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test


import "fyne.io/fyne/test"

Package test provides utility drivers for running UI tests without rendering

Usage

func ApplyTheme

func ApplyTheme(t *testing.T, theme fyne.Theme)

ApplyTheme sets the given theme and waits for it to be applied to the current app.

func AssertCanvasTappableAt

func AssertCanvasTappableAt(t *testing.T, c fyne.Canvas, pos fyne.Position) bool

AssertCanvasTappableAt asserts that the canvas is tappable at the given position.

func AssertImageMatches

func AssertImageMatches(t *testing.T, masterFilename string, img image.Image, msgAndArgs ...interface{}) bool

AssertImageMatches asserts that the given image is the same as the one stored in the master file. The master filename is relative to the testdata directory which is relative to the test. The test t fails if the given image is not equal to the loaded master image. In this case the given image is written into a file in testdata/failed/<masterFilename> (relative to the test). This path is also reported, thus the file can be used as new master.

func AssertNotificationSent

func AssertNotificationSent(t *testing.T, n *fyne.Notification, f func())

AssertNotificationSent allows an app developer to assert that a notification was sent. After the content of f has executed this utility will check that the specified notification was sent.

func Canvas

func Canvas() fyne.Canvas

Canvas returns a reusable in-memory canvas used for testing

func Drag

func Drag(c fyne.Canvas, pos fyne.Position, deltaX, deltaY int)

Drag drags at an absolute position on the canvas. deltaX/Y is the dragging distance: <0 for dragging up/left, >0 for dragging down/right.

func LaidOutObjects

func LaidOutObjects(o fyne.CanvasObject) (objects []fyne.CanvasObject)

LaidOutObjects returns all fyne.CanvasObject starting at the given fyne.CanvasObject which is laid out previously.

func MoveMouse

func MoveMouse(c fyne.Canvas, pos fyne.Position)

MoveMouse simulates a mouse movement to the given position.

func NewApp

func NewApp() fyne.App

NewApp returns a new dummy app used for testing. It loads a test driver which creates a virtual window in memory for testing.

func NewClipboard

func NewClipboard() fyne.Clipboard

NewClipboard returns a single use in-memory clipboard used for testing

func NewDriver

func NewDriver() fyne.Driver

NewDriver sets up and registers a new dummy driver for test purpose

func NewDriverWithPainter

func NewDriverWithPainter(painter SoftwarePainter) fyne.Driver

NewDriverWithPainter creates a new dummy driver that will pass the given painter to all canvases created

func NewTheme

func NewTheme() fyne.Theme

NewTheme returns a new testTheme.

func NewWindow

func NewWindow(content fyne.CanvasObject) fyne.Window

NewWindow creates and registers a new window for test purposes

func Scroll

func Scroll(c fyne.Canvas, pos fyne.Position, deltaX, deltaY int)

Scroll scrolls at an absolute position on the canvas. deltaX/Y is the scrolling distance: <0 for scrolling up/left, >0 for scrolling down/right.

func Tap

func Tap(obj fyne.Tappable)

Tap simulates a left mouse click on the specified object.

func TapAt

func TapAt(obj fyne.Tappable, pos fyne.Position)

TapAt simulates a left mouse click on the passed object at a specified place within it.

func TapCanvas

func TapCanvas(c fyne.Canvas, pos fyne.Position)

TapCanvas taps at an absolute position on the canvas.

func TapSecondary

func TapSecondary(obj fyne.SecondaryTappable)

TapSecondary simulates a right mouse click on the specified object.

func TapSecondaryAt

func TapSecondaryAt(obj fyne.SecondaryTappable, pos fyne.Position)

TapSecondaryAt simulates a right mouse click on the passed object at a specified place within it.

func Type

func Type(obj fyne.Focusable, chars string)

Type performs a series of key events to simulate typing of a value into the specified object. The focusable object will be focused before typing begins. The chars parameter will be input one rune at a time to the focused object.

func TypeOnCanvas

func TypeOnCanvas(c fyne.Canvas, chars string)

TypeOnCanvas is like the Type function but it passes the key events to the canvas object rather than a focusable widget.

func WidgetRenderer

func WidgetRenderer(wid fyne.Widget) fyne.WidgetRenderer

WidgetRenderer allows test scripts to gain access to the current renderer for a widget. This can be used for verifying correctness of rendered components for a widget in unit tests.

func WithTestTheme

func WithTestTheme(t *testing.T, f func())

WithTestTheme runs a function with the testTheme temporarily set.

types

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