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/*
This source file is part of the Swift.org open source project
Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
Licensed under Apache License v2.0 with Runtime Library Exception
See http://swift.org/LICENSE.txt for license information
See http://swift.org/CONTRIBUTORS.txt for Swift project authors
*/
import XCTest
import TSCBasic
fileprivate struct Bar: JSONMappable, JSONSerializable, Equatable {
let str: String
let bool: Bool
init(json: JSON) throws {
self.str = try json.get("str")
self.bool = try json.get("bool")
}
func toJSON() -> JSON {
return .dictionary([
"str": .string(str),
"bool": .bool(bool),
])
}
init(str: String, bool: Bool) {
self.str = str
self.bool = bool
}
public static func ==(lhs: Bar, rhs: Bar) -> Bool {
return lhs.str == rhs.str && lhs.bool == rhs.bool
}
}
fileprivate struct Foo: JSONMappable, JSONSerializable {
let str: String
let int: Int
let optStr: String?
let bar: Bar
let barOp: Bar?
let barArray: [Bar]
let dict: [String: Double]
init(json: JSON) throws {
self.str = try json.get("str")
self.int = try json.get("int")
self.optStr = json.get("optStr")
self.bar = try json.get("bar")
self.barOp = json.get("barOp")
self.barArray = try json.get("barArray")
self.dict = try json.get("dict")
}
func toJSON() -> JSON {
return .dictionary([
"str": .string(str),
"int": .int(int),
"optStr": optStr.flatMap(JSON.string) ?? .null,
"bar": bar.toJSON(),
"barOp": barOp.flatMap{$0.toJSON()} ?? .null,
"barArray": .array(barArray.map{$0.toJSON()}),
"dict": .dictionary(Dictionary(uniqueKeysWithValues: dict.map{($0.0, .double($0.1))})),
])
}
init(str: String, int: Int, optStr: String?, bar: Bar, barArray: [Bar], dict: [String: Double]) {
self.str = str
self.int = int
self.optStr = optStr
self.bar = bar
self.barOp = nil
self.barArray = barArray
self.dict = dict
}
}
class JSONMapperTests: XCTestCase {
func testBasics() throws {
let bar = Bar(str: "bar", bool: false)
let bar1 = Bar(str: "bar1", bool: true)
let dict = ["a": 1.0, "b": 2.923]
let foo = Foo(
str: "foo", int: 1, optStr: "k", bar: bar, barArray: [bar, bar1], dict: dict)
let foo1 = try Foo(json: foo.toJSON())
XCTAssertEqual(foo.str, foo1.str)
XCTAssertEqual(foo.int, foo1.int)
XCTAssertEqual(foo.optStr, foo1.optStr)
XCTAssertEqual(foo.bar, bar)
XCTAssertNil(foo.barOp)
XCTAssertEqual(foo.barArray, [bar, bar1])
XCTAssertEqual(foo.dict, dict)
}
func testErrors() throws {
let foo = JSON.dictionary(["foo": JSON.string("Hello")])
do {
let string: String = try foo.get("bar")
XCTFail("unexpected string: \(string)")
} catch JSON.MapError.missingKey(let key) {
XCTAssertEqual(key, "bar")
}
do {
let int: Int = try foo.get("foo")
XCTFail("unexpected int: \(int)")
} catch JSON.MapError.custom(let key, let msg) {
XCTAssertNil(key)
XCTAssertEqual(msg, "expected int, got \"Hello\"")
}
do {
let bool: Bool = try foo.get("foo")
XCTFail("unexpected bool: \(bool)")
} catch JSON.MapError.custom(let key, let msg) {
XCTAssertNil(key)
XCTAssertEqual(msg, "expected bool, got \"Hello\"")
}
do {
let foo = JSON.string("Hello")
let string: String = try foo.get("bar")
XCTFail("unexpected string: \(string)")
} catch JSON.MapError.typeMismatch(let key, let expected, let json) {
XCTAssertEqual(key, "bar")
XCTAssert(expected == Dictionary<String, JSON>.self)
XCTAssertEqual(json, .string("Hello"))
}
do {
let string: [String] = try foo.get("foo")
XCTFail("unexpected string: \(string)")
} catch JSON.MapError.typeMismatch(let key, let expected, let json) {
XCTAssertEqual(key, "foo")
XCTAssert(expected == Array<JSON>.self)
XCTAssertEqual(json, .string("Hello"))
}
}
}
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