Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use isNull method of org.mockito.kotlin.Matchers class

Best Mockito-kotlin code snippet using org.mockito.kotlin.Matchers.isNull

RandomCasesTest.kt

Source:RandomCasesTest.kt

2import com.nhaarman.mockito_kotlin.any3import com.nhaarman.mockito_kotlin.doAnswer4import com.nhaarman.mockito_kotlin.doCallRealMethod5import com.nhaarman.mockito_kotlin.doNothing6import com.nhaarman.mockito_kotlin.isNull7import com.nhaarman.mockito_kotlin.verify8import com.nhaarman.mockito_kotlin.withSettings9import org.junit.Assert10import org.junit.Before11import org.junit.Test12import org.mockito.ArgumentCaptor13import org.mockito.ArgumentMatchers14import org.mockito.Mock15import org.mockito.Mockito16import org.mockito.Mockito.`when`17import org.mockito.Mockito.anyInt18import org.mockito.Mockito.anyLong19import org.mockito.Mockito.doThrow20import org.mockito.Mockito.mock21import org.mockito.Mockito.times22import org.mockito.MockitoAnnotations23import org.mockito.invocation.InvocationOnMock24import org.mockito.stubbing.Answer25import java.lang.Exception26import kotlin.random.Random27class RandomCasesTest {28    @Mock29    private lateinit var mockList: MutableList<Long>30    @Before31    fun before() {32        MockitoAnnotations.initMocks(this)33    }34    @Test35    fun `configure simple return behavior for mock`() {36        // Arrange37        `when`(mockList.add(any())).thenReturn(false)38        // Act39        val added = mockList.add(Random.nextLong())40        // Assert41        Assert.assertEquals(added, false)42    }43    @Test44    fun `configure return behavior for mock in an alternative way`() {45        // Arrange46        Mockito.doReturn(false).`when`(mockList).add(ArgumentMatchers.anyLong())47        // Act48        val added = mockList.add(Random.nextLong())49        // Assert50        Assert.assertEquals(added, false)51    }52    @Test(expected = IllegalStateException::class)53    fun `configure mock to throw an exception on a method call`() {54        // Arrange55        `when`(mockList.add(any())).thenThrow(IllegalStateException::class.java)56        // Act57        mockList.add(Random.nextLong())58    }59    @Test(expected = NullPointerException::class)60    fun `configure the behavior of a method with void return type â to throw an exception`() {61        // Arrange62        doThrow(NullPointerException::class.java).`when`(mockList).clear()63        // Act64        mockList.clear()65    }66    @Test67    fun `configure the behavior of a method with void return type`() {68        // Arrange69        doNothing().`when`(mockList).add(anyInt(), anyLong())70        // Act71        mockList.add(0, 1L)72        // Assert73        verify(mockList, times(1)).add(0, 1L)74    }75    /**76     * doNothing() is Mockito's default behavior for void methods!77     */78    @Test79    fun `configure the behavior of a method with void return type - default behavior`() {80        // Act81        mockList.add(0, 1L)82        // Assert83        verify(mockList, times(1)).add(0, 1L)84    }85    @Test(expected = Exception::class)86    fun `configure the behavior of a method with void return type - throw default exception`() {87        // Arrange88        val myNullableMockList = mock(MyList::class.java)89        doThrow().`when`(myNullableMockList).add(anyInt(), isNull())90        // Act91        myNullableMockList.add(0, null)92    }93    /**94     * One reason to override the default behavior with doNothing() is to capture arguments.95     */96    @Test97    fun `configure the behavior of a method with void return type - capturing`() {98        // Arrange99        val valueCapture = ArgumentCaptor.forClass(Long::class.java)100        doNothing().`when`(mockList).add(anyInt(), valueCapture.capture())101        // Act102        val entry = Random.nextLong()103        mockList.add(0, entry)...

