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appium-mac2-driver
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1.12.0 • Public • Published

Appium Mac2 Driver

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This is Appium driver for automating macOS applications using Apple's XCTest framework. The driver operates in scope of W3C WebDriver protocol with several custom extensions to cover operating-system specific scenarios. The original idea and parts of the source code are borrowed from the Facebook's WebDriverAgent project.

[!NOTE] Since version 1.0.0 Mac2 driver has dropped the support of Appium 1, and is only compatible to Appium 2. Use the appium driver install mac2 command to add it to your Appium 2 dist.

Requirements

On top of standard Appium requirements Mac2 driver also expects the following prerequisites:

  • macOS 11 or later
  • Xcode 13 or later should be installed
    • xcode-select should be pointing to <full_path_to_xcode_app>/Contents/Developer developer directory instead of /Library/Developer/CommandLineTools to run xcodebuild commands
  • Xcode Helper app should be enabled for Accessibility access. The app itself could be usually found at /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Xcode/Agents/Xcode Helper.app. In order to enable Accessibility access for it simply open the parent folder in Finder: open /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Xcode/Agents/ and drag & drop the Xcode Helper app to Security & Privacy -> Privacy -> Accessibility list of your System Preferences. This action must only be done once.
  • testmanagerd process requires UIAutomation authentication since macOS 12. automationmodetool enable-automationmode-without-authentication command may help to disable it. This may be particularly useful in CI environments. Apple forum thread.

Doctor

Since driver version 1.9.0 you can automate the validation for the most of the above requirements as well as various optional ones needed by driver extensions by running the appium driver doctor mac2 server command.

Capabilities

Capability Name Description
platformName Should be set to mac
automationName Must always be set to mac2. Values of automationName are compared case-insensitively.
appium:systemPort The number of the port for the internal server to listen on. If not provided then Mac2Driver will use the default port 10100.
appium:systemHost The name of the host for the internal server to listen on. If not provided then Mac2Driver will use the default host address 127.0.0.1. You could set it to 0.0.0.0 to make the server listening on all available network interfaces. It is also possible to set the particular interface name, for example en1.
appium:webDriverAgentMacUrl Appium will connect to an existing WebDriverAgentMac instance at this URL instead of starting a new one. e.g. http://192.168.10.1:10101
appium:showServerLogs Set it to true in order to include xcodebuild output to the Appium server log. false by default.
appium:bootstrapRoot The full path to WebDriverAgentMac root folder where Xcode project of the server sources lives. By default this project is located in the same folder where the corresponding driver Node.js module lives.
appium:serverStartupTimeout The number of milliseconds to wait util the WebDriverAgentMac project is built and started. 120000 by default
appium:bundleId The bundle identifier of the application to automate, for example com.apple.TextEdit. This is an optional capability. If it is not provided then the session will be started without an application under test (actually, it will be Finder). If the application with the given identifier is not installed then an error will be thrown on session startup. If the application is already running then it will be moved to the foreground.
appium:arguments Array of application command line arguments. This capability is only going to be applied if the application is not running on session startup.
appium:environment A dictionary of environment variables (name->value) that are going to be passed to the application under test on top of environment variables inherited from the parent process. This capability is only going to be applied if the application is not running on session startup.
appium:skipAppKill Whether to skip the termination of the application under test when the testing session quits. false by default. This capability is only going to be applied if bundleId is set.
appium:prerun An object containing either script or command key. The value of each key must be a valid AppleScript script or command to be executed prior to the Mac2Driver session startup. See AppleScript commands execution for more details. Example: {command: 'do shell script "echo hello"'}
appium:postrun An object containing either script or command key. The value of each key must be a valid AppleScript script or command to be executed after Mac2Driver session is stopped. See AppleScript commands execution for more details.
appium:noReset Whether to restart the app whose bundle identifier was passed to capabilities as bundleId value if it was already running on the session startup (false, the default value) or just pick it up without changing the app state (true). Note that neither of arguments or environment capabilities will take effect if the app did not restart.
appium:appPath The path to the application to automate, for example /Applications/MyAppName.app. This is an optional capability, but it requires bundleId to be present. If bundleId is empty, appPath will be ignored. If the path is invalid or application is damaged/incomplete then an error will be thrown on session startup. This capability could be useful when you have multiple builds of the same application with the same bundleId on your machine (for example one production build in /Applications/ and several dev builds). If you provide bundleId only, the operating system could open any of these builds. By providing appPath you have a guarantee that the specified .app will be launched, rather than a random one.
appium:appLocale A dictionary with the following possible entries: locale (application locale name, for example uk_UA), language (application language name, for example de), useMetricUnits (whether to use metric units for the app, if false then imperial units are used), measurementUnits (the name of measurement units to use in the app, for example Inches). This capability only changes the locale for the app under test, it does not modify the system locale. You can achieve the same effect by providing custom values to reserved app command line arguments like -AppleLanguages or -AppleLocale using the appium:arguments capability. Example: use appLocale = {locale: "de", language: "de_DE"} to start the app in German language (if no German resources are defined in the destination app bundle then the app is started with the default locale, usually en_US).

