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Mock viper components and test router functions (#19)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| // | ||
| // PresenterTests.swift | ||
| // Viperit | ||
| // | ||
| // Created by Ferran Abelló on 21/03/2017. | ||
| // Copyright © 2017 Ferran Abelló. All rights reserved. | ||
| // | ||
|
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| import XCTest | ||
| import Viperit | ||
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| //MARK: - Timeout | ||
| private let kTimeout: TimeInterval = 0.5 | ||
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| //MARK: - View Lifecycle | ||
| private let kViewHasLoaded = "viewHasLoaded" | ||
| private let kViewIsAboutToAppear = "viewIsAboutToAppear" | ||
| private let kViewHasAppeared = "viewHasAppeared" | ||
| private let kViewIsAboutToDisappear = "viewIsAboutToDisappear" | ||
| private let kViewHasDisappeared = "viewHasDisappeared" | ||
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| //MARK: - Setup methods | ||
| private let kSetupView = "setupView" | ||
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| //MARK: - Mock Presenter | ||
| private class MockPresenter: Presenter, SamplePresenterInterface { | ||
| var expectation: XCTestExpectation! | ||
| var methodExpected: String! | ||
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| private func assert(method: String) { | ||
| if methodExpected == method { | ||
| XCTAssert(true) | ||
| expectation.fulfill() | ||
| } | ||
| } | ||
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| override func viewHasLoaded() { | ||
| assert(method: kViewHasLoaded) | ||
| } | ||
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| override func viewIsAboutToAppear() { | ||
| assert(method: kViewIsAboutToAppear) | ||
| } | ||
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| override func viewHasAppeared() { | ||
| assert(method: kViewHasAppeared) | ||
| } | ||
|
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| override func viewIsAboutToDisappear() { | ||
| assert(method: kViewIsAboutToDisappear) | ||
| } | ||
|
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| override func viewHasDisappeared() { | ||
| assert(method: kViewHasDisappeared) | ||
| } | ||
|
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| override func setupView(data: Any) { | ||
| assert(method: kSetupView) | ||
| } | ||
| } | ||
|
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| //MARK: - Presenter Tests | ||
| class PresenterTests: XCTestCase { | ||
| private func createTestModuleWithMockPresenter(methodToTest: String) -> Module { | ||
| var module = Module.build(TestModules.sample, bundle: Bundle(for: SampleRouter.self)) | ||
| let mockPresenter = MockPresenter() | ||
| mockPresenter.expectation = expectation(description: "Expecting method: \(methodToTest)") | ||
| mockPresenter.methodExpected = methodToTest | ||
| module.injectMock(presenter: mockPresenter) | ||
| return module | ||
| } | ||
|
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| private func expectViewLifecycle(method: String) { | ||
| let module = createTestModuleWithMockPresenter(methodToTest: method) | ||
|
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| //Simulate view lifecycle | ||
| _ = module.view.view | ||
| module.view.viewWillAppear(false) | ||
| module.view.viewDidAppear(false) | ||
| module.view.viewWillDisappear(false) | ||
| module.view.viewDidDisappear(false) | ||
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| expect(timeout: kTimeout, errorMessage: "\(method) timed out (> \(kTimeout)s") | ||
| } | ||
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| func testViewHasLoaded() { | ||
| expectViewLifecycle(method: kViewHasLoaded) | ||
| } | ||
|
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| func testViewIsAboutToAppear() { | ||
| expectViewLifecycle(method: kViewIsAboutToAppear) | ||
| } | ||
|
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| func testViewHasAppeared() { | ||
| expectViewLifecycle(method: kViewHasAppeared) | ||
| } | ||
|
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| func testSetupView() { | ||
| let mockView = UIViewController() | ||
| _ = mockView.view | ||
| let module = createTestModuleWithMockPresenter(methodToTest: kSetupView) | ||
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| //Simulate show module with router function using setup data | ||
| module.router.show(from: mockView, setupData: "randomData") | ||
| expect(timeout: kTimeout, errorMessage: "\(kSetupView) timed out (> \(kTimeout)s") | ||
| } | ||
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| func expect(timeout: TimeInterval, errorMessage: String) { | ||
| waitForExpectations(timeout: timeout) { error in | ||
| guard error != nil else { return } | ||
| XCTFail(errorMessage) | ||
| } | ||
| } | ||
|
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| } |
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