KotlinConf Report @ca.kt#7

Transcript

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2. @takusemba
   https://github.com/TakuSemba
   

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6. data class Heineken (
   val price: String,
   val volume: String,
   val createdAt: Long
   )
   

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7. class HeinekenFactory {
   fun brew(): Heineken {
   //…
   }
   }
   data class Heineken (
   val price: String,
   val volume: String,
   val createdAt: Long
   )
   

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8. class HeinekenFactory {
   fun brew(): Heineken {
   //…
   }
   }
   private val mockFactory = mock()
   data class Heineken (
   val price: String,
   val volume: String,
   val createdAt: Long
   )
   

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9. class HeinekenFactory {
   fun brew(): Heineken {
   //…
   }
   }
   private val mockFactory = mock()
   data class Heineken (
   val price: String,
   val volume: String,
   val createdAt: Long
   )
   

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10. class HeinekenFactory {
    fun brew(): Heineken {
    //…
    }
    }
    private val mockFactory = mock()
    class HeinekenFactory
    data class Heineken (
    val price: String,
    val volume: String,
    val createdAt: Long
    )
    private val mockFactory = mock()
    

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11. class HeinekenFactory {
    fun brew(): Heineken {
    //…
    }
    }
    private val mockFactory = mock()
    class HeinekenFactory // final class
    data class Heineken (
    val price: String,
    val volume: String,
    val createdAt: Long
    )
    private val mockFactory = mock()
    

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12. open class HeinekenFactory {
    fun brew(): Heineken {
    //…
    }
    }
    private val mockFactory = mock()
    data class Heineken (
    val price: String,
    val volume: String,
    val createdAt: Long
    )
    

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13. class HeinekenFactory: BeerFactory {
    override fun brew(): Heineken {
    //…
    }
    }
    private val mockFactory = mock()
    data class Heineken (
    val price: String,
    val volume: String,
    val createdAt: Long
    )
    

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14. MockK
    

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15. data class Heineken (
    val price: String,
    val volume: String,
    val createdAt: Long
    )
    class HeinekenFactory {
    fun brew(): Heineken {
    //…
    }
    }
    

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16. data class Heineken (
    val price: String,
    val volume: String,
    val createdAt: Long
    )
    class HeinekenFactory {
    fun brew(): Heineken {
    //…
    }
    }
    private val mockFactory = mockk()
    

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17. private val mockFactory = mockk()
    

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18. @MockK
    private lateinit var mockFactory: HeinekenFactory
    init {
    MockKAnnotations.init(this)
    }
    every { mockFactory.brew() } returns heineken
    

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19. @MockK(relaxed = true)
    private lateinit var mockFactory: HeinekenFactory
    init {
    MockKAnnotations.init(this)
    }
    every { mockFactory.brew() } returns heineken
    

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20. @MockK(relaxed = true, relaxUnitFun = true)
    private lateinit var mockFactory: HeinekenFactory
    init {
    MockKAnnotations.init(this)
    }
    every { mockFactory.brew() } returns heineken
    

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21. @MockK
    private lateinit var mockFactory: HeinekenFactory
    init {
    MockKAnnotations.init(this)
    }
    @Test
    fun testFactory() {
    mockFactory.brew()
    verify { mockFactory.brew() }
    }
    

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22. @MockK
    private lateinit var mockFactory: HeinekenFactory
    init {
    MockKAnnotations.init(this)
    }
    @Test
    fun testFactory() {
    mockFactory.brew()
    verify(exactly = 1) { mockFactory.brew() }
    }
    

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23. @MockK
    private lateinit var mockFactory: HeinekenFactory
    init {
    MockKAnnotations.init(this)
    }
    @Test
    fun testFactory() {
    mockFactory.brew()
    verify(inverse = true) { mockFactory.brew() }
    }
    

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24. @MockK
    private lateinit var mockFactory: HeinekenFactory
    init {
    MockKAnnotations.init(this)
    }
    @Test
    fun testFactory() {
    mockFactory.prepare()
    mockFactory.brew()
    mockFactory.deliver()
    verifyOrder {
    mockFactory.prepare()
    mockFactory.deliver()
    }
    }
    

