test(home): HomeActionMapperTest (JVM) + HomeContentRenderSmokeTest (instrumented)
Part 3 of the Home refactor. Adds the durable coverage the plan called for: - HomeActionMapperTest: 12 JVM cases over the lifted pure mapper (refresh states, withHomeActions pairing/daily/loading/error paths, toHomeLabel mc-drop, secondary cap of 3, C-HOME-001 primary/pending dedup) — locks the extraction as faithful. - HomeContentRenderSmokeTest: instrumented render net for Home (via the VM-free PairedHomePreviewScreen), light + dark — catches 'composes fine, crashes on first paint'. Runs on a THROWAWAY only (uninstalls app-under-test). JVM test green; androidTest compiles. Fills the 'Home has no UI test' gap. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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package app.closer.ui.home
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import androidx.compose.ui.test.assertIsDisplayed
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import androidx.compose.ui.test.junit4.createComposeRule
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import androidx.compose.ui.test.onNodeWithText
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import androidx.test.ext.junit.runners.AndroidJUnit4
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import app.closer.ui.theme.CloserTheme
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import org.junit.Rule
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import org.junit.Test
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import org.junit.runner.RunWith
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/**
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* Instrumented render smoke for the Home screen — the on-device net for the "composes fine, crashes
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* on first paint" class that JVM unit tests and static scanners can't catch. Created alongside the
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* HomeScreen decomposition (1921 -> 614 lines across ui/home/components/*) so any future extraction
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* or @Immutable change that breaks Home rendering is caught.
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*
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* Renders the self-contained, VM-free `PairedHomePreviewScreen` (which builds demo HomeUiState and
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* calls the private HomeContent) — a successful render exercises HomeContent + every extracted
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* cluster (header, status strip, primary card, action feed, pending, category grid). Both light and
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* dark are covered (Home has decoupled theme art + per-theme colors).
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*
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* ⛔ Run on a THROWAWAY emulator only — connectedDebugAndroidTest uninstalls the app-under-test,
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* which WIPES fixture data. Never run against the 5554/5556 fixture couple.
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* ANDROID_SERIAL=emulator-5558 ./gradlew :app:connectedDebugAndroidTest
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*/
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@RunWith(AndroidJUnit4::class)
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class HomeContentRenderSmokeTest {
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@get:Rule
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val composeRule = createComposeRule()
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@Test
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fun pairedHome_rendersHeaderAndStatusStrip_light() {
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composeRule.setContent {
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CloserTheme(darkTheme = false) { PairedHomePreviewScreen() }
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}
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composeRule.onNodeWithText("For tonight").assertIsDisplayed() // HomeHeader
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composeRule.onNodeWithText("Just for two").assertIsDisplayed() // HomeStatusStrip
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}
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@Test
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fun pairedHome_rendersHeader_dark() {
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composeRule.setContent {
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CloserTheme(darkTheme = true) { PairedHomePreviewScreen() }
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}
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composeRule.onNodeWithText("For tonight").assertIsDisplayed()
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}
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@Test
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fun pairedHome_rendersUnansweredDailyCard() {
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composeRule.setContent {
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CloserTheme(darkTheme = false) {
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PairedHomePreviewScreen(dailyQuestionState = DailyQuestionState.UNANSWERED)
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}
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}
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// The unanswered primary daily card (PrimaryHomeActionCard) CTA.
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composeRule.onNodeWithText("Answer privately").assertIsDisplayed()
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}
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}
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package app.closer.ui.home
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import app.closer.domain.model.LocalAnswer
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import app.closer.domain.model.Question
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import org.junit.Assert.assertEquals
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import org.junit.Assert.assertFalse
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import org.junit.Assert.assertNull
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import org.junit.Assert.assertTrue
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import org.junit.Test
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/**
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* Characterization tests for the pure Home action mapper (HomeActionMapper.kt), locking in the
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* behavior lifted out of HomeViewModel so the extraction is provably faithful and future edits are
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* guarded. Only the `internal` entry points (refreshDailyQuestionState, withHomeActions) are called
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* directly; they exercise every private helper (toHomeAction, buildDailyQuestionAction,
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* buildPendingActions, has*, toHomeLabel) transitively.
