feat(creator): 시리즈 탭 상태 관리를 추가한다

app/src/main/java/kr/co/vividnext/sodalive/di/AppDI.kt

@@ -181,6 +181,7 @@ import kr.co.vividnext.sodalive.v2.creator.channel.audio.CreatorChannelAudioView
 import kr.co.vividnext.sodalive.v2.creator.channel.data.CreatorChannelApi
 import kr.co.vividnext.sodalive.v2.creator.channel.data.CreatorChannelRepository
 import kr.co.vividnext.sodalive.v2.creator.channel.live.CreatorChannelLiveViewModel
+import kr.co.vividnext.sodalive.v2.creator.channel.series.CreatorChannelSeriesViewModel
 import kr.co.vividnext.sodalive.v2.main.MainV2ViewModel
 import kr.co.vividnext.sodalive.v2.main.chat.ChatMainViewModel
 import kr.co.vividnext.sodalive.v2.main.chat.data.ChatRoomApi
@@ -412,6 +413,7 @@ class AppDI(private val context: Context, isDebugMode: Boolean) {
         viewModel { CreatorChannelHomeViewModel(get()) }
         viewModel { CreatorChannelLiveViewModel(get()) }
         viewModel { CreatorChannelAudioViewModel(get()) }
+        viewModel { CreatorChannelSeriesViewModel(get()) }
         viewModel { PushNotificationListViewModel(get()) }
         viewModel { CharacterTabViewModel(get()) }
         viewModel { CharacterDetailViewModel(get()) }

app/src/main/java/kr/co/vividnext/sodalive/v2/creator/channel/series/CreatorChannelSeriesViewModel.kt

@@ -0,0 +1,175 @@
+package kr.co.vividnext.sodalive.v2.creator.channel.series
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import com.orhanobut.logger.Logger
+import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers
+import io.reactivex.rxjava3.schedulers.Schedulers
+import kr.co.vividnext.sodalive.base.BaseViewModel
+import kr.co.vividnext.sodalive.common.ApiResponse
+import kr.co.vividnext.sodalive.common.SharedPreferenceManager
+import kr.co.vividnext.sodalive.v2.common.data.ContentSort
+import kr.co.vividnext.sodalive.v2.creator.channel.data.CreatorChannelRepository
+import kr.co.vividnext.sodalive.v2.creator.channel.series.data.CreatorChannelSeriesTabResponse
+import kr.co.vividnext.sodalive.v2.creator.channel.series.model.CreatorChannelSeriesItemUiModel
+import kr.co.vividnext.sodalive.v2.creator.channel.series.model.toSeriesItemUiModels
+
+class CreatorChannelSeriesViewModel(
+    private val repository: CreatorChannelRepository
+) : BaseViewModel() {
+
+    private val _seriesStateLiveData = MutableLiveData<CreatorChannelSeriesUiState>()
+    val seriesStateLiveData: LiveData<CreatorChannelSeriesUiState>
+        get() = _seriesStateLiveData
+
+    private var creatorId: Long = 0L
+    private var isOwner: Boolean = false
+    private var selectedSort: ContentSort = ContentSort.LATEST
+    private var requestGeneration: Int = 0
+
+    fun loadSeries(creatorId: Long, isOwner: Boolean) {
+        if (creatorId <= 0) return
+        val shouldSkipReload = this.creatorId == creatorId && this.isOwner == isOwner && _seriesStateLiveData.value != null
+        if (shouldSkipReload) return
+
+        this.creatorId = creatorId
+        this.isOwner = isOwner
+        loadFirstPage(selectedSort)
+    }
+
+    fun changeSort(sort: ContentSort) {
+        if (sort == selectedSort) return
+        if (creatorId <= 0) return
+
+        selectedSort = sort
+        loadFirstPage(sort)
+    }
+
+    fun retrySeries() {
+        if (creatorId <= 0) return
+
+        loadFirstPage(selectedSort)
+    }
+
+    fun loadMore() {
+        val content = _seriesStateLiveData.value as? CreatorChannelSeriesUiState.Content ?: return
+        if (!content.hasNext || content.isLoadingMore || creatorId <= 0) return
+
+        val generation = requestGeneration
+        _seriesStateLiveData.value = content.copy(isLoadingMore = true, paginationErrorMessage = null)
+        requestSeries(page = content.page + 1, sort = content.selectedSort, generation = generation) { response ->
+            val data = response.data
+            val current = _seriesStateLiveData.value as? CreatorChannelSeriesUiState.Content ?: content
+            if (response.success && data != null) {
+                _seriesStateLiveData.value = current.copy(
+                    series = current.series + data.series.toSeriesItemUiModels(isOwner),
