Fixes after rebase

features/selectusers/impl/src/main/kotlin/io/element/android/features/selectusers/impl/DefaultSelectUsersPresenter.kt

@@ -58,11 +58,13 @@ class DefaultSelectUsersPresenter @Inject constructor() : SelectUsersPresenter {
         }
 
         LaunchedEffect(searchQuery) {
+            // Clear the search results before performing the search, manually add a fake result with the matrixId, if any
             searchResults.value = if (MatrixPatterns.isUserId(searchQuery)) {
                 persistentListOf(MatrixUser(UserId(searchQuery)))
             } else {
                 persistentListOf()
             }
+            // Perform the search asynchronously
             if (searchQuery.isNotEmpty()) {
                 searchResults.value = performSearch(searchQuery)
             }

features/selectusers/impl/src/test/kotlin/io/element/android/features/selectusers/impl/DefaultSelectUsersPresenterTests.kt

@@ -0,0 +1,62 @@
+/*
+ * 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.selectusers.impl
+
+import app.cash.molecule.RecompositionClock
+import app.cash.molecule.moleculeFlow
+import app.cash.turbine.test
+import com.google.common.truth.Truth.assertThat
+import io.element.android.features.selectusers.api.SelectUsersEvents
+import io.element.android.libraries.matrix.api.core.UserId
+import io.element.android.libraries.matrix.ui.model.MatrixUser
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.test.runTest
+import org.junit.Test
+
+@OptIn(ExperimentalCoroutinesApi::class)
+class DefaultSelectUsersPresenterTests {
+
+    @Test
+    fun `present - initial state`() = runTest {
+        val presenter = DefaultSelectUsersPresenter()
+        moleculeFlow(RecompositionClock.Immediate) {
+            presenter.present()
+        }.test {
+            val initialState = awaitItem()
+            assertThat(initialState)
+        }
+    }
+
+    @Test
+    fun `present - update search query`() = runTest {
+        val presenter = DefaultSelectUsersPresenter()
+        moleculeFlow(RecompositionClock.Immediate) {
+            presenter.present()
+        }.test {
+            val initialState = awaitItem()
+            val matrixIdQuery = "@name:matrix.org"
+            initialState.eventSink(SelectUsersEvents.UpdateSearchQuery(matrixIdQuery))
+            assertThat(awaitItem().searchQuery).isEqualTo(matrixIdQuery)
+            assertThat(awaitItem().searchResults).containsExactly(MatrixUser(UserId(matrixIdQuery)))
+
+            val notMatrixIdQuery = "name"
+            initialState.eventSink(SelectUsersEvents.UpdateSearchQuery(notMatrixIdQuery))
+            assertThat(awaitItem().searchQuery).isEqualTo(notMatrixIdQuery)
+            assertThat(awaitItem().searchResults).isEmpty()
+        }
+    }
+}