author | Sylvain Thénault <sylvain.thenault@logilab.fr> |
Thu, 03 May 2012 15:50:23 +0200 | |
changeset 8386 | 249b21722e5e |
parent 8316 | d5b1b75805dd |
child 8695 | 358d8bed9626 |
permissions | -rw-r--r-- |
8316
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from logilab.common.testlib import TestCase, unittest_main, tag, Tags |
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from cubicweb.web import StatusResponse |
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from cubicweb.devtools.fake import FakeRequest |
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def _test_cache(hin, hout, method='GET'): |
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"""forge and process a request |
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return status code and the request object |
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status is None is no cache is involved |
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""" |
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# forge request |
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req = FakeRequest(method=method) |
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for key, value in hin: |
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req._headers_in.addRawHeader(key, str(value)) |
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for key, value in hout: |
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req.headers_out.addRawHeader(key, str(value)) |
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# process |
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status = None |
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try: |
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req.validate_cache() |
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except StatusResponse, ex: |
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status = ex.status |
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return status, req |
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class HTTPCache(TestCase): |
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"""Check that the http cache logiac work as expected |
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(as far as we understood the RFC) |
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""" |
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tags = TestCase.tags | Tags('http', 'cache') |
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def assertCache(self, expected, status, situation=''): |
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"""simple assert for nicer message""" |
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if expected != status: |
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if expected is None: |
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expected = "MODIFIED" |
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if status is None: |
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status = "MODIFIED" |
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msg = 'expected %r got %r' % (expected, status) |
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if situation: |
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msg = "%s - when: %s" % (msg, situation) |
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self.fail(msg) |
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def test_IN_none_OUT_none(self): |
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#: test that no caching is requested when not data is available |
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#: on any side |
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status, req =_test_cache((),()) |
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self.assertIsNone(status) |
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def test_IN_Some_OUT_none(self): |
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#: test that no caching is requested when no data is available |
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#: server (origin) side |
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hin = [('if-modified-since','Sat, 14 Apr 2012 14:39:32 GM'), |
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] |
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status, req = _test_cache(hin, ()) |
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self.assertIsNone(status) |
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hin = [('if-none-match','babar/huitre'), |
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] |
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status, req = _test_cache(hin, ()) |
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self.assertIsNone(status) |
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hin = [('if-modified-since','Sat, 14 Apr 2012 14:39:32 GM'), |
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('if-none-match','babar/huitre'), |
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] |
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status, req = _test_cache(hin, ()) |
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self.assertIsNone(status) |
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def test_IN_none_OUT_Some(self): |
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#: test that no caching is requested when no data is provided |
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#: by the client |
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hout = [('last-modified','Sat, 14 Apr 2012 14:39:32 GM'), |
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] |
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status, req = _test_cache((), hout) |
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self.assertIsNone(status) |
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hout = [('etag','babar/huitre'), |
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] |
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status, req = _test_cache((), hout) |
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self.assertIsNone(status) |
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hout = [('last-modified', 'Sat, 14 Apr 2012 14:39:32 GM'), |
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('etag','babar/huitre'), |
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] |
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status, req = _test_cache((), hout) |
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self.assertIsNone(status) |
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@tag('last_modified') |
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def test_last_modified_newer(self): |
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#: test the proper behavior of modification date only |
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# newer |
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hin = [('if-modified-since', 'Sat, 13 Apr 2012 14:39:32 GM'), |
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] |
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hout = [('last-modified', 'Sat, 14 Apr 2012 14:39:32 GM'), |
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] |
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status, req = _test_cache(hin, hout) |
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self.assertCache(None, status, 'origin is newer than client') |
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|
99 |
@tag('last_modified') |
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100 |
def test_last_modified_older(self): |
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101 |
# older |
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102 |
hin = [('if-modified-since', 'Sat, 15 Apr 2012 14:39:32 GM'), |
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103 |
] |
