Make content_browsertests support restarts across a test.

BUG=90448
Review URL: https://chromiumcodereview.appspot.com/10855231

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@152174 0039d316-1c4b-4281-b951-d872f2087c98

chrome/test/base/chrome_test_launcher.cc

@@ -10,7 +10,6 @@
 #include "base/logging.h"
 #include "base/memory/linked_ptr.h"
 #include "base/run_loop.h"
-#include "base/scoped_temp_dir.h"
 #include "base/test/test_file_util.h"
 #include "chrome/app/chrome_main_delegate.h"
 #include "chrome/common/chrome_switches.h"
@@ -78,7 +77,7 @@ class ChromeTestLauncherDelegate : public test_launcher::TestLauncherDelegate {
   }
 
   virtual bool AdjustChildProcessCommandLine(
-      CommandLine* command_line) OVERRIDE {
+      CommandLine* command_line, const FilePath& temp_data_dir) OVERRIDE {
     CommandLine new_command_line(command_line->GetProgram());
     CommandLine::SwitchMap switches = command_line->GetSwitches();
 
@@ -90,20 +89,7 @@ class ChromeTestLauncherDelegate : public test_launcher::TestLauncherDelegate {
       new_command_line.AppendSwitchNative((*iter).first, (*iter).second);
     }
 
-    // Clean up previous temp dir.
-    // We Take() the directory and delete it ourselves so that the next
-    // CreateUniqueTempDir will succeed even if deleting the directory fails.
-    if (!temp_dir_.path().empty() &&
-        !file_util::DieFileDie(temp_dir_.Take(), true)) {
-      LOG(ERROR) << "Error deleting previous temp profile directory";
-    }
-
-    // Create a new user data dir and pass it to the child.
-    if (!temp_dir_.CreateUniqueTempDir() || !temp_dir_.IsValid()) {
-      LOG(ERROR) << "Error creating temp profile directory";
-      return false;
-    }
-    new_command_line.AppendSwitchPath(switches::kUserDataDir, temp_dir_.path());
+    new_command_line.AppendSwitchPath(switches::kUserDataDir, temp_data_dir);
 
     // file:// access for ChromeOS.
     new_command_line.AppendSwitch(switches::kAllowFileAccess);
@@ -133,8 +119,6 @@ class ChromeTestLauncherDelegate : public test_launcher::TestLauncherDelegate {
   }
 
  private:
-  ScopedTempDir temp_dir_;
-
 #if !defined(USE_AURA) && defined(TOOLKIT_VIEWS)
   std::stack<linked_ptr<views::AcceleratorHandler> > handlers_;
 #endif

content/public/test/test_launcher.cc

@@ -61,6 +61,10 @@ const char kPreTestPrefix[] = "PRE_";
 // add a new binary that must be compiled on all builds.
 const char kManualTestPrefix[] = "MANUAL_";
 
+// Tests with this suffix are expected to crash, so it won't count as a failure.
+// A test that uses this must have a PRE_ prefix.
+const char kCrashTestSuffix[] = "_CRASH";
+
 TestLauncherDelegate* g_launcher_delegate;
 }
 
@@ -331,8 +335,10 @@ int RunTestInternal(const testing::TestCase* test_case,
       if (cur_test_name == pre_test_name) {
         int exit_code = RunTestInternal(test_case, pre_test_name, command_line,
                                         default_timeout, was_timeout);
-        if (exit_code != 0)
+        if (exit_code != 0 &&
+            !EndsWith(pre_test_name, kCrashTestSuffix, true)) {
           return exit_code;
+        }
       }
     }
   }
@@ -440,8 +446,17 @@ int RunTest(TestLauncherDelegate* launcher_delegate,
   // failure status back to the parent.
   new_cmd_line.AppendSwitch(base::TestSuite::kStrictFailureHandling);
 
