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test: screenshot plain native view on UI thread in IsolatedTest #101

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test: screenshot plain native view on UI thread in IsolatedTest #101

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25 changes: 13 additions & 12 deletions android/app/src/androidTest/java/com/testapp/IsolatedTest.kt
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Original file line number Diff line number Diff line change
@@ -1,26 +1,27 @@
package com.rnstorybookautoscreenshots

import android.graphics.Color
import android.widget.TextView
import androidx.test.annotation.UiThreadTest
import androidx.test.ext.junit.runners.AndroidJUnit4
import androidx.test.platform.app.InstrumentationRegistry
import com.testapp.MainApplication
import junit.framework.TestCase.assertNotNull
import junit.framework.TestCase.assertTrue
import com.facebook.testing.screenshot.Screenshot
import com.facebook.testing.screenshot.ViewHelpers
import org.junit.Test
import org.junit.runner.RunWith

@RunWith(AndroidJUnit4::class)
class IsolatedTest {
@Test
fun simpleTest() {
assertTrue(true)
}

@UiThreadTest
@Test
fun constructViewTest() {
fun screenshotNativeView() {
val context = InstrumentationRegistry.getInstrumentation().targetContext
val app = context.applicationContext as MainApplication
val surface = app.reactHost.createSurface(context, "SimpleTestComponent", null)
surface.start()
assertNotNull(surface.view)
val view = TextView(context).apply {
text = "Hello Screenshot"
setBackgroundColor(Color.WHITE)
}
ViewHelpers.setupView(view).setExactWidthPx(400).setExactHeightPx(100).layout()
Screenshot.snap(view).setName("native_view").record()
}
}
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