GoogleOauth2ControllerTest.kt

Source:GoogleOauth2ControllerTest.kt

...9import org.junit.jupiter.api.Test10import org.junit.jupiter.api.extension.ExtendWith11import org.mockito.kotlin.any12import org.mockito.kotlin.eq13import org.mockito.kotlin.isNull14import org.mockito.kotlin.whenever15import org.springframework.beans.factory.annotation.Autowired16import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc17import org.springframework.boot.test.context.SpringBootTest18import org.springframework.boot.test.mock.mockito.MockBean19import org.springframework.test.context.junit.jupiter.SpringExtension20import org.springframework.test.web.servlet.MockMvc21import org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get22import org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post23import org.springframework.test.web.servlet.result.MockMvcResultMatchers.content24import org.springframework.test.web.servlet.result.MockMvcResultMatchers.redirectedUrl25import org.springframework.test.web.servlet.result.MockMvcResultMatchers.status26@ExtendWith(SpringExtension::class)27@SpringBootTest(28    classes = [29        GoogleOauth2Controller::class,30        WebMvcConfiguration::class,31        ApiTestConfiguration::class32    ]33)34@AutoConfigureMockMvc35class GoogleOauth2ControllerTest(36    @Autowired val mockMvc: MockMvc37) {38    @MockBean39    lateinit var googleOauth2ApplicationService: GoogleOauth2ApplicationService40    private val userId = UserId(1)41    private val jwt = "eyJraWQiOiJrZXktaWQiLCJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9." +42            "eyJzdWIiOiJiYWx5c0B5b3Vyc2FtYS5jb20iLCJ1c2VyX2lkIjoiNjViOTc3ZWEtODk4MC00YjFhLWE2ZWUtZjhmY2MzZjFmYzI0Iiwi" +43            "ZXhwIjoxNjIyNTA1NjYwLCJpYXQiOjE2MjI1MDU2MDAsImp0aSI6IjNlNWE3NTY3LWZmYmQtNDcxYi1iYTI2LTU2YjMwOTgwMWZlZSJ9." +44            "hcAQ6f8kaeB43nzFibGYZE8QWHyz9OIdFg9zHSbe9Vk"45    private val mobileUserAgent = "" +46            "Mozilla/5.0 (iPhone; CPU iPhone OS 10_3 like Mac OS X) " +47            "AppleWebKit/602.1.50 (KHTML, like Gecko) CriOS/56.0.2924.75 " +48            "Mobile/14E5239e Safari/602.1"49    @Test50    fun `google authorize returns the authorization url`() {51        val redirectUri = "https://accounts.google.com/o/oauth2/auth?access_type=offline"52        whenever(googleOauth2ApplicationService.generateAuthorizationUrl(any()))53            .thenReturn(GoogleOauth2Redirect(redirectUri))54        val expectedJson = """55        {56            "authorizationUrl": "${redirectUri}"57        }58        """59        mockMvc.perform(post("/api/auth/google-authorize"))60            .andExpect(status().isOk)61            .andExpect(62                content().json(expectedJson, true)63            )64    }65    @Test66    fun `google oauth2 callback success for mobile`() {67        val code = "google-success-code"68        val accessToken = "access-jwt"69        val refreshToken = "refresh-jwt"70        whenever((googleOauth2ApplicationService.processOauth2Callback(any(), eq(code), isNull(), isNull())))71            .thenReturn(GoogleSignSuccessDTO(accessToken, refreshToken))72        mockMvc.perform(73            get("/api/auth/google-oauth2")74                .queryParam("code", code)75                .header("User-Agent", mobileUserAgent)76        )77            .andExpect(status().isFound)78            .andExpect(79                redirectedUrl(80                    "meetsama://auth/success" +81                            "?accessToken=${accessToken}" +82                            "&refreshToken=${refreshToken}"83                )84            )85    }86    @Test87    fun `google oauth2 callback success for desktop`() {88        val code = "google-success-code"89        val accessToken = "access-jwt"90        val refreshToken = "refresh-jwt"91        whenever((googleOauth2ApplicationService.processOauth2Callback(any(), eq(code), isNull(), isNull())))92            .thenReturn(GoogleSignSuccessDTO(accessToken, refreshToken))93        mockMvc.perform(get("/api/auth/google-oauth2").queryParam("code", code))94            .andExpect(status().isFound)95            .andExpect(96                redirectedUrl(97                    "meetsama://auth/success" +98                            "?accessToken=${accessToken}" +99                            "&refreshToken=${refreshToken}"100                )101            )102    }103    @Test104    fun `google oauth2 callback error for mobile`() {105        val code = "google-error-code"106        val error = "error-message"107        whenever((googleOauth2ApplicationService.processOauth2Callback(any(), isNull(), eq(code), isNull())))108            .thenReturn(GoogleSignErrorDTO(error))109        mockMvc.perform(110            get("/api/auth/google-oauth2")111                .queryParam("error", code)112                .header("User-Agent", mobileUserAgent)113        )114            .andExpect(status().isFound)115            .andExpect(116                redirectedUrl(117                    "meetsama://auth/error?reason=${error}"118                )119            )120    }121    @Test122    fun `google oauth2 callback error for desktop`() {123        val code = "google-error-code"124        val error = "error_message"125        whenever((googleOauth2ApplicationService.processOauth2Callback(any(), isNull(), eq(code), isNull())))126            .thenReturn(GoogleSignErrorDTO(error))127        mockMvc.perform(get("/api/auth/google-oauth2").queryParam("error", code))128            .andExpect(status().isFound)129            .andExpect(130                redirectedUrl(131                    "meetsama://auth/error?reason=${error}"132                )133            )134    }135}...

