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Support `.removeDuplicates()` for `Defaults.publisher` (#60) 

Co-authored-by: Sindre Sorhus <sindresorhus@gmail.com>
This commit is contained in:
iurii iaremenko 2021-02-20 15:29:15 +02:00 committed by GitHub
parent 030c70a55e
commit 760dbfb077
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2 changed files with 121 additions and 0 deletions
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8
Sources/Defaults/Observation.swift
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@ -446,3 +446,11 @@ extension Defaults.ObservationOptions {
return options return options
} }
} }
@available(macOS 10.13, macOSApplicationExtension 10.13, watchOSApplicationExtension 4.0, *)
extension Defaults.NSSecureCodingKeyChange: Equatable where Value: Equatable { }
@available(macOS 10.13, macOSApplicationExtension 10.13, watchOSApplicationExtension 4.0, *)
extension Defaults.NSSecureCodingOptionalKeyChange: Equatable where Value: Equatable { }
extension Defaults.KeyChange: Equatable where Value: Equatable { }

113
Tests/DefaultsTests/DefaultsTests.swift
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@ -812,4 +812,117 @@ final class DefaultsTests: XCTestCase {
} }
} }
} }
@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
func testRemoveDuplicatesObserveKeyCombine() {
let key = Defaults.Key<Bool>("observeKey", default: false)
let expect = expectation(description: "Observation closure being called")
let inputArray = [true, false, false, false, false, false, false, true]
let expectedArray = [true, false, true]
let cancellable = Defaults
.publisher(key, options: [])
.removeDuplicates()
.map(\.newValue)
.collect(expectedArray.count)
.sink { result in
print("Result array: \(result)")
result == expectedArray ? expect.fulfill() : XCTFail("Expected Array is not matched")
}
inputArray.forEach {
Defaults[key] = $0
}
Defaults.reset(key)
cancellable.cancel()
waitForExpectations(timeout: 10)
}
@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
func testRemoveDuplicatesOptionalObserveKeyCombine() {
let key = Defaults.Key<Bool?>("observeOptionalKey", default: nil)
let expect = expectation(description: "Observation closure being called")
let inputArray = [true, nil, nil, nil, false, false, false, nil]
let expectedArray = [true, nil, false, nil]
let cancellable = Defaults
.publisher(key, options: [])
.removeDuplicates()
.map(\.newValue)
.collect(expectedArray.count)
.sink { result in
print("Result array: \(result)")
result == expectedArray ? expect.fulfill() : XCTFail("Expected Array is not matched")
}
inputArray.forEach {
Defaults[key] = $0
}
Defaults.reset(key)
cancellable.cancel()
waitForExpectations(timeout: 10)
}
@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
func testRemoveDuplicatesObserveNSSecureCodingKeyCombine() {
let key = Defaults.NSSecureCodingKey<ExamplePersistentHistory>("observeNSSecureCodingKey", default: ExamplePersistentHistory(value: "TestValue"))
let expect = expectation(description: "Observation closure being called")
let inputArray = ["NewTestValue", "NewTestValue", "NewTestValue", "NewTestValue2", "NewTestValue2", "NewTestValue2", "NewTestValue3", "NewTestValue3"]
let expectedArray = ["NewTestValue", "NewTestValue2", "NewTestValue3"]
let cancellable = Defaults
.publisher(key, options: [])
.removeDuplicates()
.map(\.newValue.value)
.collect(expectedArray.count)
.sink { result in
print("Result array: \(result)")
result == expectedArray ? expect.fulfill() : XCTFail("Expected Array is not matched")
}
inputArray.forEach {
Defaults[key] = ExamplePersistentHistory(value: $0)
}
Defaults.reset(key)
cancellable.cancel()
waitForExpectations(timeout: 10)
}
@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.0, iOSApplicationExtension 13.0, macOSApplicationExtension 10.15, tvOSApplicationExtension 13.0, watchOSApplicationExtension 6.0, *)
func testRemoveDuplicatesObserveNSSecureCodingOptionalKeyCombine() {
let key = Defaults.NSSecureCodingOptionalKey<ExamplePersistentHistory>("observeNSSecureCodingOptionalKey")
let expect = expectation(description: "Observation closure being called")
let inputArray = ["NewTestValue", "NewTestValue", "NewTestValue", "NewTestValue2", "NewTestValue2", "NewTestValue2", "NewTestValue3", "NewTestValue3"]
let expectedArray = ["NewTestValue", "NewTestValue2", "NewTestValue3", nil]
let cancellable = Defaults
.publisher(key, options: [])
.removeDuplicates()
.map(\.newValue)
.map { $0?.value }
.collect(expectedArray.count)
.sink { result in
print("Result array: \(result)")
result == expectedArray ? expect.fulfill() : XCTFail("Expected Array is not matched")
}
inputArray.forEach {
Defaults[key] = ExamplePersistentHistory(value: $0)
}
Defaults.reset(key)
cancellable.cancel()
waitForExpectations(timeout: 10)
}
} }