Move iOS tests to XCTest from gtest.
This enables tighter integration with XCode tooling and is a prereq
for adding UI tests.
BUG=webrtc:7150
Review-Url: https://codereview.webrtc.org/2697603002
Cr-Commit-Position: refs/heads/master@{#16609}
diff --git a/webrtc/examples/BUILD.gn b/webrtc/examples/BUILD.gn
index 59842fc..1eca317 100644
--- a/webrtc/examples/BUILD.gn
+++ b/webrtc/examples/BUILD.gn
@@ -433,32 +433,38 @@
}
if (rtc_include_tests) {
- config("rtc_apprtcmobile_config") {
- defines = [ "GTEST_RELATIVE_PATH" ]
- }
-
- rtc_test("apprtcmobile_tests") {
- include_dirs = [ "objc/AppRTCMobile/ios" ]
- deps = [
- ":AppRTCMobile_lib",
- ":apprtc_signaling",
- "//testing/gtest",
- "//third_party/ocmock",
- ]
-
- sources = [
- "objc/AppRTCMobile/tests/ARDAppClientTest.mm",
- "objc/AppRTCMobile/tests/ARDSettingsModelTests.mm",
- ]
-
- if (is_ios) {
- info_plist = "objc/AppRTCMobile/ios/Info.plist"
+ # TODO(kthelgason): compile xctests on mac when chromium supports it.
+ if (is_ios) {
+ rtc_source_set("apprtcmobile_test_sources") {
+ include_dirs = [
+ "objc/AppRTCMobile",
+ "objc/AppRTCMobile/ios",
+ ]
+ testonly = true
+ sources = [
+ "objc/AppRTCMobile/tests/ARDAppClient_xctest.mm",
+ "objc/AppRTCMobile/tests/ARDSDPUtils_xctest.mm",
+ "objc/AppRTCMobile/tests/ARDSettingsModel_xctest.mm",
+ ]
+ public_deps = [
+ ":AppRTCMobile_ios_frameworks",
+ ":AppRTCMobile_lib",
+ "//build/config/ios:xctest",
+ "//third_party/ocmock",
+ ]
+ configs += [ "//build/config/compiler:enable_arc" ]
}
- configs += [
- ":rtc_apprtcmobile_config",
- "//build/config/compiler:enable_arc",
- ]
+ rtc_ios_xctest_test("apprtcmobile_tests") {
+ info_plist = "objc/AppRTCMobile/ios/Info.plist"
+ sources = [
+ "objc/AppRTCMobile/ios/main.m",
+ ]
+ deps = [
+ ":apprtcmobile_test_sources",
+ ]
+ ldflags = [ "-all_load" ]
+ }
}
}
}
diff --git a/webrtc/examples/objc/AppRTCMobile/tests/ARDAppClientTest.mm b/webrtc/examples/objc/AppRTCMobile/tests/ARDAppClient_xctest.mm
similarity index 63%
rename from webrtc/examples/objc/AppRTCMobile/tests/ARDAppClientTest.mm
rename to webrtc/examples/objc/AppRTCMobile/tests/ARDAppClient_xctest.mm
index b206925..c2cd9e3 100644
--- a/webrtc/examples/objc/AppRTCMobile/tests/ARDAppClientTest.mm
+++ b/webrtc/examples/objc/AppRTCMobile/tests/ARDAppClient_xctest.mm
@@ -11,108 +11,19 @@
#import <Foundation/Foundation.h>
#import <OCMock/OCMock.h>
#import <QuartzCore/CoreAnimation.h>
+#import <XCTest/XCTest.h>
-#include "webrtc/base/gunit.h"
#include "webrtc/base/ssladapter.h"
#import "WebRTC/RTCMediaConstraints.h"
#import "WebRTC/RTCPeerConnectionFactory.h"
-#import "WebRTC/RTCSessionDescription.h"
#import "ARDAppClient+Internal.h"
#import "ARDJoinResponse+Internal.h"
#import "ARDMessageResponse+Internal.h"
#import "ARDSDPUtils.h"
-static NSString *kARDAppClientTestsDomain = @"org.webrtc.ARDAppClientTests";
-static NSInteger kARDAppClientTestsExpectationTimeoutError = 100;
-
-// These classes mimic XCTest APIs, to make eventual conversion to XCTest
-// easier. Conversion will happen once XCTest is supported well on build bots.
