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RUMM-1615 Add
RUMViewModifier unit tests
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94
Tests/DatadogTests/Datadog/RUM/Instrumentation/Views/SwiftUI/RUMViewModifierTests.swift
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| /* | ||
| * Unless explicitly stated otherwise all files in this repository are licensed under the Apache License Version 2.0. | ||
| * This product includes software developed at Datadog (https://www.datadoghq.com/). | ||
| * Copyright 2019-2020 Datadog, Inc. | ||
| */ | ||
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| import XCTest | ||
| import SwiftUI | ||
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| @testable import Datadog | ||
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| class RUMViewModifierTests: XCTestCase { | ||
| let swiftUIHandler = SwiftUIViewHandlerMock() | ||
| let subscriber = RUMCommandSubscriberMock() | ||
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| @available(iOS 13, *) | ||
| struct TestView: View { | ||
| let name: String | ||
| let attributes: [AttributeKey: AttributeValue] | ||
| var body: some View { | ||
| EmptyView() | ||
| .trackRUMView( | ||
| name: name, | ||
| attributes: attributes | ||
| ) | ||
| } | ||
| } | ||
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| override func setUp() { | ||
| super.setUp() | ||
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| RUMInstrumentation.instance = RUMInstrumentation( | ||
| viewsAutoInstrumentation: nil, | ||
| swiftUIViewInstrumentation: swiftUIHandler, | ||
| userActionsAutoInstrumentation: nil, | ||
| longTasks: nil | ||
| ) | ||
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| RUMInstrumentation.instance?.publish(to: subscriber) | ||
| } | ||
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| override func tearDown() { | ||
| RUMInstrumentation.instance?.deinitialize() | ||
| } | ||
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| func testGivenASwiftUIView_WhenItAppearsAndDisappears_ItNotifiesTheRUMInstrumentation() throws { | ||
| guard #available(iOS 13, *) else { | ||
| return | ||
| } | ||
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| let expectOnAppear = expectation(description: "SwiftUI.View.onAppear") | ||
| let expectOnDisappear = expectation(description: "SwiftUI.View.onDisappear") | ||
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| // Given | ||
| let viewName: String = .mockRandom() | ||
| let viewAttributes = mockRandomAttributes() | ||
| let animated = Bool.random() | ||
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| var host: UIHostingController? = UIHostingController( | ||
| rootView: TestView( | ||
| name: viewName, | ||
| attributes: viewAttributes | ||
| ) | ||
| ) | ||
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| var viewIdentity: String? | ||
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| swiftUIHandler.notifyOnAppear = { identity, name, path, attributes in | ||
| viewIdentity = identity | ||
| XCTAssertTrue(identity.matches(regex: .uuidRegex)) | ||
| XCTAssertEqual(name, viewName) | ||
| XCTAssertTrue(path.matches(regex: "\(viewName)\\/[0-9]*")) | ||
| self.AssertDictionariesEqual(attributes, viewAttributes) | ||
| expectOnAppear.fulfill() | ||
| } | ||
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| swiftUIHandler.notifyOnDisappear = { identity in | ||
| XCTAssertEqual(viewIdentity, identity) | ||
| expectOnDisappear.fulfill() | ||
| } | ||
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| // When | ||
| // Trigger the `.onAppear` | ||
| host?.viewWillAppear(animated) | ||
| host?.viewDidAppear(animated) | ||
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| // Then | ||
| wait(for: [expectOnAppear], timeout: 5) | ||
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| // When | ||
| host = nil // Trigger the `.onDisappear` | ||
| wait(for: [expectOnDisappear], timeout: 5) | ||
| } | ||
| } |