chrome/test/nacl/nacl_browsertest_util.cc

   1 // Copyright (c) 2012 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 "chrome/test/nacl/nacl_browsertest_util.h"
   6
   7 #include <stdlib.h>
   8 #include "base/command_line.h"
   9 #include "base/json/json_reader.h"
  10 #include "base/path_service.h"
  11 #include "base/values.h"
  12 #include "chrome/browser/ui/browser.h"
  13 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  14 #include "chrome/common/chrome_paths.h"
  15 #include "chrome/common/chrome_switches.h"
  16 #include "chrome/test/base/ui_test_utils.h"
  17 #include "components/nacl/common/nacl_switches.h"
  18 #include "content/public/browser/plugin_service.h"
  19 #include "content/public/browser/web_contents.h"
  20 #include "content/public/common/webplugininfo.h"
  21 #include "net/base/net_util.h"
  22
  23 typedef content::TestMessageHandler::MessageResponse MessageResponse;
  24
  25 MessageResponse StructuredMessageHandler::HandleMessage(
  26     const std::string& json) {
  27   scoped_ptr<base::Value> value;
  28   base::JSONReader reader(base::JSON_ALLOW_TRAILING_COMMAS);
  29   // Automation messages are stringified before they are sent because the
  30   // automation channel cannot handle arbitrary objects.  This means we
  31   // need to decode the json twice to get the original message.
  32   value.reset(reader.ReadToValue(json));
  33   if (!value.get())
  34     return InternalError("Could parse automation JSON: " + json +
  35                          " because " + reader.GetErrorMessage());
  36
  37   std::string temp;
  38   if (!value->GetAsString(&temp))
  39     return InternalError("Message was not a string: " + json);
  40
  41   value.reset(reader.ReadToValue(temp));
  42   if (!value.get())
  43     return InternalError("Could not parse message JSON: " + temp +
  44                          " because " + reader.GetErrorMessage());
  45
  46   base::DictionaryValue* msg;
  47   if (!value->GetAsDictionary(&msg))
  48     return InternalError("Message was not an object: " + temp);
  49
  50   std::string type;
  51   if (!msg->GetString("type", &type))
  52     return MissingField("unknown", "type");
  53
  54   return HandleStructuredMessage(type, msg);
  55 }
  56
  57 MessageResponse StructuredMessageHandler::MissingField(
  58     const std::string& type,
  59     const std::string& field) {
  60   return InternalError(type + " message did not have field: " + field);
  61 }
  62
  63 MessageResponse StructuredMessageHandler::InternalError(
  64     const std::string& reason) {
  65   SetError(reason);
  66   return DONE;
  67 }
  68
  69 LoadTestMessageHandler::LoadTestMessageHandler()
  70     : test_passed_(false) {
  71 }
  72
  73 void LoadTestMessageHandler::Log(const std::string& type,
  74                                  const std::string& message) {
  75   // TODO(ncbray) better logging.
  76   LOG(INFO) << type << " " << message;
  77 }
  78
  79 MessageResponse LoadTestMessageHandler::HandleStructuredMessage(
  80    const std::string& type,
  81    base::DictionaryValue* msg) {
  82   if (type == "Log") {
  83     std::string message;
  84     if (!msg->GetString("message", &message))
  85       return MissingField(type, "message");
  86     Log("LOG", message);
  87     return CONTINUE;
  88   } else if (type == "Shutdown") {
  89     std::string message;
  90     if (!msg->GetString("message", &message))
  91       return MissingField(type, "message");
  92     if (!msg->GetBoolean("passed", &test_passed_))
  93       return MissingField(type, "passed");
  94     Log("SHUTDOWN", message);
  95     return DONE;
  96   } else {
  97     return InternalError("Unknown message type: " + type);
  98   }
  99 }
 100
 101 // A message handler for nacl_integration tests ported to be browser_tests.
 102 // nacl_integration tests report to their test jig using a series of RPC calls
 103 // that are encoded as URL requests. When these tests run as browser_tests,
 104 // they make the same RPC requests, but use the automation channel instead of
 105 // URL requests. This message handler decodes and responds to these requests.
 106 class NaClIntegrationMessageHandler : public StructuredMessageHandler {
 107  public:
 108   NaClIntegrationMessageHandler();
 109
 110   void Log(const std::string& message);
 111
 112   MessageResponse HandleStructuredMessage(const std::string& type,
 113                                           base::DictionaryValue* msg) override;
 114
 115   bool test_passed() const {
 116     return test_passed_;
 117   }
 118
 119  private:
 120   bool test_passed_;
 121
 122   DISALLOW_COPY_AND_ASSIGN(NaClIntegrationMessageHandler);
 123 };
 124
 125 NaClIntegrationMessageHandler::NaClIntegrationMessageHandler()
 126     : test_passed_(false) {
 127 }
 128
 129 void NaClIntegrationMessageHandler::Log(const std::string& message) {
 130   // TODO(ncbray) better logging.
