Merge TimelineItemEventRow's textForInReplyTo and attachmentThumbnailInfoForInReplyTo functions (#1859)

The flow is somewhat misleading so its logic has been merged into `InReplyToDetails.metadata()`.
2023-11-27 23:13:19 +01:00
parent de3362798e
commit c33c0f583c
5 changed files with 445 additions and 103 deletions
--- a/features/messages/impl/build.gradle.kts
+++ b/features/messages/impl/build.gradle.kts
@@ -23,6 +23,11 @@ plugins {

 android {
    namespace = "io.element.android.features.messages.impl"
+    testOptions {
+        unitTests {
+            isIncludeAndroidResources = true
+        }
+    }
 }

 anvil {
@@ -88,6 +93,8 @@ dependencies {
    testImplementation(projects.libraries.voicerecorder.test)
    testImplementation(projects.libraries.mediaplayer.test)
    testImplementation(libs.test.mockk)
+    testImplementation(libs.test.junitext)
+    testImplementation(libs.test.robolectric)

    ksp(libs.showkase.processor)
 }
--- a/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/components/TimelineItemEventRow.kt
+++ b/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/components/TimelineItemEventRow.kt
@@ -59,6 +59,7 @@ import androidx.compose.ui.unit.dp
 import androidx.compose.ui.zIndex
 import androidx.constraintlayout.compose.ConstrainScope
 import androidx.constraintlayout.compose.ConstraintLayout
+import io.element.android.compound.theme.ElementTheme
 import io.element.android.features.messages.impl.timeline.TimelineEvents
 import io.element.android.features.messages.impl.timeline.aTimelineItemEvent
 import io.element.android.features.messages.impl.timeline.components.event.TimelineItemEventContentView
@@ -66,6 +67,7 @@ import io.element.android.features.messages.impl.timeline.components.event.toExt
 import io.element.android.features.messages.impl.timeline.components.receipt.ReadReceiptViewState
 import io.element.android.features.messages.impl.timeline.components.receipt.TimelineItemReadReceiptView
 import io.element.android.features.messages.impl.timeline.model.InReplyToDetails
+import io.element.android.features.messages.impl.timeline.model.InReplyToMetadata
 import io.element.android.features.messages.impl.timeline.model.TimelineItem
 import io.element.android.features.messages.impl.timeline.model.TimelineItemGroupPosition
 import io.element.android.features.messages.impl.timeline.model.bubble.BubbleState
@@ -75,6 +77,7 @@ import io.element.android.features.messages.impl.timeline.model.event.TimelineIt
 import io.element.android.features.messages.impl.timeline.model.event.TimelineItemVideoContent
 import io.element.android.features.messages.impl.timeline.model.event.aTimelineItemImageContent
 import io.element.android.features.messages.impl.timeline.model.event.aTimelineItemTextContent
+import io.element.android.features.messages.impl.timeline.model.metadata
 import io.element.android.libraries.designsystem.colors.AvatarColorsProvider
 import io.element.android.libraries.designsystem.components.EqualWidthColumn
 import io.element.android.libraries.designsystem.components.avatar.Avatar
@@ -89,18 +92,7 @@ import io.element.android.libraries.designsystem.theme.components.Text
 import io.element.android.libraries.designsystem.utils.CommonDrawables
 import io.element.android.libraries.matrix.api.core.EventId
 import io.element.android.libraries.matrix.api.core.UserId
-import io.element.android.libraries.matrix.api.timeline.item.event.AudioMessageType
-import io.element.android.libraries.matrix.api.timeline.item.event.FileMessageType
-import io.element.android.libraries.matrix.api.timeline.item.event.ImageMessageType
-import io.element.android.libraries.matrix.api.timeline.item.event.LocationMessageType
