intermediate best practices

Go Table-Driven Tests

Write concise, scalable tests with table-driven patterns.

table-driven-tests

Introduction

Write concise, scalable tests with table-driven patterns.

This tutorial explains the concepts and provides practical examples you can run yourself.

What You Will Learn

  • Understand the core idea behind go table-driven tests.
  • See common usage patterns with clear examples.
  • Avoid typical mistakes beginners make.

Basic Example

package main
import "fmt"
func main() {
// Example code for Go Table-Driven Tests
fmt.Println("Hello from Go Table-Driven Tests")
}

Key Concepts

Go emphasizes simplicity, clarity, and strong tooling. When working with go table-driven tests, keep these principles in mind:

  1. Explicit is better than implicit.
  2. Composition is preferred over inheritance.
  3. Errors are values, not exceptions.

Common Patterns

Here is a slightly more advanced example demonstrating a typical pattern:

package main
import "fmt"
func main() {
result := example("Go")
fmt.Println(result)
}
func example(name string) string {
return "Learning " + name + " with Go Table-Driven Tests"
}

Try It Yourself

  1. Modify the example to accept user input.
  2. Experiment with different values and observe the output.
  3. Write a small test for the function you created.

Summary

Go Table-Driven Tests is an essential building block in Go programming. Practice the examples, explore the Go standard library, and move on to the next tutorial when you are comfortable.