SpekでUnitTestを書こう / unit-test-with-spek

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Copyright (c) 2018, Spek Core Team and Contributors

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class Todo(val id: Int) {
constructor(id: Int, label: String, complete: Boolean,
deadline: Long) : this(id) {
this.label = label
this.complete = complete
this.deadline = deadline
}
var label: String = ""
private set
var complete: Boolean = false
private set
var deadline: Long = System.currentTimeMillis()
private set
}

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fun checkComplete() {
complete = true
}
fun unCheckComplete() {
complete = false
}
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fun addDayToDeadline(numOfDays: Int) {
changeDeadline(numOfDays)
}
fun reduceDayToDeadline(numOfDays: Int) {
changeDeadline(-numOfDays)
}
private fun changeDeadline(numOfDays: Int) {
deadline = Calendar.getInstance(TimeZone.getDefault(),
Locale.JAPAN).apply {
timeInMillis = deadline
add(Calendar.DATE, numOfDays)
}.timeInMillis
}
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class TodoTest {
private val now = System.currentTimeMillis()
private lateinit var todo: Todo
@Before
fun setup() {
todo = Todo(id = 1, label = "Write Unit Test with Spek", complete = false, deadline = now
)
}
@Test
fun changeCompleteStatus_shouldBeTrue() {
todo.checkComplete()
assertTrue(todo.complete)
}
@Test
fun changeCompleteStatus_shouldBeFalse() {
todo.unCheckComplete()
assertFalse(todo.complete)
}
@Test
fun addDaysToDeadline_shouldBeThreeDaysLater() {
val expect = Calendar.getInstance(TimeZone.getDefault(), Locale.JAPAN).apply {
timeInMillis = now
add(Calendar.DATE, 3)
}
todo.addDayToDeadline(3)
assertEquals(expect.timeInMillis, todo.deadline)
}
@Test
fun reduceDaysToDeadline_shouldBeThreeDaysAgo() {
timeInMillis = now
add(Calendar.DATE, -3)
}
todo.reduceDayToDeadline(3)
}
}

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@Test
fun changeFinishStatus_shouldBeTrue() {
assert(todo.complete)
}

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@Test
}

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@Test
}

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@Test
}
@Test
}

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@Test
}
@Test
}
@Test
val expect = Calendar.getInstance(TimeZone.getDefault(),
Locale.JAPAN).apply {
timeInMillis = now
}
}

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@Test
}
@Test
}
@Test
timeInMillis = now
}
}
@Test
timeInMillis = now
}
}
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@Test
todo.markFinished()
assert(todo.finished)
}
@Test
fun changeFinishStatus_shouldBeFalse() {
todo.markUnFinished()
assert(!todo.finished)
}
@Test
timeInMillis = now
}
}
@Test
timeInMillis = now
}
}
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class TodoFeature : Spek({
Feature("Todo") {
val now = System.currentTimeMillis()
lateinit var todo: Todo
Scenario("complete status") {
Given("the todo is not complete") {
todo = Todo(
id = 1,
label = "",
deadline = now,
complete = false
)
}
When("complete the todo") {
}
Then("the todo is complete") {
}
When("return the todo to incomplete") {
}
Then("the todo is not complete") {
assertTrue(!todo.complete)
}
}
}
})

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todo = Todo(
id = 1,
label = "",
deadline = now,
complete = false
)
}
}
}
}

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todo = Todo(
id = 1,
label = "",
deadline = now,
complete = false
)
}
}
}
}
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Scenario("changing todo finish status") {
Given("todo is not finish") {
todo = Todo(
id = 1,
label = "Write Unit Test with Spek",
finished = false,
deadline = now
)
}
When("mark finish") {
todo.markFinished()
}
Then("it should be true") {
assertTrue(todo.finished)
}
}
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Given("todo is not finish") {
todo = Todo(
id = 1,
label = "Write Unit Test with Spek",
finished = false,
deadline = now
)
}
When("mark finish") {
todo.markFinished()
}
}
}
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Feature("Todo") {
Scenario(“complete status") {
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}
Scenario("deadline") {
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}
Scenario(“label") {
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}
}
})

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Feature("Todo") {
Scenario(“complete status") {
}
Scenario("deadline") {
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}
Scenario(“label") {
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}
}
})
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Feature("Todo") {
Scenario("changing finish status") {
}
Scenario("changing deadline") {
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}
Scenario("changing label") {
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}
}
})
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ηοτΞοϓ
https://spekframework.org/setup-android/

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جຊͷॻ͖ํ
class TodoFeature

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})

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Feature("Todo") {
}
})

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Feature("Todo") {
val todo: Todo by lazy {
Todo(id = 1, label = "Write Unit Test with Spek",
complete = false, deadline = now)
}
}
})
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Feature("Todo") {
}
}
})

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Feature("Todo") {
Given(“the todo is not complete") {
todo = Todo(id = 1, label = "Write Unit Test with Spek”,
}
}
}
})

