Enable import/export of passwords into/from Password Manager

components/password_manager/core/browser/export/password_exporter_unittest.cc

Index: components/password_manager/core/browser/export/password_exporter_unittest.cc
diff --git a/components/password_manager/core/browser/export/password_exporter_unittest.cc b/components/password_manager/core/browser/export/password_exporter_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..9c028edede4ad10c85091efda5593d61d21530a5
--- /dev/null
+++ b/components/password_manager/core/browser/export/password_exporter_unittest.cc
@@ -0,0 +1,106 @@
+

[vabr (Chromium), 2016/03/10 10:53:32]

nit: remove the blank line

[xunlu, 2016/03/16 07:23:59]

Done.

+// Copyright 2014 The Chromium Authors. All rights reserved.

[vabr (Chromium), 2016/03/10 10:53:32]

2016

[xunlu, 2016/03/16 07:23:59]

Done.

+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "components/password_manager/core/browser/export/password_exporter.h"
+
+#include "base/bind.h"
+#include "base/bind_helpers.h"
+#include "base/files/file_util.h"
+#include "base/message_loop/message_loop.h"
+#include "base/run_loop.h"
+#include "base/strings/stringprintf.h"
+#include "base/strings/utf_string_conversions.h"
+#include "components/autofill/core/common/password_form.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace password_manager {
+
+class PasswordExporterTest : public testing::Test {
+ public:
+  PasswordExporterTest() : callback_called_(false) {}
+
+ protected:
+  std::vector<scoped_ptr<autofill::PasswordForm>> ConstructTestPasswordForms() {
+    scoped_ptr<autofill::PasswordForm> password_form_(
+        new autofill::PasswordForm());
+    password_form_->origin = GURL("http://accounts.google.com/a/LoginAuth");
+    password_form_->username_value = base::ASCIIToUTF16("test@gmail.com");
+    password_form_->password_value = base::ASCIIToUTF16("test1");
+
+    std::vector<scoped_ptr<autofill::PasswordForm>> password_forms;
+    password_forms.push_back(std::move(password_form_));
+    return password_forms;
+  }
+
+  void StartExportAndWaitUntilCompleteThenReadOutput(
+      const base::FilePath::StringType& provided_extension,
+      const base::FilePath::StringType& expected_extension,
+      std::vector<scoped_ptr<autofill::PasswordForm>> passwords,
+      std::string* output) {
+    base::FilePath temporary_dir;
+    ASSERT_TRUE(base::CreateNewTempDirectory(base::FilePath::StringType(),
+                                             &temporary_dir));
+    base::FilePath output_file =
+        temporary_dir.AppendASCII("passwords").AddExtension(provided_extension);
+
+    PasswordExporter::Export(output_file, std::move(passwords),
+                             message_loop_.task_runner(),
+                             base::Bind(&PasswordExporterTest::OnExportFinished,
+                                        base::Unretained(this)));
+
+    base::RunLoop run_loop;
+    run_loop.RunUntilIdle();
+
+    if (provided_extension != expected_extension) {
+      output_file = output_file.ReplaceExtension(expected_extension);
+    }
+
+    EXPECT_TRUE(callback_called_);
+    EXPECT_TRUE(base::ReadFileToString(output_file, output));
+    base::DeleteFile(temporary_dir, true);
+  }
+
+  void OnExportFinished() { callback_called_ = true; }
+
+ private:
+  base::MessageLoop message_loop_;
+  bool callback_called_;
+
+  DISALLOW_COPY_AND_ASSIGN(PasswordExporterTest);
+};
+
+TEST_F(PasswordExporterTest, CSVExport) {
+#if defined(OS_WIN)
+  const char kLineEnding[] = "\r\n";
+#else
+  const char kLineEnding[] = "\n";
+#endif
+  std::string kExpectedCSVOutput = base::StringPrintf(
+      "name,url,username,password%s"
+      "accounts.google.com,http://accounts.google.com/a/"
+      "LoginAuth,test@gmail.com,test1%s",
+      kLineEnding, kLineEnding);
+
+  std::string output;
+  ASSERT_NO_FATAL_FAILURE(StartExportAndWaitUntilCompleteThenReadOutput(
+      FILE_PATH_LITERAL(".csv"), FILE_PATH_LITERAL(".csv"),
+      ConstructTestPasswordForms(), &output));
+  EXPECT_EQ(kExpectedCSVOutput, output);
+
+  // Verify that exporter use ".csv" extension when no extension is provided

[vabr (Chromium), 2016/03/10 10:53:32]

nit: Add a full-stop (.) at the end of the sentences in comments (also below).

[xunlu, 2016/03/16 07:23:59]

Done.

+  ASSERT_NO_FATAL_FAILURE(StartExportAndWaitUntilCompleteThenReadOutput(
+      FILE_PATH_LITERAL(""), FILE_PATH_LITERAL(".csv"),
+      ConstructTestPasswordForms(), &output));
+  EXPECT_EQ(kExpectedCSVOutput, output);
+
+  // Verify that exporter use ".csv" extension when unknown extension is
+  // provided
+  ASSERT_NO_FATAL_FAILURE(StartExportAndWaitUntilCompleteThenReadOutput(

[vabr (Chromium), 2016/03/10 10:53:32]

(As noted above, this behaviour seems rather risky, we do not want to overwrite
the user's files by accident.)

[xunlu, 2016/03/16 07:23:59]

See my comments above.

+      FILE_PATH_LITERAL(".vsc"), FILE_PATH_LITERAL(".csv"),
+      ConstructTestPasswordForms(), &output));
+  EXPECT_EQ(kExpectedCSVOutput, output);
+}
+
+}  // namespace password_manager