Refactored the NoteFragmentTest to test with compose UI.

* Added testing tags to our compose UI components which help us to test the compose UI.

app/src/androidTest/java/org/kiwix/kiwixmobile/note/NoteFragmentTest.kt

@@ -19,6 +19,7 @@
 package org.kiwix.kiwixmobile.note
 
 import android.os.Build
+import androidx.compose.ui.test.junit4.createComposeRule
 import androidx.core.content.edit
 import androidx.core.net.toUri
 import androidx.lifecycle.Lifecycle
@@ -33,6 +34,7 @@ import androidx.test.uiautomator.UiDevice
 import com.google.android.apps.common.testing.accessibility.framework.AccessibilityCheckResultUtils.matchesCheck
 import com.google.android.apps.common.testing.accessibility.framework.AccessibilityCheckResultUtils.matchesViews
 import com.google.android.apps.common.testing.accessibility.framework.checks.DuplicateClickableBoundsCheck
+import com.google.android.apps.common.testing.accessibility.framework.checks.SpeakableTextPresentCheck
 import com.google.android.apps.common.testing.accessibility.framework.checks.TouchTargetSizeCheck
 import leakcanary.LeakAssertions
 import org.hamcrest.Matchers.allOf
@@ -64,6 +66,9 @@ class NoteFragmentTest : BaseActivityTest() {
 
   private lateinit var kiwixMainActivity: KiwixMainActivity
 
+  @get:Rule
+  val composeTestRule = createComposeRule()
+
   @Before
   override fun waitForIdle() {
     UiDevice.getInstance(InstrumentationRegistry.getInstrumentation()).apply {
@@ -107,7 +112,8 @@ class NoteFragmentTest : BaseActivityTest() {
           allOf(
             matchesCheck(TouchTargetSizeCheck::class.java),
             matchesViews(withContentDescription("More options"))
-          )
+          ),
+          matchesCheck(SpeakableTextPresentCheck::class.java)
         )
       )
     }
@@ -133,16 +139,16 @@ class NoteFragmentTest : BaseActivityTest() {
     StandardActions.closeDrawer() // close the drawer if open before running the test cases.
     note {
       clickOnNoteMenuItem(context)
-      assertNoteDialogDisplayed()
-      writeDemoNote()
-      saveNote()
+      assertNoteDialogDisplayed(composeTestRule)
+      writeDemoNote(composeTestRule)
+      saveNote(composeTestRule)
       pressBack()
       openNoteFragment()
       assertToolbarExist()
       assertNoteRecyclerViewExist()
       clickOnSavedNote()
       clickOnOpenNote()
-      assertNoteSaved()
+      assertNoteSaved(composeTestRule)
       // to close the note dialog.
       pressBack()
       // to close the notes fragment.
@@ -166,7 +172,7 @@ class NoteFragmentTest : BaseActivityTest() {
       assertNoteRecyclerViewExist()
       clickOnSavedNote()
       clickOnOpenNote()
-      assertNoteSaved()
+      assertNoteSaved(composeTestRule)
       pressBack()
     }
     if (Build.VERSION.SDK_INT > Build.VERSION_CODES.N_MR1) {
@@ -182,16 +188,16 @@ class NoteFragmentTest : BaseActivityTest() {
     note {
       assertHomePageIsLoadedOfTestZimFile()
       clickOnNoteMenuItem(context)
-      assertNoteDialogDisplayed()
-      writeDemoNote()
-      saveNote()
+      assertNoteDialogDisplayed(composeTestRule)
+      writeDemoNote(composeTestRule)
+      saveNote(composeTestRule)
       pressBack()
       openNoteFragment()
       assertToolbarExist()
       assertNoteRecyclerViewExist()
       clickOnSavedNote()
       clickOnOpenNote()
-      assertNoteSaved()
+      assertNoteSaved(composeTestRule)
       // to close the note dialog.
       pressBack()
       // to close the notes fragment.
@@ -205,16 +211,16 @@ class NoteFragmentTest : BaseActivityTest() {
     loadZimFileInReader("testzim.zim")
     note {
       clickOnNoteMenuItem(context)
-      assertNoteDialogDisplayed()
-      writeDemoNote()
-      saveNote()
+      assertNoteDialogDisplayed(composeTestRule)
+      writeDemoNote(composeTestRule)
+      saveNote(composeTestRule)
       pressBack()
       openNoteFragment()
       assertToolbarExist()
       assertNoteRecyclerViewExist()
       clickOnSavedNote()
       clickOnOpenNote()
-      assertNoteSaved()
+      assertNoteSaved(composeTestRule)
       clickOnDeleteIcon()
       pressBack()
       assertNoNotesTextDisplayed()
@@ -228,9 +234,9 @@ class NoteFragmentTest : BaseActivityTest() {
     // Save a note.
     note {
       clickOnNoteMenuItem(context)
-      assertNoteDialogDisplayed()
-      writeDemoNote()
-      saveNote()
+      assertNoteDialogDisplayed(composeTestRule)
+      writeDemoNote(composeTestRule)
+      saveNote(composeTestRule)
       pressBack()
     }
     // Delete that note from "Note" screen.
@@ -238,7 +244,7 @@ class NoteFragmentTest : BaseActivityTest() {
     // Test the note file is deleted or not.
     note {
       clickOnNoteMenuItem(context)
-      assertNoteDialogDisplayed()
+      assertNoteDialogDisplayed(composeTestRule)
       assertNotDoesNotExist()
       pressBack()
     }

