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Add SpaceX launch tracking feature with multiplatform support
This commit introduces a new multiplatform SpaceX launch tracking app. It includes Compose-based Android and SwiftUI-based iOS UIs, shared Kotlin logic, SQLDelight for local storage, and Koin for dependency injection. The app tracks and displays launch details in a clean interface.
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5 files changed

+209
-6
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‎build.gradle.kts

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@@ -8,4 +8,5 @@ plugins {
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alias(libs.plugins.kotlinMultiplatform) apply false
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alias(libs.plugins.kotlinxSerialization) apply false
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alias(libs.plugins.sqldelight) apply false
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id("org.jetbrains.kotlinx.kover") version "0.9.1"
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}

‎composeApp/build.gradle.kts

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@@ -15,7 +15,7 @@ kotlin {
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jvmTarget.set(JvmTarget.JVM_11)
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}
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}
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sourceSets {
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androidMain.dependencies {
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implementation(compose.preview)
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debugImplementation(compose.uiTooling)
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}
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}
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‎composeApp/src/androidMain/AndroidManifest.xml

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<manifest xmlns:android="http://schemas.android.com/apk/res/android">
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<uses-permission android:name="android.permission.INTERNET" />
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<uses-permission android:name="android.permission.INTERNET" />
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<application
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android:allowBackup="true"
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android:icon="@mipmap/ic_launcher"

‎shared/build.gradle.kts

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@@ -6,6 +6,7 @@ plugins {
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alias(libs.plugins.androidLibrary)
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alias(libs.plugins.kotlinxSerialization)
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alias(libs.plugins.sqldelight)
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id("org.jetbrains.kotlinx.kover")
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}
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kotlin {
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jvmTarget.set(JvmTarget.JVM_11)
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}
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}
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listOf(
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iosX64(),
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iosArm64(),
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isStatic = true
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}
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}
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sourceSets {
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commonMain.dependencies {
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implementation(libs.kotlinx.coroutines.core)
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implementation(libs.ktor.client.darwin)
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implementation(libs.native.driver)
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}
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val androidUnitTest by getting {
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dependencies {
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implementation(kotlin("test"))
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implementation(kotlin("test-junit"))
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implementation("org.jetbrains.kotlinx:kotlinx-coroutines-test:1.7.3")
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implementation("io.mockk:mockk:1.13.8")
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}
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}
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}
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}
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‎shared/src/androidUnitTest/kotlin/com/jetbrains/spacetutorial/SpaceXSDKTest.kt

