[Bug] Rails Test Command Hangs Indefinitely in Cursor
Summary:
When running a Rails system test via the integrated terminal in Cursor, the test command never completes and must be manually skipped. This occurs consistently and appears to be specific to Cursor, as the same command works as expected in a regular terminal.
This also stops me from using cursor effectively because I want the agent to iterate on several test runs.
Steps to Reproduce:
- Open a Rails project in Cursor.
- Run the following command in the integrated terminal or test runner:
bin/rails test test/some_test.rb - Observe that the command starts, but never finishes, even after the test output appears complete.
Expected Behavior:
The test command should run to completion and exit automatically, just as it does in a standard terminal.
Actual Behavior:
The command hangs indefinitely in Cursor. The only way to proceed is to manually skip or terminate the process.
Environment:
- Cursor version: 1.0
- OS: Ubuntu 24.04.2 LTS
Additional Notes:
- The issue does not occur when running the same command in a standalone terminal outside Cursor.
- Disabling parallel testing and stopping Spring (
spring stop) does not resolve the issue. - The problem persists regardless of test output options (e.g., with or without
--no-color, or piping output tocat). - No breakpoints (e.g.,
binding.pry,byebug) are set in the test.
Workarounds Tried:
- Running the command outside Cursor (works as expected).
- Adjusting test output options.
- Piping the command with cat or similar versions.
Request:
Please investigate why Rails system tests hang indefinitely in Cursor, and advise on any possible fixes or workarounds. Happy to provide more details or logs if needed.