app/src/androidTest/java/org/kiwix/kiwixmobile/note/NoteRobot.kt

@@ -19,13 +19,16 @@
 package org.kiwix.kiwixmobile.note
 
 import android.content.Context
+import androidx.compose.ui.test.assertTextEquals
+import androidx.compose.ui.test.junit4.ComposeContentTestRule
+import androidx.compose.ui.test.onNodeWithTag
+import androidx.compose.ui.test.performClick
+import androidx.compose.ui.test.performTextInput
 import androidx.recyclerview.widget.RecyclerView
 import androidx.test.espresso.Espresso.closeSoftKeyboard
 import androidx.test.espresso.Espresso.onView
 import androidx.test.espresso.Espresso.openActionBarOverflowOrOptionsMenu
-import androidx.test.espresso.action.ViewActions.clearText
 import androidx.test.espresso.action.ViewActions.click
-import androidx.test.espresso.action.ViewActions.typeText
 import androidx.test.espresso.assertion.ViewAssertions.doesNotExist
 import androidx.test.espresso.contrib.RecyclerViewActions.actionOnItemAtPosition
 import androidx.test.espresso.matcher.ViewMatchers
@@ -41,6 +44,9 @@ import org.kiwix.kiwixmobile.Findable.StringId.TextId
 import org.kiwix.kiwixmobile.Findable.Text
 import org.kiwix.kiwixmobile.Findable.ViewId
 import org.kiwix.kiwixmobile.core.R
+import org.kiwix.kiwixmobile.core.main.ADD_NOTE_TEXT_FILED_TESTING_TAG
+import org.kiwix.kiwixmobile.core.main.SAVE_MENU_BUTTON_TESTING_TAG
+import org.kiwix.kiwixmobile.core.ui.components.TOOLBAR_TITLE_TESTING_TAG
 import org.kiwix.kiwixmobile.testutils.TestUtils
 import org.kiwix.kiwixmobile.testutils.TestUtils.testFlakyView
 import org.kiwix.kiwixmobile.utils.StandardActions.openDrawer
@@ -49,7 +55,6 @@ fun note(func: NoteRobot.() -> Unit) = NoteRobot().apply(func)
 
 class NoteRobot : BaseRobot() {
   private val noteText = "Test Note"
-  private val editTextId = R.id.add_note_edit_text
 
   fun assertToolbarExist() {
     isVisible(ViewId(R.id.toolbar))
@@ -71,19 +76,34 @@ class NoteRobot : BaseRobot() {
     clickOn(TextId(R.string.take_notes))
   }
 
-  fun assertNoteDialogDisplayed() {
+  fun assertNoteDialogDisplayed(composeTestRule: ComposeContentTestRule) {
     pauseForBetterTestPerformance()
-    isVisible(TextId(R.string.note))
+    testFlakyView({
+      composeTestRule.onNodeWithTag(TOOLBAR_TITLE_TESTING_TAG)
+        .assertTextEquals(context.getString(R.string.note))
+    })
   }
 
