Timeline paging (#2238)

* first setup

* network timeline paging / improvements

* rename classes / move to correct package

* remove unused class TimelineAdapter

* some code cleanup

* remove TimelineRepository, put mapper functions in TimelineTypeMappers.kt

* add db migration

* cleanup unused code

* bugfix

* make default timeline settings work again

* fix pinning statuses from timeline

* fix network timeline

* respect account settings in NetworkTimelineRemoteMediator

* respect account settings in NetworkTimelineRemoteMediator

* update license headers

* show error view when an error occurs

* cleanup some todos

* fix db migration

* fix changing mediaPreviewEnabled setting

* fix "load more" button appearing on top of timeline

* fix filtering and other bugs

* cleanup cache after 14 days

* fix TimelineDAOTest

* fix code formatting

* add NetworkTimeline unit tests

* add CachedTimeline unit tests

* fix code formatting

* move TimelineDaoTest to unit tests

* implement removeAllByInstance for CachedTimelineViewModel

* fix code formatting

* fix bug in TimelineDao.deleteAllFromInstance

* improve loading more statuses in NetworkTimelineViewModel

* improve loading more statuses in NetworkTimelineViewModel

* fix bug where empty state was shown too soon

* reload top of cached timeline on app start

* improve CachedTimelineRemoteMediator and Tests

* improve cached timeline tests

* fix some more todos

* implement TimelineFragment.removeItem

* fix ListStatusAccessibilityDelegate

* fix crash in NetworkTimelineViewModel.loadMore

* fix default state of collapsible statuses

* fix default state of collapsible statuses -tests

* fix showing/hiding media in the timeline

* get rid of some not-null assertion operators in TimelineTypeMappers

* fix tests

* error handling in CachedTimelineViewModel.loadMore

* keep local status state when refreshing cached statuses

* keep local status state when refreshing network timeline statuses

* show placeholder loading state in cached timeline

* better comments, some code cleanup

* add TimelineViewModelTest, improve code, fix bug

* fix ktlint

* fix voting in boosted polls

* code improvement
This commit is contained in:
Konrad Pozniak 2022-01-11 19:00:29 +01:00 committed by GitHub
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package com.keylesspalace.tusky
import androidx.room.Room
import androidx.test.ext.junit.runners.AndroidJUnit4
import androidx.test.platform.app.InstrumentationRegistry
import com.keylesspalace.tusky.components.timeline.TimelineRepository
import com.keylesspalace.tusky.db.AppDatabase
import com.keylesspalace.tusky.db.TimelineAccountEntity
import com.keylesspalace.tusky.db.TimelineDao
import com.keylesspalace.tusky.db.TimelineStatusEntity
import com.keylesspalace.tusky.db.TimelineStatusWithAccount
import com.keylesspalace.tusky.entity.Status
import org.junit.After
import org.junit.Assert.assertEquals
import org.junit.Assert.assertNull
import org.junit.Before
import org.junit.Test
import org.junit.runner.RunWith
@RunWith(AndroidJUnit4::class)
class TimelineDAOTest {
private lateinit var timelineDao: TimelineDao
private lateinit var db: AppDatabase
@Before
fun createDb() {
val context = InstrumentationRegistry.getInstrumentation().targetContext
db = Room.inMemoryDatabaseBuilder(context, AppDatabase::class.java).build()
timelineDao = db.timelineDao()
}
@After
fun closeDb() {
db.close()
}
@Test
fun insertGetStatus() {
val setOne = makeStatus(statusId = 3)
val setTwo = makeStatus(statusId = 20, reblog = true)
val ignoredOne = makeStatus(statusId = 1)
val ignoredTwo = makeStatus(accountId = 2)
for ((status, author, reblogger) in listOf(setOne, setTwo, ignoredOne, ignoredTwo)) {
timelineDao.insertInTransaction(status, author, reblogger)
}
val resultsFromDb = timelineDao.getStatusesForAccount(
setOne.first.timelineUserId,
maxId = "21", sinceId = ignoredOne.first.serverId, limit = 10
)
.blockingGet()
assertEquals(2, resultsFromDb.size)
for ((set, fromDb) in listOf(setTwo, setOne).zip(resultsFromDb)) {
val (status, author, reblogger) = set
assertEquals(status, fromDb.status)
assertEquals(author, fromDb.account)
assertEquals(reblogger, fromDb.reblogAccount)
}
}
@Test
fun doNotOverwrite() {
val (status, author) = makeStatus()
timelineDao.insertInTransaction(status, author, null)
val placeholder = createPlaceholder(status.serverId, status.timelineUserId)
