Merge pull request #8 from hakodeveloper/feature/add-fragment-test

Shortform fragment testing

core/build.gradle

@@ -29,5 +29,14 @@ dependencies {
   api deps.core.rx.android
   api deps.core.thirdparty.timber
 
+  api deps.testing.junit
+  api deps.testing.koin
+  api deps.testing.core
+  api deps.testing.rules
+  api deps.testing.runner
+  api deps.testing.ext
+  api deps.testing.espresso
+  api deps.testing.fragments
+
   kapt deps.core.room.compiler
 }

core/src/main/java/dev/carlos/core/extensions/TestingExtensions.kt

@@ -0,0 +1,79 @@
+package dev.carlos.core.extensions
+
+import android.view.KeyEvent
+import androidx.annotation.IdRes
+import androidx.annotation.RestrictTo
+import androidx.test.espresso.Espresso
+import androidx.test.espresso.ViewInteraction
+import androidx.test.espresso.action.ViewActions
+import androidx.test.espresso.action.ViewActions.closeSoftKeyboard
+import androidx.test.espresso.action.ViewActions.typeText
+import androidx.test.espresso.assertion.ViewAssertions
+import androidx.test.espresso.matcher.ViewMatchers
+import androidx.test.espresso.matcher.ViewMatchers.withText
+import org.hamcrest.Matchers
+import org.hamcrest.Matchers.allOf
+import org.junit.Assert
+
+@RestrictTo(RestrictTo.Scope.TESTS)
+fun String.isTextDisplayed() = Espresso.onView(withText(this)).check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
+
+@RestrictTo(RestrictTo.Scope.TESTS)
+fun Int.isDisplayed(): ViewInteraction = Espresso.onView(ViewMatchers.withId(this))
+    .check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
+
+@RestrictTo(RestrictTo.Scope.TESTS)
+fun Int.isNotDisplayed(): ViewInteraction = Espresso.onView(ViewMatchers.withId(this))
+    .check(ViewAssertions.matches(Matchers.not(ViewMatchers.isDisplayed())))
+
+@RestrictTo(RestrictTo.Scope.TESTS)
+fun Int.click(): ViewInteraction = Espresso.onView(ViewMatchers.withId(this))
+    .check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
+    .perform(ViewActions.click())
+
+@RestrictTo(RestrictTo.Scope.TESTS)
+fun Int.clickOnClickWithId(@IdRes childId: Int): ViewInteraction = Espresso.onView(
+    allOf(
+        ViewMatchers.withId(childId),
+        ViewMatchers.withParent(ViewMatchers.withId(this))
+    )
+)
+    .check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
+    .perform(ViewActions.click())
+
+@RestrictTo(RestrictTo.Scope.TESTS)
+fun Int.clickOnClickWithText(text: String): ViewInteraction = Espresso.onView(
+    allOf(
+        withText(text),
+        ViewMatchers.withParent(ViewMatchers.withId(this))
+    )
+)
+    .check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
+    .perform(ViewActions.click())
+
+@RestrictTo(RestrictTo.Scope.TESTS)
+fun Int.typeOn(text: String): ViewInteraction = Espresso.onView(ViewMatchers.withId(this)).perform(typeText(text), closeSoftKeyboard())
+
+@RestrictTo(RestrictTo.Scope.TESTS)
+fun Int.pressEnterKey(): ViewInteraction = Espresso.onView(ViewMatchers.withId(this))
+    .perform(ViewActions.pressKey(KeyEvent.KEYCODE_ENTER))
+
+@RestrictTo(RestrictTo.Scope.TESTS)
+fun String.isDisplayed(): ViewInteraction = Espresso.onView(ViewMatchers.withSubstring(this))
+    .check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
+
+@RestrictTo(RestrictTo.Scope.TESTS)
+fun String.isHinted(): ViewInteraction = Espresso.onView(ViewMatchers.withHint(this))
+    .check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
+
+@RestrictTo(RestrictTo.Scope.TESTS)
+fun String.isNotDisplayed(): ViewInteraction = Espresso.onView(withText(this))
+    .check(ViewAssertions.matches(Matchers.not(ViewMatchers.isDisplayed())))
+
+@RestrictTo(RestrictTo.Scope.TESTS)
+fun String.click(): ViewInteraction = Espresso.onView(withText(this))
+    .check(ViewAssertions.matches(ViewMatchers.isDisplayed()))
+    .perform(ViewActions.click())
+
+@RestrictTo(RestrictTo.Scope.TESTS)
+fun <T> T.isEquals(actual: T) = Assert.assertEquals(this, actual)

shortform/build.gradle

@@ -13,4 +13,6 @@ android {
 
 dependencies {
   implementation project(':core')
+  testImplementation project(':core')
+  androidTestImplementation project(':core')
 }

shortform/src/androidTest/java/dev/carlos/shortform/feature/MockShortformRepository.kt