-  if (!launcher_delegate->AdjustChildProcessCommandLine(&new_cmd_line))
+  ScopedTempDir temp_dir;
+  // Create a new data dir and pass it to the child.
+  if (!temp_dir.CreateUniqueTempDir() || !temp_dir.IsValid()) {
+    LOG(ERROR) << "Error creating temp data directory";
     return -1;
+  }
+
+  if (!launcher_delegate->AdjustChildProcessCommandLine(&new_cmd_line,
+                                                        temp_dir.path())) {
+    return -1;
+  }
 
   return RunTestInternal(
       test_case, test_name, &new_cmd_line, default_timeout, was_timeout);

content/public/test/test_launcher.h

@@ -11,6 +11,7 @@
 #include "base/compiler_specific.h"
 
 class CommandLine;
+class FilePath;
 
 namespace base {
 class RunLoop;
@@ -38,7 +39,8 @@ class TestLauncherDelegate {
   virtual std::string GetEmptyTestName() = 0;
   virtual bool Run(int argc, char** argv, int* return_code) = 0;
   virtual int RunTestSuite(int argc, char** argv) = 0;
-  virtual bool AdjustChildProcessCommandLine(CommandLine* command_line) = 0;
+  virtual bool AdjustChildProcessCommandLine(CommandLine* command_line,
+                                             const FilePath& temp_data_dir) = 0;
   virtual void PreRunMessageLoop(base::RunLoop* run_loop) {}
   virtual void PostRunMessageLoop() {}
 

content/shell/shell_browser_context.cc

@@ -41,12 +41,15 @@ ShellBrowserContext::~ShellBrowserContext() {
 
 void ShellBrowserContext::InitWhileIOAllowed() {
   CommandLine* cmd_line = CommandLine::ForCurrentProcess();
-  if (cmd_line->HasSwitch(switches::kContentBrowserTest) ||
-      cmd_line->HasSwitch(switches::kDumpRenderTree)) {
+  if (cmd_line->HasSwitch(switches::kDumpRenderTree)) {
     CHECK(testing_path_.CreateUniqueTempDir());
     path_ = testing_path_.path();
     return;
   }
+  if (cmd_line->HasSwitch(switches::kContentShellDataPath)) {
+    path_ = cmd_line->GetSwitchValuePath(switches::kContentShellDataPath);
+    return;
+  }
 #if defined(OS_WIN)
   CHECK(PathService::Get(base::DIR_LOCAL_APP_DATA, &path_));
   path_ = path_.Append(std::wstring(L"content_shell"));

content/shell/shell_switches.cc

@@ -12,6 +12,9 @@ const char kCheckLayoutTestSysDeps[] = "check-layout-test-sys-deps";
 // Tells Content Shell that it's running as a content_browsertest.
 const char kContentBrowserTest[] = "browser-test";
 
+// Makes Content Shell use the given path for its data directory.
+const char kContentShellDataPath[] = "data-path";
+
 // Request pages to be dumped as text once they finished loading.
 const char kDumpRenderTree[] = "dump-render-tree";
 

content/shell/shell_switches.h

@@ -11,6 +11,7 @@ namespace switches {
 
 extern const char kCheckLayoutTestSysDeps[];
 extern const char kContentBrowserTest[];
+extern const char kContentShellDataPath[];
 extern const char kDumpRenderTree[];
 extern const char kNoTimeout[];
 

content/test/content_test_launcher.cc

@@ -8,7 +8,6 @@
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/path_service.h"
-#include "base/scoped_temp_dir.h"
 #include "base/test/test_suite.h"
 #include "content/public/app/content_main.h"
 #include "content/public/common/content_switches.h"
@@ -16,6 +15,7 @@
 #include "content/shell/shell_content_browser_client.h"
 #include "content/shell/shell_content_client.h"
 #include "content/shell/shell_main_delegate.h"
+#include "content/shell/shell_switches.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 #if defined(OS_WIN)
@@ -121,7 +121,9 @@ class ContentTestLauncherDelegate : public test_launcher::TestLauncherDelegate {
   }
 
   virtual bool AdjustChildProcessCommandLine(
-      CommandLine* command_line) OVERRIDE {
+      CommandLine* command_line, const FilePath& temp_data_dir) OVERRIDE {
+    command_line->AppendSwitchPath(switches::kContentShellDataPath,
+                                   temp_data_dir);
     return true;
   }