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|
104 |
hout = [('last-modified', 'Sat, 14 Apr 2012 14:39:32 GM'), |
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105 |
] |
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106 |
status, req = _test_cache(hin, hout) |
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107 |
self.assertCache(304, status, 'origin is older than client') |
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|
108 |
|
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109 |
@tag('last_modified') |
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|
110 |
def test_last_modified_same(self): |
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111 |
# same |
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112 |
hin = [('if-modified-since', 'Sat, 14 Apr 2012 14:39:32 GM'), |
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113 |
] |
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114 |
hout = [('last-modified', 'Sat, 14 Apr 2012 14:39:32 GM'), |
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115 |
] |
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116 |
status, req = _test_cache(hin, hout) |
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117 |
self.assertCache(304, status, 'origin is equal to client') |
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118 |
|
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119 |
@tag('etag') |
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120 |
def test_etag_mismatch(self): |
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121 |
#: test the proper behavior of etag only |
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122 |
# etag mismatch |
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123 |
hin = [('if-none-match', 'babar'), |
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124 |
] |
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125 |
hout = [('etag', 'celestine'), |
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126 |
] |
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127 |
status, req = _test_cache(hin, hout) |
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128 |
self.assertCache(None, status, 'etag mismatch') |
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129 |
|
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130 |
@tag('etag') |
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131 |
def test_etag_match(self): |
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132 |
# etag match |
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133 |
hin = [('if-none-match', 'babar'), |
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134 |
] |
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135 |
hout = [('etag', 'babar'), |
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136 |
] |
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137 |
status, req = _test_cache(hin, hout) |
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138 |
self.assertCache(304, status, 'etag match') |
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139 |
# etag match in multiple |
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140 |
hin = [('if-none-match', 'loutre'), |
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141 |
('if-none-match', 'babar'), |
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142 |
] |
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143 |
hout = [('etag', 'babar'), |
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144 |
] |
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145 |
status, req = _test_cache(hin, hout) |
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146 |
self.assertCache(304, status, 'etag match in multiple') |
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147 |
# client use "*" as etag |
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148 |
hin = [('if-none-match', '*'), |
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149 |
] |
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150 |
hout = [('etag', 'babar'), |
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151 |
] |
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152 |
status, req = _test_cache(hin, hout) |
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153 |
self.assertCache(304, status, 'client use "*" as etag') |
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|
154 |
|
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155 |
@tag('etag', 'last_modified') |
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156 |
def test_both(self): |
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157 |
#: test the proper behavior of etag only |
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158 |
# both wrong |
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159 |
hin = [('if-none-match', 'babar'), |
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160 |
('if-modified-since', 'Sat, 14 Apr 2012 14:39:32 GM'), |
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|
161 |
] |
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162 |
hout = [('etag', 'loutre'), |
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163 |
('last-modified', 'Sat, 15 Apr 2012 14:39:32 GM'), |
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|
164 |
] |
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165 |
status, req = _test_cache(hin, hout) |
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166 |
self.assertCache(None, status, 'both wrong') |
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167 |
|
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168 |
@tag('etag', 'last_modified') |
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169 |
def test_both_etag_mismatch(self): |
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170 |
# both etag mismatch |
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171 |
hin = [('if-none-match', 'babar'), |
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172 |
('if-modified-since', 'Sat, 14 Apr 2012 14:39:32 GM'), |
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|
173 |
] |
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|
174 |
hout = [('etag', 'loutre'), |
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|
175 |
('last-modified', 'Sat, 13 Apr 2012 14:39:32 GM'), |
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|
176 |
] |
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177 |
status, req = _test_cache(hin, hout) |
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178 |
self.assertCache(None, status, 'both but etag mismatch') |
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179 |
|
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180 |
@tag('etag', 'last_modified') |
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181 |
def test_both_but_modified(self): |
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182 |
# both but modified |
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183 |
hin = [('if-none-match', 'babar'), |
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184 |
('if-modified-since', 'Sat, 14 Apr 2012 14:39:32 GM'), |
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185 |
] |
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186 |
hout = [('etag', 'babar'), |
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187 |
('last-modified', 'Sat, 15 Apr 2012 14:39:32 GM'), |
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188 |
] |
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189 |
status, req = _test_cache(hin, hout) |
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190 |
self.assertCache(None, status, 'both but modified') |
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191 |
|
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192 |
@tag('etag', 'last_modified') |
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193 |