Element Attributes

Mac2 driver supports the following element attributes:

Name Description Example
elementType Integer-encoded element class. See the official documentation on XCUIElementType enumeration for more details. '2'
frame Coordinates of bounding element rectangle {x: 1, y: 2.5, width: 100, height: 200}
placeholderValue It is usually only present for text fields. For other element types it's mostly empty 'my placeholder'
enabled Contains true if the element is enabled 'false'
focused Contains true if the element has the keyboard input focus 'false'
selected Contains true if the element is selected 'false'
hittable Contains true if the element is hittable 'true'
label Element's label value. Could be empty 'my label'
title Element's title value. Could be empty 'my title'
identifier Element's accessibility identifier. Could be empty 'identifier'
value The value could be different depending on the actual element type. For example, text fields might have their text context there and sliders would contain the float position value, while switches would have either 1 or 0 '1.5'

These attribute values could be retrieved from the page source output and then used for elements location. See the official documentation on XCUIElementAttributes protocol for more details on each attribute.

Element Location

Mac2 driver supports the following location strategies:

Name Description Speed Ranking Pseudocode
accessibilityId, id, name These all strategies are mapped to the same Mac2 driver ByIdentifier lookup strategy. The locator matches the passed value with element's identifer attribute case-sensitively. ⭐⭐⭐⭐⭐ AppiumBy.accessibilityId("identifier"), By.id("identifier"), By.name("identifier")
className Class name uses stringified element types for lookup ⭐⭐⭐⭐⭐ By.className("XCUIElementTypePopUpButton")
predicate Lookup by predicate is natively supported by XCTest and is as fast as previous lookup strategies. This lookup strategy could only use the supported element attributes. Unknown attribute names would throw an exception. Check NSPredicate cheat sheet for more details on how to build effective and flexible locators. ⭐⭐⭐⭐⭐ AppiumBy.iOSNsPredicateString("elementType == 2 AND label BEGINSWITH 'Safari'")
classChain This strategy is a combination of Xpath flexibility and fast predicate lookup. Prefer it over Xpath unless there is no other way to build the desired locator. Visit Class Chain Construction Rules tutorial to get more knowledge on how to build class chain locators. ⭐⭐⭐⭐ AppiumBy.iOSClassChain("**/XCUIElementTypeRuler[$elementType == 72 AND value BEGINSWITH '10'$]")
xpath For elements lookup Xpath strategy the driver uses the same XML tree that is generated by page source API. Only Xpath 1.0 is supported (based on xmllib2). ⭐⭐⭐ By.xpath("//XCUIElementTypePopUpButton[@value="Regular" and @label="type face"]")

Check the integration tests for more examples on different location strategies usage.

Platform-Specific Extensions

Beside of standard W3C APIs the driver provides the below custom command extensions to execute platform specific scenarios. Use the following source code examples in order to invoke them from your client code:

// Java 11+
var result = driver.executeScript("macos: <methodName>", Map.of(
    "arg1", "value1",
    "arg2", "value2"
    // you may add more pairs if needed or skip providing the map completely
    // if all arguments are defined as optional
));
// WebdriverIO
const result = await driver.executeScript('macos: <methodName>', [{
    arg1: "value1",
    arg2: "value2",
}]);
# Python
result = driver.execute_script('macos: <methodName>', {
    'arg1': 'value1',
    'arg2': 'value2',
})
# Ruby
result = @driver.execute_script 'macos: <methodName>', {
    arg1: 'value1',
    arg2: 'value2',
}
// Dotnet
object result = driver.ExecuteScript("macos: <methodName>", new Dictionary<string, object>() {
    {"arg1", "value1"},
    {"arg2", "value2"}
});

macos: click

Perform click gesture on an element or by relative/absolute coordinates

Arguments

Name Type Required Description Example
elementId ("element" prior to Appium v 1.22) string if x or y are unset Unique identifier of the element to perform the click on. Either this property or/and x and y must be set. If both are set then x and y are considered as relative element coordinates. If only x and y are set then these are parsed as absolute coordinates. 21045BC8-013C-43BD-9B1E-4C6DC7AB0744
x number if y is set or elementId is unset click X coordinate 100
y number if y is set or elementId is unset click Y coordinate 100
keyModifierFlags number no if set then the given key modifiers will be applied while click is performed. See the official documentation on XCUIKeyModifierFlags enumeration for more details `1 << 1