-import io.element.android.libraries.matrix.api.timeline.item.event.MessageContent
-import io.element.android.libraries.matrix.api.timeline.item.event.PollContent
-import io.element.android.libraries.matrix.api.timeline.item.event.VideoMessageType
-import io.element.android.libraries.matrix.api.timeline.item.event.VoiceMessageType
 import io.element.android.libraries.matrix.ui.components.AttachmentThumbnail
-import io.element.android.libraries.matrix.ui.components.AttachmentThumbnailInfo
-import io.element.android.libraries.matrix.ui.components.AttachmentThumbnailType
-import io.element.android.compound.theme.ElementTheme
 import io.element.android.libraries.ui.strings.CommonStrings
 import kotlinx.coroutines.launch
 import kotlin.math.abs
@@ -538,13 +530,10 @@ private fun MessageEventBubbleContent(
        }
        val inReplyTo = @Composable { inReplyTo: InReplyToDetails ->
            val senderName = inReplyTo.senderDisplayName ?: inReplyTo.senderId.value
-            val attachmentThumbnailInfo = attachmentThumbnailInfoForInReplyTo(inReplyTo)
-            val text = textForInReplyTo(inReplyTo)
            val topPadding = if (showThreadDecoration) 0.dp else 8.dp
            ReplyToContent(
                senderName = senderName,
-                text = text,
-                attachmentThumbnailInfo = attachmentThumbnailInfo,
+                metadata = inReplyTo.metadata(),
                modifier = Modifier
                    .padding(top = topPadding, start = 8.dp, end = 8.dp)
                    .clip(RoundedCornerShape(6.dp))
@@ -585,11 +574,10 @@ private fun MessageEventBubbleContent(
@Composable
 private fun ReplyToContent(
    senderName: String,
-    text: String?,
-    attachmentThumbnailInfo: AttachmentThumbnailInfo?,
+    metadata: InReplyToMetadata?,
    modifier: Modifier = Modifier,
 ) {
-    val paddings = if (attachmentThumbnailInfo != null) {
+    val paddings = if (metadata is InReplyToMetadata.Thumbnail) {
        PaddingValues(start = 4.dp, end = 12.dp, top = 4.dp, bottom = 4.dp)
    } else {
        PaddingValues(horizontal = 12.dp, vertical = 4.dp)
@@ -599,9 +587,9 @@ private fun ReplyToContent(
            .background(MaterialTheme.colorScheme.surface)
            .padding(paddings)
    ) {
-        if (attachmentThumbnailInfo != null) {
+        if (metadata is InReplyToMetadata.Thumbnail) {
            AttachmentThumbnail(
-                info = attachmentThumbnailInfo,
+                info = metadata.attachmentThumbnailInfo,
                backgroundColor = MaterialTheme.colorScheme.surfaceVariant,
                modifier = Modifier
                    .size(36.dp)
@@ -619,7 +607,7 @@ private fun ReplyToContent(
                overflow = TextOverflow.Ellipsis,
            )
            Text(
-                text = text.orEmpty(),
+                text = metadata?.text.orEmpty(),
                style = ElementTheme.typography.fontBodyMdRegular,
                textAlign = TextAlign.Start,
                color = ElementTheme.materialColors.secondary,
@@ -630,60 +618,6 @@ private fun ReplyToContent(
    }
 }

-private fun attachmentThumbnailInfoForInReplyTo(inReplyTo: InReplyToDetails): AttachmentThumbnailInfo? {
-    return when (val eventContent = inReplyTo.eventContent) {
-        is MessageContent -> when (val type = eventContent.type) {
-            is ImageMessageType -> AttachmentThumbnailInfo(
-                thumbnailSource = type.info?.thumbnailSource ?: type.source,
-                textContent = eventContent.body,
-                type = AttachmentThumbnailType.Image,
-                blurHash = type.info?.blurhash,
-            )
-            is VideoMessageType -> AttachmentThumbnailInfo(
-                thumbnailSource = type.info?.thumbnailSource,
