androidTest: Add tests for reusable composable

* Add semantics wherever required to make composable easy to test

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>

app/src/androidTest/java/com/aurora/store/IsolatedTest.kt

@@ -0,0 +1,29 @@
+/*
+ * SPDX-FileCopyrightText: 2025 The Calyx Institute
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package com.aurora.store
+
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.test.junit4.createComposeRule
+import com.aurora.store.compose.theme.AuroraTheme
+import org.junit.Rule
+
+/**
+ * Class that provides helper methods to test isolated composable
+ */
+abstract class IsolatedTest {
+
+    @get:Rule
+    val composeTestRule = createComposeRule()
+
+    /**
+     * Sets given composable as content with default theme
+     */
+    fun setContent(content: @Composable () -> Unit) {
+        composeTestRule.setContent {
+            AuroraTheme(content = content)
+        }
+    }
+}

app/src/androidTest/java/com/aurora/store/compose/composable/ErrorTest.kt

@@ -0,0 +1,34 @@
+/*
+ * SPDX-FileCopyrightText: 2025 The Calyx Institute
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package com.aurora.store.compose.composable
+
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.test.assertHasClickAction
+import androidx.compose.ui.test.assertIsDisplayed
+import androidx.compose.ui.test.assertIsNotEnabled
+import androidx.compose.ui.test.onNodeWithText
+import com.aurora.store.IsolatedTest
+import com.aurora.store.R
+import org.junit.Test
+
+class ErrorTest : IsolatedTest() {
+
+    @Test
+    fun testErrorWithoutActionHandling() {
+        setContent {
+            Error(
+                painter = painterResource(R.drawable.ic_apps_outage),
+                message = "An error occurred!",
+                actionMessage = "Retry"
+            )
+        }
+
+        composeTestRule.onNodeWithText("Retry")
+            .assertIsDisplayed()
+            .assertHasClickAction()
+            .assertIsNotEnabled()
+    }
+}

app/src/androidTest/java/com/aurora/store/compose/composable/InfoTest.kt

@@ -0,0 +1,31 @@
+/*
+ * SPDX-FileCopyrightText: 2025 The Calyx Institute
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package com.aurora.store.compose.composable
+
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.test.assertHasClickAction
+import androidx.compose.ui.test.assertIsDisplayed
+import androidx.compose.ui.test.assertIsNotEnabled
+import androidx.compose.ui.test.onNodeWithText
+import androidx.compose.ui.text.AnnotatedString
+import com.aurora.store.IsolatedTest
+import com.aurora.store.R
+import org.junit.Test
+
+class InfoTest: IsolatedTest() {
+
+    @Test
+    fun testInfoWithoutClickHandling() {
+        setContent {
+            Info(title = AnnotatedString(text = stringResource(R.string.app_name)))
+        }
+
+        composeTestRule.onNodeWithText("Aurora Store")
+            .assertIsDisplayed()
+            .assertHasClickAction()
+            .assertIsNotEnabled()
+    }
+}

app/src/androidTest/java/com/aurora/store/compose/composable/PermissionListItemTest.kt

@@ -0,0 +1,51 @@
+/*
+ * SPDX-FileCopyrightText: 2025 The Calyx Institute
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package com.aurora.store.compose.composable
+
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.test.assertIsDisplayed
+import androidx.compose.ui.test.assertIsEnabled
+import androidx.compose.ui.test.assertIsNotEnabled
+import androidx.compose.ui.test.onNodeWithText
+import com.aurora.store.IsolatedTest
+import com.aurora.store.R
+import com.aurora.store.data.model.Permission
+import com.aurora.store.data.model.PermissionType
+import org.junit.Test
+
+class PermissionListItemTest : IsolatedTest() {
+
+    private val permission: Permission
+        @Composable
+        get() = Permission(
+            PermissionType.STORAGE_MANAGER,
+            stringResource(R.string.onboarding_permission_esm),
+            stringResource(R.string.onboarding_permission_esa_desc),
+        )
+
+    @Test
+    fun testPermissionNotGranted() {
+        setContent {
+            PermissionListItem(permission = permission.copy(isGranted = false))
+        }
+
+        composeTestRule.onNodeWithText("Grant")
+            .assertIsDisplayed()
+            .assertIsEnabled()
+    }
+
+    @Test
+    fun testPermissionGranted() {
+        setContent {
+            PermissionListItem(permission = permission.copy(isGranted = true))
+        }
+
+        composeTestRule.onNodeWithText("Granted")
+            .assertIsDisplayed()
+            .assertIsNotEnabled()
+    }
+}

