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      1 // Copyright 2014 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/test/ppapi/ppapi_test.h"
      6 
      7 #include "base/command_line.h"
      8 #include "base/files/file_path.h"
      9 #include "base/files/file_util.h"
     10 #include "base/path_service.h"
     11 #include "base/strings/string_util.h"
     12 #include "base/strings/stringprintf.h"
     13 #include "content/public/browser/web_contents.h"
     14 #include "content/public/common/content_switches.h"
     15 #include "content/shell/browser/shell.h"
     16 #include "net/base/filename_util.h"
     17 #include "ppapi/shared_impl/ppapi_switches.h"
     18 #include "ppapi/shared_impl/test_harness_utils.h"
     19 
     20 #if defined(OS_CHROMEOS)
     21 #include "chromeos/audio/cras_audio_handler.h"
     22 #endif
     23 
     24 namespace content {
     25 
     26 PPAPITestMessageHandler::PPAPITestMessageHandler() {
     27 }
     28 
     29 TestMessageHandler::MessageResponse PPAPITestMessageHandler::HandleMessage(
     30     const std::string& json) {
     31   std::string trimmed;
     32   base::TrimString(json, "\"", &trimmed);
     33   if (trimmed == "...")
     34     return CONTINUE;
     35   message_ = trimmed;
     36   return DONE;
     37 }
     38 
     39 void PPAPITestMessageHandler::Reset() {
     40   TestMessageHandler::Reset();
     41   message_.clear();
     42 }
     43 
     44 PPAPITestBase::PPAPITestBase() { }
     45 
     46 void PPAPITestBase::SetUpCommandLine(base::CommandLine* command_line) {
     47   // The test sends us the result via a cookie.
     48   command_line->AppendSwitch(switches::kEnableFileCookies);
     49 
     50   // Some stuff is hung off of the testing interface which is not enabled
     51   // by default.
     52   command_line->AppendSwitch(switches::kEnablePepperTesting);
     53 
     54   // Smooth scrolling confuses the scrollbar test.
     55   command_line->AppendSwitch(switches::kDisableSmoothScrolling);
     56 
     57   // Allow manual garbage collection.
     58   command_line->AppendSwitchASCII(switches::kJavaScriptFlags, "--expose_gc");
     59 }
     60 
     61 GURL PPAPITestBase::GetTestFileUrl(const std::string& test_case) {
     62   base::FilePath test_path;
     63   EXPECT_TRUE(PathService::Get(base::DIR_SOURCE_ROOT, &test_path));
     64   test_path = test_path.Append(FILE_PATH_LITERAL("ppapi"));
     65   test_path = test_path.Append(FILE_PATH_LITERAL("tests"));
     66   test_path = test_path.Append(FILE_PATH_LITERAL("test_case.html"));
     67 
     68   // Sanity check the file name.
     69   EXPECT_TRUE(base::PathExists(test_path));
     70   GURL test_url = net::FilePathToFileURL(test_path);
     71 
     72   GURL::Replacements replacements;
     73   std::string query = BuildQuery(std::string(), test_case);
     74   replacements.SetQuery(query.c_str(), url::Component(0, query.size()));
     75   return test_url.ReplaceComponents(replacements);
     76 }
     77 
     78 void PPAPITestBase::RunTest(const std::string& test_case) {
     79   GURL url = GetTestFileUrl(test_case);
     80   RunTestURL(url);
     81 }
     82 
     83 void PPAPITestBase::RunTestAndReload(const std::string& test_case) {
     84   GURL url = GetTestFileUrl(test_case);
     85   RunTestURL(url);
     86   // If that passed, we simply run the test again, which navigates again.
     87   RunTestURL(url);
     88 }
     89 
     90 void PPAPITestBase::RunTestURL(const GURL& test_url) {
     91   // See comment above TestingInstance in ppapi/test/testing_instance.h.
     92   // Basically it sends messages using the DOM automation controller. The
     93   // value of "..." means it's still working and we should continue to wait,
     94   // any other value indicates completion (in this case it will start with
     95   // "PASS" or "FAIL"). This keeps us from timing out on waits for long tests.
     96   PPAPITestMessageHandler handler;
     97   JavascriptTestObserver observer(shell()->web_contents(), &handler);
     98   shell()->LoadURL(test_url);
     99 
    100   ASSERT_TRUE(observer.Run()) << handler.error_message();
    101   EXPECT_STREQ("PASS", handler.message().c_str());
    102 }
    103 
    104 PPAPITest::PPAPITest() : in_process_(true) {
    105 }
    106 
    107 void PPAPITest::SetUpCommandLine(base::CommandLine* command_line) {
    108   PPAPITestBase::SetUpCommandLine(command_line);
    109 
    110   // Append the switch to register the pepper plugin.
    111   // library name = <out dir>/<test_name>.<library_extension>
    112   // MIME type = application/x-ppapi-<test_name>
    113   base::FilePath plugin_dir;
    114   EXPECT_TRUE(PathService::Get(base::DIR_MODULE, &plugin_dir));
    115 
    116   base::FilePath plugin_lib = plugin_dir.Append(ppapi::GetTestLibraryName());
    117   EXPECT_TRUE(base::PathExists(plugin_lib));
    118   base::FilePath::StringType pepper_plugin = plugin_lib.value();
    119   pepper_plugin.append(FILE_PATH_LITERAL(";application/x-ppapi-tests"));
    120   command_line->AppendSwitchNative(switches::kRegisterPepperPlugins,
    121                                    pepper_plugin);
    122 
    123   if (in_process_)
    124     command_line->AppendSwitch(switches::kPpapiInProcess);
    125 }
    126 
    127 std::string PPAPITest::BuildQuery(const std::string& base,
    128                                   const std::string& test_case){
    129   return base::StringPrintf("%stestcase=%s", base.c_str(), test_case.c_str());
    130 }
    131 
    132 OutOfProcessPPAPITest::OutOfProcessPPAPITest() {
    133   in_process_ = false;
    134 }
    135 
    136 void OutOfProcessPPAPITest::SetUp() {
    137 #if defined(OS_CHROMEOS)
    138     chromeos::CrasAudioHandler::InitializeForTesting();
    139 #endif
    140   ContentBrowserTest::SetUp();
    141 }
    142 
    143 void OutOfProcessPPAPITest::TearDown() {
    144   ContentBrowserTest::TearDown();
    145 #if defined(OS_CHROMEOS)
    146     chromeos::CrasAudioHandler::Shutdown();
    147 #endif
    148 }
    149 
    150 }  // namespace content
    151