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DefaultsCustomBridgeTests.swift
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DefaultsCustomBridgeTests.swift
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import Foundation
import Defaults
import XCTest
public struct User: Hashable, Equatable {
var username: String
var password: String
}
extension User: Defaults.Serializable {
public static let bridge = DefaultsUserBridge()
}
public final class DefaultsUserBridge: Defaults.Bridge {
public typealias Value = User
public typealias Serializable = [String: String]
public func serialize(_ value: Value?) -> Serializable? {
guard let value else {
return nil
}
return ["username": value.username, "password": value.password]
}
public func deserialize(_ object: Serializable?) -> Value? {
guard
let object,
let username = object["username"],
let password = object["password"]
else {
return nil
}
return User(username: username, password: password)
}
}
private let fixtureCustomBridge = User(username: "hank121314", password: "123456")
struct PlainHourMinuteTimeRange: Hashable, Codable {
var start: PlainHourMinuteTime
var end: PlainHourMinuteTime
}
extension PlainHourMinuteTimeRange: Defaults.Serializable {
struct Bridge: Defaults.Bridge {
typealias Value = PlainHourMinuteTimeRange
typealias Serializable = [PlainHourMinuteTime]
func serialize(_ value: Value?) -> Serializable? {
guard let value else {
return nil
}
return [value.start, value.end]
}
func deserialize(_ object: Serializable?) -> Value? {
guard
let array = object,
let start = array[safe: 0],
let end = array[safe: 1]
else {
return nil
}
return .init(start: start, end: end)
}
}
static let bridge = Bridge()
}
struct PlainHourMinuteTime: Hashable, Codable, Defaults.Serializable {
var hour: Int
var minute: Int
}
extension Collection {
subscript(safe index: Index) -> Element? {
indices.contains(index) ? self[index] : nil
}
}
extension Defaults.Keys {
fileprivate static let customBridge = Key<User>("customBridge", default: fixtureCustomBridge)
fileprivate static let customBridgeArray = Key<[User]>("array_customBridge", default: [fixtureCustomBridge])
fileprivate static let customBridgeDictionary = Key<[String: User]>("dictionary_customBridge", default: ["0": fixtureCustomBridge])
}
final class DefaultsCustomBridge: XCTestCase {
override func setUp() {
super.setUp()
Defaults.removeAll()
}
override func tearDown() {
super.tearDown()
Defaults.removeAll()
}
func testKey() {
let key = Defaults.Key<User>("independentCustomBridgeKey", default: fixtureCustomBridge)
XCTAssertEqual(Defaults[key], fixtureCustomBridge)
let newUser = User(username: "sindresorhus", password: "123456789")
Defaults[key] = newUser
XCTAssertEqual(Defaults[key], newUser)
}
func testOptionalKey() {
let key = Defaults.Key<User?>("independentCustomBridgeOptionalKey")
XCTAssertNil(Defaults[key])
Defaults[key] = fixtureCustomBridge
XCTAssertEqual(Defaults[key], fixtureCustomBridge)
}
func testArrayKey() {
let user = User(username: "hank121314", password: "123456")
let key = Defaults.Key<[User]>("independentCustomBridgeArrayKey", default: [user])
XCTAssertEqual(Defaults[key][0], user)
let newUser = User(username: "sindresorhus", password: "123456789")
Defaults[key][0] = newUser
XCTAssertEqual(Defaults[key][0], newUser)
}
func testArrayOptionalKey() {
let key = Defaults.Key<[User]?>("independentCustomBridgeArrayOptionalKey") // swiftlint:disable:this discouraged_optional_collection
XCTAssertNil(Defaults[key])
