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import {  assert,  assertEquals,  assertStrictEquals as equals,} from "../../deps/assert.ts";import { getPath } from "../utils.ts";import yamlLoader from "../../core/loaders/yaml.ts";import moduleLoader from "../../core/loaders/module.ts";import jsonLoader from "../../core/loaders/json.ts";import textLoader from "../../core/loaders/text.ts";import Site from "../../core/site.ts";
Deno.test("Loaders", async (t) => {  const site = new Site({    cwd: getPath("core/loaders_assets"),  });
  const { formats, dataLoader, includesLoader, pageLoader } = site;
  equals(formats.size, 0);  site.loadData([".yml"], yamlLoader);  site.loadData([".ts"], moduleLoader);  site.loadData([".json"], jsonLoader);  site.loadData([".txt"], textLoader);  site.includes([".yml", ".ts", ".json", ".txt"], "/");  equals(formats.size, 4);
  await t.step("Data loader", async () => {    const yaml = await dataLoader.load("data.yml");    assert(yaml);    equals(yaml.title, "Hello world");    assertEquals(yaml.tags, ["tag1", "tag2"]);
    const module = await dataLoader.load("data.ts");    assert(module);    equals(module.title, "Title from default");    equals(module.subtitle, "Subtitle value");    // @ts-ignore: tag1 is not converted to array yet.    assertEquals(module.tags, "tag1");
    const json = await dataLoader.load("data.json");    assert(json);    equals(json.title, "Title from json");    assertEquals(json.tags, ["tag1", "tag2"]);
    const text = await dataLoader.load("data.txt");    assert(text);    equals(text.title, "Title in the front matter");    equals(text.content, "Hello world");    // @ts-ignore: tag1 is not converted to array yet.    assertEquals(text.tags, "tag1");
    const dir = await dataLoader.load("_data");    assert(dir);    assertEquals(dir, {      value1: { name: "Value1" },      value2: { name: "Value2" },      value3: {        subvalue: { name: "Subvalue3" },      },    });  });
  formats.set({ ext: ".yml", pageLoader: yamlLoader });  formats.set({ ext: ".ts", pageLoader: moduleLoader });  formats.set({ ext: ".json", pageLoader: jsonLoader });  formats.set({ ext: ".txt", pageLoader: textLoader });  equals(formats.size, 4);
  await t.step("Includes loader", async () => {    const yaml = await includesLoader.load("data.yml", formats.get(".yml")!);    assert(yaml);    equals(yaml[0], "/data.yml");    equals(yaml[1].title, "Hello world");
    const module = await includesLoader.load("data.ts", formats.get(".ts")!);    assert(module);    equals(module[0], "/data.ts");    equals(module[1]?.title, "Title from default");    equals(module[1]?.subtitle, "Subtitle value");
    const json = await includesLoader.load("data.json", formats.get(".json")!);    assert(json);    equals(json[0], "/data.json");    equals(json[1].title, "Title from json");
    const text = await includesLoader.load("data.txt", formats.get(".txt")!);    assert(text);    equals(text[0], "/data.txt");    equals(text[1].title, "Title in the front matter");  });
  site.loadPages([".yml"], yamlLoader);  site.loadPages([".ts"], moduleLoader);  site.loadPages([".json"], jsonLoader);  site.loadPages([".txt"], textLoader);  equals(formats.size, 4);
  await t.step("Page loader", async () => {    const yamlEntry = formats.search("/data.yml");    assert(yamlEntry);    const yaml = await pageLoader.load("/data.yml", yamlEntry);    assert(yaml);    equals(yaml.data.title, "Hello world");    assertEquals(yaml.data.tags, ["tag1", "tag2"]);    equals(yaml.data.date, undefined);    equals(yaml.src.path, "/data");    equals(yaml.src.ext, ".yml");    equals(yaml.dest.path, "/data");    equals(yaml.dest.ext, ".yml");
    const tsEntry = formats.search("/data.ts");    assert(tsEntry);    const module = await pageLoader.load("/data.ts", tsEntry);    assert(module);    equals(module.data.title, "Title from default");    equals(module.data.subtitle, "Subtitle value");    assertEquals(module.data.tags, ["tag1"]);    equals(module.data.date, undefined);    equals(module.src.path, "/data");    equals(module.src.ext, ".ts");    equals(module.dest.path, "/data");    equals(module.dest.ext, ".ts");
    const jsonEntry = formats.search("/data.json");    assert(jsonEntry);    const json = await pageLoader.load("/data.json", jsonEntry);    assert(json);    equals(json.data.title, "Title from json");    assertEquals(json.data.tags, ["tag1", "tag2"]);    equals(json.data.date, undefined);    equals(json.src.path, "/data");    equals(json.src.ext, ".json");    equals(json.dest.path, "/data");    equals(json.dest.ext, ".json");
    const textEntry = formats.search("/data.txt");    assert(textEntry);    const text = await pageLoader.load("/data.txt", textEntry);    assert(text);    equals(text.data.title, "Title in the front matter");    equals(text.data.content, "Hello world");    assertEquals(text.data.tags, ["tag1"]);    equals(text.data.date, undefined);    equals(text.src.path, "/data");    equals(text.src.ext, ".txt");    equals(text.dest.path, "/data");    equals(text.dest.ext, ".txt");  });
  await t.step("Page date detection", async () => {    const format = formats.get(".txt");    assert(format);
    const page1 = await pageLoader.load("/page.txt", format);    assert(page1);    assert(page1.data.date instanceof Date);    equals(page1.data.date.getUTCDate(), 21);    equals(page1.data.date.getUTCMonth(), 4);    equals(page1.data.date.getUTCFullYear(), 2022);    equals(page1.data.date.getUTCHours(), 0);    equals(page1.data.date.getUTCMinutes(), 0);    equals(page1.data.date.getUTCSeconds(), 0);
    const page2 = await pageLoader.load("/1_page.txt", format);    assert(page2);    assert(page2.data.date instanceof Date);    equals(page2.data.date.getUTCDate(), 1);    equals(page2.data.date.getUTCMonth(), 0);    equals(page2.data.date.getUTCFullYear(), 1970);    equals(page2.data.date.getUTCHours(), 0);    equals(page2.data.date.getUTCMinutes(), 0);    equals(page2.data.date.getUTCSeconds(), 0);
    const page3 = await pageLoader.load("/2021-12-19_page.txt", format);    assert(page3);    assert(page3.data.date instanceof Date);    equals(page3.data.date.getUTCDate(), 19);    equals(page3.data.date.getUTCMonth(), 11);    equals(page3.data.date.getUTCFullYear(), 2021);    equals(page3.data.date.getUTCHours(), 0);    equals(page3.data.date.getUTCMinutes(), 0);    equals(page3.data.date.getUTCSeconds(), 0);
    const page4 = await pageLoader.load("/2021-12-19-20-35_page.txt", format);    assert(page4);    assert(page4.data.date instanceof Date);    equals(page4.data.date.getUTCDate(), 19);    equals(page4.data.date.getUTCMonth(), 11);    equals(page4.data.date.getUTCFullYear(), 2021);    equals(page4.data.date.getUTCHours(), 20);    equals(page4.data.date.getUTCMinutes(), 35);    equals(page4.data.date.getUTCSeconds(), 0);  });});