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feat: ✅ create suggestion & search viewmodel test suite (ffgiraldez#28)
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@@ -5,4 +5,5 @@ | |
| .DS_Store | ||
| /build | ||
| /captures | ||
| *.iml | ||
| *.iml | ||
| */.kotlintest | ||
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79 changes: 79 additions & 0 deletions
79
app/src/test/java/es/ffgiraldez/comicsearch/comic/gen/EntitiesGen.kt
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| @@ -0,0 +1,79 @@ | ||
| package es.ffgiraldez.comicsearch.comic.gen | ||
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| import arrow.core.Either | ||
| import es.ffgiraldez.comicsearch.comics.domain.ComicError | ||
| import es.ffgiraldez.comicsearch.comics.domain.Volume | ||
| import es.ffgiraldez.comicsearch.platform.left | ||
| import es.ffgiraldez.comicsearch.platform.right | ||
| import io.kotlintest.properties.Gen | ||
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| class ComicErrorGenerator : Gen<ComicError> { | ||
| override fun constants(): Iterable<ComicError> = emptyList() | ||
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| override fun random(): Sequence<ComicError> = generateSequence { | ||
| takeIf { Gen.bool().random().first() } | ||
| ?.let { ComicError.EmptyResultsError } ?: ComicError.NetworkError | ||
| } | ||
| } | ||
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| class QueryGenerator : Gen<String> { | ||
| override fun constants(): Iterable<String> = Gen.string().constants().filter { it.isNotEmpty() } | ||
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| override fun random(): Sequence<String> = Gen.string().random().filter { it.isNotEmpty() } | ||
| } | ||
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| class SuggestionGenerator : Gen<Either<ComicError, List<String>>> { | ||
| override fun constants(): Iterable<Either<ComicError, List<String>>> = emptyList() | ||
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| override fun random(): Sequence<Either<ComicError, List<String>>> = generateSequence { | ||
| generateEither(Gen.bool().random().first()) | ||
| } | ||
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| private fun generateEither(it: Boolean): Either<ComicError, List<String>> { | ||
| return if (it) { | ||
| left(Gen.comicError().random().first()) | ||
| } else { | ||
| right((1..10).fold(emptyList()) { acc, _ -> acc + Gen.query().random().iterator().next() }) | ||
| } | ||
| } | ||
| } | ||
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| class VolumeGenerator : Gen<Volume> { | ||
| override fun constants(): Iterable<Volume> = emptyList() | ||
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| override fun random(): Sequence<Volume> = generateSequence { | ||
| Volume( | ||
| Gen.string().random().first(), | ||
| Gen.string().random().first(), | ||
| Gen.string().random().first() | ||
| ) | ||
| } | ||
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| } | ||
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| class SearchGenerator : Gen<Either<ComicError, List<Volume>>> { | ||
| override fun constants(): Iterable<Either<ComicError, List<Volume>>> = emptyList() | ||
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| override fun random(): Sequence<Either<ComicError, List<Volume>>> = generateSequence { | ||
| generateEither(Gen.bool().random().first()) | ||
| } | ||
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| private fun generateEither(it: Boolean): Either<ComicError, List<Volume>> { | ||
| return if (it) { | ||
| left(Gen.comicError().random().first()) | ||
| } else { | ||
| right((1..10).fold(emptyList()) { acc, _ -> acc + Gen.volume().random().iterator().next() }) | ||
| } | ||
| } | ||
| } | ||
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| fun Gen.Companion.suggestions(): Gen<Either<ComicError, List<String>>> = SuggestionGenerator() | ||
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| fun Gen.Companion.search(): Gen<Either<ComicError, List<Volume>>> = SearchGenerator() | ||
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| fun Gen.Companion.comicError(): Gen<ComicError> = ComicErrorGenerator() | ||
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| fun Gen.Companion.query(): Gen<String> = QueryGenerator() | ||
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| fun Gen.Companion.volume(): Gen<Volume> = VolumeGenerator() |
44 changes: 44 additions & 0 deletions
44
app/src/test/java/es/ffgiraldez/comicsearch/query/search/presentation/SearchViewModelSpec.kt
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| package es.ffgiraldez.comicsearch.query.search.presentation | ||
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| import arrow.core.Either | ||
| import com.nhaarman.mockitokotlin2.mock | ||
| import es.ffgiraldez.comicsearch.comic.gen.query | ||
| import es.ffgiraldez.comicsearch.comic.gen.search | ||
| import es.ffgiraldez.comicsearch.comics.domain.ComicError | ||
| import es.ffgiraldez.comicsearch.comics.domain.Volume | ||
| import es.ffgiraldez.comicsearch.platform.toFlowable | ||
| import es.ffgiraldez.comicsearch.query.base.presentation.QueryViewState | ||
| import es.ffgiraldez.comicsearch.query.base.presentation.toViewState | ||
| import io.kotlintest.properties.Gen | ||
| import io.kotlintest.properties.assertAll | ||
| import io.kotlintest.specs.StringSpec | ||
| import io.reactivex.Flowable | ||
| import org.mockito.ArgumentMatchers.anyString | ||
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| class SearchViewModelSpec : | ||
| StringSpec({ | ||
| "Search ViewModel should trigger search for a query" { | ||
| assertAll(Gen.search(), Gen.query()) { results, query -> | ||
| val viewModel = givenSuggestionViewModel(results) | ||