CustomStudyDialogTest.kt

Source:CustomStudyDialogTest.kt

1/*2 Copyright (c) 2020 David Allison <davidallisongithub@gmail.com>3 This program is free software; you can redistribute it and/or modify it under4 the terms of the GNU General Public License as published by the Free Software5 Foundation; either version 3 of the License, or (at your option) any later6 version.7 This program is distributed in the hope that it will be useful, but WITHOUT ANY8 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A9 PARTICULAR PURPOSE. See the GNU General Public License for more details.10 You should have received a copy of the GNU General Public License along with11 this program.  If not, see <http://www.gnu.org/licenses/>.12 */13package com.ichi2.anki.dialogs14import androidx.fragment.app.testing.FragmentScenario15import androidx.lifecycle.Lifecycle16import androidx.test.ext.junit.runners.AndroidJUnit417import com.afollestad.materialdialogs.DialogAction18import com.afollestad.materialdialogs.MaterialDialog19import com.ichi2.anki.R20import com.ichi2.anki.RobolectricTest21import com.ichi2.anki.dialogs.customstudy.CustomStudyDialog22import com.ichi2.anki.dialogs.customstudy.CustomStudyDialog.CustomStudyListener23import com.ichi2.anki.dialogs.customstudy.CustomStudyDialogFactory24import com.ichi2.libanki.Collection25import com.ichi2.libanki.sched.AbstractSched26import com.ichi2.testutils.JsonUtils.toOrderedString27import com.ichi2.testutils.ParametersUtils28import com.ichi2.utils.KotlinCleanup29import org.hamcrest.CoreMatchers.notNullValue30import org.hamcrest.MatcherAssert31import org.hamcrest.Matchers32import org.hamcrest.core.IsNull33import org.junit.After34import org.junit.Test35import org.junit.runner.RunWith36import org.mockito.Mockito37import org.mockito.kotlin.mock38import org.mockito.kotlin.whenever39import org.robolectric.annotation.Config40@RunWith(AndroidJUnit4::class)41class CustomStudyDialogTest : RobolectricTest() {42    private var mMockListener: CustomStudyListener? = null43    override fun setUp() {44        super.setUp()45        mMockListener = Mockito.mock(CustomStudyListener::class.java)46    }47    @After48    override fun tearDown() {49        super.tearDown()50        Mockito.reset(mMockListener)51    }52    @Test53    fun learnAheadCardsRegressionTest() {54        // #6289 - Regression Test55        val args = CustomStudyDialog(mock(), ParametersUtils.whatever())56            .withArguments(CustomStudyDialog.ContextMenuOption.STUDY_AHEAD, 1)57            .arguments58        val factory = CustomStudyDialogFactory({ this.col }, mMockListener)59        val scenario = FragmentScenario.launch(CustomStudyDialog::class.java, args, factory)60        scenario.moveToState(Lifecycle.State.STARTED)61        scenario.onFragment { f: CustomStudyDialog ->62            val dialog = f.dialog as MaterialDialog?63            MatcherAssert.assertThat(dialog, IsNull.notNullValue())64            dialog!!.getActionButton(DialogAction.POSITIVE).callOnClick()65        }66        val customStudy = col.decks.current()67        