mirror of
https://github.com/firebase/firebase-ios-sdk
synced 2026-11-10 22:45:59 +05:45
122 lines
3.5 KiB
Plaintext
122 lines
3.5 KiB
Plaintext
/*
|
|
* Copyright 2017 Google
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#import "Firestore/Example/Tests/Util/FSTEventAccumulator.h"
|
|
|
|
#import <XCTest/XCTest.h>
|
|
|
|
#import "Firestore/Example/Tests/Util/XCTestCase+Await.h"
|
|
#import "Firestore/Source/Public/FirebaseFirestore/FIRDocumentSnapshot.h"
|
|
#import "Firestore/Source/Public/FirebaseFirestore/FIRQuerySnapshot.h"
|
|
#import "Firestore/Source/Public/FirebaseFirestore/FIRSnapshotMetadata.h"
|
|
|
|
#include "Firestore/core/src/util/hard_assert.h"
|
|
|
|
NS_ASSUME_NONNULL_BEGIN
|
|
|
|
@interface FSTEventAccumulator ()
|
|
- (instancetype)initForTest:(XCTestCase *)testCase NS_DESIGNATED_INITIALIZER;
|
|
|
|
@property(nonatomic, weak, readonly) XCTestCase *testCase;
|
|
|
|
@property(nonatomic, assign) NSUInteger maxEvents;
|
|
@property(nonatomic, strong, nullable) XCTestExpectation *expectation;
|
|
@end
|
|
|
|
@implementation FSTEventAccumulator {
|
|
NSMutableArray<id> *_events;
|
|
}
|
|
|
|
+ (instancetype)accumulatorForTest:(XCTestCase *)testCase {
|
|
return [[FSTEventAccumulator alloc] initForTest:testCase];
|
|
}
|
|
|
|
- (instancetype)initForTest:(XCTestCase *)testCase {
|
|
if (self = [super init]) {
|
|
_testCase = testCase;
|
|
_events = [NSMutableArray array];
|
|
}
|
|
return self;
|
|
}
|
|
|
|
- (NSArray<id> *)awaitEvents:(NSUInteger)events name:(NSString *)name {
|
|
@synchronized(self) {
|
|
HARD_ASSERT(!self.expectation, "Existing expectation still pending?");
|
|
self.expectation = [self.testCase expectationWithDescription:name];
|
|
self.maxEvents = self.maxEvents + events;
|
|
[self checkFulfilled];
|
|
}
|
|
|
|
// Don't await within @synchronized block to avoid deadlocking.
|
|
[self.testCase awaitExpectations];
|
|
|
|
return [_events subarrayWithRange:NSMakeRange(self.maxEvents - events, events)];
|
|
}
|
|
|
|
- (id)awaitEventWithName:(NSString *)name {
|
|
NSArray<id> *events = [self awaitEvents:1 name:name];
|
|
return events[0];
|
|
}
|
|
|
|
- (id)awaitLocalEvent {
|
|
id event;
|
|
do {
|
|
event = [self awaitEventWithName:@"Local Event"];
|
|
} while (![self hasPendingWrites:event]);
|
|
return event;
|
|
}
|
|
|
|
- (id)awaitRemoteEvent {
|
|
id event;
|
|
do {
|
|
event = [self awaitEventWithName:@"Remote Event"];
|
|
} while ([self hasPendingWrites:event]);
|
|
return event;
|
|
}
|
|
|
|
- (BOOL)hasPendingWrites:(id)event {
|
|
if ([event isKindOfClass:[FIRDocumentSnapshot class]]) {
|
|
return ((FIRDocumentSnapshot *)event).metadata.hasPendingWrites;
|
|
} else {
|
|
HARD_ASSERT([event isKindOfClass:[FIRQuerySnapshot class]], "Unexpected event: %s", event);
|
|
return ((FIRQuerySnapshot *)event).metadata.hasPendingWrites;
|
|
}
|
|
}
|
|
|
|
- (void (^)(id _Nullable, NSError *_Nullable))valueEventHandler {
|
|
return ^void(id _Nullable value, NSError *) {
|
|
// We can't store nil in the _events array, but these are still interesting to tests so store
|
|
// NSNull instead.
|
|
id event = value ? value : [NSNull null];
|
|
|
|
@synchronized(self) {
|
|
[self->_events addObject:event];
|
|
[self checkFulfilled];
|
|
}
|
|
};
|
|
}
|
|
|
|
- (void)checkFulfilled {
|
|
if (_events.count >= self.maxEvents) {
|
|
[self.expectation fulfill];
|
|
self.expectation = nil;
|
|
}
|
|
}
|
|
|
|
@end
|
|
|
|
NS_ASSUME_NONNULL_END
|