timelineDao.insertStatusIfNotThere(placeholder)
val fromDb = timelineDao.getStatusesForAccount(status.timelineUserId, null, null, 10)
.blockingGet()
val result = fromDb.first()
assertEquals(1, fromDb.size)
assertEquals(author, result.account)
assertEquals(status, result.status)
assertNull(result.reblogAccount)
}
@Test
fun cleanup() {
val now = System.currentTimeMillis()
val oldDate = now - TimelineRepository.CLEANUP_INTERVAL - 20_000
val oldThisAccount = makeStatus(
statusId = 5,
createdAt = oldDate
)
val oldAnotherAccount = makeStatus(
statusId = 10,
createdAt = oldDate,
accountId = 2
)
val recentThisAccount = makeStatus(
statusId = 30,
createdAt = System.currentTimeMillis()
)
val recentAnotherAccount = makeStatus(
statusId = 60,
createdAt = System.currentTimeMillis(),
accountId = 2
)
for ((status, author, reblogAuthor) in listOf(oldThisAccount, oldAnotherAccount, recentThisAccount, recentAnotherAccount)) {
timelineDao.insertInTransaction(status, author, reblogAuthor)
}
timelineDao.cleanup(now - TimelineRepository.CLEANUP_INTERVAL)
assertEquals(
listOf(recentThisAccount),
timelineDao.getStatusesForAccount(1, null, null, 100).blockingGet()
.map { it.toTriple() }
)
assertEquals(
listOf(recentAnotherAccount),
timelineDao.getStatusesForAccount(2, null, null, 100).blockingGet()
.map { it.toTriple() }
)
}
@Test
fun overwriteDeletedStatus() {
val oldStatuses = listOf(
makeStatus(statusId = 3),
makeStatus(statusId = 2),
makeStatus(statusId = 1)
)
timelineDao.deleteRange(1, oldStatuses.last().first.serverId, oldStatuses.first().first.serverId)
for ((status, author, reblogAuthor) in oldStatuses) {
timelineDao.insertInTransaction(status, author, reblogAuthor)
}
// status 2 gets deleted, newly loaded status contain only 1 + 3
val newStatuses = listOf(
makeStatus(statusId = 3),
makeStatus(statusId = 1)
)
timelineDao.deleteRange(1, newStatuses.last().first.serverId, newStatuses.first().first.serverId)
for ((status, author, reblogAuthor) in newStatuses) {
timelineDao.insertInTransaction(status, author, reblogAuthor)
}
// make sure status 2 is no longer in db
assertEquals(
newStatuses,
timelineDao.getStatusesForAccount(1, null, null, 100).blockingGet()
.map { it.toTriple() }
)
}
private fun makeStatus(
accountId: Long = 1,
statusId: Long = 10,
reblog: Boolean = false,
createdAt: Long = statusId,
authorServerId: String = "20"
): Triple<TimelineStatusEntity, TimelineAccountEntity, TimelineAccountEntity?> {
val author = TimelineAccountEntity(
authorServerId,
accountId,
"localUsername",
"username",
"displayName",
"blah",
"avatar",
"[\"tusky\": \"http://tusky.cool/emoji.jpg\"]",
false
)
val reblogAuthor = if (reblog) {
TimelineAccountEntity(
"R$authorServerId",
accountId,
"RlocalUsername",
"Rusername",
"RdisplayName",
"Rblah",
"Ravatar",
"[]",
false
)
} else null
val even = accountId % 2 == 0L
val status = TimelineStatusEntity(
serverId = statusId.toString(),
url = "url$statusId",
timelineUserId = accountId,
authorServerId = authorServerId,
inReplyToId = "inReplyToId$statusId",
inReplyToAccountId = "inReplyToAccountId$statusId",
content = "Content!$statusId",
createdAt = createdAt,
emojis = "emojis$statusId",
reblogsCount = 1 * statusId.toInt(),
favouritesCount = 2 * statusId.toInt(),
reblogged = even,
favourited = !even,
bookmarked = false,
sensitive = even,
spoilerText = "spoier$statusId",
visibility = Status.Visibility.PRIVATE,
attachments = "attachments$accountId",
mentions = "mentions$accountId",
application = "application$accountId",
reblogServerId = if (reblog) (statusId * 100).toString() else null,
reblogAccountId = reblogAuthor?.serverId,
poll = null,
muted = false
)
return Triple(status, author, reblogAuthor)
}
private fun createPlaceholder(serverId: String, timelineUserId: Long): TimelineStatusEntity {
return TimelineStatusEntity(
serverId = serverId,
url = null,
timelineUserId = timelineUserId,
authorServerId = null,
inReplyToId = null,
inReplyToAccountId = null,
content = null,
createdAt = 0L,
emojis = null,
reblogsCount = 0,
favouritesCount = 0,
reblogged = false,
favourited = false,
bookmarked = false,
sensitive = false,
spoilerText = null,
visibility = null,
attachments = null,
mentions = null,
application = null,
reblogServerId = null,
reblogAccountId = null,
poll = null,
muted = false
)
}
private fun TimelineStatusWithAccount.toTriple() = Triple(status, account, reblogAccount)
}