def test_both_ok(self): |
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194 |
# both ok |
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195 |
hin = [('if-none-match', 'babar'), |
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196 |
('if-modified-since', 'Sat, 14 Apr 2012 14:39:32 GM'), |
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197 |
] |
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198 |
hout = [('etag', 'babar'), |
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199 |
('last-modified', 'Sat, 13 Apr 2012 14:39:32 GM'), |
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200 |
] |
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201 |
status, req = _test_cache(hin, hout) |
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202 |
self.assertCache(304, status, 'both ok') |
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203 |
|
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204 |
@tag('etag', 'HEAD') |
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205 |
def test_head_verb(self): |
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#: check than FOUND 200 is properly raise without content on HEAD request |
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207 |
#: This logic does not really belong here :-/ |
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208 |
# modified |
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209 |
hin = [('if-none-match', 'babar'), |
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210 |
] |
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hout = [('etag', 'rhino/really-not-babar'), |
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212 |
] |
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213 |
status, req = _test_cache(hin, hout, method='HEAD') |
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214 |
self.assertCache(200, status, 'modifier HEAD verb') |
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215 |
# not modified |
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hin = [('if-none-match', 'babar'), |
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217 |
] |
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hout = [('etag', 'babar'), |
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] |
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status, req = _test_cache(hin, hout, method='HEAD') |
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221 |
self.assertCache(304, status, 'not modifier HEAD verb') |
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222 |
|
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223 |
@tag('etag', 'POST') |
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224 |
def test_post_verb(self): |
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225 |
# modified |
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226 |
hin = [('if-none-match', 'babar'), |
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227 |
] |
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hout = [('etag', 'rhino/really-not-babar'), |
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229 |
] |
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status, req = _test_cache(hin, hout, method='POST') |
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231 |
self.assertCache(None, status, 'modifier HEAD verb') |
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232 |
# not modified |
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233 |
hin = [('if-none-match', 'babar'), |
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234 |
] |
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235 |
hout = [('etag', 'babar'), |
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236 |
] |
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237 |
status, req = _test_cache(hin, hout, method='POST') |
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238 |
self.assertCache(412, status, 'not modifier HEAD verb') |
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239 |
|
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240 |
@tag('expires') |
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241 |
def test_expires_added(self): |
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242 |
#: Check that Expires header is added: |
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243 |
#: - when the page is modified |
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244 |
#: - when none was already present |
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245 |
hin = [('if-none-match', 'babar'), |
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246 |
] |
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hout = [('etag', 'rhino/really-not-babar'), |
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248 |
] |
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249 |
status, req = _test_cache(hin, hout) |
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250 |
self.assertCache(None, status, 'modifier HEAD verb') |
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251 |
value = req.headers_out.getHeader('expires') |
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252 |
self.assertIsNotNone(value) |
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253 |
|
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254 |
@tag('expires') |
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255 |
def test_expires_not_added(self): |
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256 |
#: Check that Expires header is not added if NOT-MODIFIED |
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257 |
hin = [('if-none-match', 'babar'), |
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258 |
] |
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259 |
hout = [('etag', 'babar'), |
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260 |
] |
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261 |
status, req = _test_cache(hin, hout) |
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262 |
self.assertCache(304, status, 'not modifier HEAD verb') |
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263 |
value = req.headers_out.getHeader('expires') |
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264 |
self.assertIsNone(value) |
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265 |
|
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266 |
@tag('expires') |
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267 |
def test_expires_no_overwrite(self): |
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268 |
#: Check that cache does not overwrite existing Expires header |
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269 |
hin = [('if-none-match', 'babar'), |
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270 |
] |
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271 |
DATE = 'Sat, 13 Apr 2012 14:39:32 GM' |
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hout = [('etag', 'rhino/really-not-babar'), |
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273 |
('expires', DATE), |
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274 |
] |
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status, req = _test_cache(hin, hout) |
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276 |
self.assertCache(None, status, 'not modifier HEAD verb') |
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277 |
value = req.headers_out.getRawHeaders('expires') |
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278 |
self.assertEqual(value, [DATE]) |
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279 |
|
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280 |
|
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281 |
if __name__ == '__main__': |
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282 |
unittest_main() |