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
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
// Ported from js-yaml v3.13.1:// https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da// Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import { assertEquals, assertThrows } from "../assert/mod.ts";import { stringify } from "./stringify.ts";import { YAMLError } from "./_error.ts";import { DEFAULT_SCHEMA, EXTENDED_SCHEMA } from "./schema/mod.ts";import { Type } from "./type.ts";
Deno.test({  name: "stringify()",  fn() {    const FIXTURE = {      foo: {        bar: true,        test: [          "a",          "b",          {            a: false,          },          {            a: false,          },        ],      },      test: "foobar",      binary: new Uint8Array([72, 101, 108, 108, 111]),    };
    const ASSERTS = `foo:  bar: true  test:    - a    - b    - a: false    - a: falsetest: foobarbinary: !<tag:yaml.org,2002:binary> SGVsbG8=`;
    assertEquals(stringify(FIXTURE), ASSERTS);  },});
Deno.test({  name: "arrays can be stringified directly",  fn() {    const array = [1, 2, 3];
    const expected = "- 1\n- 2\n- 3\n";
    assertEquals(stringify(array), expected);  },});
Deno.test({  name: "strings can be stringified directly",  fn() {    const string = "Hello world";
    const expected = "Hello world\n";
    assertEquals(stringify(string), expected);  },});
Deno.test({  name: "numbers can be stringified directly",  fn() {    const number = 1.01;
    const expected = "1.01\n";
    assertEquals(stringify(number), expected);  },});
Deno.test({  name: "booleans can be stringified directly",  fn() {    const boolean = true;
    const expected = "true\n";
    assertEquals(stringify(boolean), expected);  },});
Deno.test({  name: "stringify() throws with `!!js/*` yaml types with default schemas",  fn() {    const object = { undefined: undefined };    assertThrows(      () => stringify(object),      YAMLError,      "unacceptable kind of an object to dump",    );  },});
Deno.test({  name: "stringify() handles `!!js/*` yaml types with extended schema",  fn() {    const object = {      regexp: {        simple: /foobar/,        modifiers: /foobar/im,      },      undefined: undefined,    };
    const expected = `regexp:  simple: !<tag:yaml.org,2002:js/regexp> /foobar/  modifiers: !<tag:yaml.org,2002:js/regexp> /foobar/imundefined: !<tag:yaml.org,2002:js/undefined> ''`;
    assertEquals(stringify(object, { schema: EXTENDED_SCHEMA }), expected);  },});
Deno.test({  name:    "stringify() throws with `!!js/function` yaml types with extended schema",  fn() {    const func = function foobar() {      return "hello world!";    };
    assertThrows(      () => stringify({ function: func }, { schema: EXTENDED_SCHEMA }),    );  },});
Deno.test({  name: "stringify() handles `!*` yaml user defined types",  fn() {    const PointYamlType = new Type("!point", {      kind: "sequence",      resolve(data) {        return data !== null && data?.length === 3;      },      construct(data) {        const [x, y, z] = data;        return { x, y, z };      },      predicate(object: unknown) {        return !!(object && typeof object === "object" && "x" in object &&          "y" in object && "z" in object);      },      represent(point) {        return [point.x, point.y, point.z];      },    });    const SPACE_SCHEMA = DEFAULT_SCHEMA.extend({ explicit: [PointYamlType] });
    const object = {      point: { x: 1, y: 2, z: 3 },    };
    const expected = `point: !<!point>${" "}  - 1  - 2  - 3`;
    assertEquals(stringify(object, { schema: SPACE_SCHEMA }), expected);  },});