-  fun writeDemoNote() {
-    onView(withId(editTextId)).perform(clearText(), typeText(noteText))
-    closeSoftKeyboard()
+  fun writeDemoNote(composeTestRule: ComposeContentTestRule) {
+    pauseForBetterTestPerformance()
+    testFlakyView({
+      // Click on the TextField to focus it
+      composeTestRule.onNodeWithTag(ADD_NOTE_TEXT_FILED_TESTING_TAG)
+        .assertExists("TextField not found in dialog")
+        .performClick()
+        .performTextInput(noteText)
+
+      // Close the keyboard after typing
+      closeSoftKeyboard()
+    })
   }
 
-  fun saveNote() {
+  fun saveNote(composeTestRule: ComposeContentTestRule) {
     pauseForBetterTestPerformance()
-    clickOn(ViewId(R.id.save_note))
+    testFlakyView({
+      composeTestRule.onNodeWithTag(SAVE_MENU_BUTTON_TESTING_TAG)
+        .performClick()
+    })
   }
 
   fun openNoteFragment() {
@@ -106,10 +126,13 @@ class NoteRobot : BaseRobot() {
     testFlakyView({ clickOn(Text("OPEN NOTE")) })
   }
 
-  fun assertNoteSaved() {
+  fun assertNoteSaved(composeTestRule: ComposeContentTestRule) {
     // This is flaky since it is shown in a dialog and sometimes
     // UIDevice does not found the view immediately due to rendering process.
-    testFlakyView({ isVisible(Text(noteText)) })
+    testFlakyView({
+      composeTestRule.onNodeWithTag(ADD_NOTE_TEXT_FILED_TESTING_TAG)
+        .assertTextEquals(noteText)
+    })
   }
 
   fun assertNotDoesNotExist() {

core/src/main/java/org/kiwix/kiwixmobile/core/extensions/SnackbarHostStateExtension.kt

@@ -18,41 +18,11 @@
 
 package org.kiwix.kiwixmobile.core.extensions
 
-import androidx.compose.foundation.isSystemInDarkTheme
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Snackbar
 import androidx.compose.material3.SnackbarDuration
-import androidx.compose.material3.SnackbarHost
 import androidx.compose.material3.SnackbarHostState
 import androidx.compose.material3.SnackbarResult
-import androidx.compose.runtime.Composable
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.launch
-import org.kiwix.kiwixmobile.core.ui.theme.DenimBlue400
-
-/**
- * A custom SnackbarHost for displaying snackbars with theme-aware action button colors.
- *
- * This function ensures that the action button color follows the app's theme:
- * - In **light mode**, the action button color is `DenimBlue400`.
- * - In **dark mode**, the action button color is `surface`, similar to the XML-based styling.
- *
- * @param snackbarHostState The state that controls the Snackbar display.
- */
-@Composable
-fun KiwixSnackbarHost(snackbarHostState: SnackbarHostState) {
-  val actionColor = if (isSystemInDarkTheme()) {
-    MaterialTheme.colorScheme.surface
-  } else {
-    DenimBlue400
-  }
-  SnackbarHost(hostState = snackbarHostState) { snackbarData ->
-    Snackbar(
-      snackbarData = snackbarData,
-      actionColor = actionColor
-    )
-  }
-}
 
 fun SnackbarHostState.snack(
   message: String,

core/src/main/java/org/kiwix/kiwixmobile/core/main/AddNoteDialog.kt

@@ -209,19 +209,22 @@ class AddNoteDialog : DialogFragment() {
       Vector(Icons.Default.Delete),
       R.string.delete,
       { deleteNote() },
-      isEnabled = false
+      isEnabled = false,
+      testingTag = DELETE_MENU_BUTTON_TESTING_TAG
     ),
     ActionMenuItem(
       Vector(Icons.Default.Share),
       R.string.share,
       { shareNote() },
-      isEnabled = false
+      isEnabled = false,
+      testingTag = SHARE_MENU_BUTTON_TESTING_TAG
     ),
     ActionMenuItem(
       Drawable(R.drawable.ic_save),
       R.string.save,
       { saveNote() },
-      isEnabled = false
+      isEnabled = false,
+      testingTag = SAVE_MENU_BUTTON_TESTING_TAG
     )
   )
 

