mbrock / Wd
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wd -- WebDriver command line tool
wd is a simple tool for interacting with servers that implement the
W3C WebDriver API.
It can be used for web automation tasks such as testing and scraping.
You can use Selenium as the WebDriver server to control browsers on your own machine.
There are commercial services that offer the WebDriver API remotely; see "Functional Test Services" here.
See the WebDriver spec for details about the protocol and behavior.
Dependencies
bash-
perl(5.14 or greater) curl
Example session
$ export WEBDRIVER_BROWSER=chrome
$ export WEBDRIVER_SESSION="$(wd new-session)"
$ wd go https://github.com/mbrock/wd
$ wd screenshot > /tmp/wd.png
$ wd click "$(wd find css .user-mention)"
$ wd exec 'return document.title'
Configuration
-
WEBDRIVER_URL: WebDriver API URL (defaulthttp://127.0.0.1:4444/wd/hub)
Command reference
Managing sessions
wd new-session
Prints the new session ID.
All other commands expect this ID to be in WEBDRIVER_SESSION, so
export WEBDRIVER_SESSION="$(wd new-session)"
is a useful pattern.
You must configure desired capabilities by setting either
-
WEBDRIVER_CAPABILITIESto a stringified JSON object, or -
WEBDRIVER_BROWSERto a browser name (chrome,firefox, etc).
wd delete-session
Deletes the current session.
Navigation
wd go <url>
Opens <url> in the current window.
wd back
Navigates back in the current window.
wd forward
Navigates forward in the current window.
wd refresh
Refreshes the page of the current window.
Element finding
wd find <strategy> <selector> ...
Finds one matching element and prints its element ID.
The <strategy> can be one of:
-
css(CSS selector) -
xpath(XPath selector) -
id(element ID) -
name(element name) -
class(element class name) -
tag(element tag name) -
link(element link text) -
partial(partial element link text)
The <selector> values are concatenated for convenience.
Example:
$ wd find css article header img.avatar
wd find-all <strategy> <selector> ...
See wd find; finds all matching elements.
wd find-in <element-id> <strategy> <selector> ...
See wd find; finds one matching sub-element.
wd find-all-in <element-id> <strategy> <selector> ...
See wd find; finds all matching sub-elements.
Element information
wd is-selected <element-id>
Exits with a non-zero status if the element is not a selected or
checked input or option.
wd is-enabled <element-id>
Exits with a non-zero status if the element is not an enabled form control.
wd attribute <element-id> <attribute-name>
Prints an element attribute value.
Exits with non-zero status if the given attribute does not exist.
wd css-value <element-id> <css-property-name>
Prints an element CSS property value.
Exits with non-zero status if the given style property does not exist.
wd text <element-id>
Prints an element's innerText.
wd tag-name <element-id>
Prints the tag name of an element.
Element actions
wd click <element-id>
Clicks an element.
wd clear <element-id>
Clears the value, checkedness, or text content of an element.
wd send-keys <element-id> [keys] ...
Sends keys to an element.
Key arguments are concatenated for convenience.
Example:
$ wd send-keys "$(wd find id search)" webdriver json api
JavaScript execution
wd execute <body> [argument] ...
Evaluates the JavaScript code <body> as a function called with the
given arguments.
Prints the return value of the specified function.
wd execute-async <body> [argument] ...
Evaluates as in wd execute but waiting for the script to invoke a callback
which is passed as an additional final argument to the specified function.
Prints the value finally passed to the callback.
Page information
wd get-current-url
Prints the URL of the page in the current window.
wd get-title
Prints the title of the page in the current window.
wd get-page-source
Prints the raw HTML source of the page in the current window.
Windows
wd get-window-size
Prints the current window's width and height on separate lines.
wd set-window-size <width> <height>
Changes the size of the current window.
wd maximize
Maximizes the current window.
wd get-window-handle
Prints the window handle of the current window.
wd get-window-handles
Prints a list of all window handles in the current session.
wd close-window
Close the current window.
wd switch-to-window <window-handle>
Changes which window is the current window.
Frames
wd switch-to-frame <frame-id>
Changes the current frame.
<frame-id> can be either a number or an element ID.
See the specification for exact details.
wd switch-to-top-level-frame
Resets the current frame to the top level.
wd switch-to-parent-frame
Sets the current frame to the parent of the current frame.
Cookies
See the spec for details on cookie JSON serialization.
wd cookies
Prints the currently set cookies as a JSON array.
wd cookie <name>
Prints the cookie named <name> as JSON.
wd add-cookie <key> <value> <key> <value> ...
Adds a cookie according to the given keys/values.
Example: wd add-cookie name '"user"' value '"mbrock"'
wd delete-cookie <name>
Deletes the cookie whose name is <name>.
wd delete-cookies
Deletes all cookies.
Screenshots
wd screenshot
Prints a binary PNG screenshot to stdout.
wd element-screenshot <element-id>
Prints a binary PNG screenshot of a specific element to stdout.
(Not supported by Chrome.)