added tests to RNNViewController

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example/ios/exampleTests/RNNViewControllerTests.m

+//
+//  RNNViewControllerTests.m
+//  example
+//
+//  Created by Ran Greenberg on 26/12/2016.
+//  Copyright © 2016 Facebook. All rights reserved.
+//
+
+#import <XCTest/XCTest.h>
+#import "RCCManager.h"
+#import "RNNViewController.h"
+#import "MMDrawerController.h"
+
+#define COMMAND_SINGLE_SCREEN_APP               @"singleScreenApp"
+#define COMMAND_TAB_BASED_APP                   @"tabBasedApp"
+#define COMMAND_SINGLE_WITH_LEFT_SIDE_MENU      @"singleWithLeftSideMenu"
+#define COMMAND_SINGLE_WITH_RIGHT_SIDE_MENU     @"singleWithRightSideMenu"
+#define COMMAND_SINGLE_WITH_BOTH_SIDE_MENU      @"singleWithBothMenus"
+#define COMMAND_TAB_BASED_WITH_SIDE_MENT        @"tabBasedWithSideMenu"
+
+
+@interface RNNViewControllerTests : XCTestCase
+@property (nonatomic, strong) RCTBridge *bridge;
+@property (nonatomic, strong) NSDictionary *jsonCommands;
+@end
+
+@implementation RNNViewControllerTests
+
+- (void)setUp {
+  [super setUp];
+  // Put setup code here. This method is called before the invocation of each test method in the class.
+  self.bridge = [[RCCManager sharedInstance] getBridge];
+  self.jsonCommands = [self loadCommandsJsonAsDictionary];
+}
+
+- (void)tearDown {
+  // Put teardown code here. This method is called after the invocation of each test method in the class.
+  self.bridge = nil;
+  self.jsonCommands = nil;
+  [super tearDown];
+}
+
+-(NSDictionary*)loadCommandsJsonAsDictionary {
+  NSString *filePath = [[NSBundle mainBundle] pathForResource:@"commands" ofType:@"json"];
+  NSData *data = [NSData dataWithContentsOfFile:filePath];
+  NSDictionary *json = [NSJSONSerialization JSONObjectWithData:data options:kNilOptions error:nil];
+  return json;
+}
+
+- (void)testWrongSyntax {
+  
+  NSDictionary *layout = @{@"key": @"com.example.FirstTabScreen"};
+  id vc = [RNNViewController controllerWithLayout:layout bridge:self.bridge];
+  XCTAssertNil(vc);
+}
+
+-(void)testSingleScreenApp {
+  id vc = [RNNViewController controllerWithLayout:self.jsonCommands[COMMAND_SINGLE_SCREEN_APP] bridge:self.bridge];
+  XCTAssertTrue([vc isKindOfClass:[UINavigationController class]]);
+}
+
+-(void)testTabBasedApp {
+  id vc = [RNNViewController controllerWithLayout:self.jsonCommands[COMMAND_TAB_BASED_APP] bridge:self.bridge];
+  XCTAssertTrue([vc isKindOfClass:[UITabBarController class]]);
+  UITabBarController *tabsController = (UITabBarController*)vc;
+  for (id tab in tabsController.viewControllers) {
+    XCTAssertTrue([tab isKindOfClass:[UINavigationController class]]);
+  }
+}
+
+-(void)testSingleWithLeftSideMenu {
+  id vc = [RNNViewController controllerWithLayout:self.jsonCommands[COMMAND_SINGLE_WITH_LEFT_SIDE_MENU] bridge:self.bridge];
+  XCTAssertTrue([vc isKindOfClass:[MMDrawerController class]]);
+  MMDrawerController *sideMenuLeft = (MMDrawerController*)vc;
+  XCTAssertNotNil(sideMenuLeft.leftDrawerViewController);
+  XCTAssertNotNil(sideMenuLeft.centerViewController);
+  XCTAssertNil(sideMenuLeft.rightDrawerViewController);
+}
+
+-(void)testSingleWithRightSideMenu {
+  id vc = [RNNViewController controllerWithLayout:self.jsonCommands[COMMAND_SINGLE_WITH_RIGHT_SIDE_MENU] bridge:self.bridge];
+  XCTAssertTrue([vc isKindOfClass:[MMDrawerController class]]);
+  MMDrawerController *sideMenuRight = (MMDrawerController*)vc;
+  XCTAssertNil(sideMenuRight.leftDrawerViewController);
+  XCTAssertNotNil(sideMenuRight.centerViewController);
+  XCTAssertNotNil(sideMenuRight.rightDrawerViewController);
+
+}
+
+-(void)testSingleWithBothSideMenu {
+  id vc = [RNNViewController controllerWithLayout:self.jsonCommands[COMMAND_SINGLE_WITH_BOTH_SIDE_MENU] bridge:self.bridge];
+  XCTAssertTrue([vc isKindOfClass:[MMDrawerController class]]);
+  MMDrawerController *sideMenuBoth = (MMDrawerController*)vc;
+  XCTAssertNotNil(sideMenuBoth.leftDrawerViewController);
+  XCTAssertNotNil(sideMenuBoth.centerViewController);
+  XCTAssertNotNil(sideMenuBoth.rightDrawerViewController);
+}
+
+-(void)testTabBasedWithBothSideMenu {
+  id vc = [RNNViewController controllerWithLayout:self.jsonCommands[COMMAND_TAB_BASED_WITH_SIDE_MENT] bridge:self.bridge];
+  XCTAssertTrue([vc isKindOfClass:[MMDrawerController class]]);
+  MMDrawerController *sideMenuBothWithTabs = (MMDrawerController*)vc;
+  XCTAssertNotNil(sideMenuBothWithTabs.leftDrawerViewController);
+  XCTAssertNotNil(sideMenuBothWithTabs.centerViewController);
+  XCTAssertNotNil(sideMenuBothWithTabs.rightDrawerViewController);
+  XCTAssertTrue([sideMenuBothWithTabs.centerViewController isKindOfClass:[UITabBarController class]]);
+}
+//- (void)testPerformanceExample {
+//  // This is an example of a performance test case.
+//  [self measureBlock:^{
+//    // Put the code you want to measure the time of here.
+//  }];
+//}
+
+@end

