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added android test sample
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‎AndroidTestingSample/.gitignore‎

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*.iml
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.gradle
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/local.properties
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/.idea/caches
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/.idea/libraries
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/.idea/modules.xml
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/.idea/workspace.xml
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/.idea/navEditor.xml
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/.idea/assetWizardSettings.xml
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.DS_Store
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/build
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/captures
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.externalNativeBuild
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.cxx
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local.properties

‎AndroidTestingSample/app/.gitignore‎

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/build

‎AndroidTestingSample/app/build.gradle.kts‎

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plugins {
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id("com.android.application")
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id("org.jetbrains.kotlin.android")
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id("kotlin-kapt")
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id("com.google.dagger.hilt.android")
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}
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android {
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namespace = "com.example.androidtestingsample"
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compileSdk = 33
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defaultConfig {
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applicationId = "com.example.androidtestingsample"
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minSdk = 28
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targetSdk = 33
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versionCode = 1
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versionName = "1.0"
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testInstrumentationRunner = "com.example.androidtestingsample.CustomTestRunner"
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}
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buildTypes {
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release {
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isMinifyEnabled = false
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proguardFiles(
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getDefaultProguardFile("proguard-android-optimize.txt"),
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"proguard-rules.pro"
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)
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}
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}
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compileOptions {
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sourceCompatibility = JavaVersion.VERSION_17
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targetCompatibility = JavaVersion.VERSION_17
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}
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kotlinOptions {
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jvmTarget = "17"
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}
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buildFeatures {
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viewBinding = true
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dataBinding = true
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}
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packaging {
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resources.excludes.add("META-INF/*")
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jniLibs.useLegacyPackaging = false
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}
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}
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dependencies {
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implementation("androidx.core:core-ktx:1.9.0")
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implementation("androidx.appcompat:appcompat:1.6.1")
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implementation("com.google.android.material:material:1.9.0")
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implementation("androidx.constraintlayout:constraintlayout:2.1.4")
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testImplementation("junit:junit:4.13.2")
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androidTestImplementation("androidx.test.ext:junit:1.1.5")
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androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
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//hilt
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implementation("com.google.dagger:hilt-android:2.44")
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kapt("com.google.dagger:hilt-compiler:2.44")
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// Navigation
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implementation("androidx.navigation:navigation-fragment-ktx:2.6.0")
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implementation("androidx.navigation:navigation-ui-ktx:2.6.0")
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// Networking
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implementation("com.squareup.retrofit2:retrofit:2.9.0")
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implementation("com.squareup.okhttp3:okhttp:4.11.0")
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implementation("com.squareup.okhttp3:logging-interceptor:4.7.2")
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implementation("com.squareup.retrofit2:converter-gson:2.9.0")
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//Coroutine
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implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.7.2")
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implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.7.2")
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implementation("com.google.code.gson:gson:2.9.0")
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implementation("androidx.activity:activity-ktx:1.7.2")
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// hilt android test
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androidTestImplementation("com.google.dagger:hilt-android-testing:2.44")
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kaptAndroidTest("com.google.dagger:hilt-android-compiler:2.44")
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// android espresso
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androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
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androidTestImplementation("androidx.test.espresso:espresso-contrib:3.5.1")
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androidTestImplementation("androidx.test.espresso:espresso-intents:3.5.1")
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implementation("androidx.test.espresso:espresso-idling-resource:3.5.1")
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androidTestImplementation("androidx.test.espresso:espresso-idling-resource:3.5.1")
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// mockk
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androidTestImplementation("io.mockk:mockk-android:1.13.5")
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androidTestImplementation("io.mockk:mockk-agent:1.13.5")
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}
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kapt {
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correctErrorTypes=true
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}

‎AndroidTestingSample/app/proguard-rules.pro‎

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# Add project specific ProGuard rules here.
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# You can control the set of applied configuration files using the
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# proguardFiles setting in build.gradle.
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#
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# For more details, see
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# http://developer.android.com/guide/developing/tools/proguard.html
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# If your project uses WebView with JS, uncomment the following
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# and specify the fully qualified class name to the JavaScript interface
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# class:
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#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
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# public *;
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#}
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# Uncomment this to preserve the line number information for
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# debugging stack traces.
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#-keepattributes SourceFile,LineNumberTable
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# If you keep the line number information, uncomment this to
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# hide the original source file name.
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#-renamesourcefileattribute SourceFile

‎AndroidTestingSample/app/src/androidTest/java/com/example/androidtestingsample/CustomTestRunner.kt‎

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package com.example.androidtestingsample
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import android.app.Application
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import android.content.Context
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import androidx.test.runner.AndroidJUnitRunner
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import dagger.hilt.android.testing.HiltTestApplication
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class CustomTestRunner : AndroidJUnitRunner() {
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override fun newApplication(cl: ClassLoader?, name: String?, context: Context?): Application {
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return super.newApplication(cl, HiltTestApplication::class.java.name, context)
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}
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}

