io_test.ts

import { assertEquals, assertIsError } from "@std/assert";
import { join } from "@std/path";
import { readTOML, writeXML } from "@5ouma/opml-generator/libs";
import { convertFromTOML, convertToOPML } from "../../src/libs/convert.ts";
import type { Lists } from "@5ouma/opml-generator/types";

Deno.test("Read TOML", async (t: Deno.TestContext) => {
  await t.step("normal", async () => {
    const toml = `
[[lists]]
name = "list name"

[[lists.feeds]]
title = "feed title"
xmlUrl = "https://example.com/feed"
`;

    const file: string = await Deno.makeTempFile({ suffix: ".toml" });
    await Deno.writeTextFile(file, toml);
    const lists: Lists = await readTOML(file);

    assertEquals(convertFromTOML(toml), lists);
  });

  await t.step("file not found", async () => {
    try {
      await readTOML("file-not-found.toml");
    } catch (error) {
      assertEquals(error.message, 'file not found: "file-not-found.toml"');
    }
  });

  await t.step("permission denied", async () => {
    const file: string = await Deno.makeTempFile({ suffix: ".toml" });
    await Deno.chmod(file, 0o000);
    try {
      await readTOML(file);
    } catch (error) {
      assertEquals(error.message, `permission denied: "${file}"`);
    }
  });

  await t.step("unexpected error", async () => {
    try {
      await readTOML("");
    } catch (error) {
      assertIsError(error);
    }
  });
});

Deno.test("Write XML", async () => {
  const feeds: Lists = {
    lists: [{
      name: "list name",
      feeds: [{
        title: "feed title",
        xmlUrl: new URL("https://example.com/feed"),
      }],
    }],
  };

  const dir: string = await Deno.makeTempDir();
  await writeXML(feeds, dir);
  const data: string = await Deno.readTextFile(join(dir, "list-name.xml"));

  assertEquals(convertToOPML(feeds.lists[0]), data);
});