wukangcheng2944/claude-skills/writing-dev-server-tests

import { devTest, emptyHtmlFile } from "../bake-harness";
devTest("html file is watched", {
  files: {
    "index.html": emptyHtmlFile({
      scripts: ["/script.ts"],
      body: "<h1>Hello</h1>",
    }),
    "script.ts": `console.log("hello");`,
  },
  async test(dev) {
    await dev.fetch("/").expect.toInclude("<h1>Hello</h1>");
    await dev.patch("index.html", { find: "Hello", replace: "World" });
    await dev.fetch("/").expect.toInclude("<h1>World</h1>");
    await using c = await dev.client("/");
    await c.expectMessage("hello");
    await c.expectReload(async () => {
      await dev.patch("index.html", { find: "World", replace: "Bar" });
    });
    await c.expectMessage("hello");
  },
});

devTest("import then create", {
  files: {
    "index.html": `<!DOCTYPE html><html><head></head><body><script type="module" src="/script.ts"></script></body></html>`,
    "script.ts": `import data from "./data"; console.log(data);`,
  },
  async test(dev) {
    const c = await dev.client("/", {
      errors: ['script.ts:1:18: error: Could not resolve: "./data"'],
    });
    await c.expectReload(async () => {
      await dev.write("data.ts", "export default 'data';");
    });
    await c.expectMessage("data");
  },
});

await dev.delete("other.ts", {
  errors: ['index.ts:1:16: error: Could not resolve: "./other"'],
});