Revert of Add unit tests for RTCMTLVideoView.

webrtc/sdk/objc/Framework/UnitTests/RTCMTLVideoViewTests.mm

Index: webrtc/sdk/objc/Framework/UnitTests/RTCMTLVideoViewTests.mm
diff --git a/webrtc/sdk/objc/Framework/UnitTests/RTCMTLVideoViewTests.mm b/webrtc/sdk/objc/Framework/UnitTests/RTCMTLVideoViewTests.mm
deleted file mode 100644
index 1d422eb09aa9b55e8a0b98414b30b9c605ea7e17..0000000000000000000000000000000000000000
--- a/webrtc/sdk/objc/Framework/UnitTests/RTCMTLVideoViewTests.mm
+++ /dev/null
@@ -1,168 +0,0 @@
-/*
- *  Copyright 2017 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#import <Foundation/Foundation.h>
-#import <OCMock/OCMock.h>
-
-#include "webrtc/base/gunit.h"
-
-#include <Metal/RTCMTLNV12Renderer.h>
-#include <WebRTC/RTCMTLVideoView.h>
-
-// Extension of RTCMTLVideoView for testing purposes.
-@interface RTCMTLVideoView (Testing)
-@property(nonatomic, strong) id<RTCMTLRenderer> renderer;
-@property(nonatomic, strong) UIView* metalView;
-@property(atomic, strong) RTCVideoFrame* videoFrame;
-
-+ (BOOL)isMetalAvailable;
-+ (UIView*)createMetalView:(CGRect)frame;
-+ (id<RTCMTLRenderer>)createMetalRenderer;
-- (void)drawInMTKView:(id)view;
-@end
-
-@interface RTCMTLVideoViewTests : NSObject
-@property(nonatomic, strong) id classMock;
-@property(nonatomic, strong) id metalViewMock;
-@property(nonatomic, strong) id rendererMock;
-@end
-
-@implementation RTCMTLVideoViewTests
-
-@synthesize classMock = _classMock;
-@synthesize metalViewMock = _metalViewMock;
-@synthesize rendererMock = _rendererMock;
-
-- (void)setup {
-  self.classMock = OCMClassMock([RTCMTLVideoView class]);
-
-  self.metalViewMock = OCMClassMock([RTCMTLVideoViewTests class]);
-  // NOTE: OCMock doesen't provide modern syntax for -ignoringNonObjectArgs.
-  [[[[self.classMock stub] ignoringNonObjectArgs] andReturn:self.metalViewMock]
-      createMetalView:CGRectZero];
-
-  self.rendererMock = OCMProtocolMock(@protocol(RTCMTLRenderer));
-  OCMStub([self.classMock createMetalRenderer]).andReturn(self.rendererMock);
-}
-
-- (void)tearDown {
-  [self.classMock stopMocking];
-  [self.rendererMock stopMocking];
-  [self.metalViewMock stopMocking];
-  self.classMock = nil;
-  self.rendererMock = nil;
-  self.metalViewMock = nil;
-}
-
-- (void)testMetalConfigureNotExecuted {
-  // when
-  OCMStub([self.classMock isMetalAvailable]).andReturn(NO);
-  RTCMTLVideoView *realView = [[RTCMTLVideoView alloc] init];
-
-  // then
-  EXPECT_TRUE(realView.renderer == nil);
-  EXPECT_TRUE(realView.metalView == nil);
-}
-
-- (void)testMetalConfigureExecuted {
-  // given
-  OCMStub([self.classMock isMetalAvailable]).andReturn(YES);
-  OCMStub([self.rendererMock addRenderingDestination:self.metalViewMock])
-      .andReturn(NO);
-
-  // when
-  RTCMTLVideoView *realView = [[RTCMTLVideoView alloc] init];
-
-  // then
-  EXPECT_TRUE(realView.renderer == nil);
-  EXPECT_TRUE(realView.metalView != nil);
-}
-
-- (void)testMetalDrawCallback {
-  // given
-  OCMStub([self.classMock isMetalAvailable]).andReturn(NO);
-  OCMExpect([self.rendererMock drawFrame:[OCMArg any]]);
-  RTCMTLVideoView *realView = [[RTCMTLVideoView alloc] init];
-  realView.metalView = self.metalViewMock;
-  realView.renderer = self.rendererMock;
-
-  // when
-  [realView drawInMTKView:self.metalViewMock];
-
-  // then
-  [self.rendererMock verify];
-}
-
-- (void)testRTCVideoRenderNilFrameCallback {
-  // given
-  OCMStub([self.classMock isMetalAvailable]).andReturn(NO);
-  RTCMTLVideoView *realView = [[RTCMTLVideoView alloc] init];
-
-  // when
-  [realView renderFrame:nil];
-
-  // then
-  EXPECT_TRUE(realView.videoFrame == nil);
-}
-
-- (void)testRTCVideoRenderFrameCallback {
-  // given
-  OCMStub([self.classMock isMetalAvailable]).andReturn(NO);
-  RTCMTLVideoView *realView = [[RTCMTLVideoView alloc] init];
-  id frame = OCMClassMock([RTCVideoFrame class]);
-  realView.metalView = self.metalViewMock;
-  realView.renderer = self.rendererMock;
-  OCMExpect([self.rendererMock drawFrame:frame]);
-
-  // when
-  [realView renderFrame:frame];
-  [realView drawInMTKView:self.metalViewMock];
-
-  // then
-  EXPECT_EQ(realView.videoFrame, frame);
-  [self.rendererMock verify];
-}
-@end
-
-TEST(RTCMTLVideoViewTests, MetalConfigureNotExecuted) {
-  RTCMTLVideoViewTests *test = [[RTCMTLVideoViewTests alloc] init];
-  [test setup];
-  [test testMetalConfigureNotExecuted];
-  [test tearDown];
-}
-
-
-TEST(RTCMTLVideoViewTests, MetalConfigureExecuted) {
-  RTCMTLVideoViewTests *test = [[RTCMTLVideoViewTests alloc] init];
-  [test setup];
-  [test testMetalConfigureExecuted];
-  [test tearDown];
-}
-
-TEST(RTCMTLVideoViewTests, MetalDrawCallback) {
-  RTCMTLVideoViewTests *test = [[RTCMTLVideoViewTests alloc] init];
-  [test setup];
-  [test testMetalDrawCallback];
-  [test tearDown];
-}
-
-TEST(RTCMTLVideoViewTests, RTCVideoRenderNilFrameCallback) {
-  RTCMTLVideoViewTests *test = [[RTCMTLVideoViewTests alloc] init];
-  [test setup];
-  [test testRTCVideoRenderNilFrameCallback];
-  [test tearDown];
-}
-
-TEST(RTCMTLVideoViewTests, RTCVideoRenderFrameCallback) {
-  RTCMTLVideoViewTests *test = [[RTCMTLVideoViewTests alloc] init];
-  [test setup];
-  [test testRTCVideoRenderFrameCallback];
-  [test tearDown];
-}