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// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/
import XCTest
@testable import ToolbarKit
@MainActor
final class TabCountableTests: XCTestCase {
private var button: TabNumberButton!
private let tabsButtonLargeContentTitle = "Tabs open: "
private let tabsButtonOverflowLargeContentTitle = "Tabs open: 99+"
override func setUp() async throws {
try await super.setUp()
button = TabNumberButton()
}
override func tearDown() async throws {
button = nil
try await super.tearDown()
}
func testUpdateTabCount_withNormalCount_returnsCountString() {
let numOfTabs = 5
let element = makeElement(numberOfTabs: numOfTabs,
largeContentTitle: tabsButtonLargeContentTitle + numOfTabs.description)
let result = button.updateTabCount(for: element)
XCTAssertEqual(result, "5")
}
func testUpdateTabCount_withZeroTabs_clampsToOne() {
let numOfTabs = 1
let element = makeElement(numberOfTabs: numOfTabs,
largeContentTitle: tabsButtonLargeContentTitle + numOfTabs.description)
let result = button.updateTabCount(for: element)
XCTAssertEqual(result, "1")
}
func testUpdateTabCount_atMaxCount_returnsMaxString() {
let numOfTabs = 99
let element = makeElement(numberOfTabs: numOfTabs,
largeContentTitle: tabsButtonLargeContentTitle + numOfTabs.description)
let result = button.updateTabCount(for: element)
XCTAssertEqual(result, "99")
}
func testUpdateTabCount_exceedingMaxCount_returnsInfinitySymbol() {
let numOfTabs = 100
let element = makeElement(numberOfTabs: numOfTabs,
largeContentTitle: tabsButtonOverflowLargeContentTitle + numOfTabs.description)
let result = button.updateTabCount(for: element)
XCTAssertEqual(result, "\u{221E}")
}
// MARK: - Nil Inputs
func testUpdateTabCount_withNilNumberOfTabs_returnsNil() {
let element = makeElement(numberOfTabs: nil, largeContentTitle: tabsButtonLargeContentTitle)
let result = button.updateTabCount(for: element)
XCTAssertNil(result)
}
func testUpdateTabCount_withNilLargeContentTitle_returnsNil() {
let element = makeElement(numberOfTabs: 5, largeContentTitle: nil)
let result = button.updateTabCount(for: element)
XCTAssertNil(result)
}
func testUpdateTabCount_withBothNil_returnsNil() {
let element = makeElement(numberOfTabs: nil, largeContentTitle: nil)
let result = button.updateTabCount(for: element)
XCTAssertNil(result)
}
// MARK: - Side Effects
func testUpdateTabCount_updatesAccessibilityValue() {
let numOfTabs = 7
let element = makeElement(numberOfTabs: numOfTabs,
largeContentTitle: tabsButtonLargeContentTitle + numOfTabs.description)
button.updateTabCount(for: element)
XCTAssertEqual(button.accessibilityValue, "7")
}
func testUpdateTabCount_updatesLargeContentTitle() {
let numOfTabs = 3
let element = makeElement(numberOfTabs: numOfTabs,
largeContentTitle: tabsButtonLargeContentTitle + numOfTabs.description)
button.updateTabCount(for: element)
XCTAssertEqual(button.largeContentTitle, "Tabs open: 3")
}
func testUpdateTabCount_updatesOverflowLargeContentTitle() {
let numOfTabs = 101
let element = makeElement(numberOfTabs: numOfTabs,
largeContentTitle: tabsButtonOverflowLargeContentTitle)
button.updateTabCount(for: element)
XCTAssertEqual(button.largeContentTitle, "Tabs open: 99+")
}
func testUpdateTabCount_withNilInputs_doesNotUpdateAccessibilityValue() {
button.accessibilityValue = "original"
let element = makeElement(numberOfTabs: nil, largeContentTitle: nil)
button.updateTabCount(for: element)
XCTAssertEqual(button.accessibilityValue, "original")
}
// MARK: - Helper
private func makeElement(numberOfTabs: Int?, largeContentTitle: String?) -> ToolbarElement {
return ToolbarElement(
numberOfTabs: numberOfTabs,
isEnabled: true,
largeContentTitle: largeContentTitle,
a11yLabel: "Tabs",
a11yHint: nil,
a11yId: "testTabCountButton",
hasLongPressAction: false,
onSelected: nil
)
}
}