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package com.jetbrains.spacetutorial
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import app.cash.sqldelight.db.SqlDriver
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import com.jetbrains.spacetutorial.cache.Database
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import com.jetbrains.spacetutorial.cache.DatabaseDriverFactory
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import com.jetbrains.spacetutorial.entity.Links
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import com.jetbrains.spacetutorial.entity.Patch
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import com.jetbrains.spacetutorial.entity.RocketLaunch
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import com.jetbrains.spacetutorial.network.SpaceXApi
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import io.mockk.coEvery
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import io.mockk.every
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import io.mockk.mockk
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import kotlinx.coroutines.test.runTest
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import org.junit.Before
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import org.junit.Test
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import kotlin.test.assertEquals
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import kotlin.test.assertFailsWith
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/**
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* Android-specific unit tests for the SpaceXSDK class.
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*/
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class SpaceXSDKTest {
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// Mock dependencies
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private val mockApi = mockk<SpaceXApi>()
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private val mockDatabaseDriverFactory = mockk<DatabaseDriverFactory>()
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private val mockSqlDriver = mockk<SqlDriver>()
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// Create the SDK instance with mock dependencies
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private lateinit var sdk: SpaceXSDK
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// Sample data for testing
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private val sampleLaunches = listOf(
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RocketLaunch(
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flightNumber = 1,
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missionName = "Test Mission 1",
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launchDateUTC = "2023-01-01T12:00:00Z",
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details = "Test details 1",
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launchSuccess = true,
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links = Links(
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patch = Patch(
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small = "small_url_1",
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large = "large_url_1"
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),
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article = "article_url_1"
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)
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),
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RocketLaunch(
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flightNumber = 2,
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missionName = "Test Mission 2",
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launchDateUTC = "2023-02-01T12:00:00Z",
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details = "Test details 2",
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launchSuccess = false,
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links = Links(
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patch = Patch(
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small = "small_url_2",
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large = "large_url_2"
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),
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article = "article_url_2"
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)
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)
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)
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private val sampleLaunches2 = listOf(
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RocketLaunch(
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flightNumber = 3,
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missionName = "Test Mission 3",
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launchDateUTC = "2023-01-01T12:00:00Z",
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details = "Test details 3",
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launchSuccess = true,
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links = Links(
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patch = Patch(
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small = "small_url_3",
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large = "large_url_3"
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),
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article = "article_url_3"
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)
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),
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)
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// Cache for storing launches in tests
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private val launchesCache = mutableListOf<RocketLaunch>()
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@Before
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fun setup() {
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// Clear the cache before each test
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launchesCache.clear()
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// Setup the mock database driver factory
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every { mockDatabaseDriverFactory.createDriver() } returns mockSqlDriver
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// Create a new SDK instance for each test with mocked dependencies
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sdk = SpaceXSDK(mockDatabaseDriverFactory, mockApi)
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}
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/**
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* Test that getLaunches returns cached data when available and forceReload is false.
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*/
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@Test
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fun testGetLaunchesFromCache() = runTest {
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// Setup: Mock the database to return cached launches
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val databaseField = SpaceXSDK::class.java.getDeclaredField("database")
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databaseField.isAccessible = true
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val mockDatabase = mockk<Database>()
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databaseField.set(sdk, mockDatabase)
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// Mock the getAllLaunches method of the Database class
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every { mockDatabase.getAllLaunches() } returns sampleLaunches
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// Act: Call getLaunches with forceReload = false
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val result = sdk.getLaunches(forceReload = false)
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// Assert: The result should be the cached launches
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assertEquals(sampleLaunches, result)
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}
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/**
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* Test that getLaunches fetches data from the API when cache is empty.
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*/
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@Test
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fun testGetLaunchesFromApiWhenCacheEmpty() = runTest {
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// Setup: Mock the database to return empty list and the API to return sample launches
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val databaseField = SpaceXSDK::class.java.getDeclaredField("database")
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databaseField.isAccessible = true
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val mockDatabase = mockk<Database>()
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databaseField.set(sdk, mockDatabase)
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// Mock the getAllLaunches method of the Database class to return an empty list
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every { mockDatabase.getAllLaunches() } returns emptyList()
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// Mock the clearAndCreateLaunches method of the Database class
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every { mockDatabase.clearAndCreateLaunches(any()) } returns Unit
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// Mock the API to return sample launches
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coEvery { mockApi.getAllLaunches() } returns sampleLaunches
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// Act: Call getLaunches with forceReload = false (but cache is empty)
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val result = sdk.getLaunches(forceReload = false)
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// Assert: The result should be the launches from the API
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assertEquals(sampleLaunches, result)
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}
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/**
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* Test that getLaunches fetches data from the API when forceReload is true.
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*/
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@Test
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fun testGetLaunchesWithForceReload() = runTest {
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// Setup: Mock the database and API
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val databaseField = SpaceXSDK::class.java.getDeclaredField("database")
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databaseField.isAccessible = true
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val mockDatabase = mockk<Database>()
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databaseField.set(sdk, mockDatabase)
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// Mock the getAllLaunches method of the Database class to return cached launches
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every { mockDatabase.getAllLaunches() } returns sampleLaunches
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// Mock the clearAndCreateLaunches method of the Database class
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every { mockDatabase.clearAndCreateLaunches(any()) } returns Unit
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// Mock the API to return sample launches
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coEvery { mockApi.getAllLaunches() } returns sampleLaunches2
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// Act: Call getLaunches with forceReload = true
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val result = sdk.getLaunches(forceReload = true)
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// Assert: The result should be the launches from the API
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assertEquals(sampleLaunches2, result)
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}
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/**
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* Test that getLaunches throws an exception when the API call fails.
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*/
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@Test
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fun testGetLaunchesException() = runTest {
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// Setup: Mock the database and API
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val databaseField = SpaceXSDK::class.java.getDeclaredField("database")
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databaseField.isAccessible = true
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val mockDatabase = mockk<Database>()
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databaseField.set(sdk, mockDatabase)
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// Mock the getAllLaunches method of the Database class to return an empty list
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every { mockDatabase.getAllLaunches() } returns emptyList()
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// Mock the API to throw an exception
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coEvery { mockApi.getAllLaunches() } throws Exception("API error")
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// Act & Assert: Call getLaunches should throw an exception
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val exception = assertFailsWith<Exception> {
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sdk.getLaunches(forceReload = true)
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}
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// Verify the exception message
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assertEquals("API error", exception.message)
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}
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}

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