+                    page = data.page,
+                    size = data.size,
+                    hasNext = data.hasNext,
+                    isLoadingMore = false
+                )
+            } else {
+                _seriesStateLiveData.value = current.copy(
+                    isLoadingMore = false,
+                    paginationErrorMessage = response.message
+                )
+            }
+        }
+    }
+
+    fun consumePaginationErrorMessage() {
+        val content = _seriesStateLiveData.value as? CreatorChannelSeriesUiState.Content ?: return
+        if (content.paginationErrorMessage == null) return
+
+        _seriesStateLiveData.value = content.copy(paginationErrorMessage = null)
+    }
+
+    private fun loadFirstPage(sort: ContentSort) {
+        val generation = ++requestGeneration
+        _seriesStateLiveData.value = CreatorChannelSeriesUiState.Loading
+        requestSeries(page = FIRST_PAGE, sort = sort, generation = generation) { response ->
+            val data = response.data
+            if (response.success && data != null) {
+                val series = data.series.toSeriesItemUiModels(isOwner)
+                _seriesStateLiveData.value = if (series.isEmpty() || data.seriesCount == 0) {
+                    CreatorChannelSeriesUiState.Empty
+                } else {
+                    data.toContentState(series = series)
+                }
+            } else {
+                _seriesStateLiveData.value = CreatorChannelSeriesUiState.Error(response.message)
+            }
+        }
+    }
+
+    private fun requestSeries(
+        page: Int,
+        sort: ContentSort,
+        generation: Int,
+        onSuccess: (ApiResponse<CreatorChannelSeriesTabResponse>) -> Unit
+    ) {
+        compositeDisposable.add(
+            repository.getSeries(
+                creatorId = creatorId,
+                page = page,
+                size = DEFAULT_PAGE_SIZE,
+                sort = sort,
+                token = authToken()
+            )
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(
+                    {
+                        if (generation == requestGeneration) {
+                            onSuccess(it)
+                        }
+                    },
+                    {
+                        if (generation != requestGeneration) return@subscribe
+
+                        it.message?.let { message -> Logger.e(message) }
+                        val current = _seriesStateLiveData.value as? CreatorChannelSeriesUiState.Content
+                        _seriesStateLiveData.value = if (current != null && page > FIRST_PAGE) {
+                            current.copy(isLoadingMore = false, paginationErrorMessage = it.message)
+                        } else {
+                            CreatorChannelSeriesUiState.Error(it.message)
+                        }
+                    }
+                )
+        )
+    }
+
+    private fun CreatorChannelSeriesTabResponse.toContentState(
+        series: List<CreatorChannelSeriesItemUiModel>
+    ) = CreatorChannelSeriesUiState.Content(
+        seriesCount = seriesCount,
+        selectedSort = sort,
+        series = series,
+        page = page,
+        size = size,
+        hasNext = hasNext
+    )
+
+    private fun authToken(): String = "Bearer ${SharedPreferenceManager.token}"
+
+    companion object {
+        val DEFAULT_PAGE_SIZE = 20
+        private const val FIRST_PAGE = 0
+    }
+}
+
+sealed interface CreatorChannelSeriesUiState {
+    data object Loading : CreatorChannelSeriesUiState
+    data object Empty : CreatorChannelSeriesUiState
+    data class Error(val message: String?) : CreatorChannelSeriesUiState
+    data class Content(
+        val seriesCount: Int,
+        val selectedSort: ContentSort,
+        val series: List<CreatorChannelSeriesItemUiModel>,
+        val page: Int,
+        val size: Int,
+        val hasNext: Boolean,
+        val isLoadingMore: Boolean = false,
+        val paginationErrorMessage: String? = null
+    ) : CreatorChannelSeriesUiState