MatcherAssert.assertThat("Custom Study should be dynamic", customStudy.isDyn)68        MatcherAssert.assertThat("could not find deck: Custom study session", customStudy, notNullValue())69        customStudy.remove("id")70        customStudy.remove("mod")71        customStudy.remove("name")72        val expected = "{" +73            "\"browserCollapsed\":false," +74            "\"collapsed\":false," +75            "\"delays\":null," +76            "\"desc\":\"\"," +77            "\"dyn\":1," +78            "\"lrnToday\":[0,0]," +79            "\"newToday\":[0,0]," +80            "\"previewDelay\":10," +81            "\"resched\":true," +82            "\"revToday\":[0,0]," +83            "\"separate\":true," +84            "\"terms\":[[\"deck:\\\"Default\\\" prop:due<=1\",99999,6]]," +85            "\"timeToday\":[0,0]," +86            "\"usn\":-1" +87            "}"88        MatcherAssert.assertThat(customStudy.toOrderedString(), Matchers.`is`(expected))89    }90    @Test91    @Config(qualifiers = "en")92    @KotlinCleanup("Use kotlin based Mockito extensions")93    fun increaseNewCardLimitRegressionTest() {94        // #8338 - Regression Test95        val args = CustomStudyDialog(mock(), ParametersUtils.whatever())96            .withArguments(CustomStudyDialog.ContextMenuConfiguration.STANDARD, 1)97            .arguments98        // we are using mock collection for the CustomStudyDialog but still other parts of the code99        // access a real collection, so we must ensure that collection is loaded first100        // so we don't get net/ankiweb/rsdroid/BackendException$BackendDbException$BackendDbLockedException101        ensureCollectionLoadIsSynchronous()102        val mockCollection = Mockito.mock(Collection::class.java, Mockito.RETURNS_DEEP_STUBS)103        val mockSched = Mockito.mock(AbstractSched::class.java)104        whenever(mockCollection.sched).thenReturn(mockSched)105        whenever(mockSched.newCount()).thenReturn(0)106        val factory = CustomStudyDialogFactory({ mockCollection }, mMockListener)107        val scenario = FragmentScenario.launch(CustomStudyDialog::class.java, args, R.style.Theme_AppCompat, factory)108        scenario.moveToState(Lifecycle.State.STARTED)109        scenario.onFragment { f: CustomStudyDialog ->110            val dialog = f.dialog as MaterialDialog?111            MatcherAssert.assertThat(dialog, IsNull.notNullValue())112            MatcherAssert.assertThat(dialog!!.items, Matchers.not(Matchers.hasItem(getResourceString(R.string.custom_study_increase_new_limit))))113        }114    }115}...

Matchers.kt

Source:Matchers.kt

...98}99/**100 * `null` argument.101 */102fun <T : Any> isNull(): T? = ArgumentMatchers.isNull()103/**104 * Not `null` argument.105 */106fun <T : Any> isNotNull(): T? {107    return ArgumentMatchers.isNotNull()108}109/**110 * Not `null` argument.111 */112fun <T : Any> notNull(): T? {113    return ArgumentMatchers.notNull()114}115/**116 * Object argument that is reflection-equal to the given value with support for excluding...

