Getting Started with Plugins
Plugins can extend Selenium IDE's default behavior, through adding additional commands and locators, bootstrapping setup before and after test runs, and affecting the recording process.
Selenium IDE is using the WebExtension standard to work in modern browsers, you can check out Mozilla's Your first extension.
Communicating between the extensions is handled via the external messaging protocol, you can view an example of that here.
This article assumes knowledge in WebExtension development, and will only discuss Selenium IDE specific capabilities.
Calling the API
Selenium IDE API can be called using browser.runtime.sendMessage.
An example signature would be browser.runtime.sendMessage(SIDE_ID, request) where SIDE_ID refers to the IDE's extension ID, the official published IDs can be viewed here.
Request
The request is the second argument for browser.runtime.sendMessage and is similar in it's ideas to HTTP.
{
uri: "/register",
verb: "post",
payload: {
name: "Selenium IDE plugin",
version: "1.0.0"
}
}- uri - a resource locator to an IDE feature (e.g. record a command, resolve a locator)
- verb - a modifier function (e.g. get gets you stuff, post adds new stuff, just like in http)
The IDE will reply with a valid response, in case of an error it can be viewed by opening the DevTools of the IDE window.
browser.runtime.sendMessage(SIDE_ID, request).then(response => {
console.log("it worked!");
});
The Manifest
Plugins provide the IDE with a manifest that declares their changes and additions to the IDE's capabilities.
{
name: "New Plugin",
version: "1.0.0",
commands: [
{
id: "newCommand",
name: "new command",
type: "locator",
docs: {
description: "command description",
target: { name: "command target", value: "command target description" },
value: { name: "command value", value: "command value description" }
}
},
{
id: "anotherCommand",
name: "another command",
type: "locator",
docs: {
description: "another command description",
target: "locator",
value: "pattern"
}
}
],
locators: [
{
id: "locator"
}
],
dependencies: {
"selenium-webdriver": "3.6.0"
}
}General Information
- name - required, the plugin name.
- version - required, the plugin version.
Commands
A list of new commands to be added to the IDE, each command takes a few parameters:
- id - required, a camelCase unique identifier for the command.
- name - required, a natural language name for the command, the user will see this.
- type - optional, can be either locator or region, is used to enable the find and select buttons. (NOTE: type is still in beta, and may be changed in the future).
- docs - optional, a collection of metadata for the command description, target, and value. Alternatively, you can use an existing command target or value (a.k.a. ArgTypes) by specifying its name as a string (rather than a sub-collection). See ArgTypes in Command.js for a full list.
Locators
NOTE: Locators are still Work-in-Progress, and will be added shortly
A list of new locators to be added to the IDE, each locator simply takes id.
- id - required, a unique identifier for the locator, will be shown to the user (e.g. name, css).
Dependencies
Additional Node.js dependencies to download and use when ran in command line using selenium-side-runner.
Registering the Plugin
To register the plugin with Selenium IDE, make sure the IDE window is open, and that you're using the correct IDE ID.
Send the following message:
browser.runtime.sendMessage(process.env.SIDE_ID, {
uri: "/register",
verb: "post",
payload: {
name: "Selenium IDE plugin",
version: "1.0.0",
commands: [
{
id: "successfulCommand",
name: "successful command"
},
{
id: "failCommand",
name: "failed command"
}
]
}
}).catch(console.error);
Where payload is the manifest.
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