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Diffstat (limited to 'platform/ios/Integration Tests/MGLCameraTransitionTests.mm')
| -rw-r--r-- | platform/ios/Integration Tests/MGLCameraTransitionTests.mm | 398 |
1 files changed, 398 insertions, 0 deletions
diff --git a/platform/ios/Integration Tests/MGLCameraTransitionTests.mm b/platform/ios/Integration Tests/MGLCameraTransitionTests.mm new file mode 100644 index 0000000000..d5c288fbb9 --- /dev/null +++ b/platform/ios/Integration Tests/MGLCameraTransitionTests.mm @@ -0,0 +1,398 @@ +#import "MGLMapViewIntegrationTest.h" +#import "../../darwin/src/MGLGeometry_Private.h" + +@interface MBCameraTransitionTests : MGLMapViewIntegrationTest +@end + +@implementation MBCameraTransitionTests + +- (void)testSetAndResetNorthWithDispatchAsyncInDelegateMethod { + + XCTestExpectation *expectation = [self expectationWithDescription:@"regionDidChange expectation"]; + expectation.expectedFulfillmentCount = 2; + expectation.assertForOverFulfill = YES; + + __weak typeof(self) weakself = self; + + self.regionDidChange = ^(MGLMapView *mapView, MGLCameraChangeReason reason, BOOL animated) { + + MBCameraTransitionTests *strongSelf = weakself; + + if (!strongSelf) return; + + [expectation fulfill]; + + MGLTestAssert(strongSelf, mapView.userTrackingMode != MGLUserTrackingModeFollowWithHeading); + if (mapView.direction != 0.0) { + dispatch_async(dispatch_get_main_queue(), ^{ + [mapView resetNorth]; + }); + } + }; + + [self.mapView setDirection:90 animated:YES]; + + // loop, render, and wait + [self waitForExpectations:@[expectation] timeout:1.5]; +} + + +- (void)testSetAndResetNorthInDelegateMethod { + + XCTestExpectation *expectation = [self expectationWithDescription:@"regionDidChange expectation"]; + expectation.expectedFulfillmentCount = 2; + expectation.assertForOverFulfill = YES; + + __weak typeof(self) weakself = self; + + self.regionDidChange = ^(MGLMapView *mapView, MGLCameraChangeReason reason, BOOL animated) { + + MBCameraTransitionTests *strongSelf = weakself; + + if (!strongSelf) return; + + [expectation fulfill]; + + MGLTestAssert(strongSelf, mapView.userTrackingMode != MGLUserTrackingModeFollowWithHeading); + if (mapView.direction != 0.0) { + NSLog(@"Reset to north"); + [mapView resetNorth]; + } + }; + + [self.mapView setDirection:90 animated:YES]; + [self waitForExpectations:@[expectation] timeout:1.5]; +} + +- (void)testInterruptingAndResetNorthOnlyOnceInIsChanging { + + // Reset to non-zero, prior to testing + [self.mapView setDirection:45 animated:NO]; + + XCTestExpectation *expectation = [self expectationWithDescription:@"regionDidChange expectation"]; + expectation.expectedFulfillmentCount = 1; + expectation.assertForOverFulfill = YES; + + __weak typeof(self) weakself = self; + __block BOOL startedReset = NO; + __block BOOL finishedReset = NO; + + self.regionIsChanging = ^(MGLMapView *mapView) { + MBCameraTransitionTests *strongSelf = weakself; + if (!strongSelf) return; + + if (!startedReset) { + NSLog(@"Reset to north, interrupting the previous transition"); + startedReset = YES; + [mapView resetNorth]; + finishedReset = YES; + } + }; + + self.regionDidChange = ^(MGLMapView *mapView, MGLCameraChangeReason reason, BOOL animated) { + MBCameraTransitionTests *strongSelf = weakself; + if (!strongSelf) return; + + MGLTestAssert(strongSelf, startedReset); + + if (finishedReset) { + MGLTestAssert(strongSelf, !(reason & MGLCameraChangeReasonTransitionCancelled)); + [expectation fulfill]; + } + else { + MGLTestAssert(strongSelf, reason & MGLCameraChangeReasonTransitionCancelled); + } + }; + + [self.mapView setDirection:90 animated:YES]; + [self waitForExpectations:@[expectation] timeout:1.5]; + + XCTAssertEqualWithAccuracy(self.mapView.direction, 0.0, 0.001, @"Camera should have reset to north. %0.3f", self.mapView.direction); +} + +- (void)testSetCenterCancelsTransitions { + XCTestExpectation *cameraIsInDCExpectation = [self expectationWithDescription:@"camera reset to DC"]; + + CLLocationCoordinate2D dc = CLLocationCoordinate2DMake(38.894368, -77.036487); + CLLocationCoordinate2D dc_west = CLLocationCoordinate2DMake(38.894368, -77.076487); + + double zoomLevel = 15.0; + + [self.mapView setCenterCoordinate:dc zoomLevel:zoomLevel animated:NO]; + [self.mapView