How to debug?

[gionapaolini]

Maybe it's a stupid question but how can you debug the tests? Is there a test-adapter available?

[lukeed]

Hi, sorry, not entirely sure what you're asking. You should be using .only modifier to isolate tests, and you can always console.log values from within your tests.

[gionapaolini]

I was wondering if there is a test adapter to easily run the tests in debug mode and put breakpoints, something similar to https://marketplace.visualstudio.com/items?itemName=firsttris.vscode-jest-runner

[benmccann]

Here's the documentation for .only: https://github.com/lukeed/uvu/blob/master/docs/api.uvu.md#suiteonlyname-callback

It took me a very long time to find. I was trying to figure out how to run a single test suite and did not think it was possible because I was looking in the cli docs for something like mocha's grep option (https://github.com/lukeed/uvu/issues/74) and the CLI docs suggested you could comment out all the tests you don't want to run and don't mention .only at all: https://github.com/lukeed/uvu/blob/master/docs/cli.md#isolation

[maxmilton]

It is possible to debug with breakpoints and var inspection etc. using VS Code's debugger.

In your project create a .vscode/launch.json file with something like:

// https://code.visualstudio.com/docs/editor/debugging#_launch-configurations
{
  "version": "0.2.0",
  "configurations": [
    // based on https://github.com/Microsoft/vscode-recipes/tree/master/debugging-jest-tests
    {
      "name": "uvu All",
      "type": "pwa-node",
      "request": "launch",
      "skipFiles": ["<node_internals>/**"],
      "program": "${workspaceFolder}/node_modules/.bin/uvu",
      "args": ["-r", "esbuild-register", "./test", "\\.test\\.ts$"],
      "console": "integratedTerminal",
      "windows": {
        "program": "${workspaceFolder}/node_modules/uvu/bin.js"
      }
    },
    {
      "name": "uvu Current File",
      "type": "pwa-node",
      "request": "launch",
      "skipFiles": ["<node_internals>/**"],
      "args": ["-r", "esbuild-register", "${relativeFile}"],
      "console": "integratedTerminal"
    }
  ]
}

I also have esbuild-register as a dependency so I can write my tests in TypeScript. The above assumes your tests are in test/*.test.ts.

[bentaber]

@gionapaolini maybe many months too late, but this seems to work, assuming you are running within vscode integrated terminal... or are using chrome debug tools.

node --inspect ./node_modules/.bin/uvu ./tests/

[Kamrulhasan12345]

I use this way: