diff --git a/vector/src/main/java/im/vector/app/features/roomprofile/polls/list/data/RoomPollDataSource.kt b/vector/src/main/java/im/vector/app/features/roomprofile/polls/list/data/RoomPollDataSource.kt
index 60b53a90b4..3a65297fde 100644
--- a/vector/src/main/java/im/vector/app/features/roomprofile/polls/list/data/RoomPollDataSource.kt
+++ b/vector/src/main/java/im/vector/app/features/roomprofile/polls/list/data/RoomPollDataSource.kt
@@ -25,7 +25,6 @@ import org.matrix.android.sdk.api.session.room.poll.PollHistoryService
 import org.matrix.android.sdk.api.session.room.timeline.TimelineEvent
 import javax.inject.Inject
 
-// TODO add unit tests
 class RoomPollDataSource @Inject constructor(
         private val activeSessionHolder: ActiveSessionHolder,
 ) {
diff --git a/vector/src/test/java/im/vector/app/features/roomprofile/polls/list/data/RoomPollDataSourceTest.kt b/vector/src/test/java/im/vector/app/features/roomprofile/polls/list/data/RoomPollDataSourceTest.kt
new file mode 100644
index 0000000000..11006b10e8
--- /dev/null
+++ b/vector/src/test/java/im/vector/app/features/roomprofile/polls/list/data/RoomPollDataSourceTest.kt
@@ -0,0 +1,130 @@
+/*
+ * 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 im.vector.app.features.roomprofile.polls.list.data
+
+import im.vector.app.test.fakes.FakeActiveSessionHolder
+import im.vector.app.test.fakes.FakeFlowLiveDataConversions
+import im.vector.app.test.fakes.FakePollHistoryService
+import im.vector.app.test.fakes.givenAsFlow
+import io.mockk.unmockkAll
+import kotlinx.coroutines.flow.firstOrNull
+import kotlinx.coroutines.test.runTest
+import org.amshove.kluent.shouldBeEqualTo
+import org.junit.Test
+import org.matrix.android.sdk.api.session.room.poll.LoadedPollsStatus
+import org.matrix.android.sdk.api.session.room.timeline.TimelineEvent
+
+private const val A_ROOM_ID = "room-id"
+
+internal class RoomPollDataSourceTest {
+
+    private val fakeActiveSessionHolder = FakeActiveSessionHolder()
+
+    private val roomPollDataSource = RoomPollDataSource(
+            activeSessionHolder = fakeActiveSessionHolder.instance,
+    )
+
+    @Test
+    fun `given poll history service when dispose then correct method of service is called`() {
+        // Given
+        val fakePollHistoryService = givenPollHistoryService()
+        fakePollHistoryService.givenDispose()
+
+        // When
+        roomPollDataSource.dispose(A_ROOM_ID)
+
+        // Then
+        fakePollHistoryService.verifyDispose()
+    }
+
+    @Test
+    fun `given poll history service when get polls then correct method of service is called and correct result is returned`() = runTest {
+        // Given
+        val fakeFlowLiveDataConversions = FakeFlowLiveDataConversions()
+        fakeFlowLiveDataConversions.setup()
+        val fakePollHistoryService = givenPollHistoryService()
+        val pollEvents = listOf<TimelineEvent>()
+        fakePollHistoryService
+                .givenGetPollsReturns(pollEvents)
+                .givenAsFlow()
+
+        // When
+        val result = roomPollDataSource.getPolls(A_ROOM_ID).firstOrNull()
+
+        // Then
+        result shouldBeEqualTo pollEvents
+        fakePollHistoryService.verifyGetPolls()
+        unmockkAll()
+    }
+
+    @Test
+    fun `given poll history service when get loaded polls then correct method of service is called and correct result is returned`() = runTest {
+        // Given
+        val fakePollHistoryService = givenPollHistoryService()
+        val aLoadedPollsStatus = givenALoadedPollsStatus()
+        fakePollHistoryService.givenGetLoadedPollsStatusReturns(aLoadedPollsStatus)
+
+        // When
+        val result = roomPollDataSource.getLoadedPollsStatus(A_ROOM_ID)
+
+        // Then
+        result shouldBeEqualTo aLoadedPollsStatus
+        fakePollHistoryService.verifyGetLoadedPollsStatus()
+    }
+
+    @Test
+    fun `given poll history service when load more then correct method of service is called and correct result is returned`() = runTest {
+        // Given
+        val fakePollHistoryService = givenPollHistoryService()
