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/*
* 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 <XCTest/XCTest.h>
#import "FDevice.h"
#import "FirebaseCommunity/FIRDatabaseReference.h"
#import "FRepoManager.h"
#import "FIRDatabaseReference_Private.h"
#import "FIRDatabaseConfig_Private.h"
#import "SenTest+FWaiter.h"
#import "FTestHelpers.h"
@interface FDevice() {
FIRDatabaseConfig * config;
NSString *url;
BOOL isOnline;
BOOL disposed;
}
@end
@implementation FDevice
- (id)initOnline {
FIRDatabaseReference * ref = [FTestHelpers getRandomNode];
return [self initOnlineWithUrl:[ref description]];
}
- (id)initOffline {
FIRDatabaseReference * ref = [FTestHelpers getRandomNode];
return [self initOfflineWithUrl:[ref description]];
}
- (id)initOnlineWithUrl:(NSString *)firebaseUrl {
return [self initWithUrl:firebaseUrl andOnline:YES];
}
- (id)initOfflineWithUrl:(NSString *)firebaseUrl {
return [self initWithUrl:firebaseUrl andOnline:NO];
}
static NSUInteger deviceId = 0;
- (id)initWithUrl:(NSString *)firebaseUrl andOnline:(BOOL)online {
self = [super init];
if (self) {
config = [FIRDatabaseConfig configForName:[NSString stringWithFormat:@"device-%lu", deviceId++]];
config.persistenceEnabled = YES;
url = firebaseUrl;
isOnline = online;
}
return self;
}
- (void) dealloc
{
if (!self->disposed) {
[NSException raise:NSInternalInconsistencyException format:@"Forgot to dispose device"];
}
}
- (void) dispose {
// TODO: clear persistence
[FRepoManager disposeRepos:self->config];
self->disposed = YES;
}
- (void)goOffline {
isOnline = NO;
[FRepoManager interrupt:config];
}
- (void)goOnline {
isOnline = YES;
[FRepoManager resume:config];
}
- (void)restartOnline {
@autoreleasepool {
[FRepoManager disposeRepos:config];
isOnline = YES;
}
}
- (void)restartOffline {
@autoreleasepool {
[FRepoManager disposeRepos:config];
isOnline = NO;
}
}
// Waits for us to connect and then does an extra round-trip to make sure all initial state restoration is completely done.
- (void)waitForIdleUsingWaiter:(XCTest*)waiter {
[self do:^(FIRDatabaseReference *ref) {
__block BOOL connected = NO;
FIRDatabaseHandle handle = [[ref.root child:@".info/connected"] observeEventType:FIRDataEventTypeValue withBlock:^(FIRDataSnapshot *snapshot) {
connected = [snapshot.value boolValue];
}];
[waiter waitUntil:^BOOL { return connected; }];
[ref.root removeObserverWithHandle:handle];
// HACK: Do a deep setPriority (which we expect to fail because there's no data there) to do a no-op roundtrip.
__block BOOL done = NO;
[[ref.root child:@"ENTOHTNUHOE/ONTEHNUHTOE"] setPriority:@"blah" withCompletionBlock:^(NSError *error, FIRDatabaseReference *ref) {
done = YES;
}];
[waiter waitUntil:^BOOL { return done; }];
}];
}
- (void)do:(void (^)(FIRDatabaseReference *))action {
@autoreleasepool {
FIRDatabaseReference *ref = [[[[FIRDatabaseReference alloc] initWithConfig:self->config] database] referenceFromURL:self->url];
if (!isOnline) {
[FRepoManager interrupt:config];
}
action(ref);
}
}
@end
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