Files
data-lite-coder/Tests/DLCEncoderTests/KeyedContainerTests.swift

506 lines
18 KiB
Swift

import XCTest
import DataLiteCore
import DLCCommon
@testable import DLCEncoder
final class KeyedContainerTests: XCTestCase {
func testEncodeNil() throws {
let encoder = MockSingleRowEncoder()
var container = KeyedEncodingContainer(
KeyedContainer<MockSingleRowEncoder, CodingKeys>(
encoder: encoder, codingPath: []
)
)
try container.encodeNil(forKey: .key1)
XCTAssertEqual(encoder.sqliteData.count, 1)
XCTAssertEqual(encoder.sqliteData[CodingKeys.key1.stringValue], .null)
}
func testEncodeBool() throws {
let encoder = MockSingleRowEncoder()
var container = KeyedEncodingContainer(
KeyedContainer<MockSingleRowEncoder, CodingKeys>(
encoder: encoder, codingPath: []
)
)
try container.encodeIfPresent(true, forKey: .key1)
try container.encodeIfPresent(false, forKey: .key2)
try container.encodeIfPresent(nil as Bool?, forKey: .key3)
XCTAssertEqual(encoder.sqliteData.count, 3)
XCTAssertEqual(encoder.sqliteData[CodingKeys.key1.stringValue], .int(1))
XCTAssertEqual(encoder.sqliteData[CodingKeys.key2.stringValue], .int(0))
XCTAssertEqual(encoder.sqliteData[CodingKeys.key3.stringValue], .null)
}
func testEncodeString() throws {
let encoder = MockSingleRowEncoder()
var container = KeyedEncodingContainer(
KeyedContainer<MockSingleRowEncoder, CodingKeys>(
encoder: encoder, codingPath: []
)
)
try container.encodeIfPresent("test", forKey: .key1)
try container.encodeIfPresent(nil as String?, forKey: .key2)
XCTAssertEqual(encoder.sqliteData.count, 2)
XCTAssertEqual(encoder.sqliteData[CodingKeys.key1.stringValue], .text("test"))
XCTAssertEqual(encoder.sqliteData[CodingKeys.key2.stringValue], .null)
}
func testEncodeDouble() throws {
let encoder = MockSingleRowEncoder()
var container = KeyedEncodingContainer(
KeyedContainer<MockSingleRowEncoder, CodingKeys>(
encoder: encoder, codingPath: []
)
)
try container.encodeIfPresent(Double(3.14), forKey: .key1)
try container.encodeIfPresent(nil as Double?, forKey: .key2)
XCTAssertEqual(encoder.sqliteData.count, 2)
XCTAssertEqual(encoder.sqliteData[CodingKeys.key1.stringValue], .real(3.14))
XCTAssertEqual(encoder.sqliteData[CodingKeys.key2.stringValue], .null)
}
func testEncodeFloat() throws {
let encoder = MockSingleRowEncoder()
var container = KeyedEncodingContainer(
KeyedContainer<MockSingleRowEncoder, CodingKeys>(
encoder: encoder, codingPath: []
)
)
try container.encodeIfPresent(Float(3.14), forKey: .key1)
try container.encodeIfPresent(nil as Float?, forKey: .key2)
XCTAssertEqual(encoder.sqliteData.count, 2)
XCTAssertEqual(encoder.sqliteData[CodingKeys.key1.stringValue], .real(Double(Float(3.14))))
XCTAssertEqual(encoder.sqliteData[CodingKeys.key2.stringValue], .null)
}
func testEncodeInt() throws {
let encoder = MockSingleRowEncoder()
var container = KeyedEncodingContainer(
KeyedContainer<MockSingleRowEncoder, CodingKeys>(
encoder: encoder, codingPath: []
)
)
try container.encodeIfPresent(Int(42), forKey: .key1)
try container.encodeIfPresent(nil as Int?, forKey: .key2)
XCTAssertEqual(encoder.sqliteData.count, 2)
XCTAssertEqual(encoder.sqliteData[CodingKeys.key1.stringValue], .int(42))
XCTAssertEqual(encoder.sqliteData[CodingKeys.key2.stringValue], .null)
}
func testEncodeInt8() throws {
let encoder = MockSingleRowEncoder()
var container = KeyedEncodingContainer(
KeyedContainer<MockSingleRowEncoder, CodingKeys>(
encoder: encoder, codingPath: []
)
)
try container.encodeIfPresent(Int8(8), forKey: .key1)
try container.encodeIfPresent(nil as Int8?, forKey: .key2)
XCTAssertEqual(encoder.sqliteData.count, 2)
XCTAssertEqual(encoder.sqliteData[CodingKeys.key1.stringValue], .int(Int64(8)))
