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karmaExecuteTests

Executes the Karma test runner

Description

In this step the (Karma test runner) is executed.

The step is using the seleniumExecuteTest step to spin up two containers in a Docker network:

  • a Selenium/Chrome container (selenium/standalone-chrome)
  • a NodeJS container (node:lts-stretch)

In the Docker network, the containers can be referenced by the values provided in dockerName and sidecarName, the default values are karma and selenium. These values must be used in the hostname properties of the test configuration (Karma and WebDriver).

Note

In a Kubernetes environment, the containers both need to be referenced with localhost.

Usage

We recommend to define values of step parameters via config.yml file. In this case, calling the step is reduced to one simple line.
Calling the step can be done either via the Jenkins library step or on the command line.

Jenkins Pipeline

library('piper-lib-os')

karmaExecuteTests script: this

Command Line

piper karmaExecuteTests

Prerequisites

  • running Karma tests - have a NPM module with running tests executed with Karma
  • configured WebDriver - have the karma-webdriver-launcher package installed and a custom, WebDriver-based browser configured in Karma

Parameters

Overview

Name Mandatory Additional information
script yes Jenkins only reference to Jenkins main pipeline script
containerCommand no Jenkins only
containerName no Jenkins only
containerShell no Jenkins only
dockerEnvVars no Jenkins only
dockerImage no Jenkins only
dockerName no Jenkins only
dockerOptions no Jenkins only
dockerPullImage no Jenkins only
dockerVolumeBind no Jenkins only
dockerWorkspace no Jenkins only
installCommand no
modules no
runCommand no
sidecarEnvVars no Jenkins only
sidecarImage no Jenkins only
sidecarName no Jenkins only
sidecarOptions no Jenkins only
sidecarPullImage no Jenkins only
sidecarReadyCommand no Jenkins only
sidecarVolumeBind no Jenkins only
sidecarWorkspace no Jenkins only
stashContent no Jenkins only
verbose no activates debug output

Details

containerCommand

Jenkins-specific: Used for proper environment setup.

Kubernetes only: Allows to specify start command for container created with dockerImage parameter to overwrite Piper default (/usr/bin/tail -f /dev/null).

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Scope Details
Aliases -
Type string
Mandatory no
Default
Secret no
Configuration scope
  • ☒ parameter
  • ☒ general
  • ☒ steps
  • ☒ stages
Resource references none

containerName

Jenkins-specific: Used for proper environment setup.

Optional configuration in combination with containerMap to define the container where the commands should be executed in.

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Scope Details
Aliases -
Type string
Mandatory no
Default
Secret no
Configuration scope
  • ☒ parameter
  • ☒ general
  • ☒ steps
  • ☒ stages
Resource references none

containerShell

Jenkins-specific: Used for proper environment setup.

Allows to specify the shell to be executed for container with containerName.

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Scope Details
Aliases -
Type string
Mandatory no
Default
Secret no
Configuration scope
  • ☒ parameter
  • ☒ general
  • ☒ steps
  • ☒ stages
Resource references none

dockerEnvVars

Jenkins-specific: Used for proper environment setup.

Environment variables to set in the container, e.g. [http_proxy: "proxy:8080"].

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Scope Details
Aliases -
Type map[string]string
Mandatory no
Default
Secret no
Configuration scope
  • ☒ parameter
  • ☒ general
  • ☒ steps
  • ☒ stages
Resource references none

dockerImage

Jenkins-specific: Used for proper environment setup.

Name of the docker image that should be used. If empty, Docker is not used and the command is executed directly on the Jenkins system.

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Scope Details
Aliases -
Type string
Mandatory no
Default
Secret no
Configuration scope
  • ☒ parameter
  • ☒ general
  • ☒ steps
  • ☒ stages
Resource references none

dockerName

Jenkins-specific: Used for proper environment setup.

Kubernetes only: Name of the container launching dockerImage. SideCar only: Name of the container in local network.

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Scope Details
Aliases -
Type string
Mandatory no
Default
Secret no
Configuration scope
  • ☒ parameter
  • ☒ general
  • ☒ steps
  • ☒ stages
Resource references none

dockerOptions

Jenkins-specific: Used for proper environment setup.

Docker options to be set when starting the container.

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Scope Details
Aliases -
Type []string
Mandatory no
Default
Secret no
Configuration scope
  • ☒ parameter
  • ☒ general
  • ☒ steps
  • ☒ stages
Resource references none

dockerPullImage

Jenkins-specific: Used for proper environment setup.

Set this to 'false' to bypass a docker image pull. Useful during development process. Allows testing of images which are available in the local registry only.

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Scope Details
Aliases -
Type bool
Mandatory no
Default false
Possible values - true
- false
Secret no
Configuration scope
  • ☒ parameter
  • ☒ general
  • ☒ steps
  • ☒ stages
Resource references none

dockerVolumeBind

Jenkins-specific: Used for proper environment setup.

Volumes that should be mounted into the docker container.

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Scope Details
Aliases -
Type map[string]string
Mandatory no
Default
Secret no
Configuration scope
  • ☒ parameter
  • ☒ general
  • ☒ steps
  • ☒ stages
Resource references none

dockerWorkspace

Jenkins-specific: Used for proper environment setup.

Kubernetes only: Specifies a dedicated user home directory for the container which will be passed as value for environment variable HOME.

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Scope Details
Aliases -
Type string
Mandatory no
Default
Secret no
Configuration scope
  • ☒ parameter
  • ☒ general
  • ☒ steps
  • ☒ stages
Resource references none

installCommand

The command that is executed to install the test tool.

