added test for openURL

Author: gaaclarke

shell/platform/darwin/ios/BUILD.gn

@@ -206,6 +206,7 @@ shared_library("ios_test_flutter") {
     "//build/config:symbol_visibility_hidden",
   ]
   sources = [
+    "framework/Source/FlutterAppDelegateTest.mm",
     "framework/Source/FlutterBinaryMessengerRelayTest.mm",
     "framework/Source/FlutterDartProjectTest.mm",
     "framework/Source/FlutterEngineTest.mm",

shell/platform/darwin/ios/framework/Source/FlutterAppDelegate.mm

@@ -7,13 +7,18 @@
 #import "flutter/fml/logging.h"
 #import "flutter/shell/platform/darwin/ios/framework/Headers/FlutterPluginAppLifeCycleDelegate.h"
 #import "flutter/shell/platform/darwin/ios/framework/Headers/FlutterViewController.h"
+#import "flutter/shell/platform/darwin/ios/framework/Source/FlutterAppDelegate_Test.h"
 #import "flutter/shell/platform/darwin/ios/framework/Source/FlutterEngine_Internal.h"
 #import "flutter/shell/platform/darwin/ios/framework/Source/FlutterPluginAppLifeCycleDelegate_internal.h"
 
 static NSString* kUIBackgroundMode = @"UIBackgroundModes";
 static NSString* kRemoteNotificationCapabitiliy = @"remote-notification";
 static NSString* kBackgroundFetchCapatibility = @"fetch";
 
+@interface FlutterAppDelegate ()
+@property(nonatomic, copy) FlutterViewController* (^rootFlutterViewControllerGetter)(void);
+@end
+
 @implementation FlutterAppDelegate {
   FlutterPluginAppLifeCycleDelegate* _lifeCycleDelegate;
 }
@@ -27,6 +32,7 @@ - (instancetype)init {
 
 - (void)dealloc {
   [_lifeCycleDelegate release];
+  [_rootFlutterViewControllerGetter release];
   [super dealloc];
 }
 
@@ -43,6 +49,9 @@ - (BOOL)application:(UIApplication*)application
 // Returns the key window's rootViewController, if it's a FlutterViewController.
 // Otherwise, returns nil.
 - (FlutterViewController*)rootFlutterViewController {
+  if (_rootFlutterViewControllerGetter != nil) {
+    return _rootFlutterViewControllerGetter();
+  }
   UIViewController* rootViewController = _window.rootViewController;
   if ([rootViewController isKindOfClass:[FlutterViewController class]]) {
     return (FlutterViewController*)rootViewController;

shell/platform/darwin/ios/framework/Source/FlutterAppDelegateTest.mm

@@ -0,0 +1,41 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#import <OCMock/OCMock.h>
+#import <XCTest/XCTest.h>
+
+#import "flutter/shell/platform/darwin/ios/framework/Headers/FlutterAppDelegate.h"
+#import "flutter/shell/platform/darwin/ios/framework/Headers/FlutterEngine.h"
+#import "flutter/shell/platform/darwin/ios/framework/Headers/FlutterViewController.h"
+#import "flutter/shell/platform/darwin/ios/framework/Source/FlutterAppDelegate_Test.h"
+#import "flutter/shell/platform/darwin/ios/framework/Source/FlutterEngine_Test.h"
+
+FLUTTER_ASSERT_ARC
+
+@interface FlutterAppDelegateTest : XCTestCase
+@end
+
+@implementation FlutterAppDelegateTest
+
+- (void)testLaunchUrl {
+  FlutterAppDelegate* appDelegate = [[FlutterAppDelegate alloc] init];
+  FlutterViewController* viewController = OCMClassMock([FlutterViewController class]);
+  FlutterEngine* engine = OCMClassMock([FlutterEngine class]);
+  FlutterMethodChannel* navigationChannel = OCMClassMock([FlutterMethodChannel class]);
+  OCMStub([engine navigationChannel]).andReturn(navigationChannel);
+  OCMStub([viewController engine]).andReturn(engine);
+  OCMStub([engine waitForFirstFrame:3.0 callback:([OCMArg invokeBlockWithArgs:@(NO), nil])]);
+  appDelegate.rootFlutterViewControllerGetter = ^{
+    return viewController;
+  };
+  NSURL* url = [NSURL URLWithString:@"http://example.com"];
+  NSDictionary<UIApplicationOpenURLOptionsKey, id>* options = @{};
+  BOOL result = [appDelegate application:[UIApplication sharedApplication]
+                                 openURL:url
+                                 options:options];
+  XCTAssertTrue(result);
+  OCMVerify([navigationChannel invokeMethod:@"pushRoute" arguments:url.path]);
+}
+
+@end

shell/platform/darwin/ios/framework/Source/FlutterAppDelegate_Test.h

@@ -0,0 +1,6 @@
+
+@class FlutterViewController;
+
+@interface FlutterAppDelegate (Test)
+@property(nonatomic, copy) FlutterViewController* (^rootFlutterViewControllerGetter)(void);
+@end

shell/platform/darwin/ios/framework/Source/FlutterEngine_Test.h

@@ -4,6 +4,8 @@
 
 #import "flutter/shell/platform/darwin/ios/framework/Headers/FlutterEngine.h"
 
+@class FlutterBinaryMessengerRelay;
+
 // Category to add test-only visibility.
 @interface FlutterEngine (Test) <FlutterBinaryMessenger>
 - (void)setBinaryMessenger:(FlutterBinaryMessengerRelay*)binaryMessenger;