setCenterCoordinate:dc_west zoomLevel:zoomLevel animated:YES]; + + __weak typeof(self) weakself = self; + + dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 0.15 * NSEC_PER_SEC), + dispatch_get_main_queue(), + ^{ + MBCameraTransitionTests *strongSelf = weakself; + + [strongSelf.mapView setCenterCoordinate:dc zoomLevel:zoomLevel animated:NO]; + MGLTestAssertEqualWithAccuracy(strongSelf, + dc.latitude, + strongSelf.mapView.centerCoordinate.latitude, + 0.0005, + @"setting center coordinate should cancel transitions"); + MGLTestAssertEqualWithAccuracy(strongSelf, + dc.longitude, + strongSelf.mapView.centerCoordinate.longitude, + 0.0005, + @"setting center coordinate should cancel transitions"); + [cameraIsInDCExpectation fulfill]; + }); + + [self waitForExpectations:@[cameraIsInDCExpectation] timeout:10.0]; +} + +- (void)testSetCenterCoordinateInDelegateMethod { + + XCTestExpectation *expectation = [self expectationWithDescription:@"regionDidChange expectation"]; + expectation.expectedFulfillmentCount = 2; + expectation.assertForOverFulfill = YES; + + __weak typeof(self) weakself = self; + __block NSInteger delegateCallCount = 0; + + CLLocationCoordinate2D target = CLLocationCoordinate2DMake(40.0, 40.0); + CLLocationCoordinate2D target2 = CLLocationCoordinate2DMake(-40.0, -40.0); + + self.regionDidChange = ^(MGLMapView *mapView, MGLCameraChangeReason reason, BOOL animated) { + + MBCameraTransitionTests *strongSelf = weakself; + + if (!strongSelf) return; + + MGLTestAssert(strongSelf, mapView.userTrackingMode != MGLUserTrackingModeFollowWithHeading); + + CLLocationCoordinate2D center = mapView.centerCoordinate; + + switch(delegateCallCount) { + case 0: + { + // Our center coordinate should match our target (assuming we're not + // constrained by zoom level) + MGLTestAssertEqualWithAccuracy(strongSelf, + target.longitude, + center.longitude, + 0.0005, + @"center coordinate longitude should be at target"); + + MGLTestAssertEqualWithAccuracy(strongSelf, + target.latitude, + center.latitude, + 0.0005, + @"center coordinate latitude should be at target"); + + // Now set another coordinate. + // Should take MGLAnimationDuration seconds (0.3s) + [mapView setCenterCoordinate:target2 animated:YES]; + break; + } + + case 1: + { + // Our center coordinate should match our target (assuming we're not + // constrained by zoom level) + MGLTestAssertEqualWithAccuracy(strongSelf, + target2.longitude, + center.longitude, + 0.0005, + @"center coordinate longitude should be at target2"); + + MGLTestAssertEqualWithAccuracy(strongSelf, + target2.latitude, + center.latitude, + 0.0005, + @"center coordinate latitude should be at target2"); + break; + + } + + default: + MGLTestFail(strongSelf); + break; + } + + delegateCallCount++; + + [expectation fulfill]; + }; + + // Should take MGLAnimationDuration seconds (0.3) + [self.mapView setCenterCoordinate:target zoomLevel:15.0 animated:YES]; + [self waitForExpectations:@[expectation] timeout:1.5]; +} + +- (void)testFlyToCameraInDelegateMethod { + + XCTestExpectation *expectation = [self expectationWithDescription:@"regionDidChange expectation"]; + + __weak typeof(self) weakself = self; + __block NSInteger delegateCallCount = 0; + expectation.expectedFulfillmentCount = 3; + expectation.assertForOverFulfill = YES; + + CLLocationCoordinate2D target = CLLocationCoordinate2DMake(40.0, 40.0); + CLLocationCoordinate2D target2 = CLLocationCoordinate2DMake(30.0, 30.0); + + __block BOOL runloop = YES; + + NSTimeInterval stop0 = CACurrentMediaTime(); + __block NSTimeInterval stop1 = 0.0; + __block NSTimeInterval stop2 = 0.0; + + double zoomLevel = 5.0; + double altitude = MGLAltitudeForZoomLevel(zoomLevel, 0.0, target.latitude, self.mapView.frame.size); + + self.regionDidChange = ^(MGLMapView *mapView, MGLCameraChangeReason reason, BOOL animated) { + + MBCameraTransitionTests *strongSelf = weakself; + + if (!strongSelf) return; + + MGLTestAssert(strongSelf, mapView.userTrackingMode != MGLUserTrackingModeFollowWithHeading); + + CLLocationCoordinate2D center = mapView.centerCoordinate; + + switch(delegateCallCount) { + case 0: + { + stop1 = CACurrentMediaTime(); + + // Our center coordinate should match our target (assuming we're not + // constrained by zoom