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[Camera] Return all possible cameras on iOS (flutter#5636)
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121 changes: 121 additions & 0 deletions
121
packages/camera/camera/example/ios/RunnerTests/AvailableCamerasTest.m
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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. | ||
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| @import camera; | ||
| @import camera.Test; | ||
| @import XCTest; | ||
| @import AVFoundation; | ||
| #import <OCMock/OCMock.h> | ||
| #import "MockFLTThreadSafeFlutterResult.h" | ||
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| @interface AvailableCamerasTest : XCTestCase | ||
| @end | ||
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| @implementation AvailableCamerasTest | ||
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| - (void)testAvailableCamerasShouldReturnAllCamerasOnMultiCameraIPhone { | ||
| CameraPlugin *camera = [[CameraPlugin alloc] initWithRegistry:nil messenger:nil]; | ||
| XCTestExpectation *expectation = | ||
| [[XCTestExpectation alloc] initWithDescription:@"Result finished"]; | ||
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| // iPhone 13 Cameras: | ||
| AVCaptureDevice *wideAngleCamera = OCMClassMock([AVCaptureDevice class]); | ||
| OCMStub([wideAngleCamera uniqueID]).andReturn(@"0"); | ||
| OCMStub([wideAngleCamera position]).andReturn(AVCaptureDevicePositionBack); | ||
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| AVCaptureDevice *frontFacingCamera = OCMClassMock([AVCaptureDevice class]); | ||
| OCMStub([frontFacingCamera uniqueID]).andReturn(@"1"); | ||
| OCMStub([frontFacingCamera position]).andReturn(AVCaptureDevicePositionFront); | ||
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| AVCaptureDevice *ultraWideCamera = OCMClassMock([AVCaptureDevice class]); | ||
| OCMStub([ultraWideCamera uniqueID]).andReturn(@"2"); | ||
| OCMStub([ultraWideCamera position]).andReturn(AVCaptureDevicePositionBack); | ||
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| AVCaptureDevice *telephotoCamera = OCMClassMock([AVCaptureDevice class]); | ||
| OCMStub([telephotoCamera uniqueID]).andReturn(@"3"); | ||
| OCMStub([telephotoCamera position]).andReturn(AVCaptureDevicePositionBack); | ||
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| NSMutableArray *requiredTypes = | ||
| [@[ AVCaptureDeviceTypeBuiltInWideAngleCamera, AVCaptureDeviceTypeBuiltInTelephotoCamera ] | ||
| mutableCopy]; | ||
| if (@available(iOS 13.0, *)) { | ||
| [requiredTypes addObject:AVCaptureDeviceTypeBuiltInUltraWideCamera]; | ||
| } | ||
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| id discoverySessionMock = OCMClassMock([AVCaptureDeviceDiscoverySession class]); | ||
| OCMStub([discoverySessionMock discoverySessionWithDeviceTypes:requiredTypes | ||
| mediaType:AVMediaTypeVideo | ||
| position:AVCaptureDevicePositionUnspecified]) | ||
| .andReturn(discoverySessionMock); | ||
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| NSMutableArray *cameras = [NSMutableArray array]; | ||
| [cameras addObjectsFromArray:@[ wideAngleCamera, frontFacingCamera, telephotoCamera ]]; | ||
| if (@available(iOS 13.0, *)) { | ||
| [cameras addObject:ultraWideCamera]; | ||
| } | ||
| OCMStub([discoverySessionMock devices]).andReturn([NSArray arrayWithArray:cameras]); | ||
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| MockFLTThreadSafeFlutterResult *resultObject = | ||
| [[MockFLTThreadSafeFlutterResult alloc] initWithExpectation:expectation]; | ||
|
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| // Set up method call | ||
| FlutterMethodCall *call = [FlutterMethodCall methodCallWithMethodName:@"availableCameras" | ||
| arguments:nil]; | ||
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| [camera handleMethodCallAsync:call result:resultObject]; | ||
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| // Verify the result | ||
| NSDictionary *dictionaryResult = (NSDictionary *)resultObject.receivedResult; | ||
| if (@available(iOS 13.0, *)) { | ||
| XCTAssertTrue([dictionaryResult count] == 4); | ||
| } else { | ||
| XCTAssertTrue([dictionaryResult count] == 3); | ||
| } | ||
| } | ||
| - (void)testAvailableCamerasShouldReturnOneCameraOnSingleCameraIPhone { | ||
| CameraPlugin *camera = [[CameraPlugin alloc] initWithRegistry:nil messenger:nil]; | ||
| XCTestExpectation *expectation = | ||
| [[XCTestExpectation alloc] initWithDescription:@"Result finished"]; | ||
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| // iPhone 8 Cameras: | ||
| AVCaptureDevice *wideAngleCamera = OCMClassMock([AVCaptureDevice class]); | ||
| OCMStub([wideAngleCamera uniqueID]).andReturn(@"0"); | ||
| OCMStub([wideAngleCamera position]).andReturn(AVCaptureDevicePositionBack); | ||
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| AVCaptureDevice *frontFacingCamera = OCMClassMock([AVCaptureDevice class]); | ||
| OCMStub([frontFacingCamera uniqueID]).andReturn(@"1"); | ||
| OCMStub([frontFacingCamera position]).andReturn(AVCaptureDevicePositionFront); | ||
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| NSMutableArray *requiredTypes = | ||
| [@[ AVCaptureDeviceTypeBuiltInWideAngleCamera, AVCaptureDeviceTypeBuiltInTelephotoCamera ] | ||
| mutableCopy]; | ||
| if (@available(iOS 13.0, *)) { | ||
| [requiredTypes addObject:AVCaptureDeviceTypeBuiltInUltraWideCamera]; | ||
| } | ||
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| id discoverySessionMock = OCMClassMock([AVCaptureDeviceDiscoverySession class]); | ||
| OCMStub([discoverySessionMock discoverySessionWithDeviceTypes:requiredTypes | ||
| mediaType:AVMediaTypeVideo | ||
| position:AVCaptureDevicePositionUnspecified]) | ||
| .andReturn(discoverySessionMock); | ||
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| NSMutableArray *cameras = [NSMutableArray array]; | ||
| [cameras addObjectsFromArray:@[ wideAngleCamera, frontFacingCamera ]]; | ||
| OCMStub([discoverySessionMock devices]).andReturn([NSArray arrayWithArray:cameras]); | ||
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| MockFLTThreadSafeFlutterResult *resultObject = | ||
| [[MockFLTThreadSafeFlutterResult alloc] initWithExpectation:expectation]; | ||
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| // Set up method call | ||
| FlutterMethodCall *call = [FlutterMethodCall methodCallWithMethodName:@"availableCameras" | ||
| arguments:nil]; | ||
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| [camera handleMethodCallAsync:call result:resultObject]; | ||
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| // Verify the result | ||
| NSDictionary *dictionaryResult = (NSDictionary *)resultObject.receivedResult; | ||
| XCTAssertTrue([dictionaryResult count] == 2); | ||
| } | ||
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| @end |
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