README.md

GitHub Action: Test Helm Chart

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Overview

Action to lint and test installing some Helm chart(s). Mainly using helm/chart-testing-action.

Usage

- uses: hoverkraft-tech/ci-github-container/actions/helm/test-chart@e4bf7a12228a2a4b5993d2d36b99b4dd0ec80bf5 # 0.32.1
  with:
    # Working directory
    # Default: `${{ github.workspace }}`
    working-directory: ${{ github.workspace }}

    # Set values for Helm chart.
    # Multiple values can be set using multiline string.
    # Example:
    # ```
    # key1=value1
    # key2=value2
    # ```
    helm-set: ""

    # List of Helm repositories to add before testing charts.
    # See https://helm.sh/docs/helm/helm_repo_add/.
    helm-repositories: ""

    # OCI registry where to pull and push images
    # Default: `ghcr.io`
    oci-registry: ghcr.io

    # Username used to log against the OCI registry.
    # See https://github.com/docker/login-action#usage.
    #
    # Default: `${{ github.repository_owner }}`
    oci-registry-username: ${{ github.repository_owner }}

    # Password or personal access token used to log against the OCI registry.
    # Can be passed in using `secrets.GITHUB_TOKEN`.
    # See https://github.com/docker/login-action#usage.
    #
    # Default: `${{ github.token }}`
    oci-registry-password: ${{ github.token }}

    # Only run lint and tests on changed charts.
    #
    # Default: `true`
    check-diff-only: "true"

    # Enable linting of the Helm chart.
    # See https://github.com/helm/chart-testing/blob/main/doc/ct_lint.md.
    #
    # Default: `true`
    enable-lint: "true"

    # Enable installing the Helm chart.
    # See https://github.com/helm/chart-testing/blob/main/doc/ct_install.md.
    #
    # Default: `true`
    enable-install: "true"

Inputs

Input	Description	Required	Default
working-directory	Working directory	false	${{ github.workspace }}
helm-set	Set values for Helm chart.	false	-
	Multiple values can be set using multiline string.
	Example:
	key1=value1 key2=value2
helm-repositories	List of Helm repositories to add before testing charts.	false	-
	See https://helm.sh/docs/helm/helm_repo_add/.
oci-registry	OCI registry where to pull and push images	false	ghcr.io
oci-registry-username	Username used to log against the OCI registry.	false	${{ github.repository_owner }}
	See https://github.com/docker/login-action#usage.
oci-registry-password	Password or personal access token used to log against the OCI registry.	false	${{ github.token }}
	Can be passed in using secrets.GITHUB_TOKEN.
	See https://github.com/docker/login-action#usage.
check-diff-only	Only run lint and tests on changed charts.	false	true
enable-lint	Enable linting of the Helm chart.	false	true
	See https://github.com/helm/chart-testing/blob/main/doc/ct_lint.md.
enable-install	Enable installing the Helm chart.	false	true
	See https://github.com/helm/chart-testing/blob/main/doc/ct_install.md.

Contributing

Contributions are welcome! Please see the contributing guidelines for more details.

License

This project is licensed under the MIT License.

SPDX-License-Identifier: MIT

Copyright © 2026 hoverkraft

For more details, see the license.

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This documentation was automatically generated by CI Dokumentor.