core/src/main/java/org/kiwix/kiwixmobile/core/main/AddNoteDialogScreen.kt

@@ -18,7 +18,6 @@
 
 package org.kiwix.kiwixmobile.core.main
 
-import android.content.res.Configuration
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxWidth
@@ -26,9 +25,6 @@ import androidx.compose.foundation.layout.heightIn
 import androidx.compose.foundation.layout.imePadding
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.text.KeyboardOptions
-import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.filled.Delete
-import androidx.compose.material.icons.filled.Share
 import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
@@ -46,19 +42,15 @@ import androidx.compose.ui.focus.focusRequester
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.RectangleShape
 import androidx.compose.ui.platform.LocalFocusManager
+import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.input.KeyboardCapitalization
 import androidx.compose.ui.text.input.KeyboardType
 import androidx.compose.ui.text.input.TextFieldValue
-import androidx.compose.ui.tooling.preview.Preview
 import org.kiwix.kiwixmobile.core.R
-import org.kiwix.kiwixmobile.core.extensions.KiwixSnackbarHost
 import org.kiwix.kiwixmobile.core.ui.components.KiwixAppBar
-import org.kiwix.kiwixmobile.core.ui.components.NavigationIcon
+import org.kiwix.kiwixmobile.core.ui.components.KiwixSnackbarHost
 import org.kiwix.kiwixmobile.core.ui.models.ActionMenuItem
-import org.kiwix.kiwixmobile.core.ui.models.IconItem
-import org.kiwix.kiwixmobile.core.ui.models.IconItem.Drawable
-import org.kiwix.kiwixmobile.core.ui.models.IconItem.Vector
 import org.kiwix.kiwixmobile.core.ui.theme.KiwixTheme
 import org.kiwix.kiwixmobile.core.utils.ComposeDimens.FIVE_DP
 import org.kiwix.kiwixmobile.core.utils.ComposeDimens.FOUR_DP
@@ -66,6 +58,11 @@ import org.kiwix.kiwixmobile.core.utils.ComposeDimens.MINIMUM_HEIGHT_OF_NOTE_TEX
 import org.kiwix.kiwixmobile.core.utils.ComposeDimens.TEN_DP
 import org.kiwix.kiwixmobile.core.utils.ComposeDimens.TWENTY_DP
 
+const val ADD_NOTE_TEXT_FILED_TESTING_TAG = "addNoteTextFiledTestingTag"
+const val SAVE_MENU_BUTTON_TESTING_TAG = "saveMenuButtonTestingTag"
+const val SHARE_MENU_BUTTON_TESTING_TAG = "shareMenuButtonTestingTag"
+const val DELETE_MENU_BUTTON_TESTING_TAG = "deleteMenuButtonTestingTag"
+
 @Suppress("ComposableLambdaParameterNaming")
 @Composable
 fun AddNoteDialogScreen(
@@ -138,7 +135,8 @@ private fun NoteTextField(
       .heightIn(min = MINIMUM_HEIGHT_OF_NOTE_TEXT_FILED)
       .padding(bottom = TEN_DP)
       .padding(horizontal = FOUR_DP)
-      .focusRequester(focusRequester),
+      .focusRequester(focusRequester)
+      .testTag(ADD_NOTE_TEXT_FILED_TESTING_TAG),
     placeholder = { Text(text = stringResource(R.string.note)) },
     singleLine = false,
     shape = RectangleShape,
@@ -158,42 +156,3 @@ private fun NoteTextField(
     )
   )
 }
-
-@Preview
-@Preview(name = "Night mode", uiMode = Configuration.UI_MODE_NIGHT_YES)
-@Composable
-fun PreviewAddNoteDialog() {
-  AddNoteDialogScreen(
-    "Demo note",
-    navigationIcon = {
-      NavigationIcon(
-        iconItem = IconItem.Drawable(R.drawable.ic_close_white_24dp),
-        onClick = {}
-      )
-    },
-    noteText = TextFieldValue(""),
-    actionMenuItems = listOf(
-      ActionMenuItem(
-        Vector(Icons.Default.Delete),
-        R.string.delete,
-        { },
-        isEnabled = false
-      ),
-      ActionMenuItem(
-        Vector(Icons.Default.Share),
-        R.string.share,
-        { },
-        isEnabled = false
-      ),
-      ActionMenuItem(
-        Drawable(R.drawable.ic_save),
-        R.string.save,
-        { },
-        isEnabled = false
-      )
-    ),
-    onTextChange = { text -> },
-    isNoteFileExist = true,
-    snackBarHostState = SnackbarHostState()
-  )
-}

