#logHeapUsage

• Type: boolean
• Default: false
• CLI: --logHeapUsage

Log heap usage for each test, it can help to find memory leaks in tests.

npx rstest --logHeapUsage

import { defineConfig } from '@rstest/core';

export default defineConfig({
  logHeapUsage: true,
});

#Example

After setting logHeapUsage to true, Rstest will log heap usage for each test.

 ✓ test/index.test.ts (2) 11 MB heap used
 ✓ test/index1.test.ts (2) 11 MB heap used

 Test Files 2 passed
      Tests 2 passed | 2 skipped (4)
   Duration 233ms (build 175ms, tests 58ms)