Test

Author: EmmanuelMess

app/src/androidTest/java/com/amaze/filemanager/ui/fragments/TabFragmentTest.kt

@@ -1,23 +1,37 @@
 package com.amaze.filemanager.ui.fragments
 
 import android.content.pm.ActivityInfo
+import android.graphics.Rect
 import android.os.Build.VERSION.SDK_INT
 import android.os.Build.VERSION_CODES.TIRAMISU
+import android.util.Log
+import android.view.View
+import android.view.View.VISIBLE
 import androidx.test.espresso.Espresso.onView
+import androidx.test.espresso.UiController
+import androidx.test.espresso.ViewAction
 import androidx.test.espresso.action.ViewActions.swipeLeft
 import androidx.test.espresso.action.ViewActions.swipeRight
+import androidx.test.espresso.assertion.ViewAssertions.matches
+import androidx.test.espresso.matcher.ViewMatchers
+import androidx.test.espresso.matcher.ViewMatchers.isDisplayed
+import androidx.test.espresso.matcher.ViewMatchers.withEffectiveVisibility
 import androidx.test.espresso.matcher.ViewMatchers.withId
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.platform.app.InstrumentationRegistry
 import androidx.test.rule.ActivityTestRule
 import androidx.test.rule.GrantPermissionRule
+import androidx.test.uiautomator.UiDevice
 import com.amaze.filemanager.R
 import com.amaze.filemanager.test.StoragePermissionHelper
 import com.amaze.filemanager.ui.activities.MainActivity
+import org.hamcrest.Matcher
+import org.junit.Assert
 import org.junit.Before
 import org.junit.Rule
 import org.junit.Test
 import org.junit.runner.RunWith
+import java.util.Optional
 
 /**
  * Tests for [TabFragment] functionality, mainly for
@@ -81,7 +95,7 @@ class TabFragmentTest {
     @Test
     fun testFragmentStateSavingDuringConfigChange() {
         // First perform the swipe action
-        onView(withId(R.id.pager)).perform(swipeLeft())
+        swipeLeftCompat(withId(R.id.pager))
 
         // Force a configuration change by rotating the screen
         activityRule.activity.requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE
@@ -96,9 +110,9 @@ class TabFragmentTest {
     fun testRapidTabSwitchingAndStateSaving() {
         // Perform rapid tab switches
         repeat(10) {
-            onView(withId(R.id.pager)).perform(swipeLeft())
+            swipeLeftCompat(withId(R.id.pager))
             Thread.sleep(100) // Small delay to ensure swipe completes
-            onView(withId(R.id.pager)).perform(swipeRight())
+            swipeRightCompat(withId(R.id.pager))
             Thread.sleep(100) // Small delay to ensure swipe completes
         }
 
@@ -112,7 +126,7 @@ class TabFragmentTest {
     @Test
     fun testFragmentDetachmentAndStateSaving() {
         // First switch to a different tab
-        onView(withId(R.id.pager)).perform(swipeLeft())
+        swipeLeftCompat(withId(R.id.pager))
 
         // Get the TabFragment
         InstrumentationRegistry.getInstrumentation().runOnMainSync {
@@ -131,4 +145,52 @@ class TabFragmentTest {
         // Force state save through configuration change
         activityRule.activity.requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE
     }
+
+    private fun swipeHack(interpolatorX: Float, interpolatorY: Float,
+                          viewMatcher: Matcher<View>) {
+        // HACK https://stackoverflow.com/a/74361805/3124150
+
+        onView(viewMatcher).perform(object : ViewAction {
+            override fun getConstraints(): Matcher<View> = isDisplayed()
+
+            override fun getDescription(): String = "Swipe without checking rect availability"
+
+            override fun perform(
+                uiController: UiController,
+                view: View
+            ) {
+                val device = UiDevice.getInstance(InstrumentationRegistry.getInstrumentation())
+                val visibleRect = Rect()
+                view.getGlobalVisibleRect(visibleRect)
+
+                val endX = visibleRect.left + (visibleRect.right * interpolatorX).toInt()
+                val endY = visibleRect.top + (visibleRect.bottom * interpolatorY).toInt()
+
+                // Swipe up from the center, at 5ms per step
+                device.swipe(
+                    visibleRect.centerX(),  visibleRect.centerY(),
+                    endX, endY, 10
+                )
+            }
+
+        })
+    }
+
+    private fun swipeLeftCompat(viewMatcher: Matcher<View>) {
+        val device = UiDevice.getInstance(InstrumentationRegistry.getInstrumentation())
+        if (device.displayHeight <= 1280) {
+            swipeHack(0.95f, 0.5f, viewMatcher)
+        } else {
+            onView(viewMatcher).perform(swipeLeft())
+        }
+    }
+
+    private fun swipeRightCompat(viewMatcher: Matcher<View>) {
+        val device = UiDevice.getInstance(InstrumentationRegistry.getInstrumentation())
+        if (device.displayHeight <= 1280) {
+            swipeHack(0.05f, 0.5f, viewMatcher)
+        } else {
+            onView(viewMatcher).perform(swipeRight())
+        }
+    }
 }