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Commit 6adb3970 authored by Hawkwood Glazier's avatar Hawkwood Glazier Committed by Automerger Merge Worker
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Merge "Refactor ViewScreenshotTestRule slightly to make it a bit extensible"... 

Merge "Refactor ViewScreenshotTestRule slightly to make it a bit extensible" into udc-dev am: b9769221 am: ce7068fa

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21958227



Change-Id: I80746866c86f842341d454bc0993f353fc16652e
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 721dbddb ce7068fa

packages/SystemUI/screenshot/src/com/android/systemui/testing/screenshot/ViewScreenshotTestRule.kt

+17 −10
Original line number Diff line number Diff line
@@ -39,14 +39,14 @@ import platform.test.screenshot.getEmulatedDevicePathConfig 
import platform.test.screenshot.matchers.BitmapMatcher



/** A rule for View screenshot diff unit tests. */

class ViewScreenshotTestRule(

open class ViewScreenshotTestRule(

    emulationSpec: DeviceEmulationSpec,

    private val matcher: BitmapMatcher = UnitTestBitmapMatcher,

    assetsPathRelativeToBuildRoot: String

) : TestRule {

    private val colorsRule = MaterialYouColorsRule()

    private val deviceEmulationRule = DeviceEmulationRule(emulationSpec)

    private val screenshotRule =

    protected val screenshotRule =

        ScreenshotTestRule(

            SystemUIGoldenImagePathManager(

                getEmulatedDevicePathConfig(emulationSpec),
@@ -64,15 +64,10 @@ class ViewScreenshotTestRule( 
        return delegateRule.apply(base, description)

    }



    /**

     * Compare the content of the view provided by [viewProvider] with the golden image identified

     * by [goldenIdentifier] in the context of [emulationSpec].

     */

    fun screenshotTest(

        goldenIdentifier: String,

    protected fun takeScreenshot(

        mode: Mode = Mode.WrapContent,

        viewProvider: (ComponentActivity) -> View,

    ) {

    ): Bitmap {

        activityRule.scenario.onActivity { activity ->

            // Make sure that the activity draws full screen and fits the whole display instead of

            // the system bars.
@@ -99,7 +94,19 @@ class ViewScreenshotTestRule( 
            contentView = content.getChildAt(0)

        }



        val bitmap = contentView?.toBitmap() ?: error("contentView is null")

        return contentView?.toBitmap() ?: error("contentView is null")

    }



    /**

     * Compare the content of the view provided by [viewProvider] with the golden image identified

     * by [goldenIdentifier] in the context of [emulationSpec].

     */

    fun screenshotTest(

        goldenIdentifier: String,

        mode: Mode = Mode.WrapContent,

        viewProvider: (ComponentActivity) -> View,

    ) {

        val bitmap = takeScreenshot(mode, viewProvider)

        screenshotRule.assertBitmapAgainstGolden(

            bitmap,

            goldenIdentifier,