References

macos: scroll

Perform scroll gesture on an element or by relative/absolute coordinates

Arguments

Name Type Required Description Example
elementId ("element" prior to Appium v 1.22) string if x or y are unset Unique identifier of the element to be scrolled. Either this property or/and x and y must be set. If both are set then x and y are considered as relative element coordinates. If only x and y are set then these are parsed as absolute coordinates. 21045BC8-013C-43BD-9B1E-4C6DC7AB0744
x number if y is set or elementId is unset scroll X coordinate 100
y number if y is set or elementId is unset scroll Y coordinate 100
deltaX number yes Horizontal delta as float number. Could be negative 100
deltaY number yes vertical delta as float number. Could be negative 100
keyModifierFlags number no if set then the given key modifiers will be applied while scroll is performed. See the official documentation on XCUIKeyModifierFlags enumeration for more details `1 << 1

References

macos: rightClick

Perform right click gesture on an element or by relative/absolute coordinates

Arguments

Name Type Required Description Example
elementId ("element" prior to Appium v 1.22) string if x or y are unset Unique identifier of the element to perform the right click on. Either this property or/and x and y must be set. If both are set then x and y are considered as relative element coordinates. If only x and y are set then these are parsed as absolute coordinates. 21045BC8-013C-43BD-9B1E-4C6DC7AB0744
x number if y is set or elementId is unset right click X coordinate 100
y number if y is set or elementId is unset right click Y coordinate 100
keyModifierFlags number no if set then the given key modifiers will be applied while right click is performed. See the official documentation on XCUIKeyModifierFlags enumeration for more details `1 << 1

References

macos: hover

Perform hover gesture on an element or by relative/absolute coordinates

Arguments

Name Type Required Description Example
elementId ("element" prior to Appium v 1.22) string if x or y are unset Unique identifier of the element to perform the hover on. Either this property or/and x and y must be set. If both are set then x and y are considered as relative element coordinates. If only x and y are set then these are parsed as absolute coordinates. 21045BC8-013C-43BD-9B1E-4C6DC7AB0744
x number if y is set or elementId is unset long click X coordinate 100
y number if y is set or elementId is unset long click Y coordinate 100
keyModifierFlags number no if set then the given key modifiers will be applied while hover is performed. See the official documentation on XCUIKeyModifierFlags enumeration for more details `1 << 1

References

macos: doubleClick

Perform double click gesture on an element or by relative/absolute coordinates

Arguments

Name Type Required Description Example
elementId ("element" prior to Appium v 1.22) string if x or y are unset Unique identifier of the element to perform the double click on. Either this property or/and x and y must be set. If both are set then x and y are considered as relative element coordinates. If only x and y are set then these are parsed as absolute coordinates. 21045BC8-013C-43BD-9B1E-4C6DC7AB0744
x number if y is set or elementId is unset double click X coordinate 100
y number if y is set or elementId is unset double click Y coordinate 100
keyModifierFlags number no if set then the given key modifiers will be applied while click is performed. See the official documentation on XCUIKeyModifierFlags enumeration for more details `1 << 1

References

macos: clickAndDrag

Perform long click and drag gesture on an element or by absolute coordinates

Arguments

Name Type Required Description Example
sourceElementId ("sourceElement" prior to Appium v 1.22) string if startX, startY, endX and endY are unset or if destinationElementId is set Uuid of the element to start the drag from. 21045BC8-013C-43BD-9B1E-4C6DC7AB0744
destinationElementId ("destinationElement" prior to Appium v 1.22) string if startX, startY, endX and endY are unset or if sourceElementId is set Uuid of the element to end the drag on. 21045BC8-013C-43BD-9B1E-4C6DC7AB0745
startX number if sourceElementId and destinationElementId are unset starting X coordinate 100
startY number if sourceElementId and destinationElementId are unset starting Y coordinate 110
endX number if sourceElementId and destinationElementId are unset end X coordinate 200
endY number if sourceElementId and destinationElementId are unset end Y coordinate 220
duration number yes The number of float seconds to hold the mouse button 2.5
keyModifierFlags number no if set then the given key modifiers will be applied while drag is performed. See the official documentation on XCUIKeyModifierFlags enumeration for more details `1 << 1

References

macos: clickAndDragAndHold

Perform long click, drag and hold gesture on an element or by absolute coordinates

