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TestUtils.kt
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TestUtils.kt
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/*
* Copyright 2021 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.google.accompanist.permissions
import android.app.Instrumentation
import android.os.Build
import androidx.activity.ComponentActivity
import androidx.compose.ui.test.junit4.AndroidComposeTestRule
import androidx.lifecycle.Lifecycle
import androidx.test.ext.junit.rules.ActivityScenarioRule
import androidx.test.platform.app.InstrumentationRegistry
import androidx.test.uiautomator.UiDevice
import androidx.test.uiautomator.UiObject
import androidx.test.uiautomator.UiSelector
internal fun <T : ComponentActivity> simulateAppComingFromTheBackground(
composeTestRule: AndroidComposeTestRule<ActivityScenarioRule<T>, T>
) {
// Make Activity go through ON_START, and ON_RESUME
composeTestRule.activityRule.scenario.moveToState(Lifecycle.State.STARTED)
composeTestRule.activityRule.scenario.moveToState(Lifecycle.State.RESUMED)
}
internal fun grantPermissionProgrammatically(
permission: String,
instrumentation: Instrumentation = InstrumentationRegistry.getInstrumentation()
) {
if (Build.VERSION.SDK_INT < 28) {
val fileDescriptor = instrumentation.uiAutomation.executeShellCommand(
"pm grant ${instrumentation.targetContext.packageName} $permission"
)
fileDescriptor.checkError()
fileDescriptor.close()
} else {
instrumentation.uiAutomation.grantRuntimePermission(
instrumentation.targetContext.packageName, permission
)
}
}
internal fun grantPermissionInDialog(
instrumentation: Instrumentation = InstrumentationRegistry.getInstrumentation()
) {
val uiDevice = UiDevice.getInstance(instrumentation)
val sdkVersion = Build.VERSION.SDK_INT
val clicked = uiDevice.findPermissionButton(
when (sdkVersion) {
in 24..28 -> "ALLOW"
else -> "Allow"
}
).clickForPermission(instrumentation)
// Or maybe this permission doesn't have the Allow option
if (!clicked && sdkVersion > 28) {
uiDevice.findPermissionButton(
when (sdkVersion) {
29 -> "Allow only while using the app"
else -> "While using the app"
}
).clickForPermission(instrumentation)
}
}
internal fun denyPermissionInDialog(
instrumentation: Instrumentation = InstrumentationRegistry.getInstrumentation()
) {
val text = when (Build.VERSION.SDK_INT) {
in 24..28 -> "DENY"
in 29..30 -> "Deny"
else -> "Don’t allow"
}
val permissionButton = UiDevice.getInstance(instrumentation).findPermissionButton(text)
permissionButton.clickForPermission(instrumentation)
}
internal fun doNotAskAgainPermissionInDialog(
instrumentation: Instrumentation = InstrumentationRegistry.getInstrumentation()
) {
val uiDevice = UiDevice.getInstance(instrumentation)
when {
Build.VERSION.SDK_INT >= 30 -> {
denyPermissionInDialog(instrumentation)
}
Build.VERSION.SDK_INT > 28 -> {
uiDevice
.findPermissionButton("Deny & don’t ask again")
.clickForPermission(instrumentation)
}
Build.VERSION.SDK_INT == 23 -> {
uiDevice.findObject(
UiSelector().text("Never ask again")
).clickForPermission(instrumentation)
denyPermissionInDialog(instrumentation)
}
else -> {
uiDevice.findObject(
UiSelector().text("Don't ask again")
).clickForPermission(instrumentation)
denyPermissionInDialog(instrumentation)
}
}
}
private fun UiDevice.findPermissionButton(text: String): UiObject =
findObject(
UiSelector()
.textMatches(text)
.clickable(true)
.className("android.widget.Button")
)
private fun UiObject.clickForPermission(
instrumentation: Instrumentation = InstrumentationRegistry.getInstrumentation()
): Boolean {
waitUntil { exists() }
if (!exists()) return false
val clicked = waitUntil { exists() && click() }
// Make sure that the tests waits for this click to be processed
if (clicked) { instrumentation.waitForIdleSync() }
return clicked
}
private fun waitUntil(timeoutMillis: Long = 2_000, condition: () -> Boolean): Boolean {
val startTime = System.nanoTime()
while (true) {
if (condition()) return true
// Let Android run measure, draw and in general any other async operations.
Thread.sleep(10)
if (System.nanoTime() - startTime > timeoutMillis * 1_000_000) {
return false
}
}
}