b51c03ace1
* Add signalling between UI tests and the app. * Fix navigationStack on roomLayout screens and update screenshots Co-authored-by: Stefan Ceriu <stefanc@matrix.org>
102 lines
3.3 KiB
Swift
102 lines
3.3 KiB
Swift
//
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// Copyright 2022 New Vector Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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import SnapshotTesting
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import XCTest
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struct Application {
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static func launch() -> XCUIApplication {
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let app = XCUIApplication()
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app.launchEnvironment = ["IS_RUNNING_UI_TESTS": "1"]
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Bundle.elementFallbackLanguage = "en"
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app.launch()
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return app
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}
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}
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extension XCUIApplication {
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func goToScreenWithIdentifier(_ identifier: UITestScreenIdentifier) {
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let button = buttons[identifier.rawValue]
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let lastLabel = staticTexts["lastItem"]
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while !button.isHittable, !lastLabel.isHittable {
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swipeUp()
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}
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button.tap()
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}
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/// Assert screenshot for a screen with the given identifier. Does not fail if a screenshot is newly created.
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/// - Parameter identifier: Identifier of the UI test screen
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/// - Parameter step: An optional integer that can be used to take multiple snapshots per test identifier.
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/// - Parameter insets: Optional insets with which to crop the image by.
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func assertScreenshot(_ identifier: UITestScreenIdentifier, step: Int? = nil, insets: UIEdgeInsets? = nil) {
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var snapshotName = identifier.rawValue
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if let step {
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snapshotName += "-\(step)"
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}
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var snapshot = XCUIScreen.main.screenshot().image
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if let insets {
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snapshot = snapshot.inset(by: insets)
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}
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let failure = verifySnapshot(matching: snapshot,
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as: .image(precision: 0.99, perceptualPrecision: 0.98, scale: nil),
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named: snapshotName,
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testName: testName)
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if let failure,
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!failure.contains("No reference was found on disk."),
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!failure.contains("to test against the newly-recorded snapshot") {
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XCTFail(failure)
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}
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}
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private var testName: String {
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languageCode + "-" + regionCode + "-" + deviceName
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}
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private var deviceName: String {
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UIDevice.current.name
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}
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private var languageCode: String {
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Locale.current.language.languageCode?.identifier ?? ""
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}
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private var regionCode: String {
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Locale.current.language.region?.identifier ?? ""
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}
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private var osVersion: String {
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UIDevice.current.systemVersion.replacingOccurrences(of: ".", with: "-")
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}
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}
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private extension UIImage {
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/// Adjusts the image by cropping it with the given edge insets.
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func inset(by insets: UIEdgeInsets) -> UIImage {
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let insetRect = CGRect(origin: .zero, size: size).inset(by: insets)
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let renderer = UIGraphicsImageRenderer(size: insetRect.size)
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return renderer.image { _ in
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draw(at: CGPoint(x: -insets.left, y: -insets.top))
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}
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}
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}
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