Powerful Command-Line Applications in Go/

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Testing colStats

Testing colStats

Learn how to write the test cases for the colStats tool.

We'll cover the following...

Updating the main_test.go file

In the main_test.go file, we add the package definition and the import section.

For these tests, we’ll use:

  • The bytes package to create buffers to capture the output.
  • The errors package to verify errors.
  • The os package to validate operating system errors.
  • The testing package, which is required to execute tests.
package main
import (
  "bytes"
  "errors"
  "os"
  "testing"
)
Adding the package and import section

For the integration tests, we test the function ...