-                textContent = eventContent.body,
-                type = AttachmentThumbnailType.Video,
-                blurHash = type.info?.blurhash,
-            )
-            is FileMessageType -> AttachmentThumbnailInfo(
-                thumbnailSource = type.info?.thumbnailSource,
-                textContent = eventContent.body,
-                type = AttachmentThumbnailType.File,
-            )
-            is LocationMessageType -> AttachmentThumbnailInfo(
-                textContent = eventContent.body,
-                type = AttachmentThumbnailType.Location,
-            )
-            is AudioMessageType -> AttachmentThumbnailInfo(
-                textContent = eventContent.body,
-                type = AttachmentThumbnailType.Audio,
-            )
-            is VoiceMessageType -> AttachmentThumbnailInfo(
-                type = AttachmentThumbnailType.Voice,
-            )
-            else -> null
-        }
-        is PollContent -> AttachmentThumbnailInfo(
-            textContent = eventContent.question,
-            type = AttachmentThumbnailType.Poll,
-        )
-        else -> null
-    }
-}
-
-@Composable
-private fun textForInReplyTo(inReplyTo: InReplyToDetails): String {
-    return when (val eventContent = inReplyTo.eventContent) {
-        is MessageContent -> when (eventContent.type) {
-            is LocationMessageType -> stringResource(CommonStrings.common_shared_location)
-            is VoiceMessageType -> stringResource(CommonStrings.common_voice_message)
-            else -> inReplyTo.textContent ?: eventContent.body
-        }
-        is PollContent -> eventContent.question
-        else -> ""
-    }
-}
-
@PreviewsDayNight
@Composable
 internal fun TimelineItemEventRowPreview() = ElementPreview {
--- a/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/model/InReplyToMetadata.kt
+++ b/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/model/InReplyToMetadata.kt
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * 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
+ *
+ *     http://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 io.element.android.features.messages.impl.timeline.model
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.Immutable
+import androidx.compose.ui.res.stringResource
+import io.element.android.libraries.matrix.api.timeline.item.event.AudioMessageType
+import io.element.android.libraries.matrix.api.timeline.item.event.FileMessageType
+import io.element.android.libraries.matrix.api.timeline.item.event.ImageMessageType
+import io.element.android.libraries.matrix.api.timeline.item.event.LocationMessageType
+import io.element.android.libraries.matrix.api.timeline.item.event.MessageContent
+import io.element.android.libraries.matrix.api.timeline.item.event.PollContent
+import io.element.android.libraries.matrix.api.timeline.item.event.VideoMessageType
+import io.element.android.libraries.matrix.api.timeline.item.event.VoiceMessageType
+import io.element.android.libraries.matrix.ui.components.AttachmentThumbnailInfo
+import io.element.android.libraries.matrix.ui.components.AttachmentThumbnailType
+import io.element.android.libraries.ui.strings.CommonStrings
+
+@Immutable
+internal sealed interface InReplyToMetadata {
+
+    val text: String?
+
+    data class Thumbnail(
+        val attachmentThumbnailInfo: AttachmentThumbnailInfo
+    ) : InReplyToMetadata {
+        override val text: String? = attachmentThumbnailInfo.textContent
+    }
+
+    data class Text(
+        override val text: String
+    ) : InReplyToMetadata
+}
+
+/**
+ * Computes metadata for the in reply to message.
+ *
+ * Metadata can be either a thumbnail with a text OR just a text.