Arguments

Name Type Required Description Example
sourceElementId ("sourceElement" prior to Appium v 1.22) string if startX, startY, endX and endY are unset or if destinationElementId is set Uuid of the element to start the drag from. 21045BC8-013C-43BD-9B1E-4C6DC7AB0744
destinationElementId ("destinationElement" prior to Appium v 1.22) string if startX, startY, endX and endY are unset or if sourceElementId is set Uuid of the element to end the drag on. 21045BC8-013C-43BD-9B1E-4C6DC7AB0745
startX number if sourceElementId and destinationElementId are unset starting X coordinate 100
startY number if sourceElementId and destinationElementId are unset starting Y coordinate 110
endX number if sourceElementId and destinationElementId are unset end X coordinate 200
endY number if sourceElementId and destinationElementId are unset end Y coordinate 220
duration number yes The number of float seconds to hold the mouse button 2.5
holdDuration number yes Touch hold duration in float seconds 2.5
velocity number no Dragging velocity in pixels per second. If not provided then the default velocity is used. See official documentation on XCUIGestureVelocity structure for more details 2500
keyModifierFlags number no if set then the given key modifiers will be applied while drag is performed. See the official documentation on XCUIKeyModifierFlags enumeration for more details `1 << 1

References

mobile: swipe

This extension performs a swipe gesture on the particular screen element or by given coordinates. The API is only available on macOS since Xcode SDK 13.

Arguments

Name Type Required Description Example
elementId ("element" prior to Appium v 1.22) string if x or y are unset The internal element identifier (as hexadecimal hash string) to swipe on. If both are set then x and y are considered as relative element coordinates. If only x and y are set then these are parsed as absolute coordinates. fe50b60b-916d-420b-8728-ee2072ec53eb
x number if y is set or elementId is unset long click X coordinate 100
y number if y is set or elementId is unset long click Y coordinate 100
direction Either 'up', 'down', 'left' or 'right' yes The direction in which to swipe up
velocity number no The value is measured in pixels per second and same values could behave differently on different devices depending on their display density. Higher values make swipe gesture faster (which usually scrolls larger areas if we apply it to a list) and lower values slow it down. Only values greater than zero have effect. 250
keyModifierFlags number no if set then the given key modifiers will be applied while swipe is performed. See the official documentation on XCUIKeyModifierFlags enumeration for more details `1 << 1

References

macos: press

Perform press gesture on a Touch Bar element or by relative/absolute coordinates

Arguments

Name Type Required Description Example
elementId string if x or y are unset Unique identifier of a Touch Bar element to perform the press on. Either this property or/and x and y must be set. If both are set then x and y are considered as relative element coordinates. If only x and y are set then these are parsed as absolute Touch Bar coordinates. 21045BC8-013C-43BD-9B1E-4C6DC7AB0744
x number if y is set or elementId is unset long click X coordinate 100
y number if y is set or elementId is unset long click Y coordinate 100
duration number yes The number of float seconds to hold the touch 2.5
keyModifierFlags number no if set then the given key modifiers will be applied while the gesture is performed. See the official documentation on XCUIKeyModifierFlags enumeration for more details `1 << 1

References

macos: tap

Perform tap gesture on a Touch Bar element or by relative/absolute coordinates

Arguments

Name Type Required Description Example
elementId string if x or y are unset Unique identifier of a Touch Bar element to perform the tap on. Either this property or/and x and y must be set. If both are set then x and y are considered as relative element coordinates. If only x and y are set then these are parsed as absolute Touch Bar coordinates. 21045BC8-013C-43BD-9B1E-4C6DC7AB0744
x number if y is set or elementId is unset click X coordinate 100
y number if y is set or elementId is unset click Y coordinate 100
keyModifierFlags number no if set then the given key modifiers will be applied while the gesture is performed. See the official documentation on XCUIKeyModifierFlags enumeration for more details `1 << 1

References

macos: doubleTap

Perform double tap gesture on a Touch Bar element or by relative/absolute coordinates

Arguments

Name Type Required Description Example
elementId string if x or y are unset Unique identifier of a Touch Bar element to perform the double tap on. Either this property or/and x and y must be set. If both are set then x and y are considered as relative element coordinates. If only x and y are set then these are parsed as absolute Touch Bar coordinates. 21045BC8-013C-43BD-9B1E-4C6DC7AB0744
x number if y is set or elementId is unset click X coordinate 100
y number if y is set or elementId is unset click Y coordinate 100
keyModifierFlags number no if set then the given key modifiers will be applied while the gesture is performed. See the official documentation on XCUIKeyModifierFlags enumeration for more details `1 << 1

References

macos: pressAndDrag

Perform long press and drag gesture on a Touch Bar element or by absolute Touch Bar coordinates