+}

app/src/main/java/kr/co/vividnext/sodalive/v2/creator/channel/series/model/CreatorChannelSeriesMappers.kt

@@ -0,0 +1,45 @@
+package kr.co.vividnext.sodalive.v2.creator.channel.series.model
+
+import kr.co.vividnext.sodalive.v2.creator.channel.series.data.CreatorChannelSeriesResponse
+
+private const val BULLET_SEPARATOR = " • "
+private const val STATUS_PROCEEDING = "연재"
+private const val STATUS_COMPLETED = "완결"
+
+fun List<CreatorChannelSeriesResponse>.toSeriesItemUiModels(
+    isOwner: Boolean
+): List<CreatorChannelSeriesItemUiModel> = mapNotNull { it.toSeriesItemUiModel(isOwner) }
+
+private fun CreatorChannelSeriesResponse.toSeriesItemUiModel(isOwner: Boolean): CreatorChannelSeriesItemUiModel? {
+    if (title.isBlank()) return null
+
+    return CreatorChannelSeriesItemUiModel(
+        seriesId = seriesId,
+        title = title,
+        subtitle = subtitle(),
+        coverImageUrl = coverImageUrl,
+        showOriginalTag = isOriginal,
+        showAdultBadge = isAdult,
+        progress = toProgressUiModel(isOwner)
+    )
+}
+
+private fun CreatorChannelSeriesResponse.subtitle(): String = listOfNotNull(
+    publishedDaysOfWeek?.takeIf { it.isNotBlank() },
+    "총 ${contentCount}화",
+    if (isProceeding) STATUS_PROCEEDING else STATUS_COMPLETED
+).joinToString(BULLET_SEPARATOR)
+
+private fun CreatorChannelSeriesResponse.toProgressUiModel(isOwner: Boolean): CreatorChannelSeriesProgressUiModel? {
+    if (isOwner) return null
+    val purchasedCount = purchasedContentCount ?: return null
+    val paidCount = paidContentCount ?: return null
+    val ratePercent = purchasedPaidContentRate ?: return null
+
+    return CreatorChannelSeriesProgressUiModel(
+        purchasedCount = purchasedCount,
+        paidCount = paidCount,
+        ratePercent = ratePercent,
+        progressScale = (ratePercent / 100f).toFloat().coerceIn(0f, 1f)
+    )
+}

app/src/main/java/kr/co/vividnext/sodalive/v2/creator/channel/series/model/CreatorChannelSeriesUiModels.kt

@@ -0,0 +1,18 @@
+package kr.co.vividnext.sodalive.v2.creator.channel.series.model
+
+data class CreatorChannelSeriesItemUiModel(
+    val seriesId: Long,
+    val title: String,
+    val subtitle: String,
+    val coverImageUrl: String?,
+    val showOriginalTag: Boolean,
+    val showAdultBadge: Boolean,
+    val progress: CreatorChannelSeriesProgressUiModel?
+)
+
+data class CreatorChannelSeriesProgressUiModel(
+    val purchasedCount: Int,
+    val paidCount: Int,
+    val ratePercent: Double,
+    val progressScale: Float
+)

app/src/test/java/kr/co/vividnext/sodalive/v2/creator/channel/series/CreatorChannelSeriesMapperTest.kt

@@ -0,0 +1,126 @@
+package kr.co.vividnext.sodalive.v2.creator.channel.series
+
+import kr.co.vividnext.sodalive.v2.creator.channel.series.data.CreatorChannelSeriesResponse
+import kr.co.vividnext.sodalive.v2.creator.channel.series.model.CreatorChannelSeriesProgressUiModel
+import kr.co.vividnext.sodalive.v2.creator.channel.series.model.toSeriesItemUiModels
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertNull
+import org.junit.Assert.assertTrue
+import org.junit.Test
+
+class CreatorChannelSeriesMapperTest {
+
+    @Test
+    fun `isProceeding true이면 subtitle에 연재가 포함된다`() {
+        val item = listOf(series(isProceeding = true)).toSeriesItemUiModels(isOwner = false).single()
+
+        assertTrue(item.subtitle.contains("연재"))
+    }
+
+    @Test
+    fun `isProceeding false이면 subtitle에 완결이 포함된다`() {
+        val item = listOf(series(isProceeding = false)).toSeriesItemUiModels(isOwner = false).single()
+
+        assertTrue(item.subtitle.contains("완결"))
+    }
+
+    @Test
+    fun `publishedDaysOfWeek contentCount 진행 상태를 bullet 형식으로 조합한다`() {
+        val item = listOf(
+            series(publishedDaysOfWeek = "매주 월", contentCount = 45, isProceeding = true)
+        ).toSeriesItemUiModels(isOwner = false).single()
+
+        assertEquals("매주 월 • 총 45화 • 연재", item.subtitle)
+    }
+
+    @Test
+    fun `publishedDaysOfWeek가 blank이면 빈 bullet 없이 조합한다`() {
+        val item = listOf(
+            series(publishedDaysOfWeek = " ", contentCount = 45, isProceeding = true)
