content/renderer/media/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 "content/renderer/media/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_util.h"
  12 #include "base/strings/stringprintf.h"
  13 #include "testing/gtest/include/gtest/gtest.h"
  14 #include "third_party/WebKit/public/platform/WebString.h"
  15 #include "third_party/WebKit/public/platform/WebURLResponse.h"
  16
  17 using blink::WebString;
  18 using blink::WebURLResponse;
  19
  20 namespace content {
  21
  22 // Inputs & expected output for GetReasonsForUncacheability.
  23 struct GRFUTestCase {
  24   WebURLResponse::HTTPVersion version;
  25   int status_code;
  26   const char* headers;
  27   uint32 expected_reasons;
  28 };
  29
  30 // Create a new WebURLResponse object.
  31 static WebURLResponse CreateResponse(const GRFUTestCase& test) {
  32   WebURLResponse response;
  33   response.initialize();
  34   response.setHTTPVersion(test.version);
  35   response.setHTTPStatusCode(test.status_code);
  36   std::vector<std::string> lines;
  37   Tokenize(test.headers, "\n", &lines);
  38   for (size_t i = 0; i < lines.size(); ++i) {
  39     size_t colon = lines[i].find(": ");
  40     response.addHTTPHeaderField(
  41         WebString::fromUTF8(lines[i].substr(0, colon)),
  42         WebString::fromUTF8(lines[i].substr(colon + 2)));
  43   }
  44   return response;
  45 }
  46
  47 TEST(CacheUtilTest, GetReasonsForUncacheability) {
  48   enum { kNoReasons = 0 };
  49
  50   const GRFUTestCase tests[] = {
  51     {
  52       WebURLResponse::HTTP_1_1, 206, "ETag: 'fooblort'", kNoReasons
  53     },
  54     {
  55       WebURLResponse::HTTP_1_1, 206, "", kNoStrongValidatorOnPartialResponse
  56     },
  57     {
  58       WebURLResponse::HTTP_1_0, 206, "",
  59       kPre11PartialResponse | kNoStrongValidatorOnPartialResponse
  60     },
  61     {
  62       WebURLResponse::HTTP_1_1, 200, "cache-control: max-Age=42", kShortMaxAge
  63     },
  64     {
  65       WebURLResponse::HTTP_1_1, 200, "cache-control: max-Age=4200", kNoReasons
  66     },
  67     {
  68       WebURLResponse::HTTP_1_1, 200,
  69       "Date: Tue, 22 May 2012 23:46:08 GMT\n"
  70       "Expires: Tue, 22 May 2012 23:56:08 GMT", kExpiresTooSoon
  71     },
  72     {
  73       WebURLResponse::HTTP_1_1, 200, "cache-control: must-revalidate",
  74       kHasMustRevalidate
  75     },
  76     {
  77       WebURLResponse::HTTP_1_1, 200, "cache-control: no-cache", kNoCache
  78     },
  79     {
  80       WebURLResponse::HTTP_1_1, 200, "cache-control: no-store", kNoStore
  81     },
  82     {
  83       WebURLResponse::HTTP_1_1, 200,
  84       "cache-control: no-cache\ncache-control: no-store", kNoCache | kNoStore
  85     },
  86   };
  87   for (size_t i = 0; i < arraysize(tests); ++i) {
  88     SCOPED_TRACE(base::StringPrintf("case: %" PRIuS
  89                                     ", version: %d, code: %d, headers: %s",
  90                                     i, tests[i].version, tests[i].status_code,
  91                                     tests[i].headers));
  92     EXPECT_EQ(GetReasonsForUncacheability(CreateResponse(tests[i])),
  93               tests[i].expected_reasons);
  94   }
  95 }
  96
  97 }  // namespace content