[ios] Test user location tracking

Added a test that cycles among the user tracking modes and tests for the presence and size of the user dot or user puck in each mode. Simulate a current location in San Francisco. Added more accessibility identifiers to iosapp.

4 files changed, 69 insertions, 2 deletions

diff --git a/platform/ios/app/Main.storyboard b/platform/ios/app/Main.storyboard
index fb9b0c6d39..9d4bb88210 100644
--- a/platform/ios/app/Main.storyboard
+++ b/platform/ios/app/Main.storyboard
@@ -60,6 +60,8 @@
                             <barButtonItem image="TrackingLocationOffMask.png" id="CQ1-GP-M6x" userLabel="User Tracking Mode">
                                 <userDefinedRuntimeAttributes>
                                     <userDefinedRuntimeAttribute type="string" keyPath="accessibilityLabel" value="User tracking mode"/>
+                                    <userDefinedRuntimeAttribute type="string" keyPath="accessibilityIdentifier" value="MBXUserTrackingModeButton"/>
+                                    <userDefinedRuntimeAttribute type="string" keyPath="accessibilityValue" value="Off"/>
                                 </userDefinedRuntimeAttributes>
                                 <connections>
                                     <action selector="locateUser:" destination="WaX-pd-UZQ" id="XgF-DB-z3f"/>
@@ -68,6 +70,7 @@
                             <barButtonItem systemItem="organize" id="5IK-vz-jKQ" userLabel="Offline Packs">
                                 <userDefinedRuntimeAttributes>
                                     <userDefinedRuntimeAttribute type="string" keyPath="accessibilityLabel" value="Offline packs"/>
+                                    <userDefinedRuntimeAttribute type="string" keyPath="accessibilityIdentifier" value="MBXOfflinePacksButton"/>
                                 </userDefinedRuntimeAttributes>
                                 <connections>
                                     <segue destination="7q0-lI-zqb" kind="show" identifier="ShowOfflinePacks" id="xjx-0t-0LD"/>
diff --git a/platform/ios/ios.xcodeproj/project.pbxproj b/platform/ios/ios.xcodeproj/project.pbxproj
index d93aa362e6..5468c68156 100644
--- a/platform/ios/ios.xcodeproj/project.pbxproj
+++ b/platform/ios/ios.xcodeproj/project.pbxproj
@@ -227,6 +227,7 @@
 		DAC49C5C1CD02BC9009E1AA3 /* Localizable.stringsdict in Resources */ = {isa = PBXBuildFile; fileRef = DAC49C5F1CD02BC9009E1AA3 /* Localizable.stringsdict */; };
 		DAC49C5D1CD02BC9009E1AA3 /* Localizable.stringsdict in Resources */ = {isa = PBXBuildFile; fileRef = DAC49C5F1CD02BC9009E1AA3 /* Localizable.stringsdict */; };
 		DAC49C611CD03A96009E1AA3 /* MGLUITestCase.m in Sources */ = {isa = PBXBuildFile; fileRef = DAC49C601CD03A96009E1AA3 /* MGLUITestCase.m */; };
+		DAC49C641CD1678F009E1AA3 /* MGLUserLocationTests.m in Sources */ = {isa = PBXBuildFile; fileRef = DAC49C631CD1678F009E1AA3 /* MGLUserLocationTests.m */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -479,8 +480,9 @@
 		DABCABBF1CB80717000A7C39 /* locations.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = locations.cpp; sourceTree = "<group>"; };
 		DABCABC01CB80717000A7C39 /* locations.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = locations.hpp; sourceTree = "<group>"; };
 		DAC07C961CBB2CD6000CB309 /* mbgl.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = mbgl.xcconfig; path = ../../build/ios/mbgl.xcconfig; sourceTree = "<group>"; };
-		DAC49C621CD07D74009E1AA3 /* en */ = {isa = PBXFileReference; lastKnownFileType = text.plist.stringsdict; name = en; path = en.lproj/Localizable.stringsdict; sourceTree = "<group>"; };
 		DAC49C601CD03A96009E1AA3 /* MGLUITestCase.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = MGLUITestCase.m; sourceTree = "<group>"; };
+		DAC49C621CD07D74009E1AA3 /* en */ = {isa = PBXFileReference; lastKnownFileType = text.plist.stringsdict; name = en; path = en.lproj/Localizable.stringsdict; sourceTree = "<group>"; };
+		DAC49C631CD1678F009E1AA3 /* MGLUserLocationTests.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = MGLUserLocationTests.m; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -649,6 +651,7 @@
 				DA4A0DEF1CCE82500045352A /* MGLAnnotationTests.m */,
 				DA6A65961CCF429800F21F6B /* MGLGestureTests.m */,
 				DA6A65B81CCF5DB900F21F6B /* MGLTelemetryTests.m */,
+				DAC49C631CD1678F009E1AA3 /* MGLUserLocationTests.m */,
 				DA4A0DF11CCE82500045352A /* Info.plist */,
 			);
 			name = "UI Tests";
@@ -1312,6 +1315,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				DAC49C641CD1678F009E1AA3 /* MGLUserLocationTests.m in Sources */,
 				DAC49C611CD03A96009E1AA3 /* MGLUITestCase.m in Sources */,