let newUser = User(username: "hank121314", password: "123456")
Defaults[key] = [newUser]
XCTAssertEqual(Defaults[key]?[0], newUser)
Defaults[key] = nil
XCTAssertNil(Defaults[key])
}
func testNestedArrayKey() {
let key = Defaults.Key<[[User]]>("independentCustomBridgeNestedArrayKey", default: [[fixtureCustomBridge], [fixtureCustomBridge]])
XCTAssertEqual(Defaults[key][0][0].username, fixtureCustomBridge.username)
let newUsername = "John"
let newPassword = "7891011"
Defaults[key][0][0] = User(username: newUsername, password: newPassword)
XCTAssertEqual(Defaults[key][0][0].username, newUsername)
XCTAssertEqual(Defaults[key][0][0].password, newPassword)
XCTAssertEqual(Defaults[key][1][0].username, fixtureCustomBridge.username)
XCTAssertEqual(Defaults[key][1][0].password, fixtureCustomBridge.password)
}
func testArrayDictionaryKey() {
let key = Defaults.Key<[[String: User]]>("independentCustomBridgeArrayDictionaryKey", default: [["0": fixtureCustomBridge], ["0": fixtureCustomBridge]])
XCTAssertEqual(Defaults[key][0]["0"]?.username, fixtureCustomBridge.username)
let newUser = User(username: "sindresorhus", password: "123456789")
Defaults[key][0]["0"] = newUser
XCTAssertEqual(Defaults[key][0]["0"], newUser)
XCTAssertEqual(Defaults[key][1]["0"], fixtureCustomBridge)
}
func testSetKey() {
let key = Defaults.Key<Set<User>>("independentCustomBridgeSetKey", default: [fixtureCustomBridge])
XCTAssertEqual(Defaults[key].first, fixtureCustomBridge)
Defaults[key].insert(fixtureCustomBridge)
XCTAssertEqual(Defaults[key].count, 1)
let newUser = User(username: "sindresorhus", password: "123456789")
Defaults[key].insert(newUser)
XCTAssertTrue(Defaults[key].contains(newUser))
}
func testDictionaryKey() {
let key = Defaults.Key<[String: User]>("independentCustomBridgeDictionaryKey", default: ["0": fixtureCustomBridge])
XCTAssertEqual(Defaults[key]["0"], fixtureCustomBridge)
let newUser = User(username: "sindresorhus", password: "123456789")
Defaults[key]["0"] = newUser
XCTAssertEqual(Defaults[key]["0"], newUser)
}
func testDictionaryOptionalKey() {
let key = Defaults.Key<[String: User]?>("independentCustomBridgeDictionaryOptionalKey") // swiftlint:disable:this discouraged_optional_collection
XCTAssertNil(Defaults[key])
Defaults[key] = ["0": fixtureCustomBridge]
XCTAssertEqual(Defaults[key]?["0"], fixtureCustomBridge)
}
func testDictionaryArrayKey() {
let key = Defaults.Key<[String: [User]]>("independentCustomBridgeDictionaryArrayKey", default: ["0": [fixtureCustomBridge]])
XCTAssertEqual(Defaults[key]["0"]?[0], fixtureCustomBridge)
let newUser = User(username: "sindresorhus", password: "123456789")
Defaults[key]["0"]?[0] = newUser
Defaults[key]["0"]?.append(fixtureCustomBridge)
XCTAssertEqual(Defaults[key]["0"]?[0], newUser)
XCTAssertEqual(Defaults[key]["0"]?[0], newUser)
XCTAssertEqual(Defaults[key]["0"]?[1], fixtureCustomBridge)
XCTAssertEqual(Defaults[key]["0"]?[1], fixtureCustomBridge)
}
func testRecursiveKey() {
let start = PlainHourMinuteTime(hour: 1, minute: 0)
let end = PlainHourMinuteTime(hour: 2, minute: 0)
let range = PlainHourMinuteTimeRange(start: start, end: end)
let key = Defaults.Key<PlainHourMinuteTimeRange>("independentCustomBridgeRecursiveKey", default: range)
XCTAssertEqual(Defaults[key].start.hour, range.start.hour)
XCTAssertEqual(Defaults[key].start.minute, range.start.minute)
XCTAssertEqual(Defaults[key].end.hour, range.end.hour)
XCTAssertEqual(Defaults[key].end.minute, range.end.minute)
guard let rawValue = UserDefaults.standard.array(forKey: key.name) as? [String] else {