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25. @MockK
    private lateinit var mockFactory: HeinekenFactory
    init {
    MockKAnnotations.init(this)
    }
    @Test
    fun testFactory() {
    mockFactory.prepare()
    mockFactory.brew()
    mockFactory.deliver()
    verifySequence {
    mockFactory.prepare()
    mockFactory.brew()
    mockFactory.deliver()
    }
    }
    

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26. JUnit5
    

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27. class HeinekenFactoryTest {
    init {
    println("init")
    }
    @Test
    fun testFactory1() {
    println("testFactory1")
    }
    @Test
    fun testFactory2() {
    println("testFactory2")
    }
    }
    

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28. class HeinekenFactoryTest {
    init {
    println("init")
    }
    @Test
    fun testFactory1() {
    println("testFactory1")
    }
    @Test
    fun testFactory2() {
    println("testFactory2")
    }
    }
    

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29. class HeinekenFactoryTest {
    init {
    println("init")
    }
    @Test
    fun testFactory1() {
    println("testFactory1")
    }
    @Test
    fun testFactory2() {
    println("testFactory2")
    }
    }
    

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30. @TestInstance(TestInstance.Lifecycle.PER_CLASS)
    class HeinekenFactoryTest {
    init {
    println("init")
    }
    @Test
    fun testFactory1() {
    println("testFactory1")
    }
    @Test
    fun testFactory2() {
    println("testFactory2")
    }
    }
    

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31. @TestInstance(TestInstance.Lifecycle.PER_CLASS)
    class HeinekenFactoryTest {
    init {
    println("init")
    }
    @Test
    fun testFactory1() {
    println("testFactory1")
    }
    @Test
    fun testFactory2() {
    println("testFactory2")
    }
    }
    

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32. @TestInstance(TestInstance.Lifecycle.PER_CLASS)
    class HeinekenFactoryTest {
    init {
    println("init")
    }
    @Test
    fun testFactory1() {
    println("testFactory1")
    }
    @Test
    fun testFactory2() {
    println("testFactory2")
    }
    }
    

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33. @TestInstance(TestInstance.Lifecycle.PER_CLASS)
    class HeinekenFactoryTest {
    @MockK
    private lateinit var mockFactory: HeinekenFactory
    init {
    println(“init")
    }
    @Test
    fun testFactory1() {
    println("testFactory1")
    }
    @Test
    fun testFactory2() {
    println("testFactory2")
    }
    }
    

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34. @TestInstance(TestInstance.Lifecycle.PER_CLASS)
    class HeinekenFactoryTest {
    @MockK
    private lateinit var mockFactory: HeinekenFactory
    init {
    MockKAnnotations.init(this)
    }
    @Test
    fun testFactory1() {
    println("testFactory1")
    }
    @Test
    fun testFactory2() {
    println("testFactory2")
    }
    }
    

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35. @TestInstance(TestInstance.Lifecycle.PER_CLASS)
    class HeinekenFactoryTest {
    @MockK
    private lateinit var mockFactory: HeinekenFactory
    init {
    MockKAnnotations.init(this)
    }
    @BeforeEach
    fun beforeEach() {
    clearMocks(mockFactory)
    }
    @Test
    fun testFactory1() {
    //…
    }
    @Test
    fun testFactory2() {
    //…
    }
    }
    

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36. class HeinekenFactoryTest {
    @MockK
    private lateinit var mockFactory: HeinekenFactory
    init {
    MockKAnnotations.init(this)
    }
    @Nested
    inner class Factory1 {
    @Test
    fun test1() {
    //…
    }
    @Test
    fun test2() {
    //…
    }
    }
    //…
    }
    

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37. class HeinekenFactoryTest {
    @MockK
    private lateinit var mockFactory: HeinekenFactory
    init {
    MockKAnnotations.init(this)
    }
    @Nested
    inner class Factory1 {
    @Test
    fun test1() {
    //…
    }
    @Test
    fun test2() {
    //…
    }
    }
    //…
    }
    