Arguments

Name Type Required Description Example
sourceElementId string if startX, startY, endX and endY are unset or if destinationElementId is set Uuid of a Touch Bar element to start the drag from. 21045BC8-013C-43BD-9B1E-4C6DC7AB0744
destinationElementId string if startX, startY, endX and endY are unset or if sourceElementId is set Uuid of a Touch Bar element to end the drag on. 21045BC8-013C-43BD-9B1E-4C6DC7AB0745
startX number if sourceElementId and destinationElementId are unset starting X coordinate 100
startY number if sourceElementId and destinationElementId are unset starting Y coordinate 110
endX number if sourceElementId and destinationElementId are unset end X coordinate 200
endY number if sourceElementId and destinationElementId are unset end Y coordinate 220
duration number yes The number of float seconds to hold the touch 2.5
keyModifierFlags number no if set then the given key modifiers will be applied while the gesture is performed. See the official documentation on XCUIKeyModifierFlags enumeration for more details `1 << 1

References

macos: pressAndDragAndHold

Perform long press, drag and hold gesture on a Touch Bar element or by absolute Touch Bar coordinates

Arguments

Name Type Required Description Example
sourceElementId string if startX, startY, endX and endY are unset or if destinationElementId is set Uuid of a Touch Bar element to start the drag from. 21045BC8-013C-43BD-9B1E-4C6DC7AB0744
destinationElementId string if startX, startY, endX and endY are unset or if sourceElementId is set Uuid of a Touch Bar element to end the drag on. 21045BC8-013C-43BD-9B1E-4C6DC7AB0745
startX number if sourceElementId and destinationElementId are unset starting X coordinate 100
startY number if sourceElementId and destinationElementId are unset starting Y coordinate 110
endX number if sourceElementId and destinationElementId are unset end X coordinate 200
endY number if sourceElementId and destinationElementId are unset end Y coordinate 220
duration number yes The number of float seconds to hold the touch 2.5
holdDuration number yes Touch hold duration in float seconds 2.5
velocity number no Dragging velocity in pixels per second. If not provided then the default velocity is used. See official documentation on XCUIGestureVelocity structure for more details 2500
keyModifierFlags number no if set then the given key modifiers will be applied while the gesture is performed. See the official documentation on XCUIKeyModifierFlags enumeration for more details `1 << 1

References

macos: keys

Send keys to the given element or to the application under test

Arguments

Name Type Required Description Example
elementId ("element" prior to Appium v 1.22) string no Unique identifier of the element to send the keys to. If unset then keys are sent to the current application under test. 21045BC8-013C-43BD-9B1E-4C6DC7AB0744
keys array yes Array of keys to type. Each item could either be a string, that represents a key itself (see the official documentation on XCUIElement's typeKey:modifierFlags: method and on XCUIKeyboardKey constants) or a dictionary with key and modifierFlags entries, if the key should also be entered with modifiers. ['h', 'i'] or [{key: 'h', modifierFlags: 1 << 1}, {key: 'i', modifierFlags: 1 << 2}] or ['XCUIKeyboardKeyEscape']

[!NOTE] The modifierFlags argument is of unsigned long type and defines the bitmask with depressed modifier keys for the given key. XCTest defines the following possible bitmasks for modifier keys:

typedef NS_OPTIONS(NSUInteger, XCUIKeyModifierFlags) {
   XCUIKeyModifierNone       = 0,
   XCUIKeyModifierCapsLock   = (1UL << 0),
   XCUIKeyModifierShift      = (1UL << 1),
   XCUIKeyModifierControl    = (1UL << 2),
   XCUIKeyModifierOption     = (1UL << 3),
   XCUIKeyModifierCommand    = (1UL << 4),
   XCUIKeyModifierFunction   = (1UL << 5),
   // These values align with UIKeyModifierFlags and CGEventFlags.
   XCUIKeyModifierAlphaShift = XCUIKeyModifierCapsLock,
   XCUIKeyModifierAlternate  = XCUIKeyModifierOption,
};

So, for example, if you want Ctrl and Shift to be depressed while entering your key then modifierFlags should be set to (1 << 1) | (1 << 2), where the first constant defines XCUIKeyModifierShift and the seconds one - XCUIKeyModifierControl. We apply the bitwise or (|) operator between them to raise both bitflags in the resulting value. The left bitshift (<<) operator defines the binary bitmask for the given modifier key. You may combine more keys using the same approach.

References

macos: source

Retrieves the string representation of the current application

Arguments

Name Type Required Description Example
format string yes The format of the application source to retrieve. Only two formats are supported: xml (returns the source formatted as XML document, the default value) and description (returns the source formatted as debugDescription output). See the official documentation on XCUIElement's debugDescription method for more details. description

Returns

The source of the current page in a string representation

macos: launchApp

Start an app with the given bundle identifier or activates it if the app is already running. An exception is thrown if the app with the given identifier cannot be found. This API influences the state of the Application Under Test.

