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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift Async Algorithms open source project
//
// Copyright (c) 2022 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
//
//===----------------------------------------------------------------------===//
import XCTest
import AsyncSequenceValidation
import AsyncAlgorithms
@Sendable
func sumCharacters(_ array: [String]) -> String {
return "\(array.reduce(into: 0) { $0 = $0 + Int($1)! })"
}
@Sendable
func concatCharacters(_ array: [String]) -> String {
return array.joined()
}
final class TestChunk: XCTestCase {
func test_count_one() {
validate {
"ABCDE|"
$0.inputs[0].chunks(ofCount: 1).map(concatCharacters)
"ABCDE|"
}
}
func test_signal_equalChunks() {
validate {
"ABC- DEF- GHI- |"
"---X ---X ---X |"
$0.inputs[0].chunked(by: $0.inputs[1]).map(concatCharacters)
"---'ABC'---'DEF'---'GHI'|"
}
}
func test_signal_unequalChunks() {
validate {
"AB- A-ABCDEFGH- |"
"--X -X--------X |"
$0.inputs[0].chunked(by: $0.inputs[1]).map(concatCharacters)
"--'AB'-A--------'ABCDEFGH'|"
}
}
func test_signal_emptyChunks() {
validate {
"--1--|"
"XX-XX|"
$0.inputs[0].chunked(by: $0.inputs[1]).map(concatCharacters)
"---1-|"
}
}
func test_signal_error() {
validate {
"AB^"
"---X|"
$0.inputs[0].chunked(by: $0.inputs[1]).map(concatCharacters)
"--^"
}
}
func test_signal_unsignaledTrailingChunk() {
validate {
"111-111|"
"---X---|"
$0.inputs[0].chunked(by: $0.inputs[1]).map(sumCharacters)
"---3---[3|]"
}
}
func test_signalAndCount_signalAlwaysPrevails() {
validate {
"AB- A-ABCDEFGH- |"
"--X -X--------X |"
$0.inputs[0].chunks(ofCount: 42, or: $0.inputs[1]).map(concatCharacters)
"--'AB'-A--------'ABCDEFGH'|"
}
}
func test_signalAndCount_countAlwaysPrevails() {
validate {
"AB --A-B -|"
"-- X---- X|"
$0.inputs[0].chunks(ofCount: 2, or: $0.inputs[1]).map(concatCharacters)
"-'AB'----'AB'-|"
}
}
func test_signalAndCount_countResetsAfterCount() {
validate {
"ABCDE -ABCDE |"
"----- ------ |"
$0.inputs[0].chunks(ofCount: 5, or: $0.inputs[1]).map(concatCharacters)
"----'ABCDE'-----'ABCDE'|"
}
}
func test_signalAndCount_countResetsAfterSignal() {
validate {
"AB- ABCDE |"
"--X ----- |"
$0.inputs[0].chunks(ofCount: 5, or: $0.inputs[1]).map(concatCharacters)
"--'AB'----'ABCDE'|"
}
}
func test_signalAndCount_error() {
validate {
"ABC^"
"----X|"
$0.inputs[0].chunks(ofCount: 5, or: $0.inputs[1]).map(concatCharacters)
"---^"
}
}
func test_time_equalChunks() throws {
guard #available(macOS 13.0, iOS 16.0, watchOS 9.0, tvOS 16.0, *) else { throw XCTSkip("Skipped due to Clock/Instant/Duration availability") }
validate {
"ABC- DEF- GHI- |"
$0.inputs[0].chunked(by: .repeating(every: .steps(4), clock: $0.clock)).map(concatCharacters)
"---'ABC'---'DEF'---'GHI'|"
}
}
func test_time_unequalChunks() throws {
guard #available(macOS 13.0, iOS 16.0, watchOS 9.0, tvOS 16.0, *) else { throw XCTSkip("Skipped due to Clock/Instant/Duration availability") }
validate {
"AB------ A------- ABCDEFG- |"
$0.inputs[0].chunked(by: .repeating(every: .steps(8), clock: $0.clock)).map(concatCharacters)
"-------'AB' -------A -------'ABCDEFG'|"
}
}
func test_time_emptyChunks() throws {
guard #available(macOS 13.0, iOS 16.0, watchOS 9.0, tvOS 16.0, *) else { throw XCTSkip("Skipped due to Clock/Instant/Duration availability") }
validate {
"-- 1- --|"
$0.inputs[0].chunked(by: .repeating(every: .steps(2), clock: $0.clock)).map(concatCharacters)
"-- -1 --|"
}
}
func test_time_error() throws {
guard #available(macOS 13.0, iOS 16.0, watchOS 9.0, tvOS 16.0, *) else { throw XCTSkip("Skipped due to Clock/Instant/Duration availability") }
validate {
"AB^"
$0.inputs[0].chunked(by: .repeating(every: .steps(5), clock: $0.clock)).map(concatCharacters)
"--^"
}
}
func test_time_unsignaledTrailingChunk() throws {
guard #available(macOS 13.0, iOS 16.0, watchOS 9.0, tvOS 16.0, *) else { throw XCTSkip("Skipped due to Clock/Instant/Duration availability") }