-@interface ARDTestExpectation : NSObject
-
-@property(nonatomic, readonly) NSString *description;
-@property(nonatomic, readonly) BOOL isFulfilled;
-
-- (instancetype)initWithDescription:(NSString *)description;
-- (void)fulfill;
-
-@end
-
-@implementation ARDTestExpectation
-
-@synthesize description = _description;
-@synthesize isFulfilled = _isFulfilled;
-
-- (instancetype)initWithDescription:(NSString *)description {
- if (self = [super init]) {
- _description = description;
- }
- return self;
-}
-
-- (void)fulfill {
- _isFulfilled = YES;
-}
-
-@end
-
-@interface ARDTestCase : NSObject
-
-- (ARDTestExpectation *)expectationWithDescription:(NSString *)description;
-- (void)waitForExpectationsWithTimeout:(NSTimeInterval)timeout
- handler:(void (^)(NSError *error))handler;
-
-@end
-
-@implementation ARDTestCase {
- NSMutableArray *_expectations;
-}
-
-- (instancetype)init {
- if (self = [super init]) {
- _expectations = [NSMutableArray array];
- }
- return self;
-}
-
-- (ARDTestExpectation *)expectationWithDescription:(NSString *)description {
- ARDTestExpectation *expectation =
- [[ARDTestExpectation alloc] initWithDescription:description];
- [_expectations addObject:expectation];
- return expectation;
-}
-
-- (void)waitForExpectationsWithTimeout:(NSTimeInterval)timeout
- handler:(void (^)(NSError *error))handler {
- CFTimeInterval startTime = CACurrentMediaTime();
- NSError *error = nil;
- while (![self areExpectationsFulfilled]) {
- CFTimeInterval duration = CACurrentMediaTime() - startTime;
- if (duration > timeout) {
- error = [NSError errorWithDomain:kARDAppClientTestsDomain
- code:kARDAppClientTestsExpectationTimeoutError
- userInfo:@{}];
- break;
- }
- [[NSRunLoop currentRunLoop]
- runUntilDate:[NSDate dateWithTimeIntervalSinceNow:1]];
- }
- handler(error);
-}
-
-- (BOOL)areExpectationsFulfilled {
- for (ARDTestExpectation *expectation in _expectations) {
- if (!expectation.isFulfilled) {
- return NO;
- }
- }
- return YES;
-}
-
-@end
-
-@interface ARDAppClientTest : ARDTestCase
+@interface ARDAppClientTest : XCTestCase
@end
@implementation ARDAppClientTest
@@ -255,9 +166,9 @@
NSString *callerId = @"testCallerId";
NSString *answererId = @"testAnswererId";
- ARDTestExpectation *callerConnectionExpectation =
+ XCTestExpectation *callerConnectionExpectation =
[self expectationWithDescription:@"Caller PC connected."];
- ARDTestExpectation *answererConnectionExpectation =
+ XCTestExpectation *answererConnectionExpectation =
[self expectationWithDescription:@"Answerer PC connected."];
caller = [self createAppClientForRoomId:roomId
@@ -309,7 +220,7 @@
shouldUseLevelControl:NO];
[self waitForExpectationsWithTimeout:20 handler:^(NSError *error) {
if (error) {
- EXPECT_TRUE(0);
+ XCTFail(@"Expectation failed with error %@.", error);
}
}];
}
@@ -317,23 +228,22 @@
// Test to see that we get a local video connection
// Note this will currently pass even when no camera is connected as a local
// video track is created regardless (Perhaps there should be a test for that...)