 				DA6A65971CCF429800F21F6B /* MGLGestureTests.m in Sources */,
 				DA6A65B91CCF5DB900F21F6B /* MGLTelemetryTests.m in Sources */,
diff --git a/platform/ios/ios.xcodeproj/xcshareddata/xcschemes/iosapp.xcscheme b/platform/ios/ios.xcodeproj/xcshareddata/xcschemes/iosapp.xcscheme
index ac2e4a93a7..ecb9f977c8 100644
--- a/platform/ios/ios.xcodeproj/xcshareddata/xcschemes/iosapp.xcscheme
+++ b/platform/ios/ios.xcodeproj/xcshareddata/xcschemes/iosapp.xcscheme
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
    LastUpgradeVersion = "0730"
-   version = "1.3">
+   version = "1.7">
    <BuildAction
       parallelizeBuildables = "YES"
       buildImplicitDependencies = "YES">
@@ -48,6 +48,10 @@
                BlueprintName = "uitest"
                ReferencedContainer = "container:ios.xcodeproj">
             </BuildableReference>
+            <LocationScenarioReference
+               identifier = "San Francisco, CA, USA"
+               referenceType = "1">
+            </LocationScenarioReference>
          </TestableReference>
       </Testables>
       <MacroExpansion>
diff --git a/platform/ios/uitest/MGLUserLocationTests.m b/platform/ios/uitest/MGLUserLocationTests.m
new file mode 100644
index 0000000000..e4c17f65cb
--- /dev/null
+++ b/platform/ios/uitest/MGLUserLocationTests.m
@@ -0,0 +1,56 @@
+#import "MGLUITestCase.h"
+
+@interface MGLUserLocationTests : MGLUITestCase
+
+@end
+
+@implementation MGLUserLocationTests
+
+- (void)testUserDot {
+    XCUIApplication *app = [[XCUIApplication alloc] init];
+    NSPredicate *exists = [NSPredicate predicateWithFormat:@"exists == YES"];
+    NSPredicate *isAbsent = [NSPredicate predicateWithFormat:@"exists == NO"];
+    
+    XCUIElement *userLocationAnnotationElement = app.buttons[@"MGLUserLocationAnnotationView"];
+    XCTAssertFalse(userLocationAnnotationElement.exists, @"User dot should be hidden by default.");
+    
+    XCUIElement *userTrackingModeElement = app.navigationBars[@"MBXNavigationBar"].buttons[@"MBXUserTrackingModeButton"];
+    XCTAssertEqualObjects(userTrackingModeElement.value, @"Off", @"User tracking mode should be off by default.");
+    
+    // Change to user location tracking mode.
+    [self expectationForPredicate:exists evaluatedWithObject:userLocationAnnotationElement handler:nil];
+    [userTrackingModeElement tap];
+    XCTAssertEqualObjects(userTrackingModeElement.value, @"Follow location", @"User location tracking mode should be on after tapping the user tracking mode button.");
+    [self waitForExpectationsWithTimeout:3 handler:nil];
+    CGRect userDotAnnotationFrame = userLocationAnnotationElement.frame;
+    
+    // Open the user dot’s callout view.
+    XCUIElement *titleText = app.staticTexts[@"You Are Here"];
+    [self expectationForPredicate:exists evaluatedWithObject:titleText handler:nil];
+    [userLocationAnnotationElement tap];
+    [self waitForExpectationsWithTimeout:1 handler:nil];
+    
+    // Close the user dot’s callout view by tapping on the map proxy element. Note that the map proxy element has a gaping hole in the middle to accommodate the callout view.
+    XCUIElement *mapProxyElement = app.buttons[@"MGLMapViewProxyAccessibilityElement"];
+    [self expectationForPredicate:isAbsent evaluatedWithObject:mapProxyElement handler:nil];
+    XCUICoordinate *coordinate = [[mapProxyElement coordinateWithNormalizedOffset:CGVectorMake(0, 0)] coordinateWithOffset:CGVectorMake(100, 100)];
+    [coordinate tap];
+    [self waitForExpectationsWithTimeout:2 handler:nil];
+    
+    // Change to user heading tracking mode.
+    [userTrackingModeElement tap];
+    XCTAssertEqualObjects(userTrackingModeElement.value, @"Follow location and heading", @"User heading tracking mode should be on after tapping the user tracking mode button.");
+    
+    // Change to user course tracking mode.
+    [userTrackingModeElement tap];
+    XCTAssertEqualObjects(userTrackingModeElement.value, @"Follow course", @"Course tracking mode should be on after tapping the user tracking mode button.");
+    CGRect userPuckAnnotationFrame = userLocationAnnotationElement.frame;
+    XCTAssertGreaterThan(userPuckAnnotationFrame.size.width, userDotAnnotationFrame.size.width, @"User puck should be wider than a user dot.");
+    XCTAssertGreaterThan(userPuckAnnotationFrame.size.height, userDotAnnotationFrame.size.height, @"User puck should be taller than a user dot.");
+    
+    // Turn user tracking mode off.
+    [userTrackingModeElement tap];
+    XCTAssertEqualObjects(userTrackingModeElement.value, @"Off", @"Course tracking mode should be off after tapping the user tracking mode button.");
+}
+
+@end