example/ios/exampleTests/exampleTests.m

 #import <XCTest/XCTest.h>
 
 #import "RCTLog.h"
-#import "RCTRootView.h"
+
+
+
 
 #define TIMEOUT_SECONDS 240
 #define TEXT_TO_LOOK_FOR @"Welcome to React Native!"
 
 @implementation exampleTests
 
-- (BOOL)findSubviewInView:(UIView *)view matching:(BOOL(^)(UIView *view))test
-{
-  if (test(view)) {
-    return YES;
-  }
-  for (UIView *subview in [view subviews]) {
-    if ([self findSubviewInView:subview matching:test]) {
-      return YES;
-    }
-  }
-  return NO;
-}
-
-- (void)testRendersWelcomeScreen
-{
-  UIViewController *vc = [[[[UIApplication sharedApplication] delegate] window] rootViewController];
-  NSDate *date = [NSDate dateWithTimeIntervalSinceNow:TIMEOUT_SECONDS];
-  BOOL foundElement = NO;
-
-  __block NSString *redboxError = nil;
-  RCTSetLogFunction(^(RCTLogLevel level, RCTLogSource source, NSString *fileName, NSNumber *lineNumber, NSString *message) {
-    if (level >= RCTLogLevelError) {
-      redboxError = message;
-    }
-  });
-
-  while ([date timeIntervalSinceNow] > 0 && !foundElement && !redboxError) {
-    [[NSRunLoop mainRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate dateWithTimeIntervalSinceNow:0.1]];
-    [[NSRunLoop mainRunLoop] runMode:NSRunLoopCommonModes beforeDate:[NSDate dateWithTimeIntervalSinceNow:0.1]];
-
-    foundElement = [self findSubviewInView:vc.view matching:^BOOL(UIView *view) {
-      if ([view.accessibilityLabel isEqualToString:TEXT_TO_LOOK_FOR]) {
-        return YES;
-      }
-      return NO;
-    }];
-  }
-
-  RCTSetLogFunction(RCTDefaultLogFunction);
-
-  XCTAssertNil(redboxError, @"RedBox error: %@", redboxError);
-  XCTAssertTrue(foundElement, @"Couldn't find element with text '%@' in %d seconds", TEXT_TO_LOOK_FOR, TIMEOUT_SECONDS);
-}
 
 
 @end