1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
/*
This source file is part of the Swift.org open source project
Copyright (c) 2021 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
See https://swift.org/CONTRIBUTORS.txt for Swift project authors
*/
import Foundation
import XCTest
@testable import SwiftDocC
class JSONPointerTests: XCTestCase {
func testEncodesCodingPathByEscapingCharactersUsingCodingPathInitializer() throws {
let codingPath = try createCodingPathWithSpecialCharacters()
let pointer = JSONPointer(from: codingPath)
let encodedPointer = try JSONDecoder().decode(String.self, from: JSONEncoder().encode(pointer))
XCTAssertEqual(encodedPointer, "/property/0/property~1with~0special~1~0characters")
}
func testEncodesCodingPathByEscapingCharactersUsingPathComponentsInitializer() throws {
let pointer = JSONPointer(pathComponents: ["a~", "foo/bar"])
let encodedPointer = try JSONDecoder().decode(String.self, from: JSONEncoder().encode(pointer))
XCTAssertEqual(encodedPointer, "/a~0/foo~1bar")
}
func testDecodesEscapedComponents() throws {
let pointerData = #""/a~0/foo~1bar""#.data(using: .utf8)!
let encodedPointer = try JSONDecoder().decode(JSONPointer.self, from: pointerData)
XCTAssertEqual(encodedPointer.description, "/a~0/foo~1bar")
XCTAssertEqual(encodedPointer.pathComponents, ["a~", "foo/bar"])
}
func testDescription() throws {
XCTAssertEqual(JSONPointer(pathComponents: ["a", "b"]).description, "/a/b")
}
func testRemovingFirstPathComponent() throws {
XCTAssertEqual(
JSONPointer(pathComponents: ["a", "b"]).removingFirstPathComponent().pathComponents,
["b"]
)
}
func testPrependingPathComponents() {
XCTAssertEqual(
JSONPointer(pathComponents: ["c", "d", "e"])
.prependingPathComponents(["a", "b"])
.pathComponents,
["a", "b", "c", "d", "e"]
)
}
/// Returns a coding path for testing.
///
/// The coding path is composed of the following components:
/// - "property"
/// - Index 0
/// - "property/with~special/~characters"
private func createCodingPathWithSpecialCharacters() throws -> [CodingKey] {
let encoder = JSONEncoder()
let codingPathContainer = CodingPathContainer()
encoder.userInfo[.codingPath] = codingPathContainer
_ = try encoder.encode(TestEncodable())
return try XCTUnwrap(codingPathContainer.codingPath)
}
private struct TestEncodable: Encodable {
enum CodingKeys: CodingKey {
case property
}
func encode(to encoder: Encoder) throws {
var container = encoder.container(keyedBy: CodingKeys.self)
try container.encodeIfPresent([NestedValue()], forKey: .property)
}
struct NestedValue: Encodable {
enum CodingKeys: String, CodingKey {
case propertyWithSpecialCharacters = "property/with~special/~characters"
}
func encode(to encoder: Encoder) throws {
var container = encoder.container(keyedBy: CodingKeys.self)
try container.encodeIfPresent(NestedValue(), forKey: .propertyWithSpecialCharacters)
}
struct NestedValue: Encodable {
func encode(to encoder: Encoder) throws {
(encoder.userInfo[.codingPath] as? CodingPathContainer)?.codingPath = encoder.codingPath
}
}
}
}
class CodingPathContainer {
var codingPath: [CodingKey]? = nil
}
}
fileprivate extension CodingUserInfoKey {
static let codingPath = CodingUserInfoKey(rawValue: "codingPath")!
}
|