NomisBatchServiceTest.kt

Source:NomisBatchServiceTest.kt

...5import org.mockito.ArgumentMatchers.any6import org.mockito.ArgumentMatchers.anyString7import org.mockito.ArgumentMatchers.eq8import org.mockito.ArgumentMatchers.isA9import org.mockito.ArgumentMatchers.isNull10import org.mockito.Mockito.never11import org.mockito.Mockito.times12import org.mockito.Mockito.verify13import org.mockito.kotlin.whenever14import org.springframework.beans.factory.annotation.Autowired15import org.springframework.boot.test.mock.mockito.MockBean16import org.springframework.test.context.ContextConfiguration17import org.springframework.test.context.junit.jupiter.SpringExtension18import uk.gov.justice.digital.hmpps.keyworker.config.RetryConfiguration19import uk.gov.justice.digital.hmpps.keyworker.dto.CaseloadUpdate20import uk.gov.justice.digital.hmpps.keyworker.dto.Prison21@ExtendWith(SpringExtension::class)22@ContextConfiguration(classes = [NomisBatchService::class, RetryConfiguration::class])23class NomisBatchServiceTest {24  @Autowired25  private lateinit var batchService: NomisBatchService26  @MockBean27  private lateinit var nomisService: NomisService28  @MockBean29  private lateinit var telemetryClient: TelemetryClient30  @Test31  fun enableNomis_makesPrisonApiCalls() {32    val prisons = listOf(MDI, LEI, LPI)33    whenever(nomisService.allPrisons).thenReturn(prisons)34    val MDIResponse = CaseloadUpdate.builder().caseload(MDI.prisonId).numUsersEnabled(2).build()35    whenever(nomisService.enableNewNomisForCaseload(eq(MDI.prisonId))).thenReturn(MDIResponse)36    val LEIResponse = CaseloadUpdate.builder().caseload(LEI.prisonId).numUsersEnabled(0).build()37    whenever(nomisService.enableNewNomisForCaseload(eq(LEI.prisonId))).thenReturn(LEIResponse)38    val LPIResponse = CaseloadUpdate.builder().caseload(LPI.prisonId).numUsersEnabled(14).build()39    whenever(nomisService.enableNewNomisForCaseload(eq(LPI.prisonId))).thenReturn(LPIResponse)40    batchService.enableNomis()41    verify(nomisService).allPrisons42    verify(nomisService).enableNewNomisForCaseload(eq(MDI.prisonId))43    verify(nomisService).enableNewNomisForCaseload(eq(LEI.prisonId))44    verify(nomisService).enableNewNomisForCaseload(eq(LPI.prisonId))45    verify(telemetryClient, times(3)).trackEvent(46      eq("ApiUsersEnabled"),47      isA(48        Map::class.java49      ) as MutableMap<String, String>?,50      isNull()51    )52  }53  @Test54  fun testEnabledNewNomisCamelRoute_NoOpOnGetAllPrisonsError() {55    whenever(nomisService.allPrisons).thenThrow(RuntimeException("Error"))56    batchService.enableNomis()57    verify(nomisService).allPrisons58    verify(nomisService, never()).enableNewNomisForCaseload(anyString())59    verify(telemetryClient, times(0)).trackEvent(60      anyString(),61      any(62        Map::class.java63      ) as MutableMap<String, String>?,64      isNull()65    )66  }67  @Test68  fun testEnabledNewNomisCamelRoute_RetriesOnEnablePrisonsError() {69    val prisons = listOf(MDI)70    whenever(nomisService.allPrisons).thenReturn(prisons)71    val MDIResponse = CaseloadUpdate.builder().caseload(MDI.prisonId).numUsersEnabled(2).build()72    whenever(nomisService.enableNewNomisForCaseload(eq(MDI.prisonId)))73      .thenThrow(RuntimeException("Error"))74      .thenReturn(MDIResponse)75    batchService.enableNomis()76    verify(nomisService).allPrisons77    verify(nomisService, times(2)).enableNewNomisForCaseload(eq(MDI.prisonId))78    verify(telemetryClient, times(1)).trackEvent(79      eq("ApiUsersEnabled"),80      any(81        Map::class.java82      ) as MutableMap<String, String>?,83      isNull()84    )85  }86  companion object {87    private val MDI = Prison.builder().prisonId("MDI").build()88    private val LEI = Prison.builder().prisonId("LEI").build()89    private val LPI = Prison.builder().prisonId("LPI").build()90  }91}...