validate {
"111-111|"
$0.inputs[0].chunked(by: .repeating(every: .steps(4), clock: $0.clock)).map(sumCharacters)
"---3---[3|]"
}
}
func test_timeAndCount_timeAlwaysPrevails() throws {
guard #available(macOS 13.0, iOS 16.0, watchOS 9.0, tvOS 16.0, *) else { throw XCTSkip("Skipped due to Clock/Instant/Duration availability") }
validate {
"AB------ A------- ABCDEFG- |"
$0.inputs[0].chunks(ofCount: 42, or: .repeating(every: .steps(8), clock: $0.clock)).map(concatCharacters)
"-------'AB' -------A -------'ABCDEFG'|"
}
}
func test_timeAndCount_countAlwaysPrevails() throws {
guard #available(macOS 13.0, iOS 16.0, watchOS 9.0, tvOS 16.0, *) else { throw XCTSkip("Skipped due to Clock/Instant/Duration availability") }
validate {
"AB --A-B -|"
$0.inputs[0].chunks(ofCount: 2, or: .repeating(every: .steps(8), clock: $0.clock)).map(concatCharacters)
"-'AB'----'AB'-|"
}
}
func test_timeAndCount_countResetsAfterCount() throws {
guard #available(macOS 13.0, iOS 16.0, watchOS 9.0, tvOS 16.0, *) else { throw XCTSkip("Skipped due to Clock/Instant/Duration availability") }
validate {
"ABCDE --- ABCDE |"
$0.inputs[0].chunks(ofCount: 5, or: .repeating(every: .steps(8), clock: $0.clock)).map(concatCharacters)
"----'ABCDE'--- ----'ABCDE'|"
}
}
func test_timeAndCount_countResetsAfterSignal() throws {
guard #available(macOS 13.0, iOS 16.0, watchOS 9.0, tvOS 16.0, *) else { throw XCTSkip("Skipped due to Clock/Instant/Duration availability") }
validate {
"AB------ ABCDE |"
$0.inputs[0].chunks(ofCount: 5, or: .repeating(every: .steps(8), clock: $0.clock)).map(concatCharacters)
"-------'AB' ----'ABCDE'|"
}
}
func test_timeAndCount_error() throws {
guard #available(macOS 13.0, iOS 16.0, watchOS 9.0, tvOS 16.0, *) else { throw XCTSkip("Skipped due to Clock/Instant/Duration availability") }
validate {
"ABC^"
$0.inputs[0].chunks(ofCount: 5, or: .repeating(every: .steps(8), clock: $0.clock)).map(concatCharacters)
"---^"
}
}
func test_count() {
validate {
"ABC DEF |"
$0.inputs[0].chunks(ofCount: 3).map(concatCharacters)
"--'ABC'--'DEF'|"
}
}
func test_count_nonuniformTiming() {
validate {
"A--B-C --DE-F |"
$0.inputs[0].chunks(ofCount: 3).map(concatCharacters)
"-----'ABC'-----'DEF'|"
}
}
func test_count_trailingChunk() {
validate {
"11111|"
$0.inputs[0].chunks(ofCount: 3).map(sumCharacters)
"--3--[2|]"
}
}
func test_count_error() {
validate {
"AB^"
$0.inputs[0].chunks(ofCount: 3).map(concatCharacters)
"--^"
}
}
func test_group() {
validate {
"ABC def GH ij Kl|"
$0.inputs[0].chunked(by: { $0.first!.isUppercase == $1.first!.isUppercase }).map(concatCharacters)
"---'ABC'--'def'-'GH'-'ij'K[l|]"
}
}
func test_group_singleValue() {
validate {
"A----|"
$0.inputs[0].chunked(by: { $0.first!.isUppercase == $1.first!.isUppercase }).map(concatCharacters)
"-----[A|]"
}
}
func test_group_singleGroup() {
validate {
"ABCDE|"
$0.inputs[0].chunked(by: { _, _ in true }).map(concatCharacters)
"-----['ABCDE'|]"
}
}
func test_group_error() {
validate {
"AB^"
$0.inputs[0].chunked(by: { $0.first!.isUppercase == $1.first!.isUppercase }).map(concatCharacters)
"--^"
}
}
func test_projection() {
validate {
"A'Aa''ab' b'BB''bb' 'cc''CC' |"
$0.inputs[0].chunked(on: { $0.first!.lowercased() }).map { concatCharacters($0.1.map( {String($0.first!)} ) ) }
"-- - 'AAa' - - 'bBb' - ['cC'|]"
}
}
func test_projection_singleValue() {
validate {
"A----|"
$0.inputs[0].chunked(on: { $0.first!.lowercased() }).map { concatCharacters($0.1.map( {String($0.first!)} ) ) }
"-----[A|]"
}
}
func test_projection_singleGroup() {
validate {
"ABCDE|"
$0.inputs[0].chunked(on: { _ in 42 }).map { concatCharacters($0.1.map( {String($0.first!)} ) ) }
"-----['ABCDE'|]"
}
}
func test_projection_error() {
validate {
"Aa^"
$0.inputs[0].chunked(on: { $0.first!.lowercased() }).map { concatCharacters($0.1.map( {String($0.first!)} ) ) }
"--^"
}
}
}
|
