/*

* Copyright 2023 The Android Open Source Project

*

* Licensed under the Apache License, Version 2.0 (the "License");

* you may not use this file except in compliance with the License.

* You may obtain a copy of the License at

*

* https://www.apache.org/licenses/LICENSE-2.0

*

* Unless required by applicable law or agreed to in writing, software

* distributed under the License is distributed on an "AS IS" BASIS,

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

* See the License for the specific language governing permissions and

* limitations under the License.

*/

package com.example.compose.snippets.accessibility

import androidx.activity.ComponentActivity

import androidx.compose.foundation.background

import androidx.compose.foundation.clickable

import androidx.compose.foundation.layout.Box

import androidx.compose.foundation.layout.fillMaxSize

import androidx.compose.foundation.layout.size

import androidx.compose.material3.Text

import androidx.compose.ui.Alignment

import androidx.compose.ui.Modifier

import androidx.compose.ui.graphics.Color

import androidx.compose.ui.semantics.SemanticsActions

import androidx.compose.ui.semantics.contentDescription

import androidx.compose.ui.semantics.getOrNull

import androidx.compose.ui.semantics.semantics

import androidx.compose.ui.test.SemanticsMatcher

import androidx.compose.ui.test.assert

import androidx.compose.ui.test.junit4.accessibility.enableAccessibilityChecks

import androidx.compose.ui.test.junit4.v2.createAndroidComposeRule

import androidx.compose.ui.test.onRoot

import androidx.compose.ui.test.tryPerformAccessibilityChecks

import androidx.compose.ui.unit.dp

import com.google.android.apps.common.testing.accessibility.framework.AccessibilityCheckResult

import com.google.android.apps.common.testing.accessibility.framework.integrations.espresso.AccessibilityValidator

import org.junit.Ignore

import org.junit.Rule

import org.junit.Test

class AccessibilityTest {

// [START android_compose_accessibility_testing_label]

@Rule

@JvmField

val composeTestRule = createAndroidComposeRule<ComponentActivity>()

@Test

fun noAccessibilityLabel() {

composeTestRule.setContent {

Box(

modifier = Modifier

.size(50.dp, 50.dp)

.background(color = Color.Gray)

.clickable { }

.semantics {

contentDescription = ""

}

)

}

composeTestRule.enableAccessibilityChecks()

// Any action (such as performClick) will perform accessibility checks too:

composeTestRule.onRoot().tryPerformAccessibilityChecks()

}

// [END android_compose_accessibility_testing_label]

// [START android_compose_accessibility_testing_click]

@Test

fun smallClickTarget() {

composeTestRule.setContent {

Box(

modifier = Modifier

.size(20.dp, 20.dp)

.background(color = Color(0xFFFAFBFC))

.clickable { }

)

}

composeTestRule.enableAccessibilityChecks()

// Any action (such as performClick) will perform accessibility checks too:

composeTestRule.onRoot().tryPerformAccessibilityChecks()

}

// [END android_compose_accessibility_testing_click]

// [START android_compose_accessibility_testing_validator]

@Test

fun lowContrastScreen() {

composeTestRule.setContent {

Box(

modifier = Modifier

.fillMaxSize()

.background(color = Color(0xFFFAFBFC)),

contentAlignment = Alignment.Center

) {

Text(text = "Hello", color = Color(0xFFB0B1B2))

}

}

// Optionally, set AccessibilityValidator manually

val accessibilityValidator = AccessibilityValidator()

.setThrowExceptionFor(

AccessibilityCheckResult.AccessibilityCheckResultType.WARNING

)

composeTestRule.enableAccessibilityChecks(accessibilityValidator)

composeTestRule.onRoot().tryPerformAccessibilityChecks()

}

// [END android_compose_accessibility_testing_validator]

private val nodeMatcher = SemanticsMatcher(description = "Placeholder") { it.isRoot }

@Ignore("Placeholder test")

// [START android_compose_accessibility_testing]

@Test

fun test() {

composeTestRule

.onNode(nodeMatcher)

.assert(

SemanticsMatcher("onClickLabel is set correctly") {

it.config.getOrNull(SemanticsActions.OnClick)?.label == "My Click Label"

}

)

}

// [END android_compose_accessibility_testing]

}