‎AndroidTestingSample/app/src/androidTest/java/com/example/androidtestingsample/ExampleInstrumentedTest.kt‎

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package com.example.androidtestingsample
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import androidx.test.platform.app.InstrumentationRegistry
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import androidx.test.ext.junit.runners.AndroidJUnit4
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import org.junit.Test
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import org.junit.runner.RunWith
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import org.junit.Assert.*
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/**
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* Instrumented test, which will execute on an Android device.
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*
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* See [testing documentation](http://d.android.com/tools/testing).
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*/
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@RunWith(AndroidJUnit4::class)
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class ExampleInstrumentedTest {
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@Test
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fun useAppContext() {
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// Context of the app under test.
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val appContext = InstrumentationRegistry.getInstrumentation().targetContext
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assertEquals("com.example.androidtestingsample", appContext.packageName)
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}
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}

‎AndroidTestingSample/app/src/androidTest/java/com/example/androidtestingsample/HiltExt.kt‎

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/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.androidtestingsample
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import android.content.ComponentName
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import android.content.Intent
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import android.os.Bundle
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import androidx.annotation.StyleRes
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import androidx.core.util.Preconditions
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import androidx.fragment.app.Fragment
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import androidx.fragment.app.FragmentFactory
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import androidx.test.core.app.ActivityScenario
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import androidx.test.core.app.ApplicationProvider
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import kotlinx.coroutines.ExperimentalCoroutinesApi
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/**
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* launchFragmentInContainer from the androidx.fragment:fragment-testing library
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* is NOT possible to use right now as it uses a hardcoded Activity under the hood
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* (i.e. [EmptyFragmentActivity]) which is not annotated with @AndroidEntryPoint.
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*
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* As a workaround, use this function that is equivalent. It requires you to add
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* [HiltTestActivity] in the debug folder and include it in the debug AndroidManifest.xml file
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* as can be found in this project.
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*/
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const val THEME_EXTRAS_BUNDLE_KEY = "androidx.fragment.app.testing.FragmentScenario.EmptyFragmentActivity.THEME_EXTRAS_BUNDLE_KEY"
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@ExperimentalCoroutinesApi
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inline fun <reified T : Fragment> launchFragmentInHiltContainer(
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fragmentArgs: Bundle? = null,
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themeResId: Int = R.style.Theme_AndroidTestingSample,
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fragmentFactory: FragmentFactory? = null,
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crossinline action: T.() -> Unit = {}
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) {
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val mainActivityIntent = Intent.makeMainActivity(
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ComponentName(
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ApplicationProvider.getApplicationContext(),
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HiltTestActivity::class.java
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)
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).putExtra(THEME_EXTRAS_BUNDLE_KEY, themeResId)
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ActivityScenario.launch<HiltTestActivity>(mainActivityIntent).onActivity { activity ->
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fragmentFactory?.let {
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activity.supportFragmentManager.fragmentFactory = it
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}
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val fragment = activity.supportFragmentManager.fragmentFactory.instantiate(
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Preconditions.checkNotNull(T::class.java.classLoader),
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T::class.java.name
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)
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fragment.arguments = fragmentArgs
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activity.supportFragmentManager.beginTransaction()
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.add(android.R.id.content, fragment, "")
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.commitNow()
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(fragment as T).action()
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}
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}

‎AndroidTestingSample/app/src/androidTest/java/com/example/androidtestingsample/data/SampleData.kt‎

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package com.example.androidtestingsample.data
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val MOVIE_LIST = listOf(Movie("name","",""),Movie("name","",""))

‎AndroidTestingSample/app/src/androidTest/java/com/example/androidtestingsample/data/TestRepository.kt‎

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package com.example.androidtestingsample.data
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import com.example.androidtestingsample.data.MainRepository
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import com.example.androidtestingsample.data.Movie
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import javax.inject.Inject
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class TestRepository @Inject constructor(): MainRepository {
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override suspend fun getAllMovies(): List<Movie> {
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return MOVIE_LIST
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}
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}

‎AndroidTestingSample/app/src/androidTest/java/com/example/androidtestingsample/di/TestRepositoriesModule.kt‎

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package com.example.androidtestingsample.di
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import com.example.androidtestingsample.data.MainRepository
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import com.example.androidtestingsample.data.MainRepositoryImpl
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import com.example.androidtestingsample.data.TestRepository
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import dagger.Binds
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import dagger.Module
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import dagger.hilt.InstallIn
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import dagger.hilt.android.components.ViewModelComponent
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import dagger.hilt.testing.TestInstallIn
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@Module
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@TestInstallIn(components = [ViewModelComponent::class], replaces = [RepositoriesModule::class])
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interface TestRepositoriesModule {
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@Binds
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fun mainRepository(mainRepositoryImpl: TestRepository): MainRepository
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}

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