Kaspresso Testing Blog Code

activity_grade_calculator.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:padding="16dp"
    tools:context=".GradeCalculatorActivity">

    <androidx.appcompat.widget.AppCompatEditText
        android:id="@+id/etMarks"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:hint="@string/hint_enter_your_marks"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <androidx.appcompat.widget.AppCompatTextView
        android:id="@+id/tvGrade"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:textAppearance="@style/TextAppearance.AppCompat.Large"
        android:textColor="@color/colorAccent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/etMarks"
        tools:text="Your Grade Is: A" />

    <androidx.appcompat.widget.AppCompatButton
        android:id="@+id/btSubmit"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:text="@string/submit"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent" />

</androidx.constraintlayout.widget.ConstraintLayout>

FormScreen.kt

class FormScreen : Screen<FormScreen>() {
    val phone = KView { withId(R.id.phone) }
    val email = KEditText { withId(R.id.email) }
    val submit = KButton { withId(R.id.submit) }
}

FormTest.kt

onScreen<FormScreen> {
    phone {
       hasText("971201771")
    }
    button {
       click()
    }
}

GradeCalculator.kt

class GradeCalculator {

    var totalMarks = 0

    fun getGrade(obtainedMarks: Int, totalMarks: Int): String {
        val percentage = getPercentage(obtainedMarks, totalMarks)
        return when {
            percentage >= 90 -> "A"
            percentage in 80..89 -> "B"
            percentage in 70..79 -> "C"
            percentage in 60..69 -> "D"
            else -> "F"
        }
    }

    private fun getPercentage(obtainedMarks: Int, totalMarks: Int): Int {
        return  (obtainedMarks / totalMarks.toFloat() * 100).roundToInt()
    }
}

GradeCalculatorActivity.kt

class GradeCalculatorActivity : AppCompatActivity() {

    companion object {
        private const val TOTAL_MARKS = 100
    }

    private val gradeCalculator = GradeCalculator()

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_grade_calculator)
        btSubmit.setOnClickListener {
            val inputMarks = etMarks.text.toString().toInt()
            val grade = gradeCalculator.getGrade(inputMarks, TOTAL_MARKS)
            tvGrade.text = "Your Grade is: $grade"
        }
    }
}

GradeCalculatorScreen.kt

import com.agoda.kakao.edit.KEditText
import com.agoda.kakao.screen.Screen
import com.agoda.kakao.text.KButton
import com.agoda.kakao.text.KTextView
import com.zuhaibahmad.kaspressotestingdemo.R

class GradeCalculatorScreen: Screen<GradeCalculatorScreen>() {
    val inputMarks = KEditText { withId(R.id.etMarks) }
    val buttonSubmit = KButton { withId(R.id.btSubmit) }
    val labelGrade = KTextView { withId(R.id.tvGrade) }
}

GradeCalculatorSpec.kt

class GradeCalculatorSpec : BehaviorSpec({

    Given("a grade calculator") {
        val calculator = spyk(GradeCalculator())

        every { calculator.totalMarks } returns 100
        val total = calculator.totalMarks

        When("obtained marks are 90 or above") {
            val grade = calculator.getGrade(93, total)

            Then("grade is A") {
                grade.shouldBe("A")
            }
        }
        When("obtained marks are between 80 and 89") {
            val grade = calculator.getGrade(88, total)

            Then("grade is B") {
                grade.shouldBe("B")
            }
        }
        When("obtained marks are between 70 and 79") {
            val grade = calculator.getGrade(78, total)

            Then("grade is C") {
                grade.shouldBe("C")
            }
        }
        When("obtained marks are between 60 and 69") {
            val grade = calculator.getGrade(68, total)

            Then("grade is D") {
                grade.shouldBe("D")
            }
        }
        When("obtained marks are below 60") {
            val grade = calculator.getGrade(59, total)
            Then("grade is F") {
                grade.shouldBe("F")
            }
        }
    }
})

GradeCalculatorUiTestStep1.kt

import androidx.test.rule.ActivityTestRule
import com.kaspersky.kaspresso.testcases.api.testcase.TestCase
import com.zuhaibahmad.kaspressotestingdemo.screens.GradeCalculatorScreen
import org.junit.Rule
import org.junit.Test

class GradeCalculatorUiTest : TestCase() {

    @Rule
    @JvmField
    var rule = ActivityTestRule(GradeCalculatorActivity::class.java, false, false)

    val screen = GradeCalculatorScreen()

    @Test
    fun onCorrectScoreSubmit_shouldDisplayCorrectGrade() = before {
        // No-op
    }.after {
        // No-op
    }.run {
        screen {
            step("Open grade calculator screen") {
                rule.launchActivity(null)
            }

            step("Submit obtained marks") {
                inputMarks.replaceText("90")
                buttonSubmit.click()
            }

            step("Verify the displayed grade is correct") {
                labelGrade.hasText("Your Grade is: A")
            }
        }
    }
}