+#if !TARGET_IPHONE_SIMULATOR // Expect to fail on simulator due to no camera support
- (void)testSessionShouldGetLocalVideoTrackCallback {
ARDAppClient *caller = nil;
NSString *roomId = @"testRoom";
NSString *callerId = @"testCallerId";
- ARDTestExpectation *localVideoTrackExpectation =
+ XCTestExpectation *localVideoTrackExpectation =
[self expectationWithDescription:@"Caller got local video."];
caller = [self createAppClientForRoomId:roomId
clientId:callerId
isInitiator:YES
messages:[NSArray array]
- messageHandler:^(ARDSignalingMessage *message) {
- } connectedHandler:^{
- } localVideoTrackHandler:^{
- [localVideoTrackExpectation fulfill];
- }];
+ messageHandler:^(ARDSignalingMessage *message) {}
+ connectedHandler:^{}
+ localVideoTrackHandler:^{ [localVideoTrackExpectation fulfill]; }];
caller.defaultPeerConnectionConstraints =
[[RTCMediaConstraints alloc] initWithMandatoryConstraints:nil
optionalConstraints:nil];
@@ -346,112 +256,10 @@
shouldUseLevelControl:NO];
[self waitForExpectationsWithTimeout:20 handler:^(NSError *error) {
if (error) {
- EXPECT_TRUE(0);
+ XCTFail("Expectation timed out with error: %@.", error);
}
}];
}
-
-@end
-
-@interface ARDSDPUtilsTest : ARDTestCase
-- (void)testPreferVideoCodec:(NSString *)codec
- sdp:(NSString *)sdp
- expectedSdp:(NSString *)expectedSdp;
-@end
-
-@implementation ARDSDPUtilsTest
-
-- (void)testPreferVideoCodec:(NSString *)codec
- sdp:(NSString *)sdp
- expectedSdp:(NSString *)expectedSdp {
- RTCSessionDescription* desc =
- [[RTCSessionDescription alloc] initWithType:RTCSdpTypeOffer sdp:sdp];
- RTCSessionDescription *outputDesc =
- [ARDSDPUtils descriptionForDescription:desc
- preferredVideoCodec:codec];
- EXPECT_TRUE([outputDesc.description rangeOfString:expectedSdp].location !=
- NSNotFound);
-}
-
-@end
-
-class SignalingTest : public ::testing::Test {
- protected:
- static void SetUpTestCase() {
- rtc::InitializeSSL();
- }
- static void TearDownTestCase() {
- rtc::CleanupSSL();
- }
-};
-
-TEST_F(SignalingTest, SessionTest) {
- @autoreleasepool {
- ARDAppClientTest *test = [[ARDAppClientTest alloc] init];
- [test testSession];
- }
-}
-
-#if !TARGET_IPHONE_SIMULATOR
-// Expected fail on iOS Simulator due to no camera support
-TEST_F(SignalingTest, SessionLocalVideoCallbackTest) {
- @autoreleasepool {
- ARDAppClientTest *test = [[ARDAppClientTest alloc] init];
- [test testSessionShouldGetLocalVideoTrackCallback];
- }
-}
#endif
-TEST_F(SignalingTest, SdpH264Test) {
- @autoreleasepool {
- ARDSDPUtilsTest *test = [[ARDSDPUtilsTest alloc] init];
- NSString *sdp = @("m=video 9 RTP/SAVPF 100 116 117 96 120 97\n"
- "a=rtpmap:120 H264/90000\n"
- "a=rtpmap:97 H264/90000\n");
- NSString *expectedSdp = @("m=video 9 RTP/SAVPF 120 97 100 116 117 96\n"
- "a=rtpmap:120 H264/90000\n"
- "a=rtpmap:97 H264/90000\n");
- [test testPreferVideoCodec:@"H264"
- sdp:sdp
- expectedSdp:expectedSdp];
- }
-}
-
-TEST_F(SignalingTest, SdpVp8Test) {
- @autoreleasepool {
- ARDSDPUtilsTest *test = [[ARDSDPUtilsTest alloc] init];
- NSString *sdp = @("m=video 9 RTP/SAVPF 100 116 117 96 120 97\n"
- "a=rtpmap:116 VP8/90000\n");