XCTFail("rawValue should not be nil")
return
}
XCTAssertEqual(rawValue, [#"{"hour":1,"minute":0}"#, #"{"hour":2,"minute":0}"#])
let next_start = PlainHourMinuteTime(hour: 3, minute: 58)
let next_end = PlainHourMinuteTime(hour: 4, minute: 59)
let next_range = PlainHourMinuteTimeRange(start: next_start, end: next_end)
Defaults[key] = next_range
XCTAssertEqual(Defaults[key].start.hour, next_range.start.hour)
XCTAssertEqual(Defaults[key].start.minute, next_range.start.minute)
XCTAssertEqual(Defaults[key].end.hour, next_range.end.hour)
XCTAssertEqual(Defaults[key].end.minute, next_range.end.minute)
guard let nextRawValue = UserDefaults.standard.array(forKey: key.name) as? [String] else {
XCTFail("nextRawValue should not be nil")
return
}
XCTAssertEqual(nextRawValue, [#"{"hour":3,"minute":58}"#, #"{"hour":4,"minute":59}"#])
}
func testType() {
XCTAssertEqual(Defaults[.customBridge], fixtureCustomBridge)
let newUser = User(username: "sindresorhus", password: "123456789")
Defaults[.customBridge] = newUser
XCTAssertEqual(Defaults[.customBridge], newUser)
}
func testArrayType() {
XCTAssertEqual(Defaults[.customBridgeArray][0], fixtureCustomBridge)
let newUser = User(username: "sindresorhus", password: "123456789")
Defaults[.customBridgeArray][0] = newUser
XCTAssertEqual(Defaults[.customBridgeArray][0], newUser)
}
func testDictionaryType() {
XCTAssertEqual(Defaults[.customBridgeDictionary]["0"], fixtureCustomBridge)
let newUser = User(username: "sindresorhus", password: "123456789")
Defaults[.customBridgeDictionary]["0"] = newUser
XCTAssertEqual(Defaults[.customBridgeDictionary]["0"], newUser)
}
func testObserveKeyCombine() {
let key = Defaults.Key<User>("observeCustomBridgeKeyCombine", default: fixtureCustomBridge)
let newUser = User(username: "sindresorhus", password: "123456789")
let expect = expectation(description: "Observation closure being called")
let publisher = Defaults
.publisher(key, options: [])
.map { ($0.oldValue, $0.newValue) }
.collect(2)
let cancellable = publisher.sink { tuples in
for (index, expected) in [(fixtureCustomBridge, newUser), (newUser, fixtureCustomBridge)].enumerated() {
XCTAssertEqual(expected.0, tuples[index].0)
XCTAssertEqual(expected.1, tuples[index].1)
}
expect.fulfill()
}
Defaults[key] = newUser
Defaults[key] = fixtureCustomBridge
cancellable.cancel()
waitForExpectations(timeout: 10)
}
func testObserveOptionalKeyCombine() {
let key = Defaults.Key<User?>("observeCustomBridgeOptionalKeyCombine")
let newUser = User(username: "sindresorhus", password: "123456789")
let expect = expectation(description: "Observation closure being called")
let publisher = Defaults
.publisher(key, options: [])
.map { ($0.oldValue, $0.newValue) }
.collect(3)
let expectedValue: [(User?, User?)] = [(nil, fixtureCustomBridge), (fixtureCustomBridge, newUser), (newUser, nil)]
let cancellable = publisher.sink { tuples in
for (index, expected) in expectedValue.enumerated() {
XCTAssertEqual(expected.0, tuples[index].0)
XCTAssertEqual(expected.1, tuples[index].1)
}
expect.fulfill()
}
Defaults[key] = fixtureCustomBridge
Defaults[key] = newUser
Defaults.reset(key)
cancellable.cancel()
waitForExpectations(timeout: 10)
}
func testObserveArrayKeyCombine() {
let key = Defaults.Key<[User]>("observeCustomBridgeArrayKeyCombine", default: [fixtureCustomBridge])
let newUser = User(username: "sindresorhus", password: "123456789")
let expect = expectation(description: "Observation closure being called")
let publisher = Defaults
.publisher(key, options: [])
.map { ($0.oldValue, $0.newValue) }
