go.astrophena.name/base/cli/clitest

go.astrophena.name/base Module

Base Go packages for my projects.

package clitest

import "go.astrophena.name/base/cli/clitest"

Package clitest provides utilities for testing command-line applications.

Index

Functions

func Run

func Run[App cli.App](t *testing.T, setup func(*testing.T) App, cases map[string]Case[App])

Run runs the provided test cases against the given command-line application.

Types

type Case

type Case[App cli.App] struct {
	// Args are the command-line arguments to pass to the application.
	Args []string
	// Stdin is the optional standard input to pass to the application.
	Stdin io.Reader
	// Env are the environment variables to set before running the application.
	Env map[string]string
	// WantErr is the expected error to be returned by the application, checked
	// with errors.Is.
	WantErr error
	// WantErrType is the expected type of the error to be returned by the
	// application, checked with errors.As.
	WantErrType error
	// WantNothingPrinted indicates that no output should be printed to stdout or
	// stderr.
	WantNothingPrinted bool
	// WantInStdout is the expected substring to be present in the stdout output.
	WantInStdout string
	// WantInStderr is the expected substring to be present in the stderr output.
	WantInStderr string
	// CheckFunc is an optional function to perform additional checks after the
	// application has run.
	CheckFunc func(*testing.T, App)
}

Case represents a single test case for a command-line application.