README.md

test-helpers

test-helpers is a library that adds some missing functionality to terratest.

Introduction

test-helpers is a library that adds some missing functionality to terratest.

test-helpers includes functionality for:

• Destroying all resources in an AWS account after a test run using aws-nuke
• Running tests with atmos stack configs

Install

Install the latest version in your go tests

go install github.com/cloudposse/test-helpers

Get a specific version

go install github.com/cloudposse/[email protected]

Usage

You can use test-helpers as a library in your own terratest code.

atmos

This library is designed to be used with atmos to allow you to run tests with different stack configurations. For example, imagine you have a component that you want to test to make sure it applies properly and that the coput contains "Hello, World". Below hows how you could run a test from an atmos stack.

func TestApplyNoError(t *testing.T) {
  t.Parallel()

  testFolder, err := files.CopyTerraformFolderToTemp("../../test/fixtures/atmos", t.Name())
  require.NoError(t, err)
  defer os.RemoveAll(testFolder)

  fmt.Printf("running in %s\n", testFolder)

  options := WithDefaultRetryableErrors(t, &Options{
    AtmosBasePath: testFolder,
    Component:     "terraform-no-error",
    Stack:         "test-test-test",
    NoColor:       true,
  })

  out := Apply(t, options)

  require.Contains(t, out, "Hello, World")
}

aws-nuke

func TestAwsNuke(t *testing.T) {
  t.Parallel()
  randID := strings.ToLower(random.UniqueId())

  rootFolder := "../../"
  terraformFolderRelativeToRoot := "examples/awsnuke-example"
  tempTestFolder := testStructure.CopyTerraformFolderToTemp(t, rootFolder, terraformFolderRelativeToRoot)
  defer os.RemoveAll(tempTestFolder)

  terraformOptions := &terraform.Options{
      TerraformDir: tempTestFolder,
      Upgrade:      true,
      VarFiles:     []string{fmt.Sprintf("fixtures.%s.tfvars", testRegion)},
      Vars: map[string]interface{}{
        "attributes": []string{randID},
        "default_tags": map[string]string{
        terratestTagName: randID,
      },
   },
}

Examples

The example folder contains a full set examples that demonstrate the use of test-helpers:

• example folder contains a terraform module that can be used to test the awsnuke functionality. The test for this module is in pkg/awsnuke/awsnuke_test.go.

✨ Contributing

This project is under active development, and we encourage contributions from our community.

Many thanks to our outstanding contributors:

For 🐛 bug reports & feature requests, please use the issue tracker.

In general, PRs are welcome. We follow the typical "fork-and-pull" Git workflow.

1. Review our Code of Conduct and Contributor Guidelines.
2. Fork the repo on GitHub
3. Clone the project to your own machine
4. Commit changes to your own branch
5. Push your work back up to your fork
6. Submit a Pull Request so that we can review your changes

NOTE: Be sure to merge the latest changes from "upstream" before making a pull request!

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License

Preamble to the Apache License, Version 2.0

Complete license is available in the LICENSE file.

Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

  https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.

Trademarks

All other trademarks referenced herein are the property of their respective owners.

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