automatically accept photo permission alerts (fix #1700)

and add manualPermissionAlerts desired cap if you want to
handle things manually

docs/caps.md

@@ -33,3 +33,4 @@ Appium server capabilities
 |`language`| Language to set for the iOS Simulator|e.g. `fr`|
 |`launchTimeout`| Amount of time in ms to wait for instruments before assuming it hung and failing the session|e.g. `20000`|
 |`locale`| Locale to set for the iOS Simulator|e.g. `fr_CA`|
+|`manualPermissionAlerts`| Handle iOS permissions alerts (e.g., for photos) on your own. Otherwise, Appium will automatically accept them for you|

lib/appium.js

@@ -520,6 +520,7 @@ Appium.prototype.initDevice = function() {
       , logNoColors: this.args.logNoColors
       , flakeyRetries: this.args.backendRetries
       , origAppPath: this.origAppPath
+      , manualPermissionAlerts: this.desiredCapabilities.manualPermissionAlerts
     };
     if (this.desiredCapabilities.safari || this.desiredCapabilities.iwebview) {
       this.device = new Safari(iosOpts);

lib/devices/ios/ios.js

@@ -53,6 +53,7 @@ IOS.prototype.init = function(args) {
   this.autoWebview = args.autoWebview;
   this.withoutDelay = args.withoutDelay;
   this.useDefaultDevice = args.defaultDevice;
+  this.manualPermissionAlerts = !!args.manualPermissionAlerts;
   this.xcodeFolder = null;
   this.xcodeVersion = null;
   this.iOSSDKVersion = null;
@@ -198,6 +199,7 @@ IOS.prototype.start = function(cb, onDie) {
     this.startInstruments.bind(this),
     this.onInstrumentsLaunch.bind(this),
     this.setBundleId.bind(this),
+    this.setBootstrapConfig.bind(this),
     this.setInitialOrientation.bind(this),
   ], function(err) {
     cb(err);
@@ -292,6 +294,15 @@ IOS.prototype.setInitialOrientation = function(cb) {
   }
 };
 
+IOS.prototype.setBootstrapConfig = function(cb) {
+  logger.info("Setting bootstrap config keys/values");
+  var pre = "setBootstrapConfig: ";
+  var cmd = pre + "manualPermissionAlerts=" + JSON.stringify(this.manualPermissionAlerts);
+  this.proxy(cmd, function(err) {
+    cb(err); // discard res
+  });
+};
+
 IOS.prototype.onUnexpectedInstrumentsExit = function(code, traceDir) {
   logger.info("Instruments exited unexpectedly");
   if (typeof this.cbForCurrentCmd === "function") {

lib/devices/ios/uiauto/bootstrap.js

@@ -17,7 +17,10 @@ var bootstrapSettings = {};
 UIATarget.onAlert = function(alert) {
   if (alert.name() && alert.name().indexOf("attempting to open a pop-up") !== -1) {
     alert.defaultButton().tap();
-    return true;
+  } else if (!bootstrapSettings.manualPermissionAlerts) {
+    if (alert.name().indexOf("Would Like to Access Your Photos") !== -1) {
+      alert.defaultButton().tap();
+    }
   }
   return true;
 };