Arguments

Name Type Required Description Example
bundleId string no Bundle identifier of the app to be launched or activated. Either this argument or the path one must be provided com.apple.TextEdit
path string no Full path to the app bundle. Either this argument or the bundleId one must be provided /Applications/Xcode.app
arguments array no the list of command line arguments for the app to be be launched with. This argument is ignored if the app is already running. ['--help']
environment dictionary no Environment variables mapping. Custom variables are added to the default process environment. This argument is ignored if the app is already running. { myEnvVar: 'value' }

macos: activateApp

Activates an app with the given bundle identifier. An exception is thrown if the app with the given identifier cannot be found or if the app is not running. This API influences the state of the Application Under Test.

Arguments

Name Type Required Description Example
bundleId string no Bundle identifier of the app to be activated. Either this argument or the path one must be provided com.apple.Finder
path string no Full path to the app bundle. Either this argument or the bundleId one must be provided /Applications/Xcode.app

macos: terminateApp

Terminate an app with the given bundle identifier. An exception is thrown if the app cannot be found. This API influences the state of the Application Under Test.

Arguments

Name Type Required Description Example
bundleId string no Bundle identifier of the app to be terminated. Either this argument or the path one must be provided com.apple.Finder
path string no Full path to the app bundle. Either this argument or the bundleId one must be provided /Applications/Xcode.app

Returns

true if the app was running before being terminated

macos: queryAppState

Query an app state with given bundle identifier. An exception is thrown if the pp cannot be found.

Arguments

Name Type Required Description Example
bundleId string no Bundle identifier of the app to be queried. Either this argument or the path one must be provided com.apple.TextEdit
path string no Full path to the app bundle. Either this argument or the bundleId one must be provided /Applications/Xcode.app

Returns

An integer value representing the application state. See the official documentation on XCUIApplicationState enumeration for more details.

macos: appleScript

Executes the given AppleScript command or a whole script based on the given options. Either of these options must be provided. If both are provided then the command one gets the priority. Note that AppleScript command cannot contain line breaks. Consider making it to a script in such case. Note that by default AppleScript engine blocks commands/scripts execution if your script is trying to access some private entities, like cameras or the desktop screen and no permissions to do it are given to the parent (for example, Appium or Terminal) process in System Preferences -> Privacy list. See AppleScript Commands Execution for more details.

Arguments

Name Type Required Description Example
command string yes if script is not provided AppleScript command to execute do shell script "echo hello"
script string yes if command is not provided AppleScript script to execute do shell script "echo hello"\ndo shell script "echo hello2"
language string no Overrides the scripting language. Basically, sets the value of -l command line argument of osascript tool. If unset the AppleScript language is assumed. JavaScript
timeout number no The number of seconds to wait until a long-running blocking command is finished. An error is thrown if the command is still running after this timeout expires. 60000
cwd string no The path to an existing folder which is going to be set as the working directory for the command/script being executed. /tmp

Returns

The actual stdout of the provided script if its execution was successful (e.g. got zero return code).

macos: startRecordingScreen

Record the display in background while the automated test is running. This method requires FFMPEG to be installed and present in PATH. Also, the Appium process must be allowed to access screen recording in System Preferences->Security & Privacy->Screen Recording. The resulting video uses H264 codec and is ready to be played by media players built-in into web browsers.

Arguments

Name Type Required Description Example
deviceId number yes Screen device index to use for the recording. The list of available devices could be retrieved using ffmpeg -f avfoundation -list_devices true -i command. 1
videoFilter string no The video filter spec to apply for ffmpeg. See https://trac.ffmpeg.org/wiki/FilteringGuide for more details on the possible values. Set it to scale=ifnot(gte(iw\,1024)\,iw\,1024):-2 in order to limit the video width to 1024px. The height will be adjusted automatically to match the actual ratio.
fps number no The count of frames per second in the resulting video. The greater fps it has the bigger file size is. The default vale is 15 10
preset string no One of the supported encoding presets. Possible values are: ultrafast, superfast, veryfast (the default value), faster, fast, medium, slow, slower, veryslow. A preset is a collection of options that will provide a certain encoding speed to compression ratio. A slower preset will provide better compression (compression is quality per filesize). This means that, for example, if you target a certain file size or constant bit rate, you will achieve better quality with a slower preset. Read https://trac.ffmpeg.org/wiki/Encode/H.264 for more details. fast
captureCursor boolean no Whether to capture the mouse cursor while recording the screen. false by default true
captureClicks boolean no Whether to capture mouse clicks while recording the screen. false by default true
timeLimit number no The maximum recording time, in seconds. The default value is 600 seconds (10 minutes) 300
forceRestart boolean no Whether to ignore the call if a screen recording is currently running (false) or to start a new recording immediately and terminate the existing one if running (true, the default value). true

macos: stopRecordingScreen

Stop recording the screen. If no screen recording has been started before then the method returns an empty string.

