✅ GetGroupInfoUseCase 테스트 코드 mockito를 사용하도록 변경

boostcampwm-2022 · Dec 15, 2022 · 3652ec7 · 3652ec7
1 parent 117b492
commit 3652ec7
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Showing 3 changed files with 51 additions and 104 deletions.
diff --git a/domain/src/test/java/com/whyranoid/domain/model/FakeGroupInfo.kt b/domain/src/test/java/com/whyranoid/domain/model/FakeGroupInfo.kt
diff --git a/domain/src/test/java/com/whyranoid/domain/repository/FakeGroupRepository.kt b/domain/src/test/java/com/whyranoid/domain/repository/FakeGroupRepository.kt
diff --git a/domain/src/test/java/com/whyranoid/domain/useCase/GetGroupInfoUseCaseTest.kt b/domain/src/test/java/com/whyranoid/domain/useCase/GetGroupInfoUseCaseTest.kt
@@ -1,29 +1,55 @@
 package com.whyranoid.domain.useCase
 
-import com.whyranoid.domain.repository.fakeGroupRepository
+import com.whyranoid.domain.model.GroupInfo
+import com.whyranoid.domain.model.User
+import com.whyranoid.domain.repository.GroupRepository
 import com.whyranoid.domain.usecase.GetGroupInfoUseCase
 import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.flow.firstOrNull
+import kotlinx.coroutines.flow.flow
 import kotlinx.coroutines.test.runTest
 import org.junit.Assert.assertEquals
 import org.junit.Assert.assertNull
+import org.junit.Before
 import org.junit.Test
+import org.mockito.Mockito.`when`
+import org.mockito.Mockito.mock
 
 class GetGroupInfoUseCaseTest {
 
+    @Before
+    fun setUp() {
+
+        mockedGroupRepository = mock(GroupRepository::class.java)
+
+        `when`(
+            mockedGroupRepository.getGroupInfoFlow(
+                uid = FAKE,
+                groupId = IS_SUCCESS
+            )
+        ).thenReturn(flow { emit(MOCKED_GROUP_INFO) })
+
+        `when`(
+            mockedGroupRepository.getGroupInfoFlow(
+                uid = FAKE,
+                groupId = IS_FAILURE
+            )
+        ).thenReturn(flow { })
+    }
+
     // uid는 상관없이 groupId가 "fake" 일 때 Leader의 name이 hyunsoo인 그룹을 flow로 반환
     @OptIn(ExperimentalCoroutinesApi::class)
     @Test
     fun getGroupInfoUseCase_groupIdIsFake_returnGroupInfo() = runTest {
         // given
         val getGroupInfoUseCase =
-            GetGroupInfoUseCase(fakeGroupRepository).invoke(uid = "fake", groupId = "fake")
+            GetGroupInfoUseCase(mockedGroupRepository).invoke(uid = FAKE, groupId = IS_SUCCESS)
 
         // when
         val groupInfo = getGroupInfoUseCase.firstOrNull()
 
         // then
-        assertEquals("hyunsoo", (requireNotNull(groupInfo).leader.name))
+        assertEquals(IS_SUCCESS, (requireNotNull(groupInfo).leader.name))
     }
 
     // uid는 상관없이 groupId가 "fake" 가 아닐 때 그룹을 반환하지 않음
@@ -32,12 +58,33 @@ class GetGroupInfoUseCaseTest {
     fun getGroupInfoUseCase_groupIdIsNotFake_returnNothing() = runTest {
         // given
         val getGroupInfoUseCase =
-            GetGroupInfoUseCase(fakeGroupRepository).invoke(uid = "fake", groupId = "noFake")
+            GetGroupInfoUseCase(mockedGroupRepository).invoke(uid = FAKE, groupId = IS_FAILURE)
 
         // when
         val groupInfo = getGroupInfoUseCase.firstOrNull()
 
         // then
         assertNull(groupInfo)
     }
+
+    companion object {
+
+        private lateinit var mockedGroupRepository: GroupRepository
+        private const val FAKE = "fake"
+        private const val IS_SUCCESS = "isSuccess"
+        private const val IS_FAILURE = "isFailure"
+
+        val MOCKED_GROUP_INFO = GroupInfo(
+            name = FAKE,
+            groupId = FAKE,
+            introduce = FAKE,
+            rules = emptyList(),
+            headCount = 0,
+            leader = User(
+                uid = FAKE,
+                name = IS_SUCCESS,
+                profileUrl = FAKE
+            )
+        )
+    }
 }