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جຊͷॻ͖ํ
Feature("Todo") {
todo = Todo(id = 1, label = "Write Unit Test with Spek",
}
When(“complete the todo") {
}
}
}
})

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جຊͷॻ͖ํ
Feature("Todo") {
}
When(“complete the todo") {
}
Then(“the todo is complete”) {
}
}
}
})

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Feature("xxx") {
Scenario("xxx") {
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}
Scenario("yyy") {
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}
}
Feature("zzz") {
Scenario("zzz") {
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}
}
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Feature("xxx") {
Scenario("xxx") {
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}
Scenario("yyy") {
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}
}
Feature("zzz") {
Scenario("zzz") {
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}
}
})
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Feature(“xxx") {
Scenario("xxx") {
Scenario(“yyy") {
Given("xxx") {
Given(“yyy”) {
}
}
}
}
}
})
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Feature(“xxx") {
Scenario("xxx") {
Scenario(“yyy") {
Given("xxx") {
Given(“yyy”) {
}
}
}
}
}
})
#

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@Synonym(SynonymType.GROUP, prefix = "Feature: ")
@Descriptions(Description(DescriptionLocation.VALUE_PARAMETER, 0))
fun GroupBody.Feature(description: String,
body: FeatureBody.() -> Unit) {
group("Feature: $description",
defaultCachingMode = CachingMode.GROUP) {
body(FeatureBody(this))
}
}

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}
}
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}
}
@SpekDsl
class FeatureBody(val delegate: GroupBody): LifecycleAware by delegate {
@Synonym(SynonymType.GROUP, prefix = "Scenario: ")
fun Scenario(description: String, body: ScenarioBody.() -> Unit) {
delegate.group("Scenario: $description”,
defaultCachingMode = CachingMode.SCOPE,
preserveExecutionOrder = true) {
body(ScenarioBody(this))
}
}
}

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@SpekDsl
class ScenarioBody(val delegate: GroupBody): LifecycleAware by
delegate {
fun Given(description: String, body: TestBody.() -> Unit) {
delegate.test("Given: $description", body = body)
}
fun When(description: String, body: TestBody.() -> Unit) {
delegate.test("When: $description", body = body)
}
fun Then(description: String, body: TestBody.() -> Unit) {
delegate.test("Then: $description", body = body)
}
fun And(description: String, body: TestBody.() -> Unit) {
delegate.test("And: $description", body = body)
}
}

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@SpekDsl
class ScenarioBody(val delegate: GroupBody): LifecycleAware by
delegate {
fun Given(description: String, body: TestBody.() -> Unit) {
delegate.test("Given: $description", body = body)
}
fun When(description: String, body: TestBody.() -> Unit) {
delegate.test("When: $description", body = body)
}
fun Then(description: String, body: TestBody.() -> Unit) {
delegate.test("Then: $description", body = body)
}
fun And(description: String, body: TestBody.() -> Unit) {
delegate.test("And: $description", body = body)
}
}
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Feature("Todo") {
Then(“the todo is not complete") {
}
Then(“complete the todo") {
}
Then(“the todo is complete”) {
}
}
}
})
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Feature("Todo") {
Then("todo is not finished ") {
finished = false, deadline = now)
}
Then("mark finish") {
todo.markFinished()
}
}
}
}
})
ॱ൪͸
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@SpekDsl
class FeatureBody(val delegate: GroupBody): LifecycleAware by delegate {
@Synonym(SynonymType.GROUP, prefix = "Scenario: ")
fun Scenario(description: String, body: ScenarioBody.() -> Unit) {
delegate.group("Scenario: $description”,
defaultCachingMode = CachingMode.SCOPE,
preserveExecutionOrder = true) {
body(ScenarioBody(this))
}
}
}

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https://spekframework.org/core-concepts/

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class InstantTaskExecutorRule : TestWatcher() {
protected fun starting(description: Description) {
super.starting(description)
ArchTaskExecutor.getInstance().setDelegate(object : TaskExecutor() {
override fun executeOnDiskIO(runnable: Runnable) {
runnable.run()
}
override fun postToMainThread(runnable: Runnable) {
runnable.run()
}
override fun isMainThread(): Boolean {
return true
}
})
}
protected fun finished(description: Description) {
super.finished(description)
ArchTaskExecutor.getInstance().setDelegate(null)
}
}

