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DefaultsArrayTests.swift
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DefaultsArrayTests.swift
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import Foundation
import Defaults
import XCTest
private let fixtureArray = ["Hank", "Chen"]
extension Defaults.Keys {
fileprivate static let array = Key<[String]>("array", default: fixtureArray)
}
final class DefaultsArrayTests: XCTestCase {
override func setUp() {
super.setUp()
Defaults.removeAll()
}
override func tearDown() {
super.tearDown()
Defaults.removeAll()
}
func testKey() {
let key = Defaults.Key<[String]>("independentArrayStringKey", default: fixtureArray)
XCTAssertEqual(Defaults[key][0], fixtureArray[0])
let newValue = "John"
Defaults[key][0] = newValue
XCTAssertEqual(Defaults[key][0], newValue)
}
func testOptionalKey() {
let key = Defaults.Key<[String]?>("independentArrayOptionalStringKey") // swiftlint:disable:this discouraged_optional_collection
XCTAssertNil(Defaults[key])
Defaults[key] = fixtureArray
XCTAssertEqual(Defaults[key]?[0], fixtureArray[0])
Defaults[key] = nil
XCTAssertNil(Defaults[key])
let newValue = ["John", "Chen"]
Defaults[key] = newValue
XCTAssertEqual(Defaults[key]?[0], newValue[0])
}
func testNestedKey() {
let defaultValue = ["Hank", "Chen"]
let key = Defaults.Key<[[String]]>("independentArrayNestedKey", default: [defaultValue])
XCTAssertEqual(Defaults[key][0][0], "Hank")
let newValue = ["Sindre", "Sorhus"]
Defaults[key][0] = newValue
Defaults[key].append(defaultValue)
XCTAssertEqual(Defaults[key][0][0], newValue[0])
XCTAssertEqual(Defaults[key][0][1], newValue[1])
XCTAssertEqual(Defaults[key][1][0], defaultValue[0])
XCTAssertEqual(Defaults[key][1][1], defaultValue[1])
}
func testDictionaryKey() {
let defaultValue = ["0": "HankChen"]
let key = Defaults.Key<[[String: String]]>("independentArrayDictionaryKey", default: [defaultValue])
XCTAssertEqual(Defaults[key][0]["0"], defaultValue["0"])
let newValue = ["0": "SindreSorhus"]
Defaults[key][0] = newValue
Defaults[key].append(defaultValue)
XCTAssertEqual(Defaults[key][0]["0"], newValue["0"])
XCTAssertEqual(Defaults[key][1]["0"], defaultValue["0"])
}
func testNestedDictionaryKey() {
let defaultValue = ["0": [["0": 0]]]
let key = Defaults.Key<[[String: [[String: Int]]]]>("independentArrayNestedDictionaryKey", default: [defaultValue])
XCTAssertEqual(Defaults[key][0]["0"]![0]["0"], 0)
let newValue = 1
Defaults[key][0]["0"]![0]["0"] = newValue
Defaults[key].append(defaultValue)
XCTAssertEqual(Defaults[key][1]["0"]![0]["0"], 0)
XCTAssertEqual(Defaults[key][0]["0"]![0]["0"], newValue)
}
func testType() {
XCTAssertEqual(Defaults[.array][0], fixtureArray[0])
let newName = "Hank121314"
Defaults[.array][0] = newName
XCTAssertEqual(Defaults[.array][0], newName)
}
func testObserveKeyCombine() {
let key = Defaults.Key<[String]>("observeArrayKeyCombine", default: fixtureArray)
let newName = "Chen"
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 [(fixtureArray[0], newName), (newName, fixtureArray[0])].enumerated() {
XCTAssertEqual(expected.0, tuples[index].0[0])
XCTAssertEqual(expected.1, tuples[index].1[0])
}
expect.fulfill()
}
Defaults[key][0] = newName
Defaults.reset(key)
cancellable.cancel()
waitForExpectations(timeout: 10)
}
func testObserveOptionalKeyCombine() {
let key = Defaults.Key<[String]?>("observeArrayOptionalKeyCombine") // swiftlint:disable:this discouraged_optional_collection
let newName = ["Chen"]
let expect = expectation(description: "Observation closure being called")
let publisher = Defaults
.publisher(key, options: [])
.map { ($0.oldValue, $0.newValue) }
.collect(3)
// swiftlint:disable:next discouraged_optional_collection
let expectedValues: [([String]?, [String]?)] = [(nil, fixtureArray), (fixtureArray, newName), (newName, nil)]
let cancellable = publisher.sink { actualValues in
for (expected, actual) in zip(expectedValues, actualValues) {
XCTAssertEqual(expected.0, actual.0)
XCTAssertEqual(expected.1, actual.1)
}
expect.fulfill()
}
Defaults[key] = fixtureArray
Defaults[key] = newName
Defaults.reset(key)
cancellable.cancel()
waitForExpectations(timeout: 10)
}
func testObserveKey() {
let key = Defaults.Key<[String]>("observeArrayKey", default: fixtureArray)
let newName = "John"
let expect = expectation(description: "Observation closure being called")
var observation: Defaults.Observation!
observation = Defaults.observe(key, options: []) { change in
XCTAssertEqual(change.oldValue, fixtureArray)
XCTAssertEqual(change.newValue, [fixtureArray[0], newName])
observation.invalidate()
expect.fulfill()
}
Defaults[key][1] = newName
observation.invalidate()
waitForExpectations(timeout: 10)
}
func testObserveOptionalKey() {
let key = Defaults.Key<[String]?>("observeArrayOptionalKey") // swiftlint:disable:this discouraged_optional_collection
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!, fixtureArray)
observation.invalidate()
expect.fulfill()
}
Defaults[key] = fixtureArray
observation.invalidate()
waitForExpectations(timeout: 10)
}
}