- NSString *expectedSdp = @("m=video 9 RTP/SAVPF 116 100 117 96 120 97\n"
- "a=rtpmap:116 VP8/90000\n");
- [test testPreferVideoCodec:@"VP8"
- sdp:sdp
- expectedSdp:expectedSdp];
- }
-}
-
-TEST_F(SignalingTest, SdpNoMLineTest) {
- @autoreleasepool {
- ARDSDPUtilsTest *test = [[ARDSDPUtilsTest alloc] init];
- NSString *sdp = @("a=rtpmap:116 VP8/90000\n");
- [test testPreferVideoCodec:@"VP8"
- sdp:sdp
- expectedSdp:sdp];
- }
-}
-
-TEST_F(SignalingTest, SdpMissingCodecTest) {
- @autoreleasepool {
- ARDSDPUtilsTest *test = [[ARDSDPUtilsTest alloc] init];
- NSString *sdp = @("m=video 9 RTP/SAVPF 100 116 117 96 120 97\n"
- "a=rtpmap:116 VP8/90000\n");
- [test testPreferVideoCodec:@"foo"
- sdp:sdp
- expectedSdp:sdp];
- }
-}
-
-int main(int argc, char **argv) {
- ::testing::InitGoogleTest(&argc, argv);
- return RUN_ALL_TESTS();
-}
+@end
diff --git a/webrtc/examples/objc/AppRTCMobile/tests/ARDSDPUtils_xctest.mm b/webrtc/examples/objc/AppRTCMobile/tests/ARDSDPUtils_xctest.mm
new file mode 100644
index 0000000..b58048f
--- /dev/null
+++ b/webrtc/examples/objc/AppRTCMobile/tests/ARDSDPUtils_xctest.mm
@@ -0,0 +1,64 @@
+/*
+ * 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 <XCTest/XCTest.h>
+
+#import "WebRTC/RTCSessionDescription.h"
+
+#import "ARDSDPUtils.h"
+
+@interface ARDSDPUtilsTest : XCTestCase
+@end
+
+@implementation ARDSDPUtilsTest
+
+- (void)testPreferVideoCodecH264 {
+ NSString *sdp = @("m=video 9 RTP/SAVPF 100 116 117 96 120 97\n"
+ "a=rtpmap:120 H264/90000\n"
+ "a=rtpmap:97 H264/90000\n");
+ NSString *expectedSdp = @("m=video 9 RTP/SAVPF 120 97 100 116 117 96\n"
+ "a=rtpmap:120 H264/90000\n"
+ "a=rtpmap:97 H264/90000\n");
+ [self preferVideoCodec:@"H264" sdp:sdp expected:expectedSdp];
+}
+
+- (void)testPreferVideoCodecVP8 {
+ NSString *sdp = @("m=video 9 RTP/SAVPF 100 116 117 96 120 97\n"
+ "a=rtpmap:116 VP8/90000\n");
+ NSString *expectedSdp = @("m=video 9 RTP/SAVPF 116 100 117 96 120 97\n"
+ "a=rtpmap:116 VP8/90000\n");
+ [self preferVideoCodec:@"VP8" sdp:sdp expected:expectedSdp];
+}
+
+- (void)testNoMLine {
+ NSString *sdp = @("a=rtpmap:116 VP8/90000\n");
+ [self preferVideoCodec:@"VP8" sdp:sdp expected:sdp];
+}
+
+- (void)testMissingCodec {
+ NSString *sdp = @("m=video 9 RTP/SAVPF 100 116 117 96 120 97\n"
+ "a=rtpmap:116 VP8/90000\n");
+ [self preferVideoCodec:@"foo" sdp:sdp expected:sdp];
+}
+
+#pragma mark - Helpers
+
+- (void)preferVideoCodec:(NSString *)codec
+ sdp:(NSString *)sdp
+ expected:(NSString *)expectedSdp{
+ RTCSessionDescription* desc =
+ [[RTCSessionDescription alloc] initWithType:RTCSdpTypeOffer sdp:sdp];
+ RTCSessionDescription *outputDesc =
+ [ARDSDPUtils descriptionForDescription:desc
+ preferredVideoCodec:codec];
+ XCTAssertTrue([outputDesc.description rangeOfString:expectedSdp].location != NSNotFound);
+}
+@end
diff --git a/webrtc/examples/objc/AppRTCMobile/tests/ARDSettingsModelTests.mm b/webrtc/examples/objc/AppRTCMobile/tests/ARDSettingsModelTests.mm
deleted file mode 100644
index 45a1045..0000000
--- a/webrtc/examples/objc/AppRTCMobile/tests/ARDSettingsModelTests.mm
+++ /dev/null
@@ -1,159 +0,0 @@
-/*
- * Copyright 2016 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>
