Testing
How to Test Install Scripts Before Publishing Them
Test an install script before publishing: clean containers per distro, root and non-root runs, a local web server for curl pipe sh, and uninstall checks.
6 min read
Tag
testing
11 posts
Testing
How to Use Test Driven Development for Shell Scripts
Use test driven development for shell scripts with Bats: write a failing test, make it pass, refactor, and structure the script so functions can be sourced.
6 min read
Testing
How to Test Go CLI Tools With Table Driven Tests Properly
Test Go command line tools with table driven tests: a testable run function, in-memory streams, subtests, temp directories and a real binary test.
7 min read
Testing
How to Test CLI Tools in Python With pytest and subprocess
Test a Python command line tool with pytest: subprocess and in-process runs, exit codes and output, tmp_path, monkeypatch and parametrized cases.
6 min read
Testing
How to Use Golden Files for Command Output Tests Safely
Test command line output with golden files: store expected output, compare with diff, normalize volatile text, update on demand and review changes.
6 min read
Testing
How to Test Destructive Scripts With a Sandbox Step by Step
Test scripts that delete or overwrite in a throwaway sandbox: temp trees, containers with no network, fake commands and checks that nothing else changed.
6 min read
Testing
Bats vs shunit2 vs shellspec for Shell Testing With Examples
Compare Bats, shunit2 and ShellSpec for shell testing: syntax, assertions, mocking, parallel runs, portability and which to choose for your project.
6 min read
Testing
How to Test Cron Jobs and Timers Safely Without Surprises
Test cron jobs and timers without waiting a day: clean environment runs, triggering units by hand, a temporary schedule, a faked clock and logs.
6 min read
Cron and Scheduling
How to Test systemd Calendar Expressions With Examples
Test systemd calendar expressions with systemd-analyze calendar: see the normalized form, the next run times, time zone effects and traps in daily and weekly.
6 min read
Command Line
How to Use curl to Download Files and Test URLs Step by Step
Use the curl command to download files, follow redirects, send headers and data, show response codes and timing, and fail properly in scripts.
6 min read
Testing
Why Mocks Are Hard in Shell and What to Do Instead
Why mocking is hard in shell and what to do instead: PATH stubs, function overrides, injected command variables, containers, and when to test the real tool.
6 min read