media/blink/cache_util_unittest.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "media/blink/cache_util.h"
   6
   7 #include <string>
   8
   9 #include "base/format_macros.h"
  10 #include "base/strings/string_number_conversions.h"
  11 #include "base/strings/string_split.h"
  12 #include "base/strings/string_util.h"
  13 #include "base/strings/stringprintf.h"
  14 #include "testing/gtest/include/gtest/gtest.h"
  15 #include "third_party/WebKit/public/platform/WebString.h"
  16 #include "third_party/WebKit/public/platform/WebURLResponse.h"
  17
  18 using blink::WebString;
  19 using blink::WebURLResponse;
  20
  21 namespace media {
  22
  23 // Inputs & expected output for GetReasonsForUncacheability.
  24 struct GRFUTestCase {
  25   WebURLResponse::HTTPVersion version;
  26   int status_code;
  27   const char* headers;
  28   uint32 expected_reasons;
  29 };
  30
  31 // Create a new WebURLResponse object.
  32 static WebURLResponse CreateResponse(const GRFUTestCase& test) {
  33   WebURLResponse response;
  34   response.initialize();
  35   response.setHTTPVersion(test.version);
  36   response.setHTTPStatusCode(test.status_code);
  37   for (const std::string& line :
  38        base::SplitString(test.headers, "\n", base::KEEP_WHITESPACE,
  39                          base::SPLIT_WANT_NONEMPTY)) {
  40     size_t colon = line.find(": ");
  41     response.addHTTPHeaderField(
  42         WebString::fromUTF8(line.substr(0, colon)),
  43         WebString::fromUTF8(line.substr(colon + 2)));
  44   }
  45   return response;
  46 }
  47
  48 TEST(CacheUtilTest, GetReasonsForUncacheability) {
  49   enum { kNoReasons = 0 };
  50
  51   const GRFUTestCase tests[] = {
  52     {
  53       WebURLResponse::HTTP_1_1, 206, "ETag: 'fooblort'", kNoReasons
  54     },
  55     {
  56       WebURLResponse::HTTP_1_1, 206, "", kNoStrongValidatorOnPartialResponse
  57     },
  58     {
  59       WebURLResponse::HTTP_1_0, 206, "",
  60       kPre11PartialResponse | kNoStrongValidatorOnPartialResponse
  61     },
  62     {
  63       WebURLResponse::HTTP_1_1, 200, "cache-control: max-Age=42", kShortMaxAge
  64     },
  65     {
  66       WebURLResponse::HTTP_1_1, 200, "cache-control: max-Age=4200", kNoReasons
  67     },
  68     {
  69       WebURLResponse::HTTP_1_1, 200,
  70       "Date: Tue, 22 May 2012 23:46:08 GMT\n"
  71       "Expires: Tue, 22 May 2012 23:56:08 GMT", kExpiresTooSoon
  72     },
  73     {
  74       WebURLResponse::HTTP_1_1, 200, "cache-control: must-revalidate",
  75       kHasMustRevalidate
  76     },
  77     {
  78       WebURLResponse::HTTP_1_1, 200, "cache-control: no-cache", kNoCache
  79     },
  80     {
  81       WebURLResponse::HTTP_1_1, 200, "cache-control: no-store", kNoStore
  82     },
  83     {
  84       WebURLResponse::HTTP_1_1, 200,
  85       "cache-control: no-cache\ncache-control: no-store", kNoCache | kNoStore
  86     },
  87   };
  88   for (size_t i = 0; i < arraysize(tests); ++i) {
  89     SCOPED_TRACE(base::StringPrintf("case: %" PRIuS
  90                                     ", version: %d, code: %d, headers: %s",
  91                                     i, tests[i].version, tests[i].status_code,
  92                                     tests[i].headers));
  93     EXPECT_EQ(GetReasonsForUncacheability(CreateResponse(tests[i])),
  94               tests[i].expected_reasons);
  95   }
  96 }
  97
  98 }  // namespace media