[ChromeDriver] Support mobile emulation on desktop Chrome.

chrome/test/chromedriver/capabilities_unittest.cc

Index: chrome/test/chromedriver/capabilities_unittest.cc
diff --git a/chrome/test/chromedriver/capabilities_unittest.cc b/chrome/test/chromedriver/capabilities_unittest.cc
index f4b313ef00c2a6aa9e7d48d7b295f9b73f91cee1..b15f3f2a70e5018d092b86dc4c1a461448674224 100644
--- a/chrome/test/chromedriver/capabilities_unittest.cc
+++ b/chrome/test/chromedriver/capabilities_unittest.cc
@@ -361,3 +361,99 @@ TEST(ParseCapabilities, UseExistingBrowser) {
   ASSERT_EQ("abc", capabilities.debugger_address.host());
   ASSERT_EQ(123, capabilities.debugger_address.port());
 }
+
+TEST(ParseCapabilities, MobileEmulationUserAgent) {
+  Capabilities capabilities;
+  base::DictionaryValue mobile_emulation;
+  mobile_emulation.SetString("userAgent", "Agent Smith");
+  base::DictionaryValue caps;
+  caps.Set("chromeOptions.mobileEmulation", mobile_emulation.DeepCopy());
+  Status status = capabilities.Parse(caps);
+  ASSERT_TRUE(status.IsOk());
+
+  ASSERT_EQ(1u, capabilities.switches.GetSize());
+  ASSERT_TRUE(capabilities.switches.HasSwitch("user-agent"));
+  ASSERT_EQ("'Agent Smith'",

[samuong, 2014/05/16 22:56:21]

Should be ASSERT_EQ("Agent Smith"

i.e. no single quote characters - these shouldn't be part of the user agent

[sam.rawlins, 2014/05/16 23:35:51]

Done.

+            capabilities.switches.GetSwitchValue("user-agent"));
+}
+
+TEST(ParseCapabilities, MobileEmulationDeviceMetrics) {
+  Capabilities capabilities;
+  base::DictionaryValue mobile_emulation;
+  mobile_emulation.SetInteger("deviceMetrics.width", 360);
+  mobile_emulation.SetInteger("deviceMetrics.height", 640);
+  mobile_emulation.SetDouble("deviceMetrics.pixelRatio", 3.0);
+  base::DictionaryValue caps;
+  caps.Set("chromeOptions.mobileEmulation", mobile_emulation.DeepCopy());
+  Status status = capabilities.Parse(caps);
+  ASSERT_TRUE(status.IsOk());
+
+  ASSERT_EQ(360, capabilities.device_metrics->width);
+  ASSERT_EQ(640, capabilities.device_metrics->height);
+  ASSERT_EQ(3.0, capabilities.device_metrics->device_scale_factor);
+}
+
+TEST(ParseCapabilities, MobileEmulationDeviceName) {
+  Capabilities capabilities;
+  base::DictionaryValue mobile_emulation;
+  mobile_emulation.SetString("deviceName", "Google Nexus 5");
+  base::DictionaryValue caps;
+  caps.Set("chromeOptions.mobileEmulation", mobile_emulation.DeepCopy());
+  Status status = capabilities.Parse(caps);
+  ASSERT_TRUE(status.IsOk());
+
+  ASSERT_EQ(1u, capabilities.switches.GetSize());
+  ASSERT_TRUE(capabilities.switches.HasSwitch("user-agent"));
+  ASSERT_EQ(
+      "'Mozilla/5.0 (Linux; Android 4.2.1; en-us; Nexus 5 Build/JOP40D) AppleWe"
+      "bKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.166 Mobile Safari/535.1"
+      "9'",
+      capabilities.switches.GetSwitchValue("user-agent"));
+
+  ASSERT_EQ(360, capabilities.device_metrics->width);
+  ASSERT_EQ(640, capabilities.device_metrics->height);
+  ASSERT_EQ(3.0, capabilities.device_metrics->device_scale_factor);
+}
+
+TEST(ParseCapabilities, MobileEmulationNotDict) {
+  Capabilities capabilities;
+  base::DictionaryValue caps;
+  caps.SetString("chromeOptions.mobileEmulation", "Google Nexus 5");
+  Status status = capabilities.Parse(caps);
+  ASSERT_FALSE(status.IsOk());
+}
+
+TEST(ParseCapabilities, MobileEmulationDeviceMetricsNotDict) {
+  Capabilities capabilities;
+  base::DictionaryValue mobile_emulation;
+  mobile_emulation.SetInteger("deviceMetrics", 360);
+  base::DictionaryValue caps;
+  caps.Set("chromeOptions.mobileEmulation", mobile_emulation.DeepCopy());
+  Status status = capabilities.Parse(caps);
+  ASSERT_FALSE(status.IsOk());
+}
+
+TEST(ParseCapabilities, MobileEmulationDeviceMetricsNotNumbers) {
+  Capabilities capabilities;
+  base::DictionaryValue mobile_emulation;
+  mobile_emulation.SetString("deviceMetrics.width", "360");
+  mobile_emulation.SetString("deviceMetrics.height", "640");
+  mobile_emulation.SetString("deviceMetrics.pixelRatio", "3.0");
+  base::DictionaryValue caps;
+  caps.Set("chromeOptions.mobileEmulation", mobile_emulation.DeepCopy());
+  Status status = capabilities.Parse(caps);
+  ASSERT_FALSE(status.IsOk());
+}
+
+TEST(ParseCapabilities, MobileEmulationBadDict) {
+  Capabilities capabilities;
+  base::DictionaryValue mobile_emulation;
+  mobile_emulation.SetString("deviceName", "Google Nexus 5");
+  mobile_emulation.SetInteger("deviceMetrics.width", 360);
+  mobile_emulation.SetInteger("deviceMetrics.height", 640);
+  mobile_emulation.SetDouble("deviceMetrics.pixelRatio", 3.0);
+  base::DictionaryValue caps;
+  caps.Set("chromeOptions.mobileEmulation", mobile_emulation.DeepCopy());
+  Status status = capabilities.Parse(caps);
+  ASSERT_FALSE(status.IsOk());
+}