IRequest GET "/" (1, 1)
(H.fromList [("z", "b")]) undefined)
Streams.fromList [ "GET / HTTP/1.1\r\na:a\r", "\nz:b\r\n", ""
, "\r\n" ] >>=
parseRequest >>=
assertEqual "simple5" (IRequest GET "/" (1, 1)
(H.fromList [("a", "a"), ("z", "b")]) undefined)
Streams.fromList ["GET /\r\n\r\n"] >>=
parseRequest >>=
assertEqual "simple6" (IRequest GET "/" (1, 0) H.empty undefined)
Streams.fromList ["G", "ET", " /\r", "\n\r", "", "\n"] >>=
parseRequest >>=
assertEqual "simple7" (IRequest GET "/" (1, 0) H.empty undefined)
------------------------------------------------------------------------------
testSimpleParseErrors :: Test
testSimpleParseErrors = testCase "parser/simpleParseErrors" $ do
expectException (
Streams.fromList ["\r\nGET / HTTP/1.1\r\nz:b\r\n \r\n"] >>=
parseRequest)
expectException (
Streams.fromList ["\r\nGET / HTTP/1.1\r\nz:b\r "] >>=
parseRequest)
expectException (
Streams.fromList ["\r\nGET / HTTP/1.1\r"] >>=
parseRequest)
expectException (
Streams.fromList ["\r\nGET / HTTP/1.1\r", "", "foo\nz:b\r "] >>=
parseRequest)
|