AuthenticateDeviceUseCaseTests.kt

Source:AuthenticateDeviceUseCaseTests.kt

...15import org.mockito.Mockito16import org.mockito.Spy17import org.mockito.junit.MockitoJUnitRunner18import org.mockito.kotlin.any19import org.mockito.kotlin.isNull20import org.mockito.kotlin.verify21import org.mockito.kotlin.whenever22import org.mockito.kotlin.eq23import org.mockito.kotlin.argumentCaptor24@RunWith(MockitoJUnitRunner::class)25class AuthenticateDeviceUseCaseTests {26    @Mock27    lateinit var clientMock: OneginiClient28    @Mock29    lateinit var oneginiDeviceAuthenticationErrorMock: OneginiDeviceAuthenticationError30    @Mock31    lateinit var deviceClientMock: DeviceClient32    @Mock33    lateinit var callMock: MethodCall34    @Spy35    lateinit var resultSpy: MethodChannel.Result36    @Before37    fun attach() {38        whenever(clientMock.deviceClient).thenReturn(deviceClientMock)39    }40    @Test41    fun `should return error when sdk returned authentication error`() {42        whenever(callMock.argument<ArrayList<String>>("scope")).thenReturn(null)43        whenever(oneginiDeviceAuthenticationErrorMock.errorType).thenReturn(OneginiDeviceAuthenticationError.GENERAL_ERROR)44        whenever(oneginiDeviceAuthenticationErrorMock.message).thenReturn("General error")45        whenever(deviceClientMock.authenticateDevice(isNull(), any())).thenAnswer {46            it.getArgument<OneginiDeviceAuthenticationHandler>(1).onError(oneginiDeviceAuthenticationErrorMock)47        }48        AuthenticateDeviceUseCase(clientMock)(callMock, resultSpy)49        verify(resultSpy).error(oneginiDeviceAuthenticationErrorMock.errorType.toString(), oneginiDeviceAuthenticationErrorMock.message, null)50    }51    @Test52    fun `should return success when SDK returned authentication success`() {53        whenever(callMock.argument<ArrayList<String>>("scope")).thenReturn(arrayListOf("test"))54        whenever(deviceClientMock.authenticateDevice(eq(arrayOf("test")), any())).thenAnswer {55            it.getArgument<OneginiDeviceAuthenticationHandler>(1).onSuccess()56        }57        AuthenticateDeviceUseCase(clientMock)(callMock, resultSpy)58        verify(resultSpy).success(true)59    }...

FormViewModelTest.kt

Source:FormViewModelTest.kt

1package io.github.gianpamx.android.architecture.form2import android.arch.core.executor.testing.InstantTaskExecutorRule3import com.nhaarman.mockito_kotlin.any4import com.nhaarman.mockito_kotlin.argumentCaptor5import com.nhaarman.mockito_kotlin.isNull6import com.nhaarman.mockito_kotlin.verify7import io.github.gianpamx.android.architecture.entity.Form8import io.github.gianpamx.android.architecture.providers.DateTimeProvider9import io.github.gianpamx.android.architecture.providers.VersionProvider10import io.github.gianpamx.android.architecture.usecase.GetFormUseCase11import io.github.gianpamx.android.architecture.usecase.SaveFormUseCase12import org.junit.Assert.*13import org.junit.Before14import org.junit.Rule15import org.junit.Test16import org.junit.runner.RunWith17import org.mockito.ArgumentMatchers.anyString18import org.mockito.Mock19import org.mockito.junit.MockitoJUnitRunner20import java.util.*21private val FIRST_DATE = Date()22private val SECOND_DATE = Date(FIRST_DATE.time + 1000)23private const val ANY_NAME = "ANY_NAME"24private const val ANY_PHONE = "ANY_PHONE"25@RunWith(MockitoJUnitRunner::class)26class FormViewModelTest {27    @Rule28    @JvmField29    val instantExecutor = InstantTaskExecutorRule()30    @Mock31    lateinit var dateTimeProvider: DateTimeProvider32    @Mock33    lateinit var saveFormUseCase: SaveFormUseCase34    @Mock35    lateinit var getFormUseCase: GetFormUseCase36    @Mock37    lateinit var versionProvider: VersionProvider38    lateinit var formViewModel: FormViewModel39    @Before40    fun setUp() {41        formViewModel = FormViewModel(dateTimeProvider, saveFormUseCase, getFormUseCase, versionProvider)42    }43    @Test44    fun ticker() {45        val captor = argumentCaptor<DateTimeProvider.Listener>()46        verify(dateTimeProvider).start(captor.capture())47        captor.firstValue.onTick(FIRST_DATE)48        assertEquals(FIRST_DATE, formViewModel.dateTime.value);49        captor.firstValue.onTick(SECOND_DATE)50        assertEquals(SECOND_DATE, formViewModel.dateTime.value);51    }52    @Test53    fun sendFailure() {54        val captor = argumentCaptor<(Throwable) -> Unit>()55        formViewModel.send("ANY_STRING", "ANY_STRING")56        verify(saveFormUseCase).execute(anyString(), anyString(), any(), captor.capture())57        captor.firstValue.invoke(Exception())58        assertTrue(formViewModel.error.value is Exception)59    }60    @Test61    fun sendSuccessfully() {62        val captor = argumentCaptor<() -> Unit>()63        formViewModel.send(ANY_NAME, ANY_PHONE)64        verify(saveFormUseCase).execute(anyString(), anyString(), captor.capture(), any())65        captor.firstValue.invoke()66        assertTrue(formViewModel.isFormSaved.value!!)67    }68    @Test69    fun existingFormData() {70        val captor = argumentCaptor<(Form) -> Unit>()71        verify(getFormUseCase).execute(captor.capture(), isNull())72        captor.firstValue.invoke(Form(ANY_NAME, ANY_PHONE))73        assertTrue(formViewModel.isFormSaved.value!!)74    }75    @Test76    fun formNotSaved() {77        verify(getFormUseCase).execute(any(), isNull())78        assertFalse(formViewModel.isFormSaved.value!!)79    }80}...

