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// 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 2018-2022 the Deno authors. All rights reserved. MIT license.
import { assertEquals, assertThrows } from "../../testing/asserts.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: "stringified correctly",  fn() {    const FIXTURE = {      foo: {        bar: true,        test: [          "a",          "b",          {            a: false,          },          {            a: false,          },        ],      },      test: "foobar",    };
    const ASSERTS = `foo:  bar: true  test:    - a    - b    - a: false    - a: falsetest: foobar`;
    assertEquals(stringify(FIXTURE), ASSERTS);  },});
Deno.test({  name:    "`!!js/*` yaml types are not handled in default schemas while stringifying",  fn() {    const object = { undefined: undefined };    assertThrows(      () => stringify(object),      YAMLError,      "unacceptable kind of an object to dump",    );  },});
Deno.test({  name:    "`!!js/*` yaml types are correctly handled with extended schema while stringifying",  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: "`!!js/function` yaml with extended schema throws while stringifying",  fn() {    const func = function foobar() {      return "hello world!";    };
    assertThrows(      () => stringify({ function: func }, { schema: EXTENDED_SCHEMA }),    );  },});
Deno.test({  name: "`!*` yaml user defined types are supported while stringifying",  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);  },});