 131   LOG(INFO) << "|||| " << message;
 132 }
 133
 134 MessageResponse NaClIntegrationMessageHandler::HandleStructuredMessage(
 135     const std::string& type,
 136     base::DictionaryValue* msg) {
 137   if (type == "TestLog") {
 138     std::string message;
 139     if (!msg->GetString("message", &message))
 140       return MissingField(type, "message");
 141     Log(message);
 142     return CONTINUE;
 143   } else if (type == "Shutdown") {
 144     std::string message;
 145     if (!msg->GetString("message", &message))
 146       return MissingField(type, "message");
 147     if (!msg->GetBoolean("passed", &test_passed_))
 148       return MissingField(type, "passed");
 149     Log(message);
 150     return DONE;
 151   } else if (type == "Ping") {
 152     return CONTINUE;
 153   } else if (type == "JavaScriptIsAlive") {
 154     return CONTINUE;
 155   } else {
 156     return InternalError("Unknown message type: " + type);
 157   }
 158 }
 159
 160 // NaCl browser tests serve files out of the build directory because nexes and
 161 // pexes are artifacts of the build.  To keep things tidy, all test data is kept
 162 // in a subdirectory.  Several variants of a test may be run, for example when
 163 // linked against newlib and when linked against glibc.  These variants are kept
 164 // in different subdirectories.  For example, the build directory will look
 165 // something like this on Linux:
 166 // out/
 167 //     Release/
 168 //             nacl_test_data/
 169 //                            newlib/
 170 //                            glibc/
 171 //                            pnacl/
 172 static bool GetNaClVariantRoot(const base::FilePath::StringType& variant,
 173                                base::FilePath* document_root) {
 174   if (!ui_test_utils::GetRelativeBuildDirectory(document_root))
 175     return false;
 176   *document_root = document_root->Append(FILE_PATH_LITERAL("nacl_test_data"));
 177   *document_root = document_root->Append(variant);
 178   return true;
 179 }
 180
 181 static void AddPnaclParm(const base::FilePath::StringType& url,
 182                          base::FilePath::StringType* url_with_parm) {
 183   if (url.find(FILE_PATH_LITERAL("?")) == base::FilePath::StringType::npos) {
 184     *url_with_parm = url + FILE_PATH_LITERAL("?pnacl=1");
 185   } else {
 186     *url_with_parm = url + FILE_PATH_LITERAL("&pnacl=1");
 187   }
 188 }
 189
 190 NaClBrowserTestBase::NaClBrowserTestBase() {
 191 }
 192
 193 NaClBrowserTestBase::~NaClBrowserTestBase() {
 194 }
 195
 196 void NaClBrowserTestBase::SetUpCommandLine(base::CommandLine* command_line) {
 197   command_line->AppendSwitch(switches::kEnableNaCl);
 198 }
 199
 200 void NaClBrowserTestBase::SetUpOnMainThread() {
 201   ASSERT_TRUE(StartTestServer()) << "Cannot start test server.";
 202 }
 203
 204 bool NaClBrowserTestBase::GetDocumentRoot(base::FilePath* document_root) {
 205   return GetNaClVariantRoot(Variant(), document_root);
 206 }
 207
 208 bool NaClBrowserTestBase::IsAPnaclTest() {
 209   return false;
 210 }
 211
 212 GURL NaClBrowserTestBase::TestURL(
 213     const base::FilePath::StringType& url_fragment) {
 214   base::FilePath expanded_url = base::FilePath(FILE_PATH_LITERAL("files"));
 215   expanded_url = expanded_url.Append(url_fragment);
 216   return test_server_->GetURL(expanded_url.MaybeAsASCII());
 217 }
 218
 219 bool NaClBrowserTestBase::RunJavascriptTest(
 220     const GURL& url,
 221     content::TestMessageHandler* handler) {
 222   content::JavascriptTestObserver observer(
 223       browser()->tab_strip_model()->GetActiveWebContents(),
 224       handler);
 225   ui_test_utils::NavigateToURL(browser(), url);
 226   return observer.Run();
 227 }
 228
 229 void NaClBrowserTestBase::RunLoadTest(
 230     const base::FilePath::StringType& test_file) {
 231   LoadTestMessageHandler handler;
 232   base::FilePath::StringType test_file_with_pnacl = test_file;
 233   if (IsAPnaclTest()) {
 234     AddPnaclParm(test_file, &test_file_with_pnacl);
 235   }
 236   base::FilePath::StringType test_file_with_both = test_file_with_pnacl;
 237   bool ok = RunJavascriptTest(TestURL(test_file_with_both), &handler);
 238   ASSERT_TRUE(ok) << handler.error_message();
 239   ASSERT_TRUE(handler.test_passed()) << "Test failed.";
 240 }
 241
 242 void NaClBrowserTestBase::RunNaClIntegrationTest(
 243     const base::FilePath::StringType& url_fragment, bool full_url) {
 244   NaClIntegrationMessageHandler handler;
 245   base::FilePath::StringType url_fragment_with_pnacl = url_fragment;
 246   if (IsAPnaclTest()) {
 247     AddPnaclParm(url_fragment, &url_fragment_with_pnacl);
 248   }
 249   base::FilePath::StringType url_fragment_with_both = url_fragment_with_pnacl;
 250   bool ok = RunJavascriptTest(full_url
 251                               ? GURL(url_fragment_with_both)
 252                               : TestURL(url_fragment_with_both),
 253                               &handler);
 254   ASSERT_TRUE(ok) << handler.error_message();
 255   ASSERT_TRUE(handler.test_passed()) << "Test failed.";
 256 }
 257
 258 bool NaClBrowserTestBase::StartTestServer() {
 259   // Launch the web server.