XCTAssertEqual(encoder.sqliteData[CodingKeys.key2.stringValue], .null)
}
func testEncodeInt16() throws {
let encoder = MockSingleRowEncoder()
var container = KeyedEncodingContainer(
KeyedContainer<MockSingleRowEncoder, CodingKeys>(
encoder: encoder, codingPath: []
)
)
try container.encodeIfPresent(Int16(16), forKey: .key1)
try container.encodeIfPresent(nil as Int16?, forKey: .key2)
XCTAssertEqual(encoder.sqliteData.count, 2)
XCTAssertEqual(encoder.sqliteData[CodingKeys.key1.stringValue], .int(Int64(16)))
XCTAssertEqual(encoder.sqliteData[CodingKeys.key2.stringValue], .null)
}
func testEncodeInt32() throws {
let encoder = MockSingleRowEncoder()
var container = KeyedEncodingContainer(
KeyedContainer<MockSingleRowEncoder, CodingKeys>(
encoder: encoder, codingPath: []
)
)
try container.encodeIfPresent(Int32(32), forKey: .key1)
try container.encodeIfPresent(nil as Int32?, forKey: .key2)
XCTAssertEqual(encoder.sqliteData.count, 2)
XCTAssertEqual(encoder.sqliteData[CodingKeys.key1.stringValue], .int(Int64(32)))
XCTAssertEqual(encoder.sqliteData[CodingKeys.key2.stringValue], .null)
}
func testEncodeInt64() throws {
let encoder = MockSingleRowEncoder()
var container = KeyedEncodingContainer(
KeyedContainer<MockSingleRowEncoder, CodingKeys>(
encoder: encoder, codingPath: []
)
)
try container.encodeIfPresent(Int64(64), forKey: .key1)
try container.encodeIfPresent(nil as Int64?, forKey: .key2)
XCTAssertEqual(encoder.sqliteData.count, 2)
XCTAssertEqual(encoder.sqliteData[CodingKeys.key1.stringValue], .int(64))
XCTAssertEqual(encoder.sqliteData[CodingKeys.key2.stringValue], .null)
}
func testEncodeUInt() throws {
let encoder = MockSingleRowEncoder()
var container = KeyedEncodingContainer(
KeyedContainer<MockSingleRowEncoder, CodingKeys>(
encoder: encoder, codingPath: []
)
)
try container.encodeIfPresent(UInt(42), forKey: .key1)
try container.encodeIfPresent(nil as UInt?, forKey: .key2)
XCTAssertEqual(encoder.sqliteData.count, 2)
XCTAssertEqual(encoder.sqliteData[CodingKeys.key1.stringValue], .int(42))
XCTAssertEqual(encoder.sqliteData[CodingKeys.key2.stringValue], .null)
}
func testEncodeUInt8() throws {
let encoder = MockSingleRowEncoder()
var container = KeyedEncodingContainer(
KeyedContainer<MockSingleRowEncoder, CodingKeys>(
encoder: encoder, codingPath: []
)
)
try container.encodeIfPresent(UInt8(8), forKey: .key1)
try container.encodeIfPresent(nil as UInt8?, forKey: .key2)
XCTAssertEqual(encoder.sqliteData.count, 2)
XCTAssertEqual(encoder.sqliteData[CodingKeys.key1.stringValue], .int(8))
XCTAssertEqual(encoder.sqliteData[CodingKeys.key2.stringValue], .null)
}
func testEncodeUInt16() throws {
let encoder = MockSingleRowEncoder()
var container = KeyedEncodingContainer(
KeyedContainer<MockSingleRowEncoder, CodingKeys>(
encoder: encoder, codingPath: []
)
)
try container.encodeIfPresent(UInt16(16), forKey: .key1)
try container.encodeIfPresent(nil as UInt16?, forKey: .key2)
XCTAssertEqual(encoder.sqliteData.count, 2)
XCTAssertEqual(encoder.sqliteData[CodingKeys.key1.stringValue], .int(16))
XCTAssertEqual(encoder.sqliteData[CodingKeys.key2.stringValue], .null)
}
func testEncodeUInt32() throws {
let encoder = MockSingleRowEncoder()
var container = KeyedEncodingContainer(
KeyedContainer<MockSingleRowEncoder, CodingKeys>(
encoder: encoder, codingPath: []
)
)
try container.encodeIfPresent(UInt32(32), forKey: .key1)
try container.encodeIfPresent(nil as UInt32?, forKey: .key2)
XCTAssertEqual(encoder.sqliteData.count, 2)
XCTAssertEqual(encoder.sqliteData[CodingKeys.key1.stringValue], .int(32))
XCTAssertEqual(encoder.sqliteData[CodingKeys.key2.stringValue], .null)
}