+ */
+@Composable
+internal fun InReplyToDetails.metadata(): InReplyToMetadata? = when (eventContent) {
+    is MessageContent -> when (val type = eventContent.type) {
+        is ImageMessageType -> InReplyToMetadata.Thumbnail(
+            AttachmentThumbnailInfo(
+                thumbnailSource = type.info?.thumbnailSource ?: type.source,
+                textContent = eventContent.body,
+                type = AttachmentThumbnailType.Image,
+                blurHash = type.info?.blurhash,
+            )
+        )
+        is VideoMessageType -> InReplyToMetadata.Thumbnail(
+            AttachmentThumbnailInfo(
+                thumbnailSource = type.info?.thumbnailSource,
+                textContent = eventContent.body,
+                type = AttachmentThumbnailType.Video,
+                blurHash = type.info?.blurhash,
+            )
+        )
+        is FileMessageType -> InReplyToMetadata.Thumbnail(
+            AttachmentThumbnailInfo(
+                thumbnailSource = type.info?.thumbnailSource,
+                textContent = eventContent.body,
+                type = AttachmentThumbnailType.File,
+            )
+        )
+        is LocationMessageType -> InReplyToMetadata.Thumbnail(
+            AttachmentThumbnailInfo(
+                textContent = stringResource(CommonStrings.common_shared_location),
+                type = AttachmentThumbnailType.Location,
+            )
+        )
+        is AudioMessageType -> InReplyToMetadata.Thumbnail(
+            AttachmentThumbnailInfo(
+                textContent = eventContent.body,
+                type = AttachmentThumbnailType.Audio,
+            )
+        )
+        is VoiceMessageType -> InReplyToMetadata.Thumbnail(
+            AttachmentThumbnailInfo(
+                textContent = stringResource(CommonStrings.common_voice_message),
+                type = AttachmentThumbnailType.Voice,
+            )
+        )
+        else -> InReplyToMetadata.Text(textContent ?: eventContent.body)
+    }
+    is PollContent -> InReplyToMetadata.Thumbnail(
+        AttachmentThumbnailInfo(
+            textContent = eventContent.question,
+            type = AttachmentThumbnailType.Poll,
+        )
+    )
+    else -> null
+}
--- a/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/model/TimelineItemGroupPositionProvider.kt
+++ b/features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/model/TimelineItemGroupPositionProvider.kt
@@ -1,28 +0,0 @@
-/*
- * Copyright (c) 2023 New Vector Ltd
- *
- * 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
- *
- *     http://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 io.element.android.features.messages.impl.timeline.model
-
-import androidx.compose.ui.tooling.preview.PreviewParameterProvider
-
-internal class TimelineItemGroupPositionProvider : PreviewParameterProvider<TimelineItemGroupPosition> {
-    override val values = sequenceOf(
-        TimelineItemGroupPosition.First,
-        TimelineItemGroupPosition.Middle,
-        TimelineItemGroupPosition.Last,
-        TimelineItemGroupPosition.None,
-    )
-}
--- a/features/messages/impl/src/test/kotlin/io/element/android/features/messages/impl/timeline/model/InReplyToMetadataKtTest.kt
+++ b/features/messages/impl/src/test/kotlin/io/element/android/features/messages/impl/timeline/model/InReplyToMetadataKtTest.kt
@@ -0,0 +1,321 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * 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
+ *
+ *     http://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 io.element.android.features.messages.impl.timeline.model
+
+import android.content.res.Configuration
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.CompositionLocalProvider
+import androidx.compose.ui.platform.LocalConfiguration
+import androidx.compose.ui.platform.LocalContext
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import app.cash.molecule.RecompositionMode
+import app.cash.molecule.moleculeFlow
+import app.cash.turbine.test
+import com.google.common.truth.Truth
+import io.element.android.libraries.matrix.api.core.EventId
+import io.element.android.libraries.matrix.api.core.UserId
+import io.element.android.libraries.matrix.api.media.AudioInfo
+import io.element.android.libraries.matrix.api.media.FileInfo
+import io.element.android.libraries.matrix.api.media.VideoInfo
+import io.element.android.libraries.matrix.api.timeline.item.event.AudioMessageType
+import io.element.android.libraries.matrix.api.timeline.item.event.EventContent
+import io.element.android.libraries.matrix.api.timeline.item.event.FileMessageType
+import io.element.android.libraries.matrix.api.timeline.item.event.ImageMessageType
+import io.element.android.libraries.matrix.api.timeline.item.event.LocationMessageType
+import io.element.android.libraries.matrix.api.timeline.item.event.RedactedContent
+import io.element.android.libraries.matrix.api.timeline.item.event.VideoMessageType
+import io.element.android.libraries.matrix.api.timeline.item.event.VoiceMessageType
