How do I use a custom environment by specifying a file path to it

[Eldemarkki]

In the Custom Environment documentation, it says that I can "specify a path to a valid JS file (supported since 0.34.0)". However, I'm not able to get that working. I have the following vite.config.ts configuration:

import { configDefaults, defineConfig } from "vitest/config";

export default defineConfig({
  test: {
    exclude: [...configDefaults.exclude, "data"],
    globals: true,
    environment: "./recipeamigo-test-environment.js",
  },
});

When I then try to run vitest run --threads false, it says that Can not find dependency 'vitest-environment-./recipeamigo-test-environment.js and prompts me to install it as an npm package. I've tried with many different variations, including specifying an absolute path, including the file:// protocol at the start, just specifying the filename (it's at the same directory level as my vite.config.ts and where I run npm test from):

I'm using the latest version of Vitest on Linux:

Here's the contents of recipeamigo-test-environment.js just in case it matters, though it's probably not relevant here:

import { execSync } from "child_process";

const RecipeamigoTestEnvironment = {
  name: "recipeamigo",
  transformMode: "ssr",
  setup: () => {
    execSync("npm run test:start_database");
    return {
      teardown: () => {
        execSync("npm run test:stop_database");
      },
    };
  },
};

export default RecipeamigoTestEnvironment;

[sheremet-va]

Looks like it's a Vitest bug. But what you are doing in the env doesn't look appropriate for an environment. If you need to run command once, use globalSetup instead

[Eldemarkki]

Thanks for the quick reply! I didn't know about globalSetup, it definitely sounds more appropriate.