 260   base::FilePath document_root;
 261   if (!GetDocumentRoot(&document_root))
 262     return false;
 263   test_server_.reset(new net::SpawnedTestServer(
 264                          net::SpawnedTestServer::TYPE_HTTP,
 265                          net::SpawnedTestServer::kLocalhost,
 266                          document_root));
 267   return test_server_->Start();
 268 }
 269
 270 base::FilePath::StringType NaClBrowserTestNewlib::Variant() {
 271   return FILE_PATH_LITERAL("newlib");
 272 }
 273
 274 base::FilePath::StringType NaClBrowserTestGLibc::Variant() {
 275   return FILE_PATH_LITERAL("glibc");
 276 }
 277
 278 base::FilePath::StringType NaClBrowserTestPnacl::Variant() {
 279   return FILE_PATH_LITERAL("pnacl");
 280 }
 281
 282 bool NaClBrowserTestPnacl::IsAPnaclTest() {
 283   return true;
 284 }
 285
 286 base::FilePath::StringType NaClBrowserTestNonSfiMode::Variant() {
 287   return FILE_PATH_LITERAL("libc-free");
 288 }
 289
 290 void NaClBrowserTestNonSfiMode::SetUpCommandLine(
 291     base::CommandLine* command_line) {
 292   NaClBrowserTestBase::SetUpCommandLine(command_line);
 293   command_line->AppendSwitch(switches::kEnableNaClNonSfiMode);
 294 }
 295
 296 base::FilePath::StringType NaClBrowserTestStatic::Variant() {
 297   return FILE_PATH_LITERAL("static");
 298 }
 299
 300 bool NaClBrowserTestStatic::GetDocumentRoot(base::FilePath* document_root) {
 301   *document_root = base::FilePath(FILE_PATH_LITERAL("chrome/test/data/nacl"));
 302   return true;
 303 }
 304
 305 base::FilePath::StringType NaClBrowserTestPnaclNonSfi::Variant() {
 306   return FILE_PATH_LITERAL("nonsfi");
 307 }
 308
 309 void NaClBrowserTestPnaclNonSfi::SetUpCommandLine(
 310     base::CommandLine* command_line) {
 311   NaClBrowserTestBase::SetUpCommandLine(command_line);
 312   command_line->AppendSwitch(switches::kEnableNaClNonSfiMode);
 313 }
 314
 315 void NaClBrowserTestNewlibExtension::SetUpCommandLine(
 316     CommandLine* command_line) {
 317   NaClBrowserTestBase::SetUpCommandLine(command_line);
 318   base::FilePath src_root;
 319   ASSERT_TRUE(PathService::Get(base::DIR_SOURCE_ROOT, &src_root));
 320
 321   // Extension-based tests should specialize the GetDocumentRoot() / Variant()
 322   // to point at the isolated the test extension directory.
 323   // Otherwise, multiple NaCl extensions tests will end up sharing the
 324   // same directory when loading the extension files.
 325   base::FilePath document_root;
 326   ASSERT_TRUE(GetDocumentRoot(&document_root));
 327
 328   // Document root is relative to source root, and source root may not be CWD.
 329   command_line->AppendSwitchPath(switches::kLoadExtension,
 330                                  src_root.Append(document_root));
 331 }
 332
 333 void NaClBrowserTestGLibcExtension::SetUpCommandLine(
 334     CommandLine* command_line) {
 335   NaClBrowserTestBase::SetUpCommandLine(command_line);
 336   base::FilePath src_root;
 337   ASSERT_TRUE(PathService::Get(base::DIR_SOURCE_ROOT, &src_root));
 338
 339   // Extension-based tests should specialize the GetDocumentRoot() / Variant()
 340   // to point at the isolated the test extension directory.
 341   // Otherwise, multiple NaCl extensions tests will end up sharing the
 342   // same directory when loading the extension files.
 343   base::FilePath document_root;
 344   ASSERT_TRUE(GetDocumentRoot(&document_root));
 345
 346   // Document root is relative to source root, and source root may not be CWD.
 347   command_line->AppendSwitchPath(switches::kLoadExtension,
 348                                  src_root.Append(document_root));
 349 }