fix: resolve EmojiViewModelTest failure

snuhcs-course · Dec 4, 2023 · cb8243f · cb8243f
1 parent 051c24c
commit cb8243f
Show file tree

Hide file tree

Showing 3 changed files with 32 additions and 15 deletions.
diff --git a/android/app/src/test/java/com/goliath/emojihub/usecases/EmojiUseCaseImplTest.kt b/android/app/src/test/java/com/goliath/emojihub/usecases/EmojiUseCaseImplTest.kt
@@ -3,7 +3,7 @@ package com.goliath.emojihub.usecases
 import androidx.paging.PagingData
 import androidx.paging.map
 import androidx.paging.testing.asSnapshot
-import com.goliath.emojihub.createDeterministicDummyEmojiDtoList
+import com.goliath.emojihub.createDeterministicTrendingEmojiDtoList
 import com.goliath.emojihub.data_sources.ApiErrorController
 import com.goliath.emojihub.mockLogClass
 import com.goliath.emojihub.models.CreatedEmoji
@@ -72,7 +72,7 @@ class EmojiUseCaseImplTest {
     @Test
     fun fetchEmojiList_returnsFlowOfEmojiPagingData() {
         // given
-        val sampleEmojiPagingDataFlow = createDeterministicDummyEmojiDtoList(5)
+        val sampleEmojiPagingDataFlow = createDeterministicTrendingEmojiDtoList(5)
         val sampleAnswer = sampleEmojiPagingDataFlow.map { it.map { dto -> Emoji(dto) } }
         coEvery {
             emojiRepository.fetchEmojiList(1)
@@ -96,7 +96,7 @@ class EmojiUseCaseImplTest {
     @Test
     fun fetchMyCreatedEmojiList_returnsFlowOfEmojiPagingData() {
         // given
-        val sampleEmojiPagingDataFlow = createDeterministicDummyEmojiDtoList(5)
+        val sampleEmojiPagingDataFlow = createDeterministicTrendingEmojiDtoList(5)
         val sampleAnswer = sampleEmojiPagingDataFlow.map { it.map { dto -> Emoji(dto) } }
         coEvery {
             emojiRepository.fetchMyCreatedEmojiList()
@@ -120,7 +120,7 @@ class EmojiUseCaseImplTest {
     @Test
     fun fetchMySavedEmojiList_returnsFlowOfEmojiPagingData() {
         // given
-        val sampleEmojiPagingDataFlow = createDeterministicDummyEmojiDtoList(5)
+        val sampleEmojiPagingDataFlow = createDeterministicTrendingEmojiDtoList(5)
         val sampleAnswer = sampleEmojiPagingDataFlow.map { it.map { dto -> Emoji(dto) } }
         coEvery {
             emojiRepository.fetchMySavedEmojiList()

diff --git a/android/app/src/test/java/com/goliath/emojihub/utils.kt b/android/app/src/test/java/com/goliath/emojihub/utils.kt
@@ -26,14 +26,14 @@ fun mockLogClass() {
 val dummyUsernames = listOf("channn", "doggydog", "meow_0w0", "mpunchmm", "kick_back")
 val dummyUnicodes = listOf("U+1F44D", "U+1F600", "U+1F970", "U+1F60E", "U+1F621", "U+1F63A", "U+1F496", "U+1F415")
 const val dummyMaxSavedCounts = 2000
-fun createDeterministicDummyEmojiDtoList(listSize : Int): Flow<PagingData<EmojiDto>> {
+fun createDeterministicTrendingEmojiDtoList(listSize : Int): Flow<PagingData<EmojiDto>> {
     val dummyEmojiList = mutableListOf<EmojiDto>()
     for (i in 0 until listSize) {
         dummyEmojiList.add(
             EmojiDto(
                 createdBy = dummyUsernames[i % dummyUsernames.size],
-                createdAt = "2023.09.16",
-                savedCount = dummyMaxSavedCounts % (i + 1),
+                createdAt = "2023."+i%12+".16",
+                savedCount = dummyMaxSavedCounts - i*10,
                 videoLink = "",
                 thumbnailLink = "",
                 unicode = dummyUnicodes[i % dummyUnicodes.size],
@@ -44,8 +44,8 @@ fun createDeterministicDummyEmojiDtoList(listSize : Int): Flow<PagingData<EmojiD
     }
     return flowOf(PagingData.from(dummyEmojiList))
 }
-fun createDeterministicDummyEmojiList(listSize: Int): Flow<PagingData<Emoji>> {
-    return createDeterministicDummyEmojiDtoList(listSize).map { it.map { dto -> Emoji(dto) } }
+fun createDeterministicTrendingEmojiList(listSize: Int): Flow<PagingData<Emoji>> {
+    return createDeterministicTrendingEmojiDtoList(listSize).map { it.map { dto -> Emoji(dto) } }
 }
 