@@ -0,0 +1,15 @@
+package dev.carlos.shortform.feature
+
+import dev.carlos.shortform.data.models.ShortformModel
+import dev.carlos.shortform.domain.ShortformRepository
+import io.reactivex.Single
+
+class MockShortformRepository(
+    private val searchedAcronym: String,
+    private val response: List<ShortformModel.LongformModel>
+) :
+    ShortformRepository {
+    override fun getShortformDefinition(acronym: String): Single<ShortformModel> {
+        return Single.fromCallable { ShortformModel(searchedAcronym, response) }
+    }
+}

shortform/src/androidTest/java/dev/carlos/shortform/feature/ShortformFragmentTest.kt

@@ -0,0 +1,96 @@
+package dev.carlos.shortform.feature
+
+import androidx.fragment.app.testing.launchFragmentInContainer
+import androidx.test.platform.app.InstrumentationRegistry
+import dev.carlos.core.extensions.isTextDisplayed
+import dev.carlos.core.extensions.pressEnterKey
+import dev.carlos.core.extensions.typeOn
+import dev.carlos.core.scheduler.Scheduler
+import dev.carlos.core.scheduler.SchedulerProvider
+import dev.carlos.shortform.R
+import dev.carlos.shortform.data.models.ShortformModel
+import dev.carlos.shortform.domain.GetShortformDefinition
+import dev.carlos.shortform.domain.ShortformRepository
+import dev.carlos.shortform.viewmodels.ShortformViewmodel
+import org.junit.After
+import org.junit.Before
+import org.junit.Test
+import org.koin.androidx.viewmodel.dsl.viewModel
+import org.koin.core.context.loadKoinModules
+import org.koin.core.context.startKoin
+import org.koin.core.context.stopKoin
+import org.koin.dsl.module
+import java.lang.Thread.sleep
+
+class ShortformFragmentTest {
+
+    @Before
+    fun setupKoin() {
+        startKoin {
+            InstrumentationRegistry.getInstrumentation().targetContext
+            modules(module {
+                factory { GetShortformDefinition(get(), get()) }
+                single<Scheduler> { SchedulerProvider() }
+                viewModel { ShortformViewmodel(get()) }
+            })
+        }
+    }
+
+    @After
+    fun killKoin() {
+        stopKoin()
+    }
+
+    @Test
+    fun shouldShowLongforms_whenSearchingForValidAcronym() {
+        acronyms {
+            searchValidAcronym()
+        } should {
+            showLongforms()
+        }
+    }
+
+    private fun acronyms(func: AcronymsRobot.() -> Unit) =
+        AcronymsRobot().apply {
+            func()
+        }
+}
+
+class AcronymsRobot {
+
+    fun searchValidAcronym() {
+        loadKoinModules(
+            module {
+                factory<ShortformRepository> { MockShortformRepository("Valid", loadTwoLongforms()) }
+            }
+        )
+        launchFragmentInContainer<ShortformFragment>()
+        R.id.shortform_definition_search_field.typeOn("Valid")
+        R.id.shortform_definition_search_field.pressEnterKey()
+    }
+
+    infix fun should(func: AcronymsResult.() -> Unit) {
+        AcronymsResult().apply { func() }
+    }
+
+    private fun loadTwoLongforms() = listOf(
+        ShortformModel.LongformModel(
+            "Valid 1",
+            1,
+            101
+        ),
+        ShortformModel.LongformModel(
+            "Valid 2",
+            2,
+            102
+        )
+    )
+}
+
+class AcronymsResult {
+    fun showLongforms() {
+        sleep(200)
+        "Valid 1".isTextDisplayed()
+        "Valid 2".isTextDisplayed()
+    }
+}

versions.gradle

@@ -18,10 +18,11 @@ versions.timber = "4.7.1"
 versions.koin = "2.2.3"
 versions.rx_core = "2.2.21"
 versions.rx_android = "2.1.1"
-versions.junit = "4.13.2"
+versions.junit = "4.13"
-versions.test = "1.3.0"
+versions.test = "1.2.0"
-versions.test_ext = "1.1.2"
+versions.test_ext = "1.1.1"
-versions.espresso = "3.3.0"
+versions.espresso = "3.2.0"
+versions.fragments = "1.2.0"
 
 def build_versions = [:]
 build_versions.min_sdk = 21
@@ -105,8 +106,9 @@ testing.core = "androidx.test:core:$versions.test"
 testing.rules = "androidx.test:rules:$versions.test"
 testing.runner = "androidx.test:runner:$versions.test"
 testing.ext = "androidx.test.ext:junit:$versions.test_ext"
-testing.koin = "org.koin:koin-test:$versions.koin"
+testing.koin = "io.insert-koin:koin-test:$versions.koin"
 testing.espresso = "androidx.test.espresso:espresso-core:$versions.espresso"
+testing.fragments = "androidx.fragment:fragment-testing:$versions.fragments"
 deps.testing = testing
 
 ext.deps = deps