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38. class HeinekenFactoryTest {
    @MockK
    private lateinit var mockFactory: HeinekenFactory
    init {
    MockKAnnotations.init(this)
    }
    @Nested
    inner class Factory1 {
    @Test
    fun checkHeinekenFactoryDoSomeWork() {
    //…
    }
    @Test
    fun checkHeinekenFactoryDoTheOtherWork() {
    //…
    }
    }
    //…
    }
    

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39. class HeinekenFactoryTest {
    @MockK
    private lateinit var mockFactory: HeinekenFactory
    init {
    MockKAnnotations.init(this)
    }
    @Nested
    inner class Factory1 {
    @Test
    fun `check HeinekenFactory do some work`() {
    //…
    }
    @Test
    fun `check HeinekenFactory do the other work`() {
    //…
    }
    }
    //…
    }
    

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40. class HeinekenFactoryTest {
    @MockK
    private lateinit var mockFactory: HeinekenFactory
    init {
    MockKAnnotations.init(this)
    }
    @Nested
    inner class Factory1 {
    @Test
    fun `check HeinekenFactory do some work`() {
    //…
    }
    @Test
    fun `check HeinekenFactory do the other work`() {
    //…
    }
    }
    //…
    }
    

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41. Data Class
    

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42. @Test
    fun testHeineken() {
    val actual = Heineken(
    price = "2$",
    volume = "350ml",
    createdAt = 1539522908
    )
    }
    

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43. @Test
    fun testHeineken() {
    val actual = Heineken(
    price = "2$",
    volume = "350ml",
    createdAt = 1539522908
    )
    assertThat(actual.price).isEqualTo("3$")
    assertThat(actual.volume).isEqualTo("350ml$")
    assertThat(actual.createdAt).isEqualTo(1539522908)
    }
    

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44. @Test
    fun testHeineken() {
    val actual = Heineken(
    price = "2$",
    volume = "350ml",
    createdAt = 1539522908
    )
    assertThat(actual.price).isEqualTo("3$")
    assertThat(actual.volume).isEqualTo("350ml$")
    assertThat(actual.createdAt).isEqualTo(1539522908)
    }
    

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45. @Test
    fun testHeineken() {
    val actual = Heineken(
    price = "2$",
    volume = "350ml",
    createdAt = 1539522908
    )
    val expected = Heineken(
    price = "3$",
    volume = "350ml",
    createdAt = 1539522908
    )
    assertThat(actual).isEqualTo(expected)
    }
    

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46. @Test
    fun testHeineken() {
    val actual = Heineken(
    price = "2$",
    volume = "350ml",
    createdAt = 1539522908
    )
    val expected = Heineken(
    price = "3$",
    volume = "350ml",
    createdAt = 1539522908
    )
    assertThat(actual).isEqualTo(expected)
    }
    

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47. @Test
    fun testHeineken() {
    val actual = Heineken(
    price = "2$",
    volume = "350ml",
    createdAt = 1539522908
    )
    val expected = Heineken(
    price = "3$",
    volume = "350ml",
    createdAt = 1539522908
    )
    assertThat(actual)
    .isEqualToIgnoringGivenFields(expected, "price")
    }
    

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48. @Test
    fun testHeineken() {
    val actual = Heineken(
    price = "2$",
    volume = "350ml",
    createdAt = 1539522908
    )
    val expected = Heineken(
    price = "3$",
    volume = "350ml",
    createdAt = 1539522908
    )
    assertThat(actual)
    .isEqualToIgnoringGivenFields(expected, “price”)
    assertThat(actual)
    .isEqualToComparingOnlyGivenFields(expected, "price")
    }
    

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49. fun createHeineken(
    price: String = "2$",
    volume: String = "300ml",
    createdAt: Long = System.currentTimeMillis()
    ) = Heineken(
    price = price,
    volume = volume,
    createdAt = createdAt
    )
    

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50. fun createHeineken(
    price: String = "2$",
    volume: String = "300ml",
    createdAt: Long = System.currentTimeMillis()
    ) = Heineken(
    price = price,
    volume = volume,
    createdAt = createdAt
    )
    @Test
    fun testHeineken() {
    val heineken1 = createHeineken()
    val heineken2 = createHeineken(price = "3$")
    val heineken3 = createHeineken(price = "3$", volume = “500ml")
    //…
    }
    

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