react-native/RNTester/RCTTest/RCTTestModule.mm

/*
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

#import "RCTTestModule.h"

#import <React/RCTAssert.h>
#import <React/RCTEventDispatcher.h>
#import <React/RCTLog.h>
#import <React/RCTUIManager.h>
#import <ReactCommon/RCTTurboModule.h>

#import "FBSnapshotTestController.h"

#import "RCTTestPlugins.h"

@protocol NativeTestModuleSpec <RCTBridgeModule, RCTTurboModule>

- (void)markTestCompleted;
- (void)markTestPassed:(BOOL)success;
- (void)verifySnapshot:(RCTResponseSenderBlock)callback;

@end

namespace facebook {
  namespace react {
    /**
     * ObjC++ class for module 'TestModule'
     */

    class JSI_EXPORT NativeTestModuleSpecJSI : public ObjCTurboModule {
    public:
      NativeTestModuleSpecJSI(const ObjCTurboModule::InitParams &params);

    };
  } // namespace react
} // namespace facebook

namespace facebook {
  namespace react {


  static facebook::jsi::Value __hostFunction_NativeTestModuleSpecJSI_markTestCompleted(facebook::jsi::Runtime& rt, TurboModule &turboModule, const facebook::jsi::Value* args, size_t count) {
    return static_cast<ObjCTurboModule&>(turboModule).invokeObjCMethod(rt, VoidKind, "markTestCompleted", @selector(markTestCompleted), args, count);
  }

  static facebook::jsi::Value __hostFunction_NativeTestModuleSpecJSI_markTestPassed(facebook::jsi::Runtime& rt, TurboModule &turboModule, const facebook::jsi::Value* args, size_t count) {
    return static_cast<ObjCTurboModule&>(turboModule).invokeObjCMethod(rt, VoidKind, "markTestPassed", @selector(markTestPassed:), args, count);
  }

  static facebook::jsi::Value __hostFunction_NativeTestModuleSpecJSI_verifySnapshot(facebook::jsi::Runtime& rt, TurboModule &turboModule, const facebook::jsi::Value* args, size_t count) {
    return static_cast<ObjCTurboModule&>(turboModule).invokeObjCMethod(rt, VoidKind, "verifySnapshot", @selector(verifySnapshot:), args, count);
  }


  NativeTestModuleSpecJSI::NativeTestModuleSpecJSI(const ObjCTurboModule::InitParams &params)
    : ObjCTurboModule(params) {

      methodMap_["markTestCompleted"] = MethodMetadata {0, __hostFunction_NativeTestModuleSpecJSI_markTestCompleted};


      methodMap_["markTestPassed"] = MethodMetadata {1, __hostFunction_NativeTestModuleSpecJSI_markTestPassed};


      methodMap_["verifySnapshot"] = MethodMetadata {1, __hostFunction_NativeTestModuleSpecJSI_verifySnapshot};
  }

  } // namespace react
} // namespace facebook

@interface RCTTestModule() <NativeTestModuleSpec>
@end

@implementation RCTTestModule {
  NSMutableDictionary<NSString *, NSNumber *> *_snapshotCounter;
}

@synthesize bridge = _bridge;

RCT_EXPORT_MODULE()

- (dispatch_queue_t)methodQueue
{
  return _bridge.uiManager.methodQueue;
}

RCT_EXPORT_METHOD(verifySnapshot:(RCTResponseSenderBlock)callback)
{
  RCTAssert(_controller != nil, @"No snapshot controller configured.");

  [_bridge.uiManager addUIBlock:^(RCTUIManager *uiManager, NSDictionary<NSNumber *, UIView *> *viewRegistry) {
    NSString *testName = NSStringFromSelector(self->_testSelector);
    if (!self->_snapshotCounter) {
      self->_snapshotCounter = [NSMutableDictionary new];
    }

    NSNumber *counter = @([self->_snapshotCounter[testName] integerValue] + 1);
    self->_snapshotCounter[testName] = counter;

    NSError *error = nil;
    NSString *identifier = [counter stringValue];
    if (self->_testSuffix) {
      identifier = [identifier stringByAppendingString:self->_testSuffix];
    }
    BOOL success = [self->_controller compareSnapshotOfView:self->_view
                                                   selector:self->_testSelector
                                                 identifier:identifier
                                                      error:&error];
    if (!success) {
      RCTLogInfo(@"Failed to verify snapshot %@ (error: %@)", identifier, error);
    }
    callback(@[@(success)]);
  }];
}

RCT_EXPORT_METHOD(sendAppEvent:(NSString *)name body:(nullable id)body)
{
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
  [_bridge.eventDispatcher sendAppEventWithName:name body:body];
#pragma clang diagnostic pop
}

RCT_REMAP_METHOD(shouldResolve, shouldResolve_resolve:(RCTPromiseResolveBlock)resolve reject:(RCTPromiseRejectBlock)reject)
{
  resolve(@1);
}

RCT_REMAP_METHOD(shouldReject, shouldReject_resolve:(RCTPromiseResolveBlock)resolve reject:(RCTPromiseRejectBlock)reject)
{
  reject(nil, nil, nil);
}

RCT_EXPORT_METHOD(markTestCompleted)
{
  [self markTestPassed:YES];
}

RCT_EXPORT_METHOD(markTestPassed:(BOOL)success)
{
  [_bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, __unused NSDictionary<NSNumber *, UIView *> *viewRegistry) {
    self->_status = success ? RCTTestStatusPassed : RCTTestStatusFailed;
  }];
}

- (std::shared_ptr<facebook::react::TurboModule>)getTurboModule:(const facebook::react::ObjCTurboModule::InitParams &)params
{
  return std::make_shared<facebook::react::NativeTestModuleSpecJSI>(params);
}

@end

Class RCTTestModuleCls(void) {
  return RCTTestModule.class;
}