145 lines
3.8 KiB
Objective-C
145 lines
3.8 KiB
Objective-C
// Copyright 2004-present Facebook. All Rights Reserved.
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/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import <UIKit/UIKit.h>
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#import <XCTest/XCTest.h>
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#import <OCMock/OCMock.h>
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#import "RCTEventDispatcher.h"
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@interface RCTTestEvent : RCTBaseEvent
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@property (nonatomic, assign) BOOL canCoalesce;
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@end
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@implementation RCTTestEvent
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- (instancetype)initWithViewTag:(NSNumber *)viewTag eventName:(NSString *)eventName body:(NSDictionary *)body
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{
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if (self = [super initWithViewTag:viewTag eventName:eventName body:body]) {
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self.canCoalesce = YES;
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}
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return self;
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}
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+ (NSString *)moduleDotMethod
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{
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return @"RCTDeviceEventEmitter.emit";
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}
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@end
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@interface RCTEventDispatcherTests : XCTestCase
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@end
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@implementation RCTEventDispatcherTests
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{
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id _bridge;
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RCTEventDispatcher *_eventDispatcher;
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NSString *_eventName;
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NSDictionary *_body;
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RCTTestEvent *_testEvent;
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NSString *_JSMethod;
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}
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- (void)setUp
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{
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[super setUp];
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_bridge = [OCMockObject mockForClass:[RCTBridge class]];
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_eventDispatcher = [[RCTEventDispatcher alloc] init];
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((id<RCTBridgeModule>)_eventDispatcher).bridge = _bridge;
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_eventName = @"sampleEvent";
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_body = @{ @"foo": @"bar" };
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_testEvent = [[RCTTestEvent alloc] initWithViewTag:nil
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eventName:_eventName
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body:_body];
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_JSMethod = [[_testEvent class] moduleDotMethod];
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}
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- (void)testLegacyEventsAreImmediatelyDispatched
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{
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[[_bridge expect] enqueueJSCall:_JSMethod
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args:@[_eventName, _body]];
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[_eventDispatcher sendDeviceEventWithName:_eventName body:_body];
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[_bridge verify];
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}
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- (void)testNonCoalescingEventsAreImmediatelyDispatched
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{
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_testEvent.canCoalesce = NO;
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[[_bridge expect] enqueueJSCall:_JSMethod
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args:@[_eventName, _body]];
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[_eventDispatcher sendEvent:_testEvent];
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[_bridge verify];
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}
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- (void)testCoalescedEventShouldBeDispatchedOnFrameUpdate
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{
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[_eventDispatcher sendEvent:_testEvent];
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[[_bridge expect] enqueueJSCall:@"RCTDeviceEventEmitter.emit"
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args:@[_eventName, _body]];
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[(id<RCTFrameUpdateObserver>)_eventDispatcher didUpdateFrame:nil];
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[_bridge verify];
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}
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- (void)testBasicCoalescingReturnsLastEvent
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{
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RCTTestEvent *ignoredEvent = [[RCTTestEvent alloc] initWithViewTag:nil
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eventName:_eventName
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body:@{ @"other": @"body" }];
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[_eventDispatcher sendEvent:ignoredEvent];
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[_eventDispatcher sendEvent:_testEvent];
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[[_bridge expect] enqueueJSCall:@"RCTDeviceEventEmitter.emit"
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args:@[_eventName, _body]];
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[(id<RCTFrameUpdateObserver>)_eventDispatcher didUpdateFrame:nil];
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[_bridge verify];
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}
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- (void)testDifferentEventTypesDontCoalesce
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{
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NSString *firstEventName = @"firstEvent";
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RCTTestEvent *firstEvent = [[RCTTestEvent alloc] initWithViewTag:nil
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eventName:firstEventName
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body:_body];
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[_eventDispatcher sendEvent:firstEvent];
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[_eventDispatcher sendEvent:_testEvent];
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[[_bridge expect] enqueueJSCall:@"RCTDeviceEventEmitter.emit"
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args:@[firstEventName, _body]];
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[[_bridge expect] enqueueJSCall:@"RCTDeviceEventEmitter.emit"
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args:@[_eventName, _body]];
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[(id<RCTFrameUpdateObserver>)_eventDispatcher didUpdateFrame:nil];
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[_bridge verify];
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}
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@end
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