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-JWF%BUB+6OJU
class InstantTaskExecutorRule : TestWatcher() {
protected fun starting(description: Description) {
super.starting(description)
ArchTaskExecutor.getInstance().setDelegate(object : TaskExecutor() {
runnable.run()
}
runnable.run()
}
return true
}
})
}
protected fun finished(description: Description) {
super.finished(description)
ArchTaskExecutor.getInstance().setDelegate(null)
}
}
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@Rule
@JvmField
val instantTaskExecutorRule = InstantTaskExecutorRule()
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fun GroupBody.useLiveData() {
androidx.arch.core.executor.ArchTaskExecutor.getInstance().setDelega
te(object : TaskExecutor() {
runnable.run()
}
return true
}
runnable.run()
}
})
}
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useLiveData()
Feature("Todo") {
}
})
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class TodoListViewModelSpec : Spek({
useLiveData()
val application: Application by lazy {
Mockito.mock(Application::class.java)
}
val todoListViewModel: TodoListViewModel by lazy {
TodoListViewModel(
application,
Schedulers.trampoline()
)
}
val observer = mock>()
lateinit var filterWord: String
Feature("TodoViewModel") {
Scenario("TodoͷҰཡϑΟϧλʔ͢ΔͱLiveDataʹ৽͍͠஋͕ೖΔ") {
Given("LiveData͕ΞΫςΟϒʹͳΔ") {
todoListViewModel.wordLiveData.observeForever(observer)
}
When("ViewModelͷϑΟϧλʔϝιουΛ࣮ߦ͢Δ") {
filterWord = "Spek"
todoListViewModel.filter(filterWord)
}
Then("LiveDataͷvalue͕SpekʹͳΔ") {
Mockito.verify(observer).onChanged(filterWord)
}
}
}
})
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}
filterWord = "Spek"
}
}
}
}
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}
filterWord = "Spek"
}
}
}
}
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}
filterWord = "Spek"
}
}
}
}
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@RunWith(RobolectricTestRunner::class)
@Config(sdk = [O_MR1])
class TodoDataBaseTest {
private lateinit var database: TodoDatabase
@Before
fun openDatabase() {
database = Room
.inMemoryDatabaseBuilder(
InstrumentationRegistry.getInstrumentation().targetContext,
TodoDatabase::class.java
).allowMainThreadQueries()
.build()
}
@After
fun closeDatabase() {
database.close()
}
@Test
@Throws(Exception::class)
fun insert() {
assertThat(database.todoDao().count(), `is`(0))
val list = listOf(
TodoEntity(
name = "Robolectric࢖͏",
category = 1
),
TodoEntity(
name = "JUnit࢖͏",
category = 1
)
)
database.todoDao().upsertAll(list)
assertThat(database.todoDao().count(), `is`(2))
}
}

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3PPN3PCPMFDUSJD
@Before
database = Room
InstrumentationRegistry
.getInstrumentation()
.targetContext,
.build()
}

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@Before
database = Room
.targetContext,
.build()
}
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@Before
database = Room
.targetContext,
.build()
}

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3PPN4QFL
class TodoDaoSpec : Spek({
useLiveData()
val context: Context by lazy {
Mockito.mock(Context::class.java)
}
val todoDatabase: TodoDatabase by lazy {
Room.inMemoryDatabaseBuilder(
context,
.openHelperFactory(JdbcSQLiteOpenHelperFactory())
.build()
}
Feature("TodoDao") {
lateinit var result: Single
Scenario("TodoDatabase") {
Given("two todos have already been registered") {
val todoList = listOf(
TodoEntity(name = "SpekͰUnitTestΛॻ͘", finished = false, deadline = 1L),
TodoEntity(name = "JUnitͰUnitTestΛॻ͘", finished = false, deadline = 1L)
)
todoDatabase.todoDao().upsertAll(todoList)
}
When("count todo") {
result = todoDatabase.todoDao().count()
}
Then("it should be 2") {
result.test().await().assertValue(2)
}
}
}
})

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3PPN4QFL
useLiveData()
}
context,
.build()
}

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useLiveData()
}
context,
.build()
}
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useLiveData()
}
context,
.build()
}
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useLiveData()
}
context,
.build()
}

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useLiveData()
}
context,
.build()
}
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Scenario("TodoDatabase") {
lateinit var result: Single
Given("two todos have already been registered") {
val todoList = listOf(
TodoEntity(name = "SpekͰUnitTestΛॻ͘", complete = false,
deadline = 1L),
TodoEntity(name = "JUnitͰUnitTestΛॻ͘", complete =
false, deadline = 1L)
)
todoDatabase.todoDao().upsertAll(todoList)
}
When("count todo") {
result = todoDatabase.todoDao().count()
}
Then("it should be 2") {
result.test().await().assertValue(2)
}
}
͍͖ͳΓͷ3Y

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·ͱΊ
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ɾ+6OJUʹൺ΂ͯه๏͕ಠಛ͕ͩɺΑΓࢿ࢈ʹͳΔςετ͕ॻ͚Δ
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ɾ3PPN΍-JWF%BUBΛ࢖͍ͬͯͯ΋"OESPJEϑϨʔϜϫʔΫ෦෼Λ޻
෉͢Δͱ6OJU5FTU͸ॻ͚Δ

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͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ

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SpekでUnitTestを書こう / unit-test-with-spek

SpekでUnitTestを書こう / unit-test-with-spek

moriiimo

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