| val observer = viewModel.state.toFlowable().test() | ||
| val viewState = results.toViewState() | ||
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| viewModel.inputQuery(query) | ||
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| observer.assertNotComplete() | ||
| .assertNoErrors() | ||
| .assertValues(QueryViewState.idle(), QueryViewState.loading(), viewState) | ||
| } | ||
| } | ||
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| }) | ||
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| private fun SearchViewModel.inputQuery(input: String) { | ||
| query.value = input | ||
| } | ||
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| private fun givenSuggestionViewModel(results: Either<ComicError, List<Volume>>): SearchViewModel = | ||
| SearchViewModel.invoke(mock { | ||
| on { findByTerm(anyString()) }.thenReturn(Flowable.just(results)) | ||
| }) |
59 changes: 59 additions & 0 deletions
59
...st/java/es/ffgiraldez/comicsearch/query/sugestion/presentation/SuggestionViewModelSpec.kt
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,59 @@ | ||
| package es.ffgiraldez.comicsearch.query.sugestion.presentation | ||
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| import arrow.core.Either | ||
| import com.nhaarman.mockitokotlin2.mock | ||
| import es.ffgiraldez.comicsearch.comic.gen.query | ||
| import es.ffgiraldez.comicsearch.comic.gen.suggestions | ||
| import es.ffgiraldez.comicsearch.comics.domain.ComicError | ||
| import es.ffgiraldez.comicsearch.platform.toFlowable | ||
| import es.ffgiraldez.comicsearch.query.base.presentation.QueryViewState | ||
| import es.ffgiraldez.comicsearch.query.base.presentation.toViewState | ||
| import io.kotlintest.properties.Gen | ||
| import io.kotlintest.properties.assertAll | ||
| import io.kotlintest.provided.ProjectConfig | ||
| import io.kotlintest.specs.StringSpec | ||
| import io.reactivex.Flowable | ||
| import org.mockito.ArgumentMatchers.anyString | ||
| import java.util.concurrent.TimeUnit.SECONDS | ||
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| class SuggestionViewModelSpec : | ||
| StringSpec({ | ||
| "Suggestion ViewModel should not trigger search for empty query" { | ||
| assertAll(Gen.suggestions()) { suggestions -> | ||
| val viewModel = givenSuggestionViewModel(suggestions) | ||
| val observer = viewModel.state.toFlowable().test() | ||
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| viewModel.inputQuery("") | ||
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| observer.assertNotComplete() | ||
| .assertNoErrors() | ||
| .assertValues(QueryViewState.idle()) | ||
| } | ||
| } | ||
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| "Suggestion ViewModel should trigger search for a valid query" { | ||
| assertAll(Gen.suggestions(), Gen.query()) { suggestions, query -> | ||
| val viewModel = givenSuggestionViewModel(suggestions) | ||
| val observer = viewModel.state.toFlowable().test() | ||
| val viewState = suggestions.toViewState() | ||
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| viewModel.inputQuery(query) | ||
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| observer.assertNotComplete() | ||
| .assertNoErrors() | ||
| .assertValues(QueryViewState.idle(), QueryViewState.loading(), viewState) | ||
| } | ||
| } | ||
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| }) | ||
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| private fun SuggestionViewModel.inputQuery(input: String) { | ||
| query.value = input | ||
| ProjectConfig.testScheduler.advanceTimeBy(10, SECONDS) | ||
| } | ||
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| private fun givenSuggestionViewModel(suggestions: Either<ComicError, List<String>>): SuggestionViewModel = | ||
| SuggestionViewModel.invoke(mock { | ||
| on { findByTerm(anyString()) }.thenReturn(Flowable.just(suggestions)) | ||
| }) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| package io.kotlintest.provided | ||
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| import androidx.arch.core.executor.ArchTaskExecutor | ||
| import androidx.arch.core.executor.TaskExecutor | ||
| import io.kotlintest.AbstractProjectConfig | ||
| import io.reactivex.plugins.RxJavaPlugins | ||
| import io.reactivex.schedulers.Schedulers | ||
| import io.reactivex.schedulers.TestScheduler | ||
|
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| object ProjectConfig : AbstractProjectConfig() { | ||
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| override fun parallelism(): Int = 2 | ||
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| override fun beforeAll() { | ||
| super.beforeAll() | ||
| ArchTaskExecutor.getInstance().setDelegate(object : TaskExecutor() { | ||
| override fun executeOnDiskIO(runnable: Runnable) { | ||
| runnable.run() | ||
| } | ||
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| override fun postToMainThread(runnable: Runnable) { | ||
| runnable.run() | ||
| } | ||
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| override fun isMainThread(): Boolean { | ||
| return true | ||
| } | ||
| }) | ||
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| RxJavaPlugins.reset() | ||
| RxJavaPlugins.setIoSchedulerHandler { Schedulers.trampoline() } | ||
| RxJavaPlugins.setNewThreadSchedulerHandler { Schedulers.trampoline() } | ||
| RxJavaPlugins.setComputationSchedulerHandler { testScheduler } | ||
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| } | ||
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| val testScheduler = TestScheduler() | ||
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| override fun afterAll() { | ||
| super.afterAll() | ||
| ArchTaskExecutor.getInstance().setDelegate(null) | ||
| RxJavaPlugins.reset() | ||
| } | ||
| } |
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