+        ).toSeriesItemUiModels(isOwner = false).single()
+
+        assertEquals("총 45화 • 연재", item.subtitle)
+    }
+
+    @Test
+    fun `original과 adult flag를 item 표시 flag로 매핑한다`() {
+        val item = listOf(series(isOriginal = true, isAdult = true)).toSeriesItemUiModels(isOwner = false).single()
+
+        assertTrue(item.showOriginalTag)
+        assertTrue(item.showAdultBadge)
+    }
+
+    @Test
+    fun `내 채널이면 progress가 생성되지 않는다`() {
+        val item = listOf(series()).toSeriesItemUiModels(isOwner = true).single()
+
+        assertNull(item.progress)
+    }
+
+    @Test
+    fun `내 채널이 아니고 progress nullable field가 모두 있으면 progress가 생성된다`() {
+        val item = listOf(
+            series(purchasedContentCount = 12, paidContentCount = 45, purchasedPaidContentRate = 40.0)
+        ).toSeriesItemUiModels(isOwner = false).single()
+
+        assertEquals(CreatorChannelSeriesProgressUiModel(12, 45, 40.0, 0.4f), item.progress)
+    }
+
+    @Test
+    fun `내 채널이 아니어도 progress nullable field 중 하나라도 null이면 progress가 null이다`() {
+        val items = listOf(
+            series(seriesId = 1L, purchasedContentCount = null, paidContentCount = 45, purchasedPaidContentRate = 40.0),
+            series(seriesId = 2L, purchasedContentCount = 12, paidContentCount = null, purchasedPaidContentRate = 40.0),
+            series(seriesId = 3L, purchasedContentCount = 12, paidContentCount = 45, purchasedPaidContentRate = null)
+        ).toSeriesItemUiModels(isOwner = false)
+
+        assertEquals(listOf(null, null, null), items.map { it.progress })
+    }
+
+    @Test
+    fun `rate가 0 미만이면 progressScale은 0으로 clamp된다`() {
+        val item = listOf(series(purchasedPaidContentRate = -10.0)).toSeriesItemUiModels(isOwner = false).single()
+
+        assertEquals(0f, item.progress?.progressScale)
+    }
+
+    @Test
+    fun `rate가 100 초과이면 progressScale은 1로 clamp된다`() {
+        val item = listOf(series(purchasedPaidContentRate = 120.0)).toSeriesItemUiModels(isOwner = false).single()
+
+        assertEquals(1f, item.progress?.progressScale)
+    }
+
+    @Test
+    fun `title이 blank이면 표시 가능한 item에서 제외한다`() {
+        val items = listOf(series(title = " ")).toSeriesItemUiModels(isOwner = false)
+
+        assertTrue(items.isEmpty())
+    }
+
+    private fun series(
+        seriesId: Long = 1L,
+        title: String = "시리즈",
+        coverImageUrl: String? = "https://example.com/series.png",
+        publishedDaysOfWeek: String? = "매주 월",
+        contentCount: Int = 45,
+        isProceeding: Boolean = true,
+        isOriginal: Boolean = false,
+        isAdult: Boolean = false,
+        purchasedContentCount: Int? = 12,
+        paidContentCount: Int? = 45,
+        purchasedPaidContentRate: Double? = 40.0
+    ) = CreatorChannelSeriesResponse(
+        seriesId = seriesId,
+        title = title,
+        coverImageUrl = coverImageUrl,
+        publishedDaysOfWeek = publishedDaysOfWeek,
+        contentCount = contentCount,
+        isProceeding = isProceeding,
+        isOriginal = isOriginal,
+        isAdult = isAdult,
+        purchasedContentCount = purchasedContentCount,
+        paidContentCount = paidContentCount,
+        purchasedPaidContentRate = purchasedPaidContentRate
+    )
+}

app/src/test/java/kr/co/vividnext/sodalive/v2/creator/channel/series/CreatorChannelSeriesPaginationTest.kt

@@ -0,0 +1,240 @@
+package kr.co.vividnext.sodalive.v2.creator.channel.series
+
+import android.app.Application
+import android.content.Context
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.Observer
+import androidx.test.core.app.ApplicationProvider
+import io.reactivex.rxjava3.android.plugins.RxAndroidPlugins
+import io.reactivex.rxjava3.core.Scheduler
+import io.reactivex.rxjava3.core.Single
+import io.reactivex.rxjava3.plugins.RxJavaPlugins
+import io.reactivex.rxjava3.schedulers.Schedulers
+import io.reactivex.rxjava3.subjects.SingleSubject
+import kr.co.vividnext.sodalive.common.ApiResponse
+import kr.co.vividnext.sodalive.common.SharedPreferenceManager
+import kr.co.vividnext.sodalive.v2.common.data.ContentSort