-#import "ARDSettingsModel+Private.h"
-#import "ARDSettingsStore.h"
-#import "WebRTC/RTCMediaConstraints.h"
-#include "webrtc/base/gunit.h"
-
-
-@interface ARDSettingsModelTests : NSObject {
- ARDSettingsModel *_model;
-}
-
-- (void)testStoringInavlidConstraintReturnsNo;
-- (void)testDefaultMediaFromStore;
-- (void)testWidthConstraintFromStore;
-- (void)testHeightConstraintFromStore;
-
-@end
-
-@implementation ARDSettingsModelTests
-
-- (instancetype)init {
- self = [super init];
- if (self) {
- _model = [[ARDSettingsModel alloc] init];
- }
- return self;
-}
-
-- (id)setupMockStoreWithMediaConstraintString:(NSString *)constraintString {
- id storeMock = [OCMockObject mockForClass:[ARDSettingsStore class]];
- [([[storeMock stub] andReturn:constraintString]) videoResolutionConstraints];
-
- id partialMock = [OCMockObject partialMockForObject:_model];
- [[[partialMock stub] andReturn:storeMock] settingsStore];
-
- return storeMock;
-}
-
-- (void)testDefaultMediaFromStore {
- // given
- id storeMock = [self setupMockStoreWithMediaConstraintString:nil];
-
- [[storeMock expect] setVideoResolutionConstraints:@"640x480"];
-
- // when
- NSString *string = [_model currentVideoResoultionConstraintFromStore];
-
- // then
- EXPECT_TRUE([string isEqualToString:@"640x480"]);
- [storeMock verify];
-}
-
-- (void)testStoringInavlidConstraintReturnsNo {
- // given
- id storeMock = [self setupMockStoreWithMediaConstraintString:@"960x480"];
-
- // when
- BOOL result = [_model storeVideoResoultionConstraint:@"960x480"];
-
- // then
- EXPECT_FALSE(result);
-}
-
-- (void)testWidthConstraintFromStore {
- // given
- [self setupMockStoreWithMediaConstraintString:@"1270x480"];
-
- // when
- NSString *width = [_model currentVideoResolutionWidthFromStore];
-
- // then
- EXPECT_TRUE([width isEqualToString:@"1270"]);
-}
-
-- (void)testHeightConstraintFromStore {
- // given
- [self setupMockStoreWithMediaConstraintString:@"960x540"];
- // when
- NSString *height = [_model currentVideoResolutionHeightFromStore];
-
- // then
- EXPECT_TRUE([height isEqualToString:@"540"]);
-}
-
-- (void)testConstraintComponentIsNilWhenInvalidConstraintString {
- // given
- [self setupMockStoreWithMediaConstraintString:@"invalid"];
-
- // when
- NSString *width = [_model currentVideoResolutionWidthFromStore];
-
- // then
- EXPECT_TRUE(width == nil);
-}
-
-- (void)testConstraintsDictionaryIsNilWhenInvalidConstraintString {
- // given
- [self setupMockStoreWithMediaConstraintString:@"invalid"];
-
- // when
- NSDictionary *constraintsDictionary = [_model currentMediaConstraintFromStoreAsRTCDictionary];
-
- // then
- EXPECT_TRUE(constraintsDictionary == nil);
-}
-@end
-
-class ARDSettingsModelTest : public ::testing::Test {
- protected:
- ARDSettingsModelTests *test;
- ARDSettingsModelTest() { test = [[ARDSettingsModelTests alloc] init]; }
-};
-
-TEST_F(ARDSettingsModelTest, DefaultMediaFromStore) {
- @autoreleasepool {
- [test testDefaultMediaFromStore];
- }
-}
-
-TEST_F(ARDSettingsModelTest, StoringInvalidConstraintsReturnsNo) {
- @autoreleasepool {
- [test testStoringInavlidConstraintReturnsNo];
- }
-}
-
