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// 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 Flutter;
@import XCTest;
@import webview_flutter_wkwebview;
#import <OCMock/OCMock.h>
@interface FWFObjectHostApiTests : XCTestCase
@end
@implementation FWFObjectHostApiTests
/**
* Creates a partially mocked FWFObject and adds it to instanceManager.
*
* @param instanceManager Instance manager to add the delegate to.
* @param identifier Identifier for the delegate added to the instanceManager.
*
* @return A mock FWFObject.
*/
- (id)mockObjectWithManager:(FWFInstanceManager *)instanceManager identifier:(long)identifier {
FWFObject *object =
[[FWFObject alloc] initWithBinaryMessenger:OCMProtocolMock(@protocol(FlutterBinaryMessenger))
instanceManager:instanceManager];
[instanceManager addDartCreatedInstance:object withIdentifier:0];
return OCMPartialMock(object);
}
/**
* Creates a mock FWFObjectFlutterApiImpl with instanceManager.
*
* @param instanceManager Instance manager passed to the Flutter API.
*
* @return A mock FWFObjectFlutterApiImpl.
*/
- (id)mockFlutterApiWithManager:(FWFInstanceManager *)instanceManager {
FWFObjectFlutterApiImpl *flutterAPI = [[FWFObjectFlutterApiImpl alloc]
initWithBinaryMessenger:OCMProtocolMock(@protocol(FlutterBinaryMessenger))
instanceManager:instanceManager];
return OCMPartialMock(flutterAPI);
}
- (void)testAddObserver {
NSObject *mockObject = OCMClassMock([NSObject class]);
FWFInstanceManager *instanceManager = [[FWFInstanceManager alloc] init];
[instanceManager addDartCreatedInstance:mockObject withIdentifier:0];
FWFObjectHostApiImpl *hostAPI =
[[FWFObjectHostApiImpl alloc] initWithInstanceManager:instanceManager];
NSObject *observerObject = [[NSObject alloc] init];
[instanceManager addDartCreatedInstance:observerObject withIdentifier:1];
FlutterError *error;
[hostAPI
addObserverForObjectWithIdentifier:0
observerIdentifier:1
keyPath:@"myKey"
options:@[
[FWFNSKeyValueObservingOptionsEnumData
makeWithValue:FWFNSKeyValueObservingOptionsEnumOldValue],
[FWFNSKeyValueObservingOptionsEnumData
makeWithValue:FWFNSKeyValueObservingOptionsEnumNewValue]
]
error:&error];
OCMVerify([mockObject addObserver:observerObject
forKeyPath:@"myKey"
options:(NSKeyValueObservingOptionOld | NSKeyValueObservingOptionNew)
context:nil]);
XCTAssertNil(error);
}
- (void)testRemoveObserver {
NSObject *mockObject = OCMClassMock([NSObject class]);
FWFInstanceManager *instanceManager = [[FWFInstanceManager alloc] init];
[instanceManager addDartCreatedInstance:mockObject withIdentifier:0];
FWFObjectHostApiImpl *hostAPI =
[[FWFObjectHostApiImpl alloc] initWithInstanceManager:instanceManager];
NSObject *observerObject = [[NSObject alloc] init];
[instanceManager addDartCreatedInstance:observerObject withIdentifier:1];
FlutterError *error;
[hostAPI removeObserverForObjectWithIdentifier:0
observerIdentifier:1
keyPath:@"myKey"
error:&error];
OCMVerify([mockObject removeObserver:observerObject forKeyPath:@"myKey"]);
XCTAssertNil(error);
}
- (void)testDispose {
NSObject *object = [[NSObject alloc] init];
FWFInstanceManager *instanceManager = [[FWFInstanceManager alloc] init];
[instanceManager addDartCreatedInstance:object withIdentifier:0];
FWFObjectHostApiImpl *hostAPI =
[[FWFObjectHostApiImpl alloc] initWithInstanceManager:instanceManager];
FlutterError *error;
[hostAPI disposeObjectWithIdentifier:0 error:&error];
// Only the strong reference is removed, so the weak reference will remain until object is set to
// nil.
object = nil;
XCTAssertFalse([instanceManager containsInstance:object]);
XCTAssertNil(error);
}
- (void)testObserveValueForKeyPath {
FWFInstanceManager *instanceManager = [[FWFInstanceManager alloc] init];
FWFObject *mockObject = [self mockObjectWithManager:instanceManager identifier:0];
FWFObjectFlutterApiImpl *mockFlutterAPI = [self mockFlutterApiWithManager:instanceManager];
OCMStub([mockObject objectApi]).andReturn(mockFlutterAPI);
NSObject *object = [[NSObject alloc] init];
[instanceManager addDartCreatedInstance:object withIdentifier:1];
[mockObject observeValueForKeyPath:@"keyPath"
ofObject:object
change:@{NSKeyValueChangeOldKey : @"key"}
context:nil];
OCMVerify([mockFlutterAPI
observeValueForObjectWithIdentifier:0
keyPath:@"keyPath"
objectIdentifier:1
changeKeys:[OCMArg checkWithBlock:^BOOL(
NSArray<FWFNSKeyValueChangeKeyEnumData *>
*value) {
return value[0].value == FWFNSKeyValueChangeKeyEnumOldValue;
}]
changeValues:[OCMArg checkWithBlock:^BOOL(id value) {
FWFObjectOrIdentifier *object = (FWFObjectOrIdentifier *)value[0];
return !object.isIdentifier && [@"key" isEqual:object.value];
}]
completion:OCMOCK_ANY]);
}
- (void)testObserveValueForKeyPathWithIdentifier {
FWFInstanceManager *instanceManager = [[FWFInstanceManager alloc] init];
FWFObject *mockObject = [self mockObjectWithManager:instanceManager identifier:0];
FWFObjectFlutterApiImpl *mockFlutterAPI = [self mockFlutterApiWithManager:instanceManager];
OCMStub([mockObject objectApi]).andReturn(mockFlutterAPI);
NSObject *object = [[NSObject alloc] init];
[instanceManager addDartCreatedInstance:object withIdentifier:1];
NSObject *returnedObject = [[NSObject alloc] init];
[instanceManager addDartCreatedInstance:returnedObject withIdentifier:2];
[mockObject observeValueForKeyPath:@"keyPath"
ofObject:object
change:@{NSKeyValueChangeOldKey : returnedObject}
context:nil];
OCMVerify([mockFlutterAPI
observeValueForObjectWithIdentifier:0
keyPath:@"keyPath"
objectIdentifier:1
changeKeys:[OCMArg checkWithBlock:^BOOL(
NSArray<FWFNSKeyValueChangeKeyEnumData *>
*value) {
return value[0].value == FWFNSKeyValueChangeKeyEnumOldValue;
}]
changeValues:[OCMArg checkWithBlock:^BOOL(id value) {
FWFObjectOrIdentifier *object = (FWFObjectOrIdentifier *)value[0];
return object.isIdentifier && [@(2) isEqual:object.value];
}]
completion:OCMOCK_ANY]);
}
@end