func testEncodeUInt64() throws {
let encoder = MockSingleRowEncoder()
var container = KeyedEncodingContainer(
KeyedContainer<MockSingleRowEncoder, CodingKeys>(
encoder: encoder, codingPath: []
)
)
try container.encodeIfPresent(UInt64(64), forKey: .key1)
try container.encodeIfPresent(nil as UInt64?, forKey: .key2)
XCTAssertEqual(encoder.sqliteData.count, 2)
XCTAssertEqual(encoder.sqliteData[CodingKeys.key1.stringValue], .int(64))
XCTAssertEqual(encoder.sqliteData[CodingKeys.key2.stringValue], .null)
}
func testEncodeDate() throws {
let date = Date()
let dateString = ISO8601DateFormatter().string(from: date)
let encoder = MockSingleRowEncoder()
var container = KeyedEncodingContainer(
KeyedContainer<MockSingleRowEncoder, CodingKeys>(
encoder: encoder, codingPath: []
)
)
try container.encodeIfPresent(date, forKey: .key1)
try container.encodeIfPresent(nil as Date?, forKey: .key2)
XCTAssertEqual(encoder.sqliteData.count, 2)
XCTAssertEqual(encoder.sqliteData[CodingKeys.key1.stringValue], .text(dateString))
XCTAssertEqual(encoder.sqliteData[CodingKeys.key2.stringValue], .null)
}
func testEncodeRawRepresentable() throws {
let encoder = MockSingleRowEncoder()
var container = KeyedEncodingContainer(
KeyedContainer<MockSingleRowEncoder, CodingKeys>(
encoder: encoder, codingPath: []
)
)
try container.encodeIfPresent(RawRepresentableModel.test, forKey: .key1)
try container.encodeIfPresent(nil as RawRepresentableModel?, forKey: .key2)
XCTAssertEqual(encoder.sqliteData.count, 2)
XCTAssertEqual(encoder.sqliteData[CodingKeys.key1.stringValue], .text(RawRepresentableModel.test.rawValue))
XCTAssertEqual(encoder.sqliteData[CodingKeys.key2.stringValue], .null)
}
func testEncodeEncodable() throws {
let encoder = MockSingleRowEncoder()
var container = KeyedEncodingContainer(
KeyedContainer<MockSingleRowEncoder, CodingKeys>(
encoder: encoder, codingPath: []
)
)
try container.encodeIfPresent(EncodableModel.test, forKey: .key1)
try container.encodeIfPresent(nil as EncodableModel?, forKey: .key2)
XCTAssertEqual(encoder.sqliteData.count, 2)
XCTAssertEqual(encoder.sqliteData[CodingKeys.key1.stringValue], .text(EncodableModel.test.rawValue))
XCTAssertEqual(encoder.sqliteData[CodingKeys.key2.stringValue], .null)
}
func testNestedKeyedContainer() {
let encoder = MockSingleRowEncoder()
var container = KeyedEncodingContainer(
KeyedContainer<MockSingleRowEncoder, CodingKeys>(
encoder: encoder, codingPath: [CodingKeys.key1]
)
)
let nestedContainer = container.nestedContainer(
keyedBy: CodingKeys.self, forKey: .key3
)
XCTAssertEqual(nestedContainer.codingPath as? [CodingKeys], [.key1, .key3])
}
func testNestedUnkeyedContainer() {
let encoder = MockSingleRowEncoder()
var container = KeyedEncodingContainer(
KeyedContainer<MockSingleRowEncoder, CodingKeys>(
encoder: encoder, codingPath: [CodingKeys.key1]
)
)
let nestedContainer = container.nestedUnkeyedContainer(forKey: .key3)
XCTAssertTrue(nestedContainer is FailedEncodingContainer<RowCodingKey>)
XCTAssertEqual(nestedContainer.codingPath as? [CodingKeys], [.key1, .key3])
}
func testSuperEncoder() {
let encoder = MockSingleRowEncoder()
var container = KeyedEncodingContainer(
KeyedContainer<MockSingleRowEncoder, CodingKeys>(
encoder: encoder, codingPath: [CodingKeys.key1]
)
)
let superEncoder = container.superEncoder()
XCTAssertTrue(superEncoder is FailedEncoder)
XCTAssertEqual(superEncoder.codingPath as? [CodingKeys], [.key1])
}
func testSuperEncoderForKey() {
let encoder = MockSingleRowEncoder()
var container = KeyedEncodingContainer(
KeyedContainer<MockSingleRowEncoder, CodingKeys>(
encoder: encoder, codingPath: [CodingKeys.key1]
)
)
let superEncoder = container.superEncoder(forKey: .key3)
