scripttest
Helper to test command-line scripts
Decision gist · record as of 2026-08-14
Yes. scripttest is actively maintained, has zero known vulnerabilities, carries a permissive MIT license, and installs with no dependencies. It is purpose-built for CLI testing and well-suited for any project that needs to verify command-line tool behavior in automated tests.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Low install friction with no runtime dependencies.
- Actively maintained as of 2026-07-08 with recent releases.
License · maintenance · safety
MIT (permissive) — MIT license permits unrestricted use, modification, and distribution in both open and closed projects.
last release 2026-07-08 (37 days) · last repo commit 2026-07-08 · 59 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 144,141 downloads/mo, #11,160 on PyPI
Alternatives
Verify before relying
pip install scripttest
from scripttest import TestFileEnvironment
env = TestFileEnvironment()
result = env.run('your-command')
assert result.stdout == 'expected output'- Whether scripttest integrates with unittest and doctest as suggested in the description excerpt.
What it is and what it does
scripttest is a testing library designed to help you verify the behavior of interactive command-line applications. It runs commands in subprocesses, captures their stdout and stderr output, and tracks any file modifications they produce. This makes it straightforward to write tests that validate what a CLI tool does without having to manually inspect output or filesystem state.
The library is built for developers testing their own command-line scripts and utilities. With no runtime dependencies and support for Python 3.8 through 3.13 on both CPython and PyPy, it's lightweight and compatible with modern Python environments.
Use it for
- Test a custom command-line tool by running it and verifying stdout and stderr output.
- Validate that a CLI utility creates, modifies, or deletes files as expected during execution.
- Write integration tests for build tools or deployment scripts that need to verify subprocess behavior.
- Verify error handling in CLI applications by capturing and asserting on stderr output.
- Test command-line scripts in automated test suites without manual output inspection.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes.
scripttest is actively maintained, has zero known vulnerabilities, carries a permissive MIT license, and installs with no dependencies. It is purpose-built for CLI testing and well-suited for any project that needs to verify command-line tool behavior in automated tests.
Install
scripttest on PyPI
Before you install
Low install friction with no runtime dependencies. Actively maintained as of 2026-07-08 with recent releases.
License in practice
MIT license permits unrestricted use, modification, and distribution in both open and closed projects.
Quickstart
pip install scripttest
from scripttest import TestFileEnvironment
env = TestFileEnvironment()
result = env.run('your-command')
assert result.stdout == 'expected output'Verify before relying
- Whether scripttest integrates with unittest and doctest as suggested in the description excerpt.
Package facts
| License | MIT permissive |
| Python support | Supports the current Python release >=3.8 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | None |
| Maintenance | Actively maintained 37 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 144,141 / month, #11,160 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 5 - Production/StableIntended Audience :: DevelopersProgramming Language :: PythonProgramming Language :: Python :: 3Programming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.8Programming Language :: Python :: 3.9Programming Language :: Python :: Implementation :: CPythonProgramming Language :: Python :: Implementation :: PyPyTopic :: Software Development :: Testing |
Evidence: scripttest-3.0-py3-none-any.whl
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See also subprocess-tee · spur · runez · subprocess.run · subprocess-multitee · fancy-subprocess · EasyProcess · wurlitzer · python-editor · nose-py3