 // POST TESTING UTILS

diff --git a/android/app/src/test/java/com/goliath/emojihub/viewmodels/EmojiViewModelTest.kt b/android/app/src/test/java/com/goliath/emojihub/viewmodels/EmojiViewModelTest.kt
@@ -1,7 +1,7 @@
 package com.goliath.emojihub.viewmodels
 
 import android.net.Uri
-import com.goliath.emojihub.createDeterministicDummyEmojiList
+import com.goliath.emojihub.createDeterministicTrendingEmojiList
 import com.goliath.emojihub.mockLogClass
 import com.goliath.emojihub.models.CreatedEmoji
 import com.goliath.emojihub.usecases.EmojiUseCase
@@ -44,24 +44,41 @@ class EmojiViewModelTest {
     }
 
     @Test
-    fun fetchEmojiList_success_updateEmojiList() = runTest {
+    fun fetchEmojiList_success_updateTrendingEmojiList() = runTest {
         // given
-        val sampleFetchedEmojiList = createDeterministicDummyEmojiList(10)
+        val sampleFetchedEmojiList = createDeterministicTrendingEmojiList(10)
         coEvery {
-            emojiUseCase.fetchEmojiList(1)
+            emojiUseCase.fetchEmojiList(0)
         } returns sampleFetchedEmojiList
         // when
         emojiViewModel.fetchEmojiList()
         advanceUntilIdle()
         // then
+        coVerify(exactly = 1) { emojiUseCase.fetchEmojiList(0) }
+        coVerify(exactly = 1) { emojiUseCase.updateEmojiList(any()) }
+    }
+
+    @Test
+    fun toggleSortingMode_success_updateTrendingEmojiList() = runTest {
+        // given
+        // for simplicity of testing, we return the same list for both cases
+        val sampleFetchedEmojiList = createDeterministicTrendingEmojiList(10)
+        coEvery {
+            emojiUseCase.fetchEmojiList(1)
+        } returns sampleFetchedEmojiList
+        // when
+        emojiViewModel.toggleSortingMode()
+        advanceUntilIdle()
+        // then
         coVerify(exactly = 1) { emojiUseCase.fetchEmojiList(1) }
         coVerify(exactly = 1) { emojiUseCase.updateEmojiList(any()) }
+        assertEquals(1, emojiViewModel.sortByDate)
     }
 
     @Test
     fun fetchMyCreatedEmojiList_success_updateMyCreatedEmojiList() = runTest {
         // given
-        val sampleFetchedMyCreatedEmojiList = createDeterministicDummyEmojiList(10)
+        val sampleFetchedMyCreatedEmojiList = createDeterministicTrendingEmojiList(10)
         coEvery {
             emojiUseCase.fetchMyCreatedEmojiList()
         } returns sampleFetchedMyCreatedEmojiList
@@ -76,7 +93,7 @@ class EmojiViewModelTest {
     @Test
     fun fetchMySavedEmojiList_success_updateMySavedEmojiList() = runTest {
         // given
-        val sampleFetchedMySavedEmojiList = createDeterministicDummyEmojiList(10)
+        val sampleFetchedMySavedEmojiList = createDeterministicTrendingEmojiList(10)
         coEvery {
             emojiUseCase.fetchMySavedEmojiList()
         } returns sampleFetchedMySavedEmojiList