カバレッジ向上

src/features/core/internal/Voice/internal/Voice.class.spec.ts

@@ -171,6 +171,48 @@ describe('Voice', () => {
       );
     });
 
+    it('should throw an error if the channel is null', async () => {
+      const mockedInteraction = {
+        reply: vi.fn(),
+      } as unknown as Readonly<ChatInputCommandInteraction>;
+
+      (getActorId as MockedFunction<typeof getActorId>).mockResolvedValueOnce({
+        voice: { channel: null },
+      } as GuildMember);
+      (
+        getJoinableStateStatus as MockedFunction<typeof getJoinableStateStatus>
+      ).mockReturnValueOnce(JOINABLE_STATE_STATUS.ALREADY_JOINED);
+
+      await expect(
+        voice.join({ interaction: mockedInteraction })
+      ).rejects.toThrowError(
+        'Channel is null. Please check getJoinableStateStatus()'
+      );
+    });
+
+    // JOINABLE_STATE_STATUS.ALREADY_JOINED
+    it('should return false if the channel is already joined', async () => {
+      const mockedInteraction = {
+        reply: vi.fn(),
+      } as unknown as Readonly<ChatInputCommandInteraction>;
+
+      (getActorId as MockedFunction<typeof getActorId>).mockResolvedValueOnce({
+        voice: {
+          channel: {
+            id: 'channelId',
+            guild: {
+              id: 'guildId',
+            },
+          },
+        },
+      } as GuildMember);
+      (
+        getJoinableStateStatus as MockedFunction<typeof getJoinableStateStatus>
+      ).mockReturnValueOnce(JOINABLE_STATE_STATUS.ALREADY_JOINED);
+
+      const result = await voice.join({ interaction: mockedInteraction });
+    });
+
     it('should join the voice channel and return true', async () => {
       const mockedGuildMember = {
         voice: {

src/features/core/internal/Voice/internal/Voice.class.ts

@@ -80,7 +80,7 @@ export class Voice {
             adapterCreator: channel.guild.voiceAdapterCreator,
           });
           this.connection.push({
-            guildId: actor.guild.id,
+            guildId: channel.guildId,
             connection: connectedChannel,
             player: undefined,
           });