+        val aLoadedPollsStatus = givenALoadedPollsStatus()
+        fakePollHistoryService.givenLoadMoreReturns(aLoadedPollsStatus)
+
+        // When
+        val result = roomPollDataSource.loadMorePolls(A_ROOM_ID)
+
+        // Then
+        result shouldBeEqualTo aLoadedPollsStatus
+        fakePollHistoryService.verifyLoadMore()
+    }
+
+    @Test
+    fun `given poll history service when sync polls then correct method of service is called`() = runTest {
+        // Given
+        val fakePollHistoryService = givenPollHistoryService()
+        fakePollHistoryService.givenSyncPollsSuccess()
+
+        // When
+        roomPollDataSource.syncPolls(A_ROOM_ID)
+
+        // Then
+        fakePollHistoryService.verifySyncPolls()
+    }
+
+    private fun givenPollHistoryService(): FakePollHistoryService {
+        return fakeActiveSessionHolder
+                .fakeSession
+                .fakeRoomService
+                .getRoom(A_ROOM_ID)
+                .pollHistoryService()
+    }
+
+    private fun givenALoadedPollsStatus() = LoadedPollsStatus(
+            canLoadMore = true,
+            nbSyncedDays = 10,
+            hasCompletedASyncBackward = true,
+    )
+}
diff --git a/vector/src/test/java/im/vector/app/test/fakes/FakePollHistoryService.kt b/vector/src/test/java/im/vector/app/test/fakes/FakePollHistoryService.kt
new file mode 100644
index 0000000000..c934c3acde
--- /dev/null
+++ b/vector/src/test/java/im/vector/app/test/fakes/FakePollHistoryService.kt
@@ -0,0 +1,75 @@
+/*
+ * 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 im.vector.app.test.fakes
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import io.mockk.coEvery
+import io.mockk.coJustRun
+import io.mockk.coVerify
+import io.mockk.every
+import io.mockk.justRun
+import io.mockk.mockk
+import io.mockk.verify
+import org.matrix.android.sdk.api.session.room.poll.LoadedPollsStatus
+import org.matrix.android.sdk.api.session.room.poll.PollHistoryService
+import org.matrix.android.sdk.api.session.room.timeline.TimelineEvent
+
+class FakePollHistoryService : PollHistoryService by mockk() {
+
+    fun givenDispose() {
+        justRun { dispose() }
+    }
+
+    fun verifyDispose() {
+        verify { dispose() }
+    }
+
+    fun givenGetPollsReturns(events: List<TimelineEvent>): LiveData<List<TimelineEvent>> {
+        return MutableLiveData(events).also {
+            every { getPollEvents() } returns it
+        }
+    }
+
+    fun verifyGetPolls() {
+        verify { getPollEvents() }
+    }
+
+    fun givenGetLoadedPollsStatusReturns(status: LoadedPollsStatus) {
+        coEvery { getLoadedPollsStatus() } returns status
+    }
+
+    fun verifyGetLoadedPollsStatus() {
+        coVerify { getLoadedPollsStatus() }
+    }
+
+    fun givenLoadMoreReturns(status: LoadedPollsStatus) {
+        coEvery { loadMore() } returns status
+    }
+
+    fun verifyLoadMore() {
+        coVerify { loadMore() }
+    }
+
+    fun givenSyncPollsSuccess() {
+        coJustRun { syncPolls() }
+    }
+
+    fun verifySyncPolls() {
+        coVerify { syncPolls() }
+    }
+}
diff --git a/vector/src/test/java/im/vector/app/test/fakes/FakeRoom.kt b/vector/src/test/java/im/vector/app/test/fakes/FakeRoom.kt
index 7835c314ef..d3703f11c4 100644
--- a/vector/src/test/java/im/vector/app/test/fakes/FakeRoom.kt
+++ b/vector/src/test/java/im/vector/app/test/fakes/FakeRoom.kt
@@ -25,6 +25,7 @@ class FakeRoom(
         private val fakeTimelineService: FakeTimelineService = FakeTimelineService(),
         private val fakeRelationService: FakeRelationService = FakeRelationService(),
         private val fakeStateService: FakeStateService = FakeStateService(),
+        private val fakePollHistoryService: FakePollHistoryService = FakePollHistoryService(),
 ) : Room by mockk() {
 
     override fun locationSharingService() = fakeLocationSharingService
@@ -36,4 +37,6 @@ class FakeRoom(
     override fun relationService() = fakeRelationService
 
     override fun stateService() = fakeStateService
+
+    override fun pollHistoryService() = fakePollHistoryService
 }