ComposeA11yScanner/scanner-ui/src/androidTest/java/com/composea11yscanner/ui/A11yNodeExtractorTest.kt at d5f00416b98695df7ad705cfbcfd90cea07cf20b · mohdaquib/ComposeA11yScanner · GitHub

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package com.composea11yscanner.ui

import androidx.compose.foundation.clickable
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.size
import androidx.compose.material3.Text
import androidx.compose.ui.Modifier
import androidx.compose.ui.test.junit4.createComposeRule
import androidx.compose.ui.test.onRoot
import androidx.compose.ui.unit.dp
import org.junit.Assert.assertEquals
import org.junit.Assert.assertTrue
import org.junit.Rule
import org.junit.Test

class A11yNodeExtractorTest {

    @get:Rule
    val composeRule = createComposeRule()

    @Test
    fun clickableContainerWithDescendantText_resolvesAsClickableText() {
        composeRule.setContent {
            Box(modifier = Modifier.clickable { }) {
                Text("Go")
            }
        }

        composeRule.waitForIdle()

        val nodes = A11yNodeExtractor()
            .extract(composeRule.onRoot(useUnmergedTree = true).fetchSemanticsNode())
        val clickableNode = nodes.single { it.isTouchTarget && it.contentDescription == "Go" }

        assertEquals("ClickableText", clickableNode.composableName)
    }

    @Test
    fun unlabeledClickable_resolvesAsClickable() {
        composeRule.setContent {
            Box(modifier = Modifier.clickable { })
        }

        composeRule.waitForIdle()

        val nodes = A11yNodeExtractor()
            .extract(composeRule.onRoot(useUnmergedTree = true).fetchSemanticsNode())
        val clickableNode = nodes.single { it.isTouchTarget }

        assertEquals("Clickable", clickableNode.composableName)
        assertTrue(clickableNode.contentDescription.isNullOrBlank())
    }

    @Test
    fun compactClickable_extractsExpandedEffectiveTouchBounds() {
        composeRule.setContent {
            Box(
                modifier = Modifier
                    .size(width = 40.dp, height = 48.dp)
                    .clickable { },
            )
        }

        composeRule.waitForIdle()

        val nodes = A11yNodeExtractor()
            .extract(composeRule.onRoot(useUnmergedTree = true).fetchSemanticsNode())
        val clickableNode = nodes.single { it.isTouchTarget }

        val effectiveBounds = clickableNode.effectiveTouchBounds!!
        assertTrue(effectiveBounds.width >= clickableNode.bounds.width)
        assertTrue(effectiveBounds.height >= clickableNode.bounds.height)
    }
}