MatchersExtensions.kt

Source:MatchersExtensions.kt

...40inline fun <reified T : Any> refEq(value: T, vararg excludeFields: String): T =41  ArgumentMatchers.refEq(value, *excludeFields).toNotNull()42inline fun <reified T : Any> same(value: T): T =43  ArgumentMatchers.same(value).toNotNull()44inline fun <reified T : Any> isNull(): T =45  ArgumentMatchers.isNull<T>().toNotNull()46inline fun <reified T : Any> notNull(): T =47  ArgumentMatchers.notNull<T>().toNotNull()48fun contains(substring: String): String =49  ArgumentMatchers.contains(substring).toNotNull()50fun matches(regex: String): String =51  ArgumentMatchers.matches(regex).toNotNull()52fun endsWith(suffix: String): String =53  ArgumentMatchers.endsWith(suffix).toNotNull()54fun startsWith(prefix: String): String =55  ArgumentMatchers.startsWith(prefix).toNotNull()56inline fun <reified T : Any> argThat(matcher: ArgumentMatcher<T>): T =57  ArgumentMatchers.argThat(matcher).toNotNull()...

isNull

Using AI Code Generation

1val mockedList = mock<MutableList<String>>()2whenever(mockedList[0]).thenReturn("first")3whenever(mockedList[1]).thenReturn("second")4whenever(mockedList[2]).thenReturn("third")5whenever(mockedList[3]).thenReturn("fourth")6whenever(mockedList[4]).thenReturn("fifth")7whenever(mockedList[5]).thenReturn("sixth")8whenever(mockedList[6]).thenReturn("seventh")9whenever(mockedList[7]).thenReturn("eighth")10whenever(mockedList[8]).thenReturn("ninth")11whenever(mockedList[9]).thenReturn("tenth")12whenever(mockedList[10]).thenReturn("eleventh")13whenever(mockedList[11]).thenReturn("twelfth")14whenever(mockedList[12]).thenReturn("thirteenth")15whenever(mockedList[13]).thenReturn("fourteenth")16whenever(mockedList[14]).thenReturn("fifteenth")17whenever(mockedList[15]).thenReturn("sixteenth")18whenever(mockedList[16]).thenReturn("seventeenth")19whenever(mockedList[17]).thenReturn("eighteenth")20whenever(mockedList[18]).thenReturn("nineteenth")21whenever(mockedList[19]).thenReturn("twentieth")22whenever(mockedList[20]).thenReturn("twenty first")23whenever(mockedList[21]).thenReturn("twenty second")24whenever(mockedList[22]).thenReturn("twenty third")25whenever(mockedList[23]).thenReturn("twenty fourth")26whenever(mockedList[24]).thenReturn("twenty fifth")27whenever(mockedList[25]).thenReturn("twenty sixth")28whenever(mockedList[26]).thenReturn("twenty seventh")29whenever(mockedList[27]).thenReturn("twenty eighth")30whenever(mockedList[28]).thenReturn("twenty ninth")31whenever(mockedList[29]).thenReturn("thirtieth")32whenever(mockedList[30]).thenReturn("thirty first")33whenever(mockedList[31]).thenReturn("thirty second")34whenever(mockedList[32]).thenReturn("thirty third")35whenever(mockedList[33]).thenReturn("thirty fourth")36whenever(mockedList[34]).thenReturn("thirty fifth")37whenever(mockedList[35]).thenReturn("thirty sixth")38whenever(mockedList[36]).thenReturn("thirty seventh")39whenever(mockedList[37]).thenReturn("thirty eighth")40whenever(mockedList[38]).thenReturn("thirty ninth")