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*/
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class HomeActionMapperTest {
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private fun question(id: String = "q1", category: String = "") =
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Question(id = id, text = "Test question?", category = category, type = "single_choice")
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// ── refreshDailyQuestionState ──────────────────────────────────────────────
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@Test
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fun `refresh yields UNANSWERED when there is no daily question`() {
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val out = HomeUiState().refreshDailyQuestionState()
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assertEquals(DailyQuestionState.UNANSWERED, out.dailyQuestionState)
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assertFalse(out.hasRevealedToday)
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}
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@Test
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fun `refresh yields USER_ANSWERED_PARTNER_PENDING when only the user has answered`() {
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val out = HomeUiState(
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dailyQuestion = question("q1"),
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answerStats = HomeAnswerStats(answeredQuestionIds = setOf("q1"))
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).refreshDailyQuestionState()
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assertEquals(DailyQuestionState.USER_ANSWERED_PARTNER_PENDING, out.dailyQuestionState)
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assertFalse(out.hasRevealedToday)
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}
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@Test
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fun `refresh yields BOTH_ANSWERED when both answered this question`() {
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val out = HomeUiState(
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dailyQuestion = question("q1"),
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answerStats = HomeAnswerStats(answeredQuestionIds = setOf("q1")),
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hasPartnerAnsweredToday = true,
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partnerAnsweredQuestionId = "q1"
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).refreshDailyQuestionState()
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assertEquals(DailyQuestionState.BOTH_ANSWERED, out.dailyQuestionState)
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}
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@Test
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fun `refresh marks REVEALED and hasRevealedToday when the user's latest answer is revealed`() {
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val out = HomeUiState(
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dailyQuestion = question("q1"),
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answerStats = HomeAnswerStats(
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answeredQuestionIds = setOf("q1"),
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latest = LocalAnswer(
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questionId = "q1", questionText = "Test question?",
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category = "", answerType = "single_choice", isRevealed = true
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)
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)
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).refreshDailyQuestionState()
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assertEquals(DailyQuestionState.REVEALED, out.dailyQuestionState)
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assertTrue(out.hasRevealedToday)
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}
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// ── withHomeActions ────────────────────────────────────────────────────────
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@Test
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fun `withHomeActions clears all actions while loading`() {
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val out = HomeUiState(isLoading = true).withHomeActions()
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assertNull(out.primaryAction)
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assertTrue(out.secondaryActions.isEmpty())
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assertTrue(out.pendingActions.isEmpty())
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}
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@Test
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fun `withHomeActions clears the primary action on error`() {
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val out = HomeUiState(isLoading = false, error = "boom").withHomeActions()
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assertNull(out.primaryAction)
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}
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@Test
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fun `withHomeActions surfaces pairing as the primary when unpaired`() {
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val out = HomeUiState(isLoading = false, isPaired = false).withHomeActions()
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assertEquals(HomeActionTarget.InvitePartner, out.primaryAction?.target)
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}
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@Test
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fun `withHomeActions surfaces the daily question when paired and unanswered`() {
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val out = HomeUiState(
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isLoading = false,
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isPaired = true,
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dailyQuestion = question("q1"),
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dailyQuestionState = DailyQuestionState.UNANSWERED
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).withHomeActions()
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assertEquals(HomeActionTarget.DailyQuestion, out.primaryAction?.target)
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assertEquals("Your daily question", out.primaryAction?.eyebrow)
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}
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@Test
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fun `withHomeActions humanizes the daily category metric and drops the mc token (toHomeLabel)`() {
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val out = HomeUiState(
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isLoading = false,
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isPaired = true,
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dailyQuestion = question("q1", category = "daily_fun_mc"),
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dailyQuestionState = DailyQuestionState.UNANSWERED
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).withHomeActions()
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assertEquals("Daily Fun", out.primaryAction?.metric)
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}
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@Test
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fun `withHomeActions caps secondary actions at three`() {
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val out = HomeUiState(
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isLoading = false,
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isPaired = true,
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dailyQuestion = question("q1"),
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dailyQuestionState = DailyQuestionState.UNANSWERED,
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hasWaitingGame = true,
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hasActiveChallenge = true,
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hasUpcomingDatePlan = true,
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hasPendingDateReflection = true,
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hasUnlockedCapsule = true,
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weeklyRecapReady = true,
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categories = listOf(HomeCategorySummary(app.closer.domain.model.QuestionCategory(id = "c1"), 5))
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).withHomeActions()
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assertTrue("secondary capped at 3", out.secondaryActions.size <= 3)
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}
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@Test
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fun `withHomeActions never duplicates the primary target in the pending list (C-HOME-001)`() {
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val out = HomeUiState(
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isLoading = false,
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isPaired = true,
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hasWaitingGame = true,
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hasActiveChallenge = true,
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hasUnlockedCapsule = true
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).withHomeActions()
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val primaryTarget = out.primaryAction?.target
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assertTrue(
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"primary target must not also appear in pending",
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out.pendingActions.none { it.target == primaryTarget }
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)
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assertTrue("pending capped at 3", out.pendingActions.size <= 3)
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}
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@Test
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fun `withHomeActions produces no pending actions when unpaired`() {
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val out = HomeUiState(isLoading = false, isPaired = false).withHomeActions()
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assertTrue(out.pendingActions.isEmpty())
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}
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}
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