+import kr.co.vividnext.sodalive.v2.creator.channel.data.CreatorChannelRepository
+import kr.co.vividnext.sodalive.v2.creator.channel.series.data.CreatorChannelSeriesResponse
+import kr.co.vividnext.sodalive.v2.creator.channel.series.data.CreatorChannelSeriesTabResponse
+import org.junit.After
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertFalse
+import org.junit.Assert.assertTrue
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.kotlin.times
+import org.mockito.kotlin.verify
+import org.mockito.kotlin.whenever
+import org.robolectric.RobolectricTestRunner
+import org.robolectric.annotation.Config
+
+@RunWith(RobolectricTestRunner::class)
+@Config(sdk = [28], application = Application::class)
+class CreatorChannelSeriesPaginationTest {
+
+    private val context: Context = ApplicationProvider.getApplicationContext()
+    private lateinit var repository: CreatorChannelRepository
+    private lateinit var viewModel: CreatorChannelSeriesViewModel
+
+    @Before
+    fun setUp() {
+        setImmediateRxSchedulers()
+        SharedPreferenceManager.resetForTest()
+        SharedPreferenceManager.init(context)
+        SharedPreferenceManager.token = "test-token"
+        repository = org.mockito.kotlin.mock()
+        viewModel = CreatorChannelSeriesViewModel(repository)
+    }
+
+    @After
+    fun tearDown() {
+        RxJavaPlugins.reset()
+        RxAndroidPlugins.reset()
+        SharedPreferenceManager.resetForTest()
+    }
+
+    @Test
+    fun `hasNext가 true이면 다음 페이지는 마지막 성공 응답의 page plus 1로 요청하고 append한다`() {
+        stubGetSeries(
+            page = 0,
+            response = Single.just(
+                ApiResponse(true, seriesResponse(0, ids = listOf(1L), hasNext = true), null)
+            )
+        )
+        stubGetSeries(
+            page = 1,
+            response = Single.just(
+                ApiResponse(true, seriesResponse(1, ids = listOf(2L), hasNext = false), null)
+            )
+        )
+        viewModel.loadSeries(100L, isOwner = false)
+
+        viewModel.loadMore()
+
+        val state = viewModel.seriesStateLiveData.requireValue() as CreatorChannelSeriesUiState.Content
+        assertEquals(1, state.page)
+        assertEquals(listOf(1L, 2L), state.series.map { it.seriesId })
+        assertFalse(state.hasNext)
+        verifyGetSeries(page = 1)
+    }
+
+    @Test
+    fun `다음 페이지 로딩 중 중복 load-more 요청은 막는다`() {
+        val pending = SingleSubject.create<ApiResponse<CreatorChannelSeriesTabResponse>>()
+        stubGetSeries(
+            page = 0,
+            response = Single.just(
+                ApiResponse(true, seriesResponse(0, ids = listOf(1L), hasNext = true), null)
+            )
+        )
+        stubGetSeries(page = 1, response = pending)
+        viewModel.loadSeries(100L, isOwner = false)
+
+        viewModel.loadMore()
+        viewModel.loadMore()
+
+        val loadingState = viewModel.seriesStateLiveData.requireValue() as CreatorChannelSeriesUiState.Content
+        assertTrue(loadingState.isLoadingMore)
+        verifyGetSeries(page = 1, times = 1)
+        pending.onSuccess(
+            ApiResponse(true, seriesResponse(1, ids = listOf(2L), hasNext = false), null)
+        )
+    }
+
+    @Test
+    fun `다음 페이지 실패는 기존 목록을 유지하고 pagination error를 표시한다`() {
+        stubGetSeries(
+            page = 0,
+            response = Single.just(
+                ApiResponse(true, seriesResponse(0, ids = listOf(1L), hasNext = true), null)
+            )
+        )
+        stubGetSeries(page = 1, response = Single.just(ApiResponse(false, null, "failed")))
+        viewModel.loadSeries(100L, isOwner = false)
+
+        viewModel.loadMore()
+
+        val state = viewModel.seriesStateLiveData.requireValue() as CreatorChannelSeriesUiState.Content
+        assertEquals(listOf(1L), state.series.map { it.seriesId })
+        assertFalse(state.isLoadingMore)
+        assertEquals("failed", state.paginationErrorMessage)
+    }
+
+    @Test
+    fun `pagination error message는 표시 후 clear된다`() {
+        stubGetSeries(
+            page = 0,
+            response = Single.just(