Arguments

Name Type Required Description Example
remotePath string no The path to the remote location, where the resulting video should be uploaded. The following protocols are supported: http/https, ftp. Null or empty string value (the default setting) means the content of resulting file should be encoded as Base64 and passed as the endpoint response value. An exception will be thrown if the generated media file is too big to fit into the available process memory. https://myserver.com/upload/video.mp4
user string no The name of the user for the remote authentication. myname
pass string no The password for the remote authentication. mypassword
method string no The http multipart upload method name. The 'PUT' one is used by default. POST
headers map no Additional headers mapping for multipart http(s) uploads {"header": "value"}
fileFieldName string no The name of the form field, where the file content BLOB should be stored for http(s) uploads. file by default payload
formFields Map or Array<Pair> no Additional form fields for multipart http(s) uploads {"field1": "value1", "field2": "value2"} or [["field1", "value1"], ["field2", "value2"]]

Returns

Base64-encoded content of the recorded media file if remotePath parameter is falsy or an empty string.

macos: screenshots

Retrieves a screenshot of each display available to macOS.

Arguments

Name Type Required Description Example
displayId number no Display identifier to take a screenshot for. If not provided then all display screenshots are going to be returned. If no matches were found then an error is thrown. 1

Returns

A list of dictionaries where each item has the following keys:

  • id: Display identifier
  • isMain: Whether this display is the main one
  • payload: The actual PNG screenshot data encoded to base64 string

Application Under Test Concept

The Mac2 driver has the concept of Application Under Test. This is the app, whose bundle identifier has been passed as bundleId capability or as an argument to macos: activateApp or macos: launchApp extensions. If this application is unexpectedly terminated during test session execution then an exception is going to be thrown upon any following session command invocation. In such case the driver assumes the application under test is crashed and it is impossible to proceed. Also, the Application Under Test is going to be terminated when the testing session quits (unless canceled by skipAppKill capability). It is possible to reset the Application Under Test value to none by executing macos: terminateApp helper and providing the bundle identifier of this app to it. Also, macos: activateApp or macos: launchApp calls can change Application Under Test value if a bundle identifier different from the current one is provided to them.

AppleScript Commands Execution

There is a possibility to run custom AppleScript from your client code. This feature is potentially insecure and thus needs to be explicitly enabled when executing the server by providing apple_script key to the list of enabled insecure features. Check Appium Security document for more details. It is possible to either execute a single AppleScript command (use the command argument) or a whole script (use the script argument) and get its stdout in response. If the script execution returns non-zero exit code then an exception is going to be thrown. The exception message will contain the actual stderr. If the script is a blocking one then it could only run up to 20 seconds long. After that the script will be terminated and a timeout error will be thrown. This timeout could be customized by providing the timeout option value. You could also customize the script working directory by providing the cwd option. Here's an example code of how to get a shell command output:

// java
String appleScript = "do shell script \"echo hello\"";
System.println(driver.executeScript("macos: appleScript", ImmutableMap.of("command", appleScript)));

W3C Action Recipes

In theory it is possible to emulate a mouse gesture of any complexity with W3C actions. However, there is a set of "standard" gestures, where each operating system has its own requirements, like clicks, double clicks, etc. All such action parameters must comply with these requirements to be recognized properly. Here is a short list of examples for the most common macOS pointer gestures:

Click

[
  {"type": "pointerMove", "duration": 10, "x": 100, "y": 100},
  {"type": "pointerDown", "button": 0},
  {"type": "pause", "duration": 100},
  {"type": "pointerUp", "button": 0}
]

The duration of mouse button suppression should be 0-125 ms.

Right Click

[
  {"type": "pointerMove", "duration": 10, "x": 100, "y": 100},
  {"type": "pointerDown", "button": 2},
  {"type": "pointerUp", "button": 2}
]

The duration of mouse button suppression should be 0-125 ms.

Double Click

[
  {"type": "pointerMove", "duration": 10, "x": 100, "y": 100},
  {"type": "pointerDown", "button": 0},
  {"type": "pointerUp", "button": 0},
  {"type": "pause", "duration": 1000},
  {"type": "pointerDown", "button": 0},
  {"type": "pointerUp", "button": 0}
]

The duration between two clicks should be 600-1000 ms.

