PowerShell TDD testing framework guidance for Pester v5+. Use when writing, structuring, or debugging PowerShell unit tests; mocking cmdlets, native commands (bash, git, curl), or .NET types; isolating tests with TestDrive/TestRegistry; capturing output streams; generating code coverage or JUnit/NUnit reports for CI/CD; running parameterized or tagged tests; or troubleshooting Pester Discovery vs Run phase issues.
Quickly install pester AI skill to your development environment via command line
Source: oleksandrkucherenko/e-bash.
Pester is PowerShell's ubiquitous test and mock framework. Pester 5+ uses a two-phase execution model (Discovery → Run) that requires specific patterns for reliable tests.
Test files use .Tests.ps1 naming convention. Place alongside source files:
| Describe | Top-level grouping (1 per function/feature) | Container | | Context | Scenario grouping ("when X", "with Y") | Sub-container | | It | Single test case with assertions | Test | | BeforeAll | Run once before all tests in block | Setup | | BeforeEach | Run before each It | Per-test setup |
PowerShell TDD testing framework guidance for Pester v5+. Use when writing, structuring, or debugging PowerShell unit tests; mocking cmdlets, native commands (bash, git, curl), or .NET types; isolating tests with TestDrive/TestRegistry; capturing output streams; generating code coverage or JUnit/NUnit reports for CI/CD; running parameterized or tagged tests; or troubleshooting Pester Discovery vs Run phase issues. Source: oleksandrkucherenko/e-bash.
Stable fields and commands for AI/search citations.
npx skills add https://github.com/oleksandrkucherenko/e-bash --skill pesterPowerShell TDD testing framework guidance for Pester v5+. Use when writing, structuring, or debugging PowerShell unit tests; mocking cmdlets, native commands (bash, git, curl), or .NET types; isolating tests with TestDrive/TestRegistry; capturing output streams; generating code coverage or JUnit/NUnit reports for CI/CD; running parameterized or tagged tests; or troubleshooting Pester Discovery vs Run phase issues. Source: oleksandrkucherenko/e-bash.
Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/oleksandrkucherenko/e-bash --skill pester Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code, Cursor, or OpenClaw
https://github.com/oleksandrkucherenko/e-bash