isNull

Using AI Code Generation

1val mockedList = mock<MutableList<String>>()2whenever(mockedList[0]).thenReturn("first")3println(mockedList[0])4verify(mockedList)[0]5whenever(mockedList.contains(argThat { it.startsWith("foo") })).thenReturn(true)6whenever(mockedList.contains(nullable())).thenReturn(true)7whenever(mockedList.contains(isNull())).thenReturn(true)8doThrow(NullPointerException::class.java).whenever(mockedList).clear()9mockedList.clear()10val mockedList = mock<MutableList<String>>()11mockedList.add("one")12mockedList.clear()13verify(mockedList).add("one")14verify(mockedList).clear()15val mockedList = mock<MutableList<String>>()16mockedList.add("one")17val argument = argumentCaptor<String>()18verify(mockedList).add(argument.capture())19println(argument.firstValue)20val mockedList = mock<MutableList<String>>()21mockedList.add("one")22mockedList.add("two")23val argument = argumentCaptor<String>()24verify(mockedList, times(2)).add(argument.capture())25println(argument.allValues)26val mockedList = mock<MutableList<String>>()27mockedList.add("one")28mockedList.add("two")29val argument = argumentCaptor<String>()30verify(mockedList, atLeastOnce()).add(argument.capture())31println(argument.allValues)32val mockedList = mock<MutableList<String>>()33mockedList.add("one")34mockedList.add("two")35val argument = argumentCaptor<String>()36verify(mockedList, atLeast(2)).add(argument.capture())37println(argument.allValues)38val mockedList = mock<MutableList<String>>()39mockedList.add("one")

isNull

Using AI Code Generation

1    val mock: MyInterface = mock()2    whenever(mock.myMethod(anyOrNull())).thenReturn("Hello")3    assertEquals("Hello", mock.myMethod(null))4    assertEquals("Hello", mock.myMethod("World"))5    val mock: MyInterface = mock()6    whenever(mock.myMethod(isNull())).thenReturn("Hello")7    assertEquals("Hello", mock.myMethod(null))8    assertEquals("Hello", mock.myMethod("World"))9}10@Suppress("unused")11interface MyInterface {12    fun myMethod(param: String?): String13}

isNull

Using AI Code Generation

1val mockedList = mock<MutableList<String>>()2mockedList.add("one")3verify(mockedList).add("one")4verify(mockedList).add(isNull())5verify(mockedList).add(isA<String>())6verify(mockedList).add(argThat { it == "one" })7verify(mockedList).add(check { it == "one" })8verify(mockedList).add(eq("one"))9verify(mockedList).add(any())10verify(mockedList).add(anyOrNull())11verify(mockedList).add(anyVararg())12verify(mockedList).add(anyVarargOrNull())13verify(mockedList).add(anyVararg())14verify(mockedList).add(anyVarargOrNull())15verify(mockedList).add(anyVararg())16verify(mockedList).add(anyVarargOrNull())17verify(mockedList).add(anyVararg())

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.