+                ApiResponse(true, seriesResponse(0, ids = listOf(1L), hasNext = true), null)
+            )
+        )
+        stubGetSeries(page = 1, response = Single.just(ApiResponse(false, null, "failed")))
+        viewModel.loadSeries(100L, isOwner = false)
+        viewModel.loadMore()
+
+        viewModel.consumePaginationErrorMessage()
+
+        val state = viewModel.seriesStateLiveData.requireValue() as CreatorChannelSeriesUiState.Content
+        assertEquals(null, state.paginationErrorMessage)
+    }
+
+    @Test
+    fun `이전 load-more 응답은 이후 정렬 변경 목록에 append되지 않는다`() {
+        val nextPagePending = SingleSubject.create<ApiResponse<CreatorChannelSeriesTabResponse>>()
+        stubGetSeries(
+            page = 0,
+            response = Single.just(
+                ApiResponse(true, seriesResponse(0, ids = listOf(1L), hasNext = true), null)
+            )
+        )
+        stubGetSeries(page = 1, response = nextPagePending)
+        stubGetSeries(
+            page = 0,
+            sort = ContentSort.POPULAR,
+            response = Single.just(
+                ApiResponse(
+                    true,
+                    seriesResponse(0, sort = ContentSort.POPULAR, ids = listOf(10L), hasNext = false),
+                    null
+                )
+            )
+        )
+        viewModel.loadSeries(100L, isOwner = false)
+
+        viewModel.loadMore()
+        viewModel.changeSort(ContentSort.POPULAR)
+        nextPagePending.onSuccess(
+            ApiResponse(true, seriesResponse(1, ids = listOf(2L), hasNext = false), null)
+        )
+
+        val state = viewModel.seriesStateLiveData.requireValue() as CreatorChannelSeriesUiState.Content
+        assertEquals(ContentSort.POPULAR, state.selectedSort)
+        assertEquals(listOf(10L), state.series.map { it.seriesId })
+    }
+
+    private fun stubGetSeries(
+        page: Int,
+        sort: ContentSort = ContentSort.LATEST,
+        response: Single<ApiResponse<CreatorChannelSeriesTabResponse>>
+    ) {
+        whenever(
+            repository.getSeries(
+                100L,
+                page,
+                CreatorChannelSeriesViewModel.DEFAULT_PAGE_SIZE,
+                sort,
+                "Bearer test-token"
+            )
+        ).thenReturn(response)
+    }
+
+    private fun verifyGetSeries(page: Int, sort: ContentSort = ContentSort.LATEST, times: Int? = null) {
+        val verification = times?.let { verify(repository, times(it)) } ?: verify(repository)
+        verification.getSeries(100L, page, CreatorChannelSeriesViewModel.DEFAULT_PAGE_SIZE, sort, "Bearer test-token")
+    }
+
+    private fun setImmediateRxSchedulers() {
+        val trampoline = { _: Scheduler -> Schedulers.trampoline() }
+        RxJavaPlugins.setIoSchedulerHandler(trampoline)
+        RxAndroidPlugins.setInitMainThreadSchedulerHandler { Schedulers.trampoline() }
+        RxAndroidPlugins.setMainThreadSchedulerHandler { Schedulers.trampoline() }
+    }
+
+    private fun seriesResponse(
+        page: Int,
+        sort: ContentSort = ContentSort.LATEST,
+        ids: List<Long>,
+        hasNext: Boolean
+    ) = CreatorChannelSeriesTabResponse(
+        seriesCount = ids.size,
+        series = ids.map { series(it) },
+        sort = sort,
+        page = page,
+        size = CreatorChannelSeriesViewModel.DEFAULT_PAGE_SIZE,
+        hasNext = hasNext
+    )
+
+    private fun series(id: Long) = CreatorChannelSeriesResponse(
+        seriesId = id,
+        title = "시리즈 $id",
+        coverImageUrl = null,
+        publishedDaysOfWeek = "매주 월",
+        contentCount = 45,
+        isProceeding = true,
+        isOriginal = false,
+        isAdult = false,
+        purchasedContentCount = 12,
+        paidContentCount = 45,
+        purchasedPaidContentRate = 40.0
+    )
+
+    private fun <T> LiveData<T>.requireValue(): T? {
+        var value: T? = null
+        val observer = Observer<T> { value = it }
+        observeForever(observer)
+        removeObserver(observer)
+        return value
+    }
+}

app/src/test/java/kr/co/vividnext/sodalive/v2/creator/channel/series/CreatorChannelSeriesViewModelTest.kt