TestDeps.gradle

testImplementation 'junit:junit:4.13'
implementation 'androidx.test:core:1.2.0'
androidTestImplementation 'androidx.test.ext:junit:1.1.1'
testImplementation 'io.kotlintest:kotlintest-runner-junit5:3.1.7'
testImplementation 'io.mockk:mockk:1.9.3'
androidTestImplementation 'com.kaspersky.android-components:kaspresso:1.1.0'

TestOutput.txt

 KASPRESSO  I  ---------------------------------------------------------------------------
                         I  BEFORE TEST SECTION
                         I  ---------------------------------------------------------------------------
                         I  ---------------------------------------------------------------------------
                         I  TEST SECTION
                         I  ---------------------------------------------------------------------------
                         I  ___________________________________________________________________________
                         I  TEST STEP: "1. Open grade calculator screen" in GradeCalculatorUiTest
       ActivityTestRule  W  getActivityIntent() returned null using default: Intent(Intent.ACTION_MAIN)
         ActivityThread  W  handleWindowVisibility: no activity for token android.os.BinderProxy@efc119d
       LifecycleMonitor  D  Lifecycle status change: com.zuhaibahmad.kaspressotestingdemo.GradeCalculatorActivity@76bf15e in: PRE_ON_CREATE
                         D  running callback: com.kaspersky.kaspresso.device.languages.LanguageImpl$lifecycleCallback$1@934993f
                         D  callback completes: com.kaspersky.kaspresso.device.languages.LanguageImpl$lifecycleCallback$1@934993f
         essotestingdem  W  Accessing hidden method Landroid/graphics/drawable/Drawable;->getOpticalInsets()Landroid/graphics/Insets; (light greylist, linking)
                         W  Accessing hidden field Landroid/graphics/Insets;->left:I (light greylist, linking)
                         W  Accessing hidden field Landroid/graphics/Insets;->right:I (light greylist, linking)
                         W  Accessing hidden field Landroid/graphics/Insets;->top:I (light greylist, linking)
                         W  Accessing hidden field Landroid/graphics/Insets;->bottom:I (light greylist, linking)
                         W  Accessing hidden method Landroid/view/View;->getAccessibilityDelegate()Landroid/view/View$AccessibilityDelegate; (light greylist, linking)
                         W  Accessing hidden method Landroid/view/View;->computeFitSystemWindows(Landroid/graphics/Rect;Landroid/graphics/Rect;)Z (light greylist, reflect
                            ion)
                         W  Accessing hidden method Landroid/view/ViewGroup;->makeOptionalFitsSystemWindows()V (light greylist, reflection)
                         W  Accessing hidden method Landroid/widget/TextView;->getTextDirectionHeuristic()Landroid/text/TextDirectionHeuristic; (light greylist, linking)
       LifecycleMonitor  D  Lifecycle status change: com.zuhaibahmad.kaspressotestingdemo.GradeCalculatorActivity@76bf15e in: CREATED
                         D  running callback: com.kaspersky.kaspresso.device.languages.LanguageImpl$lifecycleCallback$1@934993f
                         D  callback completes: com.kaspersky.kaspresso.device.languages.LanguageImpl$lifecycleCallback$1@934993f
                         D  Lifecycle status change: com.zuhaibahmad.kaspressotestingdemo.GradeCalculatorActivity@76bf15e in: STARTED
                         D  running callback: com.kaspersky.kaspresso.device.languages.LanguageImpl$lifecycleCallback$1@934993f
                         D  callback completes: com.kaspersky.kaspresso.device.languages.LanguageImpl$lifecycleCallback$1@934993f
                         D  Lifecycle status change: com.zuhaibahmad.kaspressotestingdemo.GradeCalculatorActivity@76bf15e in: RESUMED
                         D  running callback: com.kaspersky.kaspresso.device.languages.LanguageImpl$lifecycleCallback$1@934993f
                         D  callback completes: com.kaspersky.kaspresso.device.languages.LanguageImpl$lifecycleCallback$1@934993f
         OpenGLRenderer  D  HWUI GL Pipeline
         HostConnection  D  HostConnection::get() New Host Connection established 0xe8b21370, tid 6867
                         D  HostComposition ext ANDROID_EMU_CHECKSUM_HELPER_v1 ANDROID_EMU_dma_v1 ANDROID_EMU_YUV420_888_to_NV21 ANDROID_EMU_YUV_Cache ANDROID_EMU_async_u
                            nmap_buffer GL_OES_vertex_array_object GL_KHR_texture_compression_astc_ldr ANDROID_EMU_gles_max_version_2
            ConfigStore  I  android::hardware::configstore::V1_0::ISurfaceFlingerConfigs::hasWideColorDisplay retrieved: 0