-TEST_F(ARDSettingsModelTest, WidthConstraintFromStore) {
- @autoreleasepool {
- [test testWidthConstraintFromStore];
- }
-}
-
-TEST_F(ARDSettingsModelTest, HeightConstraintFromStore) {
- @autoreleasepool {
- [test testHeightConstraintFromStore];
- }
-}
-
-TEST_F(ARDSettingsModelTest, ConstratintIsNil) {
- @autoreleasepool {
- [test testConstraintComponentIsNilWhenInvalidConstraintString];
- }
-}
-
-TEST_F(ARDSettingsModelTest, DictionaryIsNil) {
- @autoreleasepool {
- [test testConstraintsDictionaryIsNilWhenInvalidConstraintString];
- }
-}
diff --git a/webrtc/examples/objc/AppRTCMobile/tests/ARDSettingsModel_xctest.mm b/webrtc/examples/objc/AppRTCMobile/tests/ARDSettingsModel_xctest.mm
new file mode 100644
index 0000000..eee18db
--- /dev/null
+++ b/webrtc/examples/objc/AppRTCMobile/tests/ARDSettingsModel_xctest.mm
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2016 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>
+#import <XCTest/XCTest.h>
+
+#import "WebRTC/RTCMediaConstraints.h"
+
+#import "ARDSettingsModel+Private.h"
+#import "ARDSettingsStore.h"
+
+
+@interface ARDSettingsModelTests : XCTestCase {
+ ARDSettingsModel *_model;
+}
+@end
+
+@implementation ARDSettingsModelTests
+
+- (id)setupMockStoreWithMediaConstraintString:(NSString *)constraintString {
+ id storeMock = [OCMockObject mockForClass:[ARDSettingsStore class]];
+ [([[storeMock stub] andReturn:constraintString]) videoResolutionConstraints];
+
+ id partialMock = [OCMockObject partialMockForObject:_model];
+ [[[partialMock stub] andReturn:storeMock] settingsStore];
+
+ return storeMock;
+}
+
+- (void)setUp {
+ _model = [[ARDSettingsModel alloc] init];
+}
+
+- (void)testDefaultMediaFromStore {
+ id storeMock = [self setupMockStoreWithMediaConstraintString:nil];
+ [[storeMock expect] setVideoResolutionConstraints:@"640x480"];
+
+ NSString *string = [_model currentVideoResoultionConstraintFromStore];
+
+ XCTAssertEqualObjects(string, @"640x480");
+ [storeMock verify];
+}
+
+- (void)testStoringInvalidConstraintReturnsNo {
+ __unused id storeMock = [self setupMockStoreWithMediaConstraintString:@"960x480"];
+ XCTAssertFalse([_model storeVideoResoultionConstraint:@"960x480"]);
+}
+
+- (void)testWidthConstraintFromStore {
+ [self setupMockStoreWithMediaConstraintString:@"1270x480"];
+ NSString *width = [_model currentVideoResolutionWidthFromStore];
+
+ XCTAssertEqualObjects(width, @"1270");
+}
+
+- (void)testHeightConstraintFromStore {
+ [self setupMockStoreWithMediaConstraintString:@"960x540"];
+ NSString *height = [_model currentVideoResolutionHeightFromStore];
+
+ XCTAssertEqualObjects(height, @"540");
+}
+
+- (void)testConstraintComponentIsNilWhenInvalidConstraintString {
+ [self setupMockStoreWithMediaConstraintString:@"invalid"];
+ NSString *width = [_model currentVideoResolutionWidthFromStore];
+
+ XCTAssertNil(width);
+}
+
+- (void)testConstraintsDictionaryIsNilWhenInvalidConstraintString {
+ [self setupMockStoreWithMediaConstraintString:@"invalid"];
+ NSDictionary *constraintsDictionary = [_model currentMediaConstraintFromStoreAsRTCDictionary];
+
+ XCTAssertNil(constraintsDictionary);
+}
+@end
