[Media Router] Parse device description xml in utility process

chrome/utility/media_router/dial_device_description_parser_impl_unittest.cc

+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+#include "chrome/utility/media_router/dial_device_description_parser_impl.h"
+
+#include <string>
+
+#include "base/logging.h"
+#include "base/macros.h"
+#include "base/strings/string_util.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+constexpr char kDeviceDescriptionWithService[] =
+    "<root xmlns=\"urn:schemas-upnp-org:device-1-0\">\n"
+    "<specVersion>\n"
+    "<major>1</major>\n"
+    "<minor>0</minor>\n"
+    "</specVersion>\n"
+    "<URLBase>http://172.31.71.84:8008</URLBase>\n"
+    "<device>\n"
+    "<deviceType>urn:dial-multiscreen-org:device:dial:1</deviceType>\n"
+    "<friendlyName>eureka9019</friendlyName>\n"
+    "<manufacturer>Google Inc.</manufacturer>\n"
+    "<modelName>Eureka Dongle</modelName>\n"
+    "<serialNumber>123456789000</serialNumber>\n"
+    "<UDN>uuid:d90dda41-8fa0-61ac-0567-f949d3e34b0e</UDN>\n"
+    "<serviceList>\n"
+    "<service>\n"
+    "<serviceType>urn:dial-multiscreen-org:service:dial:1</serviceType>\n"
+    "<serviceId>urn:dial-multiscreen-org:serviceId:dial</serviceId>\n"
+    "<controlURL>/ssdp/notfound</controlURL>\n"
+    "<eventSubURL>/ssdp/notfound</eventSubURL>\n"
+    "<SCPDURL>/ssdp/notfound</SCPDURL>\n"
+    "<servicedata xmlns=\"uri://cloudview.google.com/...\">\n"
+    "</servicedata>\n"
+    "</service>\n"
+    "</serviceList>\n"
+    "</device>\n"
+    "</root>\n";
+
+constexpr char kDeviceDescriptionWithoutService[] =
+    "<root xmlns=\"urn:schemas-upnp-org:device-1-0\">\n"
+    "<specVersion>\n"
+    "<major>1</major>\n"
+    "<minor>0</minor>\n"
+    "</specVersion>\n"
+    "<URLBase>http://172.31.71.84:8008</URLBase>\n"
+    "<device>\n"
+    "<deviceType>urn:dial-multiscreen-org:device:dial:1</deviceType>\n"
+    "<friendlyName>eureka9020</friendlyName>\n"
+    "<manufacturer>Google Inc.</manufacturer>\n"
+    "<modelName>Eureka Dongle</modelName>\n"
+    "<serialNumber>123456789000</serialNumber>\n"
+    "<UDN>uuid:d90dda41-8fa0-61ac-0567-f949d3e34b0f</UDN>\n"
+    "</device>\n"
+    "</root>\n";
+
+std::string& Replace(std::string& input,
+                     const std::string& from,
+                     const std::string& to) {
+  size_t pos = input.find(from);
+  if (pos == std::string::npos)
+    return input;
+
+  return input.replace(pos, from.size(), to);
+}
+
+}  // namespace
+
+namespace media_router {
+
+class DialDeviceDescriptionParserImplTest : public testing::Test {
+ public:
+  DialDeviceDescriptionParserImplTest() {}
+  chrome::mojom::DialDeviceDescriptionPtr Parse(const std::string& xml) {
+    return parser_.Parse(xml);
+  }
+
+ private:
+  DialDeviceDescriptionParserImpl parser_;
+  DISALLOW_COPY_AND_ASSIGN(DialDeviceDescriptionParserImplTest);
+};
+
+TEST_F(DialDeviceDescriptionParserImplTest, TestInvalidXml) {
+  chrome::mojom::DialDeviceDescriptionPtr device_description = Parse("");
+  EXPECT_FALSE(device_description);
+}
+
+TEST_F(DialDeviceDescriptionParserImplTest, TestParse) {
+  std::string xml_text(kDeviceDescriptionWithService);
+
+  chrome::mojom::DialDeviceDescriptionPtr device_description = Parse(xml_text);
+  EXPECT_TRUE(device_description);
+
+  EXPECT_EQ("urn:dial-multiscreen-org:device:dial:1",
+            device_description->device_type);
+  EXPECT_EQ("eureka9019", device_description->friendly_name);
+  EXPECT_EQ("Eureka Dongle", device_description->model_name);
+  EXPECT_EQ("uuid:d90dda41-8fa0-61ac-0567-f949d3e34b0e",
+            device_description->unique_id);
+}
+
+TEST_F(DialDeviceDescriptionParserImplTest, TestParseWithSpecialCharacter) {
+  std::string old_name = "<friendlyName>eureka9019</friendlyName>";
+  std::string new_name = "<friendlyName>Samsung LED40\'s</friendlyName>";
+
+  std::string xml_text(kDeviceDescriptionWithService);
+  xml_text = Replace(xml_text, old_name, new_name);
+
+  chrome::mojom::DialDeviceDescriptionPtr device_description = Parse(xml_text);
+  EXPECT_TRUE(device_description);
+
+  EXPECT_EQ("urn:dial-multiscreen-org:device:dial:1",
+            device_description->device_type);
+  EXPECT_EQ("Samsung LED40\'s", device_description->friendly_name);
+  EXPECT_EQ("Eureka Dongle", device_description->model_name);
+  EXPECT_EQ("uuid:d90dda41-8fa0-61ac-0567-f949d3e34b0e",
+            device_description->unique_id);
+}
+
+TEST_F(DialDeviceDescriptionParserImplTest,
+       TestParseWithoutFriendlyNameModelName) {
+  std::string friendly_name = "<friendlyName>eureka9020</friendlyName>";
+  std::string model_name = "<modelName>Eureka Dongle</modelName>";
+
+  std::string xml_text(kDeviceDescriptionWithoutService);
+  xml_text = Replace(xml_text, friendly_name, "");
+  xml_text = Replace(xml_text, model_name, "");
+
+  chrome::mojom::DialDeviceDescriptionPtr device_description = Parse(xml_text);
+  EXPECT_FALSE(device_description);
+}
+
+TEST_F(DialDeviceDescriptionParserImplTest, TestParseWithoutFriendlyName) {
+  std::string friendly_name = "<friendlyName>eureka9020</friendlyName>";
+
+  std::string xml_text(kDeviceDescriptionWithoutService);
+  xml_text = Replace(xml_text, friendly_name, "");
+
+  chrome::mojom::DialDeviceDescriptionPtr device_description = Parse(xml_text);
+  EXPECT_TRUE(device_description);
+
+  EXPECT_EQ("urn:dial-multiscreen-org:device:dial:1",
+            device_description->device_type);
+  EXPECT_EQ("Eureka Dongle [4b0f]", device_description->friendly_name);
+  EXPECT_EQ("Eureka Dongle", device_description->model_name);
+  EXPECT_EQ("uuid:d90dda41-8fa0-61ac-0567-f949d3e34b0f",
+            device_description->unique_id);
+}
+
+}  // namespace media_router