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WebDriver binaries Gradle plugin

This project contains a Gradle plugin that downloads WebDriver binaries specific to the operating system the build runs on. The plugin also as configures various parts of the build to use the downloaded binaries.

Installation

For installation instructions please see this plugin's page on Gradle Plugin Portal.

Usage

Extension properties

This plugin exposes the following optional properties through the extension named webdriverBinaries:

Example usage:

webdriverBinaries {
    chromedriver '2.32'
    geckodriver '0.19.0'
    iedriverserver '3.8.0'
    edgedriver '86.0.601.0'
}

Extension methods

Detailed binaries configuration methods

Additionally to properties which can be used for specifying driver binaries versions, the plugin exposes chromedriver(), geckodriver(), iedriverserver() and edgedriver() configuration methods through the the extension named webdriverBinaries. Each method takes a closure which delegates to an object with the following properties:

Example usage:

webdriverBinaries {
    chromedriver {
        version = '2.32'
        architecture = 'X86'
    }
    geckodriver {
        version = '0.19.0'
        architecture = 'X86'
    }
    iedriverserver {
        version = '3.8.0'
        architecture = 'X86'
        fallbackTo32Bit = true
    }
    edgedriver {
        version = '86.0.601.0'
        architecture = 'X86'
        fallbackTo32Bit = true
    }
}

Example usage which shows how to configure the plugin to use the latest version of chromedriver:

webdriverBinaries {
    chromedriver {
        versionRegexp = '.*'
    }
}

Configuring additional tasks with downloaded driver paths

By default the plugin configures all org.gradle.api.tasks.testing.Test tasks with locations of the downloaded binaries via system properties but additional tasks can also be configured as along as they implement org.gradle.process.JavaForkOptions - org.gradle.api.tasks.JavaExec is an example of such task.

Example usage:

task exec(type: JavaExec) {
    ...
}

webdriverBinaries {
    configureTask(exec)
}

Tasks

This plugin adds the following tasks to the project:

• configureChromeDriverBinary - downloads, caches and configures the build to use a ChromeDriver binary
• configureGeckoDriverBinary - downloads, caches and configures the build to use a GeckoDriver binary
• configureIeDriverServerBinary - downloads, caches and configures the build to use a IEDriverServer binary
• configureEdgeDriverBinary - downloads, caches and configures the build to use a EdgeDriver binary

There is no need to call the above tasks directly because the plugin interweaves them into the build lifecycle by configuring all org.gradle.api.tasks.testing.Test tasks to depend on them.

Note that a configure task for a given driver binary is skipped unless a version of the binary for that particular driver is specified using one of the properties of webdriverBinaries extension.

When a configuration task is executed it modifies configuration of system properties for all org.gradle.api.tasks.testing.Test tasks in the project so that the location of the WebDriver binary location is picked up when the driver is being initialized. That is, it adds a system property with a name specific to the given driver and a value being the path to the downloaded binary.

Configuring download URLs

By default, the plugin uses information from WebDriver Extensions Maven Plugin's package.json file to determine what URL should a given binary be downloaded from.

If a version of a binary you would like to download using the plugin is not listed in the aforementioned file you can do one of the following:

• provide a pull request to WebDriver Extensions Maven Plugin Repository 3.0 which adds the version in question to the file - the URL you add will be visible to the plugin as soon as the PR gets merged
• author an own version of the package.json file and configure the plugin to use it

If you'd like to use the latter then after authoring your own version of package.json and dropping it, for example, in the root directory of your build you need to configure the plugin to use it:

webdriverBinaries {
    driverUrlsConfiguration = resources.text.fromFile('package.json')
}

Note that the driverUrlsConfiguration property is a org.gradle.api.resources.TextResource and can be configured with a text resource from various sources - see javadoc for org.gradle.api.resources.TextResourceFactory for more examples.

Integration with Idea configuration extensions plugin (com.github.erdi.extended-idea)

If Idea configuration extensions plugin is applied to the project together with this plugin it will do the following:

• configure the ideaWorkspace task added to the build by Gradle's built-in IDEA plugin to depend on configureChromeDriverBinary, configureGeckoDriverBinary and configureIeDriverServerBinary tasks
• add system properties specific for the drivers, setting the path to the downloaded binaries as their values, to default default JUnit run configuration in IntelliJ when the configuration tasks are executed

The above will ensure that locations of driver binaries are picked up when running tests from IntelliJ.

Building

Importing into IDE

The project is setup to generate IntelliJ configuration files. Simply run ./gradlew idea and open the generated *.ipr file in IntelliJ.

Tests

If you import the project into IntelliJ as described above then you can run integration tests even after changing the code without having to perform any manual steps. They are configured to run in an environment matching the one used when running them using Gradle on the command line.

Checking the build

The project contains some code verification tasks aside from tests so if you wish to run a build matching the one on CI then execute ./gradlew check.