core/src/main/java/org/kiwix/kiwixmobile/core/ui/components/KiwixAppBar.kt

@@ -34,6 +34,7 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.vector.rememberVectorPainter
+import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontWeight.Companion.SemiBold
@@ -44,6 +45,8 @@ import org.kiwix.kiwixmobile.core.ui.theme.White
 import org.kiwix.kiwixmobile.core.utils.ComposeDimens.KIWIX_APP_BAR_HEIGHT
 import org.kiwix.kiwixmobile.core.utils.ComposeDimens.SIXTEEN_DP
 
+const val TOOLBAR_TITLE_TESTING_TAG = "toolbarTitle"
+
 @Composable
 fun KiwixAppBar(
   @StringRes titleId: Int,
@@ -80,7 +83,7 @@ private fun AppBarTitle(
     text = stringResource(titleId),
     color = White,
     style = MaterialTheme.typography.titleLarge.copy(fontWeight = SemiBold),
-    modifier = Modifier.padding(horizontal = SIXTEEN_DP)
+    modifier = Modifier.padding(horizontal = SIXTEEN_DP).testTag(TOOLBAR_TITLE_TESTING_TAG)
   )
 }
 
@@ -90,7 +93,8 @@ private fun ActionMenu(actionMenuItems: List<ActionMenuItem>) {
     actionMenuItems.forEach { menuItem ->
       IconButton(
         enabled = menuItem.isEnabled,
-        onClick = menuItem.onClick
+        onClick = menuItem.onClick,
+        modifier = Modifier.testTag(menuItem.testingTag)
       ) {
         Icon(
           painter = when (val icon = menuItem.icon) {

core/src/main/java/org/kiwix/kiwixmobile/core/ui/components/KiwixSnackbarHost.kt

@@ -0,0 +1,51 @@
+/*
+ * Kiwix Android
+ * Copyright (c) 2025 Kiwix <android.kiwix.org>
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+package org.kiwix.kiwixmobile.core.ui.components
+
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Snackbar
+import androidx.compose.material3.SnackbarHost
+import androidx.compose.material3.SnackbarHostState
+import androidx.compose.runtime.Composable
+import org.kiwix.kiwixmobile.core.ui.theme.DenimBlue400
+
+/**
+ * A custom SnackbarHost for displaying snackbars with theme-aware action button colors.
+ *
+ * This function ensures that the action button color follows the app's theme:
+ * - In **light mode**, the action button color is `DenimBlue400`.
+ * - In **dark mode**, the action button color is `surface`, similar to the XML-based styling.
+ *
+ * @param snackbarHostState The state that controls the Snackbar display.
+ */
+@Composable
+fun KiwixSnackbarHost(snackbarHostState: SnackbarHostState) {
+  val actionColor = if (isSystemInDarkTheme()) {
+    MaterialTheme.colorScheme.surface
+  } else {
+    DenimBlue400
+  }
+  SnackbarHost(hostState = snackbarHostState) { snackbarData ->
+    Snackbar(
+      snackbarData = snackbarData,
+      actionColor = actionColor
+    )
+  }
+}

core/src/main/java/org/kiwix/kiwixmobile/core/ui/models/ActionMenuItem.kt

@@ -27,5 +27,6 @@ data class ActionMenuItem(
   @StringRes val contentDescription: Int,
   val onClick: () -> Unit,
   val iconTint: Color = White,
-  val isEnabled: Boolean = true
+  val isEnabled: Boolean = true,
+  val testingTag: String
 )