+import io.element.android.libraries.matrix.test.AN_EVENT_ID
+import io.element.android.libraries.matrix.test.A_USER_ID
+import io.element.android.libraries.matrix.test.media.aMediaSource
+import io.element.android.libraries.matrix.test.room.aMessageContent
+import io.element.android.libraries.matrix.test.room.aPollContent
+import io.element.android.libraries.matrix.ui.components.AttachmentThumbnailInfo
+import io.element.android.libraries.matrix.ui.components.AttachmentThumbnailType
+import kotlinx.coroutines.test.runTest
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class InReplyToMetadataKtTest {
+    @Test
+    fun `any message content`() = runTest {
+        moleculeFlow(RecompositionMode.Immediate) {
+            anInReplyToDetails(eventContent = aMessageContent()).metadata()
+        }.test {
+            awaitItem().let {
+                Truth.assertThat(it).isEqualTo(InReplyToMetadata.Text("textContent"))
+            }
+        }
+    }
+
+    @Test
+    fun `an image message content`() = runTest {
+        moleculeFlow(RecompositionMode.Immediate) {
+            anInReplyToDetails(
+                eventContent = aMessageContent(
+                    messageType = ImageMessageType(
+                        body = "body",
+                        source = aMediaSource(),
+                        info = null,
+                    )
+                )
+            ).metadata()
+        }.test {
+            awaitItem().let {
+                Truth.assertThat(it).isEqualTo(
+                    InReplyToMetadata.Thumbnail(
+                        attachmentThumbnailInfo = AttachmentThumbnailInfo(
+                            thumbnailSource = aMediaSource(),
+                            textContent = "body",
+                            type = AttachmentThumbnailType.Image,
+                            blurHash = null,
+                        )
+                    )
+                )
+            }
+        }
+    }
+
+    @Test
+    fun `a video message content`() = runTest {
+        moleculeFlow(RecompositionMode.Immediate) {
+            anInReplyToDetails(
+                eventContent = aMessageContent(
+                    messageType = VideoMessageType(
+                        body = "body",
+                        source = aMediaSource(),
+                        info = VideoInfo(
+                            duration = null,
+                            height = null,
+                            width = null,
+                            mimetype = null,
+                            size = null,
+                            thumbnailInfo = null,
+                            thumbnailSource = aMediaSource(),
+                            blurhash = null
+                        ),
+                    )
+                )
+            ).metadata()
+        }.test {
+            awaitItem().let {
+                Truth.assertThat(it).isEqualTo(
+                    InReplyToMetadata.Thumbnail(
+                        attachmentThumbnailInfo = AttachmentThumbnailInfo(
+                            thumbnailSource = aMediaSource(),
+                            textContent = "body",
+                            type = AttachmentThumbnailType.Video,
+                            blurHash = null,
+                        )
+                    )
+                )
+            }
+        }
+    }
+
+    @Test
+    fun `a file message content`() = runTest {
+        moleculeFlow(RecompositionMode.Immediate) {
+            anInReplyToDetails(
+                eventContent = aMessageContent(
+                    messageType = FileMessageType(
+                        body = "body",
+                        source = aMediaSource(),
+                        info = FileInfo(
+                            mimetype = null,
+                            size = null,
+                            thumbnailInfo = null,
+                            thumbnailSource = aMediaSource(),
+                        ),
+                    )
+                )
+            ).metadata()
+        }.test {
+            awaitItem().let {
+                Truth.assertThat(it).isEqualTo(
+                    InReplyToMetadata.Thumbnail(
+                        attachmentThumbnailInfo = AttachmentThumbnailInfo(
+                            thumbnailSource = aMediaSource(),
+                            textContent = "body",
+                            type = AttachmentThumbnailType.File,
+                            blurHash = null,
+                        )
+                    )
+                )
+            }
+        }
+    }
+
+    @Test
+    fun `a audio message content`() = runTest {
+        moleculeFlow(RecompositionMode.Immediate) {
+            anInReplyToDetails(
+                eventContent = aMessageContent(
+                    messageType = AudioMessageType(
+                        body = "body",
+                        source = aMediaSource(),
