diff --git a/src/test/kotlin/dev/usbharu/hideout/service/ap/APReactionServiceImplTest.kt b/src/test/kotlin/dev/usbharu/hideout/service/ap/APReactionServiceImplTest.kt
new file mode 100644
index 00000000..d0a89b23
--- /dev/null
+++ b/src/test/kotlin/dev/usbharu/hideout/service/ap/APReactionServiceImplTest.kt
@@ -0,0 +1,92 @@
+package dev.usbharu.hideout.service.ap
+
+
+import dev.usbharu.hideout.domain.model.hideout.entity.Reaction
+import dev.usbharu.hideout.domain.model.job.DeliverReactionJob
+import dev.usbharu.hideout.domain.model.job.DeliverRemoveReactionJob
+import dev.usbharu.hideout.query.FollowerQueryService
+import dev.usbharu.hideout.query.PostQueryService
+import dev.usbharu.hideout.service.core.TwitterSnowflakeIdGenerateService
+import dev.usbharu.hideout.service.job.JobQueueParentService
+import kotlinx.coroutines.test.runTest
+import org.junit.jupiter.api.Test
+import org.mockito.kotlin.*
+import utils.JsonObjectMapper.objectMapper
+import utils.PostBuilder
+import utils.UserBuilder
+
+class APReactionServiceImplTest {
+    @Test
+    fun `reaction リアクションするとフォロワーの数だけ配送ジョブが作成される`() = runTest {
+
+        val user = UserBuilder.localUserOf()
+        val post = PostBuilder.of()
+
+        val postQueryService = mock<PostQueryService> {
+            onBlocking { findById(eq(post.id)) } doReturn post
+        }
+        val followerQueryService = mock<FollowerQueryService> {
+            onBlocking { findFollowersById(eq(user.id)) } doReturn listOf(
+                UserBuilder.localUserOf(),
+                UserBuilder.localUserOf(),
+                UserBuilder.localUserOf()
+            )
+        }
+        val jobQueueParentService = mock<JobQueueParentService>()
+        val apReactionServiceImpl = APReactionServiceImpl(
+            jobQueueParentService = jobQueueParentService,
+            userQueryService = mock(),
+            followerQueryService = followerQueryService,
+            postQueryService = postQueryService,
+            objectMapper = objectMapper
+        )
+
+        apReactionServiceImpl.reaction(
+            Reaction(
+                id = TwitterSnowflakeIdGenerateService.generateId(),
+                emojiId = 0,
+                postId = post.id,
+                userId = user.id
+            )
+        )
+
+        verify(jobQueueParentService, times(3)).schedule(eq(DeliverReactionJob), any())
+    }
+
+    @Test
+    fun `removeReaction リアクションを削除するとフォロワーの数だけ配送ジョブが作成される`() = runTest {
+
+        val user = UserBuilder.localUserOf()
+        val post = PostBuilder.of()
+
+        val postQueryService = mock<PostQueryService> {
+            onBlocking { findById(eq(post.id)) } doReturn post
+        }
+        val followerQueryService = mock<FollowerQueryService> {
+            onBlocking { findFollowersById(eq(user.id)) } doReturn listOf(
+                UserBuilder.localUserOf(),
+                UserBuilder.localUserOf(),
+                UserBuilder.localUserOf()
+            )
+        }
+        val jobQueueParentService = mock<JobQueueParentService>()
+        val apReactionServiceImpl = APReactionServiceImpl(
+            jobQueueParentService = jobQueueParentService,
+            userQueryService = mock(),
+            followerQueryService = followerQueryService,
+            postQueryService = postQueryService,
+            objectMapper = objectMapper
+        )
+
+        apReactionServiceImpl.removeReaction(
+            Reaction(
+                id = TwitterSnowflakeIdGenerateService.generateId(),
+                emojiId = 0,
+                postId = post.id,
+                userId = user.id
+            )
+        )
+
+        verify(jobQueueParentService, times(3)).schedule(eq(DeliverRemoveReactionJob), any())
+    }
+}