@@ -0,0 +1,220 @@
+package kr.co.vividnext.sodalive.v2.creator.channel.series
+
+import android.app.Application
+import android.content.Context
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.Observer
+import androidx.test.core.app.ApplicationProvider
+import io.reactivex.rxjava3.android.plugins.RxAndroidPlugins
+import io.reactivex.rxjava3.core.Scheduler
+import io.reactivex.rxjava3.core.Single
+import io.reactivex.rxjava3.plugins.RxJavaPlugins
+import io.reactivex.rxjava3.schedulers.Schedulers
+import kr.co.vividnext.sodalive.common.ApiResponse
+import kr.co.vividnext.sodalive.common.SharedPreferenceManager
+import kr.co.vividnext.sodalive.v2.common.data.ContentSort
+import kr.co.vividnext.sodalive.v2.creator.channel.data.CreatorChannelRepository
+import kr.co.vividnext.sodalive.v2.creator.channel.series.data.CreatorChannelSeriesResponse
+import kr.co.vividnext.sodalive.v2.creator.channel.series.data.CreatorChannelSeriesTabResponse
+import org.junit.After
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertNull
+import org.junit.Assert.assertTrue
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.kotlin.any
+import org.mockito.kotlin.never
+import org.mockito.kotlin.times
+import org.mockito.kotlin.verify
+import org.mockito.kotlin.whenever
+import org.robolectric.RobolectricTestRunner
+import org.robolectric.annotation.Config
+
+@RunWith(RobolectricTestRunner::class)
+@Config(sdk = [28], application = Application::class)
+class CreatorChannelSeriesViewModelTest {
+
+    private val context: Context = ApplicationProvider.getApplicationContext()
+    private lateinit var repository: CreatorChannelRepository
+    private lateinit var viewModel: CreatorChannelSeriesViewModel
+
+    @Before
+    fun setUp() {
+        setImmediateRxSchedulers()
+        SharedPreferenceManager.resetForTest()
+        SharedPreferenceManager.init(context)
+        SharedPreferenceManager.token = "test-token"
+        repository = org.mockito.kotlin.mock()
+        viewModel = CreatorChannelSeriesViewModel(repository)
+    }
+
+    @After
+    fun tearDown() {
+        RxJavaPlugins.reset()
+        RxAndroidPlugins.reset()
+        SharedPreferenceManager.resetForTest()
+    }
+
+    @Test
+    fun `최초 로드는 page 0 size 20 최신순으로 시리즈 API를 호출하고 Content를 emit한다`() {
+        stubGetSeries(response = Single.just(ApiResponse(true, seriesResponse(), null)))
+
+        viewModel.loadSeries(100L, isOwner = false)
+
+        val state = viewModel.seriesStateLiveData.requireValue() as CreatorChannelSeriesUiState.Content
+        assertEquals(ContentSort.LATEST, state.selectedSort)
+        assertEquals(0, state.page)
+        assertEquals(listOf(1L), state.series.map { it.seriesId })
+        verifyGetSeries()
+    }
+
+    @Test
+    fun `정렬 변경은 page 0과 선택 sort로 재조회한다`() {
+        stubGetSeries(response = Single.just(ApiResponse(true, seriesResponse(ids = listOf(1L)), null)))
+        stubGetSeries(
+            sort = ContentSort.POPULAR,
+            response = Single.just(ApiResponse(true, seriesResponse(sort = ContentSort.POPULAR, ids = listOf(2L)), null))
+        )
+        viewModel.loadSeries(100L, isOwner = false)
+
+        viewModel.changeSort(ContentSort.POPULAR)
+
+        val state = viewModel.seriesStateLiveData.requireValue() as CreatorChannelSeriesUiState.Content
+        assertEquals(ContentSort.POPULAR, state.selectedSort)
+        assertEquals(listOf(2L), state.series.map { it.seriesId })
+        verifyGetSeries(sort = ContentSort.POPULAR)
+    }
+
+    @Test
+    fun `같은 정렬을 다시 선택하면 API를 재호출하지 않는다`() {
+        stubGetSeries(response = Single.just(ApiResponse(true, seriesResponse(), null)))
+        viewModel.loadSeries(100L, isOwner = false)
+
+        viewModel.changeSort(ContentSort.LATEST)
+
+        verifyGetSeries(times = 1)
+    }
+
+    @Test
+    fun `seriesCount가 0이면 Empty를 emit한다`() {
+        stubGetSeries(response = Single.just(ApiResponse(true, seriesResponse(seriesCount = 0, ids = listOf(1L)), null)))
+
+        viewModel.loadSeries(100L, isOwner = false)
+