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Scope Details
Aliases -
Type string
Mandatory no
Default npm install --quiet
Secret no
Configuration scope
  • ☒ parameter
  • ☒ general
  • ☒ steps
  • ☒ stages
Resource references none

modules

Define the paths of the modules to execute tests on.

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Scope Details
Aliases -
Type []string
Mandatory no
Default - .
Secret no
Configuration scope
  • ☒ parameter
  • ☐ general
  • ☒ steps
  • ☒ stages
Resource references none

runCommand

The command that is executed to start the tests.

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Scope Details
Aliases -
Type string
Mandatory no
Default npm run karma
Secret no
Configuration scope
  • ☒ parameter
  • ☒ general
  • ☒ steps
  • ☒ stages
Resource references none

script

Jenkins-specific: Used for proper environment setup.

The common script environment of the Jenkinsfile running. Typically the reference to the script calling the pipeline step is provided with the this parameter, as in script: this. This allows the function to access the commonPipelineEnvironment for retrieving, e.g. configuration parameters.

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Scope Details
Aliases -
Type Jenkins Script
Mandatory yes
Default
Secret no
Configuration scope
  • ☐ parameter
  • ☐ general
  • ☐ steps
  • ☐ stages
Resource references none

sidecarEnvVars

Jenkins-specific: Used for proper environment setup.

A map of environment variables to set in the sidecar container, similar to dockerEnvVars.

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Scope Details
Aliases -
Type map[string]string
Mandatory no
Default
Secret no
Configuration scope
  • ☒ parameter
  • ☒ general
  • ☒ steps
  • ☒ stages
Resource references none

sidecarImage

Jenkins-specific: Used for proper environment setup.

The name of the docker image of the sidecar container. If empty, no sidecar container is started. Similar to dockerImage.

back to overview

Scope Details
Aliases -
Type string
Mandatory no
Default
Secret no
Configuration scope
  • ☒ parameter
  • ☒ general
  • ☒ steps
  • ☒ stages
Resource references none

sidecarName

Jenkins-specific: Used for proper environment setup.

Name of the sidecar container. Similar to dockerName.

back to overview

Scope Details
Aliases -
Type string
Mandatory no
Default
Secret no
Configuration scope
  • ☒ parameter
  • ☒ general
  • ☒ steps
  • ☒ stages
Resource references none

sidecarOptions

Jenkins-specific: Used for proper environment setup.

Options to be set when starting the sidecar container. Similar to dockerOptions.

back to overview

Scope Details
Aliases -
Type []string
Mandatory no
Default
Secret no
Configuration scope
  • ☒ parameter
  • ☒ general
  • ☒ steps
  • ☒ stages
Resource references none

sidecarPullImage

Jenkins-specific: Used for proper environment setup.

Set this to 'false' to bypass a docker image pull. Useful during development process. Allows testing of images which are available in the local registry only.

back to overview

Scope Details
Aliases -
Type bool
Mandatory no
Default false
Possible values - true
- false
Secret no
Configuration scope
  • ☒ parameter
  • ☒ general
  • ☒ steps
  • ☒ stages
Resource references none

sidecarReadyCommand

Jenkins-specific: Used for proper environment setup.

Command executed inside the container which returns exit code 0 when the container is ready to be used.

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Scope Details
Aliases -
Type string
Mandatory no
Default
Secret no
Configuration scope
  • ☒ parameter
  • ☒ general
  • ☒ steps
  • ☒ stages
Resource references none

sidecarVolumeBind

Jenkins-specific: Used for proper environment setup.

Volumes that should be mounted into the sidecar container. Similar to dockerVolumeBind.

back to overview

Scope Details
Aliases -
Type map[string]string
Mandatory no
Default
Secret no
Configuration scope
  • ☒ parameter
  • ☒ general
  • ☒ steps
  • ☒ stages
Resource references none

sidecarWorkspace

Jenkins-specific: Used for proper environment setup.

back to overview

Scope Details
Aliases -
Type string
Mandatory no
Default
Secret no
Configuration scope
  • ☒ parameter
  • ☒ general
  • ☒ steps
  • ☒ stages
Resource references none

stashContent

Jenkins-specific: Used for proper environment setup.

Specific stashes that should be considered for the step execution.

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Scope Details
Aliases -
Type []string
Mandatory no
Default - buildDescriptor
- tests
Secret no
Configuration scope
  • ☒ parameter
  • ☒ general
  • ☒ steps
  • ☒ stages
Resource references none

verbose

verbose output

back to overview

Scope Details
Aliases -
Type bool
Mandatory no
Default false
Possible values - true
- false
Secret no
Configuration scope
  • ☒ parameter
  • ☒ general
  • ☒ steps
  • ☒ stages
Resource references none

seleniumHubCredentialsId

Jenkins-specific: Used for proper environment setup. See using credentials for details.

Defines the id of the user/password credentials to be used to connect to a Selenium Hub. The credentials are provided in the environment variables PIPER_SELENIUM_HUB_USER and PIPER_SELENIUM_HUB_PASSWORD.

back to overview

Scope Details
Aliases -
Type string
Configuration scope
  • ☒ parameter
  • ☒ general
  • ☒ steps
  • ☒ stages

Side effects

Step uses seleniumExecuteTest & dockerExecute inside.

Exceptions

none

Example

karmaExecuteTests script: this, modules: ['./shoppinglist', './catalog']