level) + MGLTestAssertEqualWithAccuracy(strongSelf, + target.longitude, + center.longitude, + 0.0005, + @"center coordinate longitude should be at target"); + + MGLTestAssertEqualWithAccuracy(strongSelf, + target.latitude, + center.latitude, + 0.0005, + @"center coordinate latitude should be at target"); + + // Now set another coordinate. + MGLMapCamera *camera = [MGLMapCamera cameraLookingAtCenterCoordinate:target2 + fromDistance:altitude + pitch:0.0 + heading:0.0]; + + // flyToCamera can take a while... + [mapView flyToCamera:camera completionHandler:^{ + MGLTestAssert(strongSelf, !runloop, @"Completion block should be called after delegate method"); + [expectation fulfill]; + stop2 = CACurrentMediaTime(); + }]; + break; + } + + case 1: + { + // Our center coordinate should match our target (assuming we're not + // constrained by zoom level) + MGLTestAssertEqualWithAccuracy(strongSelf, + target2.longitude, + center.longitude, + 0.0005, + @"center coordinate longitude should be at target2"); + + MGLTestAssertEqualWithAccuracy(strongSelf, + target2.latitude, + center.latitude, + 0.0005, + @"center coordinate latitude should be at target2"); + + runloop = NO; + break; + } + + default: + MGLTestFail(strongSelf); + break; + } + + delegateCallCount++; + + [expectation fulfill]; + }; + + // Should take MGLAnimationDuration + [self.mapView setCenterCoordinate:target zoomLevel:zoomLevel animated:YES]; + + // Run the loop, so the camera can fly to the new camera + while (runloop) { + [[NSRunLoop mainRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantFuture]]; + } + [self waitForExpectations:@[expectation] timeout:0.5]; + + NSLog(@"setCenterCoordinate: %0.4fs", stop1 - stop0); + NSLog(@"flyToCamera: %0.4fs", stop2 - stop1); + + XCTAssert(delegateCallCount == 2, @"Expecting 2 regionDidChange callbacks, got %ld", delegateCallCount); // Once for the setDirection and once for the reset north +} + +#pragma mark - Pending tests + +- (void)disabled_testContinuallyResettingNorthInIsChangingPENDING { + + // See https://github.com/mapbox/mapbox-gl-native/pull/11614 + // This test currently fails, unsurprisingly, since we're continually + // setting the camera to the same parameters during its update. + // + // Possible solutions/expectations: + // - If you set camera parameters that match the *current* target parameters + // then the transition could be a no-op. We'd need to consider any completion + // block + // - Ideally we would detect this case and disallow it. + + // Reset to non-zero, prior to testing + [self.mapView setDirection:45 animated:NO]; + + XCTestExpectation *expectation = [self expectationWithDescription:@"regionDidChange expectation"]; + expectation.expectedFulfillmentCount = 2; + expectation.assertForOverFulfill = YES; + + self.regionIsChanging = ^(MGLMapView *mapView) { + [mapView resetNorth]; + }; + + self.regionDidChange = ^(MGLMapView *mapView, MGLCameraChangeReason reason, BOOL animated) { + [expectation fulfill]; + }; + + [self.mapView setDirection:90 animated:YES]; + [self waitForExpectations:@[expectation] timeout:1.5]; + + XCTAssertEqualWithAccuracy(self.mapView.direction, 0.0, 0.001, @"Camera should have reset to north. %0.3f", self.mapView.direction); +} + +- (void)disabled_testContinuallySettingCoordinateInIsChangingPENDING { + // See above comment in `-disabled_testContinuallyResettingNorthInIsChangingPENDING` + + // Reset to non-zero, prior to testing + [self.mapView setCenterCoordinate:CLLocationCoordinate2DMake(0.0, 0.0) animated:NO]; + + XCTestExpectation *expectation = [self expectationWithDescription:@"regionDidChange expectation"]; + expectation.expectedFulfillmentCount = 2; + expectation.assertForOverFulfill = YES; + + __weak typeof(self) weakself = self; + + self.regionIsChanging = ^(MGLMapView *mapView) { + [weakself.mapView setCenterCoordinate:CLLocationCoordinate2DMake(-40.0, -40.0) animated:YES]; + }; + + self.regionDidChange = ^(MGLMapView *mapView, MGLCameraChangeReason reason, BOOL animated) { + [expectation fulfill]; + }; + + [self.mapView setCenterCoordinate:CLLocationCoordinate2DMake(40.0, 40.0) animated:YES]; + [self waitForExpectations:@[expectation] timeout:1.5]; + + XCTAssertEqualWithAccuracy(self.mapView.direction, 0.0, 0.001, @"Camera should have reset to north. %0.3f", self.mapView.direction); +} + +@end |