app/src/androidTest/java/com/aurora/store/compose/composable/TopAppBarTest.kt

@@ -0,0 +1,28 @@
+/*
+ * SPDX-FileCopyrightText: 2025 The Calyx Institute
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package com.aurora.store.compose.composable
+
+import androidx.compose.ui.test.assertIsDisplayed
+import androidx.compose.ui.test.onNodeWithContentDescription
+import androidx.compose.ui.test.onNodeWithText
+import com.aurora.store.IsolatedTest
+import org.junit.Test
+
+class TopAppBarTest : IsolatedTest() {
+
+    @Test
+    fun testTitleWithNoNavigationAction() {
+        setContent {
+            TopAppBar(title = "About", onNavigateUp = null)
+        }
+
+        composeTestRule.onNodeWithText("About")
+            .assertIsDisplayed()
+
+        composeTestRule.onNodeWithContentDescription("Back")
+            .assertDoesNotExist()
+    }
+}

app/src/androidTest/java/com/aurora/store/compose/composable/app/AnimatedAppIconTest.kt

@@ -0,0 +1,60 @@
+/*
+ * SPDX-FileCopyrightText: 2025 The Calyx Institute
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package com.aurora.store.compose.composable.app
+
+import androidx.compose.ui.semantics.ProgressBarRangeInfo
+import androidx.compose.ui.test.assertIsDisplayed
+import androidx.compose.ui.test.assertIsNotDisplayed
+import androidx.compose.ui.test.assertRangeInfoEquals
+import androidx.compose.ui.test.onNodeWithTag
+import com.aurora.store.IsolatedTest
+import org.junit.Test
+
+class AnimatedAppIconTest: IsolatedTest() {
+
+    @Test
+    fun testAnimatedAppIconNoProgress() {
+        setContent {
+            AnimatedAppIcon(
+                iconUrl = "https://example.com/icon.png",
+                inProgress = false
+            )
+        }
+
+        composeTestRule.onNodeWithTag("progressIndicator")
+            .assertIsNotDisplayed()
+    }
+
+    @Test
+    fun testAnimatedAppIconProgressAt0() {
+        setContent {
+            AnimatedAppIcon(
+                iconUrl = "https://example.com/icon.png",
+                progress = 0F,
+                inProgress = true
+            )
+        }
+
+        composeTestRule.onNodeWithTag("progressIndicator")
+            .assertIsDisplayed()
+            .assertRangeInfoEquals(ProgressBarRangeInfo.Indeterminate)
+    }
+
+    @Test
+    fun testAnimatedAppIconProgressAt50() {
+        setContent {
+            AnimatedAppIcon(
+                iconUrl = "https://example.com/icon.png",
+                progress = 50F,
+                inProgress = true
+            )
+        }
+
+        composeTestRule.onNodeWithTag("progressIndicator")
+            .assertIsDisplayed()
+            .assertRangeInfoEquals(ProgressBarRangeInfo(0.5F, 0.00F..1.00F))
+    }
+}

app/src/main/java/com/aurora/store/compose/composable/ContainedLoadingIndicator.kt