Drag & Drop

[
  {"type": "pointerMove", "duration": 10, "x": 100, "y": 100},
  {"type": "pointerDown", "button": 0},
  {"type": "pause", "duration": 600},
  {"type": "pointerMove", "duration": 10, "x": 200, "y": 200},
  {"type": "pointerUp", "button": 0}
]

The longer is the duration of the second pointerMove action the lesser is the drag velocity and vice versa. One could add more pointerMove actions before releasing the mouse button to simulate complex cursor moving paths. Mac2Driver terminates action execution with a timeout error if the duration of it exceeds 5 minutes.

Hover

[
  {"type": "pointerMove", "duration": 10, "x": 100, "y": 100},
  {"type": "pointerMove", "duration": 1000, "x": 200, "y": 200}
]

This snippet tells the mouse pointer to hover over [100, 100, 200, 200] area for 1 second. In general, hover action will be performed every time if there is no preceding pointerDown to the current pointerMove one or the preceding pointerDown action has been ended by the pointerUp one.

Settings API

Mac2Driver supports Appium Settings API. Along with the common settings the following driver-specific settings are currently available:

Name Type Description
boundElementsByIndex boolean Whether to use elements binding by index (true) or by accessibility identifier (the default setting, false). It makes sense to switch the binding strategy to workaround stale element reference errors containing Identity Binding text in their descriptions. See the corresponding Stack Overflow discussion to know more details on the difference between these two binding strategies.
useDefaultUiInterruptionsHandling boolean Whether to use the default XCTest UI interruptions handling (true, the default setting) or to disable it for the Application Under Test (false). It makes sense to disable the default handler if it is necessary to validate the interrupting element's presence in your test or do some other actions on it rather than just closing the view implicitly. Check this WWDC presentation from Apple to get more details on the UI interruptions handling.

Examples

# Python3 + PyTest
import pytest

from appium import webdriver
# Options are available in Python client since v2.6.0
from appium.options.mac import Mac2Options
from appium.webdriver.common.appiumby import AppiumBy


@pytest.fixture()
def driver():
    options = Mac2Options()
    options.bundle_id = 'com.apple.TextEdit'
    # The default URL is http://127.0.0.1:4723/wd/hub in Appium1
    drv = webdriver.Remote('http://127.0.0.1:4723', options=options)
    yield drv
    drv.quit()


def test_edit_text(driver):
    edit_field = driver.find_element(by=AppiumBy.CLASS_NAME, value='XCUIElementTypeTextView')
    edit_field.send_keys('hello world')
    assert edit_field.text == 'hello world'
    edit_field.clear()
    assert edit_field.text == ''


def test_sending_custom_keys(driver):
    edit_field = driver.find_element(by=AppiumBy.CLASS_NAME, value='XCUIElementTypeTextView')
    flagsShift = 1 << 1
    driver.execute_script('macos: keys', {
        'keys': [{
            'key': 'h',
            'modifierFlags': flagsShift,
        }, {
            'key': 'i',
            'modifierFlags': flagsShift,
        }]
    })
    assert edit_field.text == 'HI'

Parallel Execution

Parallel execution of multiple Mac2 driver instances is highly discouraged. Only one UI test must be running at the same time, since the access to accessibility layer is single-threaded. Also HID devices, like the mouse or the keyboard, must be acquired exclusively.

Environment Variables

The server part of the driver recognizes the following environment variables:

  • ENABLE_AUTOMATIC_SCREENSHOTS: enables automatic XCTest screenshots. These screenshots are stored in the same folder where WDA test logs are located and are taken automatically. This feature is disabled by default. Only enable it if you know what you are doing otherwise these screenshots may quickly fill up the free disk space.
  • ENABLE_AUTOMATIC_SCREEN_RECORDINGS: enables automatic XCTest screen recordings. These screen recordings are stored in the same folder where WDA test logs are located and are taken automatically. This feature is disabled by default. Only enable it if you know what you are doing otherwise these videos may quickly fill up the free disk space. The native screen recording feature only works on Xcode 15+.
  • USE_PORT. If enabled then the server listens on the given port. Otherwise, a random free port from the 10100..10200 range is selected. By default, the port is selected by the driver (see the appium:systemPort capability description).
  • VERBOSE_LOGGING. If enabled then server logs should include various verbose details. Disabled by default.

Development & Testing

This module uses the same development tools as the other Appium drivers.

Check out the source. Then run:

npm install

Execute npm run test to run unit tests and npm run e2e-test to run integration tests.

Notes

  • W3C actions support is limited (only mouse actions are supported). You could also use macos: extension APIs to cover your test scenarios

Dependencies (10)

Dev Dependencies (34)

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Install

npm i appium-mac2-driver

Repository

github.com/appium/appium-mac2-driver

Homepage

github.com/appium/appium-mac2-driver#readme

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Version

1.12.0

License

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Collaborators

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  • kazucocoa
  • boneskull
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