runTestFromCodeLens.ts

import { window } from "vscode";

type RunArgs = {
  filePath: string,
  describe: string | null,
  testName?: string,
  module?: string
}

export default function runFromCodeLens(args: RunArgs): void {
  const elixirLsTerminal =
    window.terminals.find(terminal => terminal.name == "ElixirLS") || window.createTerminal("ElixirLS");

  elixirLsTerminal.show()
  elixirLsTerminal.sendText('clear')
  elixirLsTerminal.sendText(buildTestCommand(args));
}

function buildTestCommand(args: RunArgs): string {
  const testFilter = buildTestInclude(args.describe, args.testName, args.module)

  return `mix test --exclude test --include "${testFilter}" ${args.filePath}`
}

function buildTestInclude(describe: string | null, testName?: string, module?: string) {
  if (module) {
    return `module:${module}`
  }

  if (!testName) {
    return `describe:${describe}`
  }

  if (describe) {
    return `test:test ${describe} ${testName}`
  }

  return `test:test ${testName}`
}