.collect(2)
let cancellable = publisher.sink { tuples in
for (index, expected) in [([fixtureCustomBridge], [newUser]), ([newUser], [newUser, fixtureCustomBridge])].enumerated() {
XCTAssertEqual(expected.0, tuples[index].0)
XCTAssertEqual(expected.1, tuples[index].1)
}
expect.fulfill()
}
Defaults[key][0] = newUser
Defaults[key].append(fixtureCustomBridge)
cancellable.cancel()
waitForExpectations(timeout: 10)
}
func testObserveDictionaryCombine() {
let key = Defaults.Key<[String: User]>("observeCustomBridgeDictionaryKeyCombine", default: ["0": fixtureCustomBridge])
let newUser = User(username: "sindresorhus", password: "123456789")
let expect = expectation(description: "Observation closure being called")
let publisher = Defaults
.publisher(key, options: [])
.map { ($0.oldValue, $0.newValue) }
.collect(2)
let cancellable = publisher.sink { tuples in
for (index, expected) in [(fixtureCustomBridge, newUser), (newUser, fixtureCustomBridge)].enumerated() {
XCTAssertEqual(expected.0, tuples[index].0["0"])
XCTAssertEqual(expected.1, tuples[index].1["0"])
}
expect.fulfill()
}
Defaults[key]["0"] = newUser
Defaults[key]["0"] = fixtureCustomBridge
cancellable.cancel()
waitForExpectations(timeout: 10)
}
func testObserveKey() {
let key = Defaults.Key<User>("observeCustomBridgeKey", default: fixtureCustomBridge)
let newUser = User(username: "sindresorhus", password: "123456789")
let expect = expectation(description: "Observation closure being called")
var observation: Defaults.Observation!
observation = Defaults.observe(key, options: []) { change in
XCTAssertEqual(change.oldValue, fixtureCustomBridge)
XCTAssertEqual(change.newValue, newUser)
observation.invalidate()
expect.fulfill()
}
Defaults[key] = newUser
observation.invalidate()
waitForExpectations(timeout: 10)
}
func testObserveOptionalKey() {
let key = Defaults.Key<User?>("observeCustomBridgeOptionalKey")
let expect = expectation(description: "Observation closure being called")
var observation: Defaults.Observation!
observation = Defaults.observe(key, options: []) { change in
XCTAssertNil(change.oldValue)
XCTAssertEqual(change.newValue, fixtureCustomBridge)
observation.invalidate()
expect.fulfill()
}
Defaults[key] = fixtureCustomBridge
observation.invalidate()
waitForExpectations(timeout: 10)
}
func testObserveArrayKey() {
let key = Defaults.Key<[User]>("observeCustomBridgeArrayKey", default: [fixtureCustomBridge])
let newUser = User(username: "sindresorhus", password: "123456789")
let expect = expectation(description: "Observation closure being called")
var observation: Defaults.Observation!
observation = Defaults.observe(key, options: []) { change in
XCTAssertEqual(change.oldValue[0], fixtureCustomBridge)
XCTAssertEqual(change.newValue[0], newUser)
observation.invalidate()
expect.fulfill()
}
Defaults[key][0] = newUser
observation.invalidate()
waitForExpectations(timeout: 10)
}
func testObserveDictionaryKey() {
let key = Defaults.Key<[String: User]>("observeCustomBridgeDictionaryKey", default: ["0": fixtureCustomBridge])
let newUser = User(username: "sindresorhus", password: "123456789")
let expect = expectation(description: "Observation closure being called")
var observation: Defaults.Observation!
observation = Defaults.observe(key, options: []) { change in
XCTAssertEqual(change.oldValue["0"], fixtureCustomBridge)
XCTAssertEqual(change.newValue["0"], newUser)
observation.invalidate()
expect.fulfill()
}
Defaults[key]["0"] = newUser
observation.invalidate()
waitForExpectations(timeout: 10)
}
}