Add WaveformSlider screenshot tests

Author: gpunto

stream-chat-android-compose/src/main/java/io/getstream/chat/android/compose/ui/components/audio/WaveformSlider.kt

@@ -225,27 +225,40 @@ internal fun WaveformTrack(
 @Preview(showBackground = true, widthDp = 250)
 @Composable
 private fun StaticWaveformSliderAtStartPreview() {
-    ChatPreviewTheme { StaticWaveformSliderSample(progress = 0f, isPlaying = true) }
+    ChatPreviewTheme { StaticWaveformSliderAtStart() }
 }
 
 @Preview(showBackground = true, widthDp = 250)
 @Composable
 private fun StaticWaveformSliderMidwayPreview() {
-    ChatPreviewTheme { StaticWaveformSliderSample(progress = 0.5f, isPlaying = true) }
+    ChatPreviewTheme { StaticWaveformSliderMidway() }
 }
 
 @Preview(showBackground = true, widthDp = 250)
 @Composable
 private fun StaticWaveformSliderPausedPreview() {
-    ChatPreviewTheme { StaticWaveformSliderSample(progress = 0.3f, isPlaying = false) }
+    ChatPreviewTheme { StaticWaveformSliderPaused() }
 }
 
 @Preview(showBackground = true, widthDp = 250)
 @Composable
 private fun StaticWaveformSliderWithoutThumbPreview() {
-    ChatPreviewTheme { StaticWaveformSliderSample(progress = 0.7f, isPlaying = true, isThumbVisible = false) }
+    ChatPreviewTheme { StaticWaveformSliderWithoutThumb() }
 }
 
+@Composable
+internal fun StaticWaveformSliderAtStart() = StaticWaveformSliderSample(progress = 0f, isPlaying = true)
+
+@Composable
+internal fun StaticWaveformSliderMidway() = StaticWaveformSliderSample(progress = 0.5f, isPlaying = true)
+
+@Composable
+internal fun StaticWaveformSliderPaused() = StaticWaveformSliderSample(progress = 0.3f, isPlaying = false)
+
+@Composable
+internal fun StaticWaveformSliderWithoutThumb() =
+    StaticWaveformSliderSample(progress = 0.7f, isPlaying = true, isThumbVisible = false)
+
 @Composable
 private fun StaticWaveformSliderSample(progress: Float, isPlaying: Boolean, isThumbVisible: Boolean = true) {
     val previewWaveform = remember {
@@ -267,18 +280,21 @@ private fun StaticWaveformSliderSample(progress: Float, isPlaying: Boolean, isTh
 @Preview(showBackground = true, widthDp = 250)
 @Composable
 private fun FullWaveformTrackPreview() {
-    ChatPreviewTheme {
-        val waveform = List(100) { (it + 1) / 100f }
-        WaveformTrack(
-            modifier = Modifier
-                .fillMaxWidth()
-                .height(60.dp),
-            waveformData = waveform,
-            progress = 1f,
-            adjustBarWidthToLimit = true,
-            visibleBarLimit = 100,
-        )
-    }
+    ChatPreviewTheme { FullWaveformTrack() }
+}
+
+@Composable
+internal fun FullWaveformTrack() {
+    val waveform = List(100) { (it + 1) / 100f }
+    WaveformTrack(
+        modifier = Modifier
+            .fillMaxWidth()
+            .height(36.dp),
+        waveformData = waveform,
+        progress = 1f,
+        adjustBarWidthToLimit = true,
+        visibleBarLimit = 100,
+    )
 }
 
 private fun Offset.toHorizontalProgress(base: Float, isRtl: Boolean): Float {

stream-chat-android-compose/src/test/kotlin/io/getstream/chat/android/compose/ui/components/audio/WaveformSliderTest.kt

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2014-2026 Stream.io Inc. All rights reserved.
+ *
+ * Licensed under the Stream License;
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    https://github.com/GetStream/stream-chat-android/blob/main/LICENSE
+ *
+ * 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 io.getstream.chat.android.compose.ui.components.audio
+
+import app.cash.paparazzi.DeviceConfig
+import app.cash.paparazzi.Paparazzi
+import com.android.ide.common.rendering.api.SessionParams
+import io.getstream.chat.android.compose.ui.PaparazziComposeTest
+import org.junit.Rule
+import org.junit.Test
+
+internal class WaveformSliderTest : PaparazziComposeTest {
+
+    @get:Rule
+    override val paparazzi = Paparazzi(
+        deviceConfig = DeviceConfig.PIXEL_2,
+        renderingMode = SessionParams.RenderingMode.SHRINK,
+    )
+
+    @Test
+    fun `slider playing at start`() {
+        snapshotWithDarkModeRow { StaticWaveformSliderAtStart() }
+    }
+
+    @Test
+    fun `slider playing midway`() {
+        snapshotWithDarkModeRow { StaticWaveformSliderMidway() }
+    }
+
+    @Test
+    fun `slider paused`() {
+        snapshotWithDarkModeRow { StaticWaveformSliderPaused() }
+    }
+
+    @Test
+    fun `slider without thumb`() {
+        snapshotWithDarkModeRow { StaticWaveformSliderWithoutThumb() }
+    }
+
+    @Test
+    fun `full track`() {
+        snapshotWithDarkModeRow { FullWaveformTrack() }
+    }
+}