+                        info = AudioInfo(
+                            duration = null,
+                            size = null,
+                            mimetype = null
+                        ),
+                    )
+                )
+            ).metadata()
+        }.test {
+            awaitItem().let {
+                Truth.assertThat(it).isEqualTo(
+                    InReplyToMetadata.Thumbnail(
+                        attachmentThumbnailInfo = AttachmentThumbnailInfo(
+                            textContent = "body",
+                            type = AttachmentThumbnailType.Audio,
+                            blurHash = null,
+                        )
+                    )
+                )
+            }
+        }
+    }
+
+    @Test
+    fun `a location message content`() = runTest {
+        moleculeFlow(RecompositionMode.Immediate) {
+            testEnv {
+                anInReplyToDetails(
+                    eventContent = aMessageContent(
+                        messageType = LocationMessageType(
+                            body = "body",
+                            geoUri = "geo:3.0,4.0;u=5.0",
+                            description = null,
+                        )
+                    )
+                ).metadata()
+            }
+        }.test {
+            awaitItem().let {
+                Truth.assertThat(it).isEqualTo(
+                    InReplyToMetadata.Thumbnail(
+                        attachmentThumbnailInfo = AttachmentThumbnailInfo(
+                            thumbnailSource = null,
+                            textContent = "Shared location",
+                            type = AttachmentThumbnailType.Location,
+                            blurHash = null,
+                        )
+                    )
+                )
+            }
+        }
+    }
+
+    @Test
+    fun `a voice message content`() = runTest {
+        moleculeFlow(RecompositionMode.Immediate) {
+            testEnv {
+                anInReplyToDetails(
+                    eventContent = aMessageContent(
+                        messageType = VoiceMessageType(
+                            body = "body",
+                            source = aMediaSource(),
+                            info = null,
+                            details = null,
+                        )
+                    )
+                ).metadata()
+            }
+        }.test {
+            awaitItem().let {
+                Truth.assertThat(it).isEqualTo(
+                    InReplyToMetadata.Thumbnail(
+                        attachmentThumbnailInfo = AttachmentThumbnailInfo(
+                            thumbnailSource = null,
+                            textContent = "Voice message",
+                            type = AttachmentThumbnailType.Voice,
+                            blurHash = null,
+                        )
+                    )
+                )
+            }
+        }
+    }
+
+    @Test
+    fun `a poll content`() = runTest {
+        moleculeFlow(RecompositionMode.Immediate) {
+            anInReplyToDetails(
+                eventContent = aPollContent()
+            ).metadata()
+        }.test {
+            awaitItem().let {
+                Truth.assertThat(it).isEqualTo(
+                    InReplyToMetadata.Thumbnail(
+                        attachmentThumbnailInfo = AttachmentThumbnailInfo(
+                            thumbnailSource = null,
+                            textContent = "Do you like polls?",
+                            type = AttachmentThumbnailType.Poll,
+                            blurHash = null,
+                        )
+                    )
+                )
+            }
+        }
+    }
+
+    @Test
+    fun `any other content`() = runTest {
+        moleculeFlow(RecompositionMode.Immediate) {
+            anInReplyToDetails(
+                eventContent = RedactedContent
+            ).metadata()
+        }.test {
+            awaitItem().let {
+                Truth.assertThat(it).isEqualTo(null)
+            }
+        }
+    }
+}
+
+fun anInReplyToDetails(
+    eventId: EventId = AN_EVENT_ID,
+    senderId: UserId = A_USER_ID,
+    senderDisplayName: String? = "senderDisplayName",
+    senderAvatarUrl: String? = "senderAvatarUrl",
+    eventContent: EventContent? = aMessageContent(),
+    textContent: String? = "textContent",
+) = InReplyToDetails(
+    eventId = eventId,
+    senderId = senderId,
+    senderDisplayName = senderDisplayName,
+    senderAvatarUrl = senderAvatarUrl,
+    eventContent = eventContent,
+    textContent = textContent,
+)
+
+@Composable
+private fun testEnv(content: @Composable () -> Any?): Any? {
+    var result: Any? = null
+    CompositionLocalProvider(
+        LocalConfiguration provides Configuration(),
+        LocalContext provides ApplicationProvider.getApplicationContext(),
+    ) {
+        content().apply {
+            result = this
+        }
+    }
+    return result
+}