import { assertEquals } from "@std/assert";
import { markdownToPlainText } from "../markdown.ts";

Deno.test("markdownToPlainText: links become their text, images their alt or a label", () => {
  assertEquals(
    markdownToPlainText("see [this](https://x.y) now", "img"),
    "see this now",
  );
  assertEquals(markdownToPlainText("![cat](a.png)", "Image"), "cat");
  assertEquals(markdownToPlainText("![](a.png)", "Image"), "Image");
});
Deno.test("markdownToPlainText: markup characters and block markers go", () => {
  assertEquals(
    markdownToPlainText("# Title\n> quote\n- **bold** `code`", ""),
    "Title quote bold code",
  );
});
Deno.test("markdownToPlainText: a body cut off mid-link doesn't show a half URL", () => {
  assertEquals(
    markdownToPlainText("look [here](https://exa", "img"),
    "look here",
  );
  assertEquals(
    markdownToPlainText("pic ![alt](https://exa", "Image"),
    "pic alt",
  );
  assertEquals(
    markdownToPlainText("pic ![](https://exa", "Image"),
    "pic Image",
  );
  assertEquals(markdownToPlainText("pic ![unfinished", "Image"), "pic");
});
Deno.test("markdownToPlainText: whitespace collapses to one line", () => {
  assertEquals(markdownToPlainText("a\n\n  b\tc", ""), "a b c");
});