+        assertTrue(viewModel.seriesStateLiveData.requireValue() is CreatorChannelSeriesUiState.Empty)
+    }
+
+    @Test
+    fun `표시 가능한 series가 0개이면 Empty를 emit한다`() {
+        stubGetSeries(response = Single.just(ApiResponse(true, seriesResponse(blankTitleIds = setOf(1L)), null)))
+
+        viewModel.loadSeries(100L, isOwner = false)
+        assertTrue(viewModel.seriesStateLiveData.requireValue() is CreatorChannelSeriesUiState.Empty)
+    }
+
+    @Test
+    fun `내 채널이면 item progress가 null이다`() {
+        stubGetSeries(response = Single.just(ApiResponse(true, seriesResponse(), null)))
+
+        viewModel.loadSeries(100L, isOwner = true)
+
+        val state = viewModel.seriesStateLiveData.requireValue() as CreatorChannelSeriesUiState.Content
+        assertNull(state.series.single().progress)
+    }
+
+    @Test
+    fun `내 채널이 아니고 progress nullable field가 모두 있으면 progress가 생성된다`() {
+        stubGetSeries(response = Single.just(ApiResponse(true, seriesResponse(), null)))
+
+        viewModel.loadSeries(100L, isOwner = false)
+
+        val state = viewModel.seriesStateLiveData.requireValue() as CreatorChannelSeriesUiState.Content
+        assertEquals(12, state.series.single().progress?.purchasedCount)
+        assertEquals(45, state.series.single().progress?.paidCount)
+        assertEquals(40.0, state.series.single().progress?.ratePercent)
+    }
+
+    @Test
+    fun `creatorId가 0 이하이면 시리즈 API를 호출하지 않는다`() {
+        viewModel.loadSeries(0L, isOwner = false)
+
+        verify(repository, never()).getSeries(any(), any(), any(), any(), any())
+    }
+
+    private fun stubGetSeries(
+        page: Int = 0,
+        sort: ContentSort = ContentSort.LATEST,
+        response: Single<ApiResponse<CreatorChannelSeriesTabResponse>>
+    ) {
+        whenever(
+            repository.getSeries(
+                100L,
+                page,
+                CreatorChannelSeriesViewModel.DEFAULT_PAGE_SIZE,
+                sort,
+                "Bearer test-token"
+            )
+        ).thenReturn(response)
+    }
+
+    private fun verifyGetSeries(
+        page: Int = 0,
+        sort: ContentSort = ContentSort.LATEST,
+        times: Int? = null
+    ) {
+        val verification = times?.let { verify(repository, times(it)) } ?: verify(repository)
+        verification.getSeries(
+            100L,
+            page,
+            CreatorChannelSeriesViewModel.DEFAULT_PAGE_SIZE,
+            sort,
+            "Bearer test-token"
+        )
+    }
+
+    private fun setImmediateRxSchedulers() {
+        val trampoline = { _: Scheduler -> Schedulers.trampoline() }
+        RxJavaPlugins.setIoSchedulerHandler(trampoline)
+        RxAndroidPlugins.setInitMainThreadSchedulerHandler { Schedulers.trampoline() }
+        RxAndroidPlugins.setMainThreadSchedulerHandler { Schedulers.trampoline() }
+    }
+
+    private fun seriesResponse(
+        page: Int = 0,
+        sort: ContentSort = ContentSort.LATEST,
+        seriesCount: Int? = null,
+        ids: List<Long> = listOf(1L),
+        hasNext: Boolean = false,
+        blankTitleIds: Set<Long> = emptySet()
+    ) = CreatorChannelSeriesTabResponse(
+        seriesCount = seriesCount ?: ids.size,
+        series = ids.map { series(it, title = if (it in blankTitleIds) " " else "시리즈 $it") },
+        sort = sort,
+        page = page,
+        size = CreatorChannelSeriesViewModel.DEFAULT_PAGE_SIZE,
+        hasNext = hasNext
+    )
+
+    private fun series(id: Long, title: String = "시리즈 $id") = CreatorChannelSeriesResponse(
+        seriesId = id,
+        title = title,
+        coverImageUrl = null,
+        publishedDaysOfWeek = "매주 월",
+        contentCount = 45,
+        isProceeding = true,
+        isOriginal = false,
+        isAdult = false,
+        purchasedContentCount = 12,
+        paidContentCount = 45,
+        purchasedPaidContentRate = 40.0
+    )
+
+    private fun <T> LiveData<T>.requireValue(): T? {
+        var value: T? = null
+        val observer = Observer<T> { value = it }
+        observeForever(observer)
+        removeObserver(observer)
+        return value
+    }
+}