CSV/Tests/CSVTests/SerializerTests.swift

131 lines
3.7 KiB
Swift

import XCTest
import CSV
final class SerializerTests: XCTestCase {
func testSyncSerialize() {
let serializer = SyncSerializer(configuration: Config.default)
let serialized = serializer.serialize(orderedData)
let string = String(decoding: serialized, as: UTF8.self)
XCTAssertEqual(string, expected)
}
func testMeasuerSyncSerializer() {
let serializer = SyncSerializer()
// 6.679
measure {
for _ in 0..<100_000 {
_ = serializer.serialize(orderedData)
}
}
}
func testChunkedSerialize() throws {
var rows: [[UInt8]] = []
var serializer = Serializer(configuration: Config.default) { row in rows.append(row) }
for chunk in orderedChunks {
try serializer.serialize(chunk).get()
}
let string = String(decoding: Array(rows.joined(separator: [10])), as: UTF8.self)
XCTAssertEqual(string, expected)
}
func testMeasureChunkedSerialize() {
var serializer = Serializer { _ in return }
// 5.896
measure {
for _ in 0..<100_000 {
orderedChunks.forEach { chunk in serializer.serialize(chunk) }
}
}
}
func testEscapedDelimiter() {
let quoteData: OrderedKeyedCollection = ["list": ["Standard string", #"A string with "quotes""#]]
let hashData: OrderedKeyedCollection = ["list": ["Some string without hashes", "A #string with# hashes"]]
let quoteResult = """
"list"
"Standard string"
"A string with ""quotes""\"
"""
let hashResult = """
#list#
#Some string without hashes#
#A ##string with## hashes#
"""
let quoteSerializer = SyncSerializer()
let hashSerializer = SyncSerializer(configuration: .init(cellSeparator: 44, cellDelimiter: 35))
XCTAssertEqual(quoteSerializer.serialize(quoteData), Array(quoteResult.utf8))
XCTAssertEqual(hashSerializer.serialize(hashData), Array(hashResult.utf8))
}
func testMismatchColumnLength() throws {
let data: OrderedKeyedCollection = [
"names": ["Ralph", "Caleb", "Gwynne", "Tim", "Tanner", "Logan", "Joannis"],
"specialties": ["Manager", "Grunt", "Know-it-All", "Vapor", "Rockets"]
]
let serializer = SyncSerializer()
let result = String(decoding: serializer.serialize(data), as: UTF8.self)
let match = """
"names","specialties"
"Ralph","Manager"
"Caleb","Grunt"
"Gwynne","Know-it-All"
"Tim","Vapor"
"Tanner","Rockets"
"Logan",
"Joannis",
"""
XCTAssertEqual(result, match)
}
}
internal struct OrderedKeyedCollection<K, V>: KeyedCollection, ExpressibleByDictionaryLiteral where K: Hashable {
typealias Index = Int
typealias Element = (key: Key, value: Value)
typealias Key = K
typealias Keys = Array<K>
typealias Value = V
typealias Values = Array<V>
private(set) var keys: Array<K>
private(set) var values: Array<V>
var startIndex: Int {
return self.keys.startIndex
}
var endIndex: Int {
return self.keys.endIndex
}
init(dictionaryLiteral elements: (Key, Value)...) {
self.keys = elements.map { $0.0 }
self.values = elements.map { $0.1 }
}
subscript(position: Int) -> (key: K, value: V) {
get {
return (self.keys[position], self.values[position])
}
set {
self.keys[position] = newValue.key
self.values[position] = newValue.value
}
}
func index(after i: Int) -> Int {
return self.keys.index(after: i)
}
}