Add CommandSelectionRoutingTest to verify command availability logic

Author: andremion

stream-chat-android-compose/src/test/kotlin/io/getstream/chat/android/compose/ui/messages/composer/internal/CommandSelectionRoutingTest.kt

@@ -0,0 +1,102 @@
+/*
+ * 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.messages.composer.internal
+
+import android.content.Context
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import io.getstream.chat.android.models.Command
+import io.getstream.chat.android.randomMessage
+import io.getstream.chat.android.ui.common.state.messages.Edit
+import io.getstream.chat.android.ui.common.state.messages.Reply
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertNull
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.annotation.Config
+
+@RunWith(AndroidJUnit4::class)
+@Config(sdk = [33])
+internal class CommandSelectionRoutingTest {
+
+    private val giphy = Command("giphy", "Search GIFs", "[text]", "fun_set")
+    private val mute = Command("mute", "Mute user", "[@username]", "moderation_set")
+
+    private lateinit var context: Context
+
+    @Before
+    fun setUp() {
+        context = ApplicationProvider.getApplicationContext()
+    }
+
+    @Test
+    fun `Available command invokes onAvailable`() {
+        var received: Command? = null
+
+        routeCommandSelection(
+            command = giphy,
+            action = null,
+            context = context,
+            onAvailable = { received = it },
+        )
+
+        assertEquals(giphy, received)
+    }
+
+    @Test
+    fun `Unavailable command in reply mode does not invoke onAvailable`() {
+        var received: Command? = null
+
+        routeCommandSelection(
+            command = mute,
+            action = Reply(randomMessage()),
+            context = context,
+            onAvailable = { received = it },
+        )
+
+        assertNull(received)
+    }
+
+    @Test
+    fun `Unavailable command in edit mode does not invoke onAvailable`() {
+        var received: Command? = null
+
+        routeCommandSelection(
+            command = giphy,
+            action = Edit(randomMessage()),
+            context = context,
+            onAvailable = { received = it },
+        )
+
+        assertNull(received)
+    }
+
+    @Test
+    fun `Non-moderation command in reply mode invokes onAvailable`() {
+        var received: Command? = null
+
+        routeCommandSelection(
+            command = giphy,
+            action = Reply(randomMessage()),
+            context = context,
+            onAvailable = { received = it },
+        )
+
+        assertEquals(giphy, received)
+    }
+}