                         I  android::hardware::configstore::V1_0::ISurfaceFlingerConfigs::hasHDRDisplay retrieved: 0
         OpenGLRenderer  I  Initialized EGL, version 1.4
                         D  Swap behavior 1
                         W  Failed to choose config with EGL_SWAP_BEHAVIOR_PRESERVED, retrying without...
                         D  Swap behavior 0
         eglCodecCommon  D  setVertexArrayObject: set vao to 0 (0) 0 0
          EGL_emulation  D  eglCreateContext: 0xe8b05420: maj 2 min 0 rcv 2
                         D  eglMakeCurrent: 0xe8b05420: ver 2 0 (tinfo 0xe8b03790)
         HostConnection  D  createUnique: call
                         D  HostConnection::get() New Host Connection established 0xe8b215f0, tid 6867
                         D  HostComposition ext ANDROID_EMU_CHECKSUM_HELPER_v1 ANDROID_EMU_dma_v1 ANDROID_EMU_YUV420_888_to_NV21 ANDROID_EMU_YUV_Cache ANDROID_EMU_async_u
                            nmap_buffer GL_OES_vertex_array_object GL_KHR_texture_compression_astc_ldr ANDROID_EMU_gles_max_version_2
         eglCodecCommon  E  GoldfishAddressSpaceHostMemoryAllocator: ioctl_ping failed for device_type=5, ret=-1
          EGL_emulation  D  eglMakeCurrent: 0xe8b05420: ver 2 0 (tinfo 0xe8b03790)
        AssistStructure  I  Flattened final assist data: 2688 bytes, containing 1 windows, 9 views
              KASPRESSO  I  TEST STEP: "1. Open grade calculator screen" in GradeCalculatorUiTest SUCCEED. It took 0 minutes, 0 seconds and 339 millis.
                         I  ___________________________________________________________________________
              KASPRESSO  I  ___________________________________________________________________________
                         I  TEST STEP: "2. Submit obtained marks" in GradeCalculatorUiTest
         essotestingdem  W  Accessing hidden method Landroid/os/MessageQueue;->next()Landroid/os/Message; (light greylist, reflection)
                         W  Accessing hidden field Landroid/os/MessageQueue;->mMessages:Landroid/os/Message; (light greylist, reflection)
                         W  Accessing hidden method Landroid/os/Message;->recycleUnchecked()V (light greylist, reflection)
                         W  Accessing hidden method Landroid/view/WindowManagerGlobal;->getInstance()Landroid/view/WindowManagerGlobal; (light greylist, reflection)
                         W  Accessing hidden field Landroid/view/WindowManagerGlobal;->mViews:Ljava/util/ArrayList; (light greylist, reflection)
                         W  Accessing hidden field Landroid/view/WindowManagerGlobal;->mParams:Ljava/util/ArrayList; (light greylist, reflection)
        ViewInteraction  I  Performing 'replace text(90)' action on view (with id: com.zuhaibahmad.kaspressotestingdemo:id/etMarks)
              KASPRESSO  I  replace text(90) on AppCompatEditText(id=etMarks;hint=Enter Your Marks;)
         essotestingdem  W  Accessing hidden method Landroid/view/ViewConfiguration;->getDoubleTapMinTime()I (light greylist, reflection)
        ViewInteraction  I  Performing 'single click' action on view (with id: com.zuhaibahmad.kaspressotestingdemo:id/btSubmit)
              KASPRESSO  I  single click on AppCompatButton(id=btSubmit;text=Submit;)
                         I  TEST STEP: "2. Submit obtained marks" in GradeCalculatorUiTest SUCCEED. It took 0 minutes, 0 seconds and 315 millis.
                         I  ___________________________________________________________________________
              KASPRESSO  I  ___________________________________________________________________________
                         I  TEST STEP: "3. Verify the displayed grade is correct" in GradeCalculatorUiTest
        ViewInteraction  I  Checking 'com.kaspersky.kaspresso.proxy.ViewAssertionProxy@d4df345' assertion on view (with id: com.zuhaibahmad.kaspressotestingdemo:id/tvGrad
                            e)
              KASPRESSO  I  Check with text: is "Your Grade is: A" on AppCompatTextView(id=tvGrade;text=Your Grade is: A;)
                         I  TEST STEP: "3. Verify the displayed grade is correct" in GradeCalculatorUiTest SUCCEED. It took 0 minutes, 0 seconds and 5 millis.
                         I  ___________________________________________________________________________
              KASPRESSO  I  ---------------------------------------------------------------------------
                         I  AFTER TEST SECTION
                         I  ---------------------------------------------------------------------------
                         I  ---------------------------------------------------------------------------
                         I  TEST PASSED
                         I  ---------------------------------------------------------------------------