@@ -14,6 +14,9 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.dimensionResource
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.semantics.semantics
+import androidx.compose.ui.semantics.stateDescription
 import androidx.compose.ui.tooling.preview.Preview
 import com.aurora.store.R
 import com.aurora.store.compose.preview.PreviewTemplate
@@ -30,8 +33,11 @@ fun ContainedLoadingIndicator(modifier: Modifier = Modifier) {
             .padding(dimensionResource(R.dimen.padding_small)),
         contentAlignment = Alignment.Center
     ) {
+        val description = stringResource(R.string.loading)
         ContainedLoadingIndicator(
-            modifier = Modifier.requiredSize(dimensionResource(R.dimen.icon_size_small))
+            modifier = Modifier
+                .requiredSize(dimensionResource(R.dimen.icon_size_small))
+                .semantics { stateDescription = description }
         )
     }
 }

app/src/main/java/com/aurora/store/compose/composable/Error.kt

@@ -41,7 +41,7 @@ fun Error(
     painter: Painter,
     message: String,
     actionMessage: String? = null,
-    onAction: () -> Unit = {}
+    onAction: (() -> Unit)? = null
 ) {
     Column(
         modifier = modifier
@@ -65,7 +65,7 @@ fun Error(
         )
 
         if (actionMessage != null) {
-            Button(onClick = onAction) {
+            Button(onClick = { if (onAction != null) onAction() }, enabled = onAction != null) {
                 Text(
                     text = actionMessage,
                     maxLines = 1,

app/src/main/java/com/aurora/store/compose/composable/PageIndicator.kt

@@ -22,6 +22,9 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.dimensionResource
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.semantics.semantics
+import androidx.compose.ui.semantics.stateDescription
 import androidx.compose.ui.tooling.preview.Preview
 import com.aurora.store.R
 import com.aurora.store.compose.preview.PreviewTemplate
@@ -44,6 +47,7 @@ fun PageIndicator(modifier: Modifier = Modifier, totalPages: Int, currentPage: I
         )
     ) {
         repeat(totalPages) { iteration ->
+            val page = stringResource(R.string.page, iteration)
             val isSelected = currentPage == iteration
             val color by animateColorAsState(
                 targetValue = if (isSelected) {
@@ -67,6 +71,7 @@ fun PageIndicator(modifier: Modifier = Modifier, totalPages: Int, currentPage: I
                     .size(size)
                     .clip(CircleShape)
                     .background(color = color)
+                    .semantics { stateDescription = page }
             )
         }
     }

app/src/main/java/com/aurora/store/compose/composable/app/AnimatedAppIcon.kt

@@ -23,6 +23,8 @@ import androidx.compose.ui.graphics.graphicsLayer
 import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.dimensionResource
+import androidx.compose.ui.semantics.semantics
+import androidx.compose.ui.semantics.testTag
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.tooling.preview.PreviewParameter
 import androidx.compose.ui.tooling.preview.PreviewParameterProvider
@@ -65,7 +67,9 @@ fun AnimatedAppIcon(
 
     Box(modifier = modifier, contentAlignment = Alignment.Center) {
         if (inProgress) {
-            val indicatorModifier = Modifier.fillMaxSize()
+            val indicatorModifier = Modifier
+                .fillMaxSize()
+                .semantics { testTag = "progressIndicator" }
             if (animatedProgress > 0) {
                 CircularProgressIndicator(
                     modifier = indicatorModifier,

app/src/main/java/com/aurora/store/compose/preview/PreviewTemplate.kt

@@ -16,8 +16,9 @@ import com.aurora.store.compose.theme.AuroraTheme
 @Composable
 fun PreviewTemplate(content : @Composable () -> Unit) {
     AuroraTheme {
-        CompositionLocalProvider(LocalAsyncImagePreviewHandler provides coilPreviewProvider) {
+        CompositionLocalProvider(
-            content()
+            value = LocalAsyncImagePreviewHandler provides coilPreviewProvider,
-        }
+            content = content
+        )
     }
 }

app/src/main/res/values/strings.xml

@@ -546,4 +546,8 @@
     <string name="select_app_for_details">Select an app for more details</string>
     <string name="action_filter_no_ads">No advertisements</string>
     <string name="action_filter_no_gms">No play services</string>
+
+    <!-- Misc -->
+    <string name="loading">Loading in progress</string>
+    <string name="page">Page <xliff:g id="number">%1$d</xliff:g></string>
 </resources>