XCTAssertTrue(superEncoder is FailedEncoder)
XCTAssertEqual(superEncoder.codingPath as? [CodingKeys], [.key1, .key3])
}
}
private extension KeyedContainerTests {
enum CodingKeys: CodingKey {
case key1
case key2
case key3
}
enum RawRepresentableModel: String, Encodable, SQLiteRawRepresentable {
case test
}
enum EncodableModel: String, Encodable {
case test
}
final class MockDateEncoder: DateEncoder {
func encode(_ date: Date, to encoder: any ValueEncoder) throws {
fatalError()
}
func encode(_ date: Date, for key: any CodingKey, to encoder: any RowEncoder) throws {
let formatter = ISO8601DateFormatter()
let dateString = formatter.string(from: date)
try encoder.encode(dateString, for: key)
}
}
final class MockSingleRowEncoder: RowEncoder {
private(set) var sqliteData: SQLiteRow
let dateEncoder: any DateEncoder
let codingPath: [any CodingKey]
let userInfo: [CodingUserInfoKey: Any]
var count: Int { sqliteData.count }
init(
sqliteData: SQLiteRow = SQLiteRow(),
dateEncoder: any DateEncoder = MockDateEncoder(),
codingPath: [any CodingKey] = [],
userInfo: [CodingUserInfoKey: Any] = [:]
) {
self.sqliteData = sqliteData
self.dateEncoder = dateEncoder
self.codingPath = codingPath
self.userInfo = userInfo
}
func set(_ value: Any, for key: any CodingKey) throws {
guard let value = value as? SQLiteRawValue else {
fatalError()
}
sqliteData[key.stringValue] = value
}
func encodeNil(for key: any CodingKey) throws {
sqliteData[key.stringValue] = .null
}
func encodeDate(_ date: Date, for key: any CodingKey) throws {
try dateEncoder.encode(date, for: key, to: self)
}
func encode<T: SQLiteRawBindable>(_ value: T, for key: any CodingKey) throws {
sqliteData[key.stringValue] = value.sqliteRawValue
}
func encoder(for key: any CodingKey) throws -> any Encoder {
MockSingleValueEncoder()
}
func container<Key: CodingKey>(
keyedBy type: Key.Type
) -> KeyedEncodingContainer<Key> {
fatalError()
}
func unkeyedContainer() -> any UnkeyedEncodingContainer {
fatalError()
}
func singleValueContainer() -> any SingleValueEncodingContainer {
fatalError()
}
}
final class MockSingleValueEncoder: ValueEncoder {
private(set) var sqliteData: SQLiteRawValue?
let dateEncoder: any DateEncoder
let codingPath: [any CodingKey]
let userInfo: [CodingUserInfoKey: Any]
init(
sqliteData: SQLiteRawValue? = nil,
dateEncoder: any DateEncoder = MockDateEncoder(),
codingPath: [any CodingKey] = [],
userInfo: [CodingUserInfoKey: Any] = [:]
) {
self.sqliteData = sqliteData
self.dateEncoder = dateEncoder
self.codingPath = codingPath
self.userInfo = userInfo
}
func encodeNil() throws {
sqliteData = .null
}
func encodeDate(_ date: Date) throws {
try dateEncoder.encode(date, to: self)
}
func encode<T: SQLiteRawBindable>(_ value: T) throws {
sqliteData = value.sqliteRawValue
}
func container<Key: CodingKey>(
keyedBy type: Key.Type
) -> KeyedEncodingContainer<Key> {
fatalError()
}
func unkeyedContainer() -> any UnkeyedEncodingContainer {
fatalError()
}
func singleValueContainer() -> any SingleValueEncodingContainer {
MockSingleValueContainer(encoder: self, codingPath: [])
}
}
final class MockSingleValueContainer<Encoder: ValueEncoder>: Container, SingleValueEncodingContainer {
let encoder: Encoder
let codingPath: [any CodingKey]
init(
encoder: Encoder,
codingPath: [any CodingKey]
) {
self.encoder = encoder
self.codingPath = codingPath
}
func encodeNil() throws {
try encoder.encodeNil()
}
func encode<T: Encodable>(_ value: T) throws {
switch value {
case let value as Date:
try encoder.encodeDate(value)
case let value as SQLiteRawRepresentable:
try encoder.encode(value)
default:
try value.encode(to: encoder)
}
}
}
}