element-ios/CommonKit/Source/UserIndicators/Tests/UserIndicatorTests.swift

128 lines
3.4 KiB
Swift

//
// Copyright 2021 New Vector Ltd
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
import Foundation
import XCTest
class UserIndicatorTests: XCTestCase {
var presenter: UserIndicatorPresenterSpy!
override func setUp() {
super.setUp()
presenter = UserIndicatorPresenterSpy()
}
func makeIndicator(dismissal: UserIndicatorDismissal = .manual, callback: @escaping () -> Void = {}) -> UserIndicator {
let request = UserIndicatorRequest(
presenter: presenter,
dismissal: dismissal
)
return UserIndicator(
request: request,
completion: callback
)
}
// MARK: - State
func testNewIndicatorIsPending() {
let indicator = makeIndicator()
XCTAssertEqual(indicator.state, .pending)
}
func testStartedIndicatorIsExecuting() {
let indicator = makeIndicator()
indicator.start()
XCTAssertEqual(indicator.state, .executing)
}
func testCancelledIndicatorIsCompleted() {
let indicator = makeIndicator()
indicator.cancel()
XCTAssertEqual(indicator.state, .completed)
}
// MARK: - Presenter
func testStartingIndicatorPresentsUI() {
let indicator = makeIndicator()
indicator.start()
XCTAssertEqual(presenter.intel, ["present()"])
}
func testAllowStartingOnlyOnce() {
let indicator = makeIndicator()
indicator.start()
presenter.intel = []
indicator.start()
XCTAssertEqual(presenter.intel, [])
}
func testCancellingIndicatorDismissesUI() {
let indicator = makeIndicator()
indicator.start()
presenter.intel = []
indicator.cancel()
XCTAssertEqual(presenter.intel, ["dismiss()"])
}
func testAllowCancellingOnlyOnce() {
let indicator = makeIndicator()
indicator.start()
indicator.cancel()
presenter.intel = []
indicator.cancel()
XCTAssertEqual(presenter.intel, [])
}
// MARK: - Dismissal
func testDismissAfterTimeout() {
let interval: TimeInterval = 0.01
let indicator = makeIndicator(dismissal: .timeout(interval))
indicator.start()
let exp = expectation(description: "")
DispatchQueue.main.asyncAfter(deadline: .now() + interval) {
exp.fulfill()
}
waitForExpectations(timeout: 1)
XCTAssertEqual(indicator.state, .completed)
}
// MARK: - Completion callback
func testTriggersCallbackWhenCompleted() {
var didComplete = false
let indicator = makeIndicator {
didComplete = true
}
indicator.start()
indicator.cancel()
XCTAssertTrue(didComplete)
}
}