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feature: setup unit testing (#1074)
* Add junit dependency * Add more test libraries for androidTest classes. * Add an expected failure util to catch assertion error for known bugs without failing the tests. * Add some tests for known bugs.
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‎app/build.gradle.kts‎

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@@ -147,6 +147,12 @@ dependencies {
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implementation(libs.androidx.print)
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implementation(libs.bundles.room)
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implementation(libs.androidx.work.runtime.ktx)
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testImplementation(libs.junit)
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androidTestImplementation(libs.androidx.test.core)
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androidTestImplementation(libs.androidx.test.runner)
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androidTestImplementation(libs.androidx.test.rules)
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androidTestImplementation(libs.androidx.test.ext.junit)
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androidTestImplementation(libs.androidx.test.ext.truth)
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ksp(libs.androidx.room.compiler)
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detektPlugins(libs.compose.detekt)
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}

‎app/src/androidTest/kotlin/org/fossify/calendar/interfaces/EventsDaoGetOneTimeEventsFromToWithCalendarIdsTest.kt‎

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package org.fossify.calendar.interfaces
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import android.content.Context
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import androidx.room.Room
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import androidx.test.core.app.ApplicationProvider
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import androidx.test.ext.junit.runners.AndroidJUnit4
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import org.fossify.calendar.databases.EventsDatabase
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import org.fossify.calendar.extensions.seconds
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import org.fossify.calendar.models.Event
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import org.fossify.calendar.testing.expectedFailure
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import org.joda.time.DateTime
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import org.junit.After
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import org.junit.Assert
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import org.junit.Before
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import org.junit.Test
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import org.junit.runner.RunWith
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import java.io.IOException
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@RunWith(AndroidJUnit4::class)
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class EventsDaoGetOneTimeEventsFromToWithCalendarIdsTest {
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private lateinit var eventsDao: EventsDao
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private lateinit var db: EventsDatabase
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private val calendarId = 1L
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@Before
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fun createDb() {
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val context = ApplicationProvider.getApplicationContext<Context>()
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db = Room.inMemoryDatabaseBuilder(
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context, EventsDatabase::class.java).build()
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eventsDao = db.EventsDao()
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}
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@After
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@Throws(IOException::class)
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fun closeDb() {
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db.close()
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}
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@Test
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@Throws(Exception::class)
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fun bug255_EventEndingAtMidnightShouldNotShowOnNextDay() {
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expectedFailure("https://github.com/FossifyOrg/Calendar/issues/255") {
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val startDay = DateTime(2026, 1, 1, 0, 0)
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val startEvent = startDay.plusHours(23)
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val event = Event(id = 0, startTS = startEvent.seconds(), endTS = startEvent.plusHours(1).seconds(), calendarId = calendarId)
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eventsDao.insertOrUpdate(event)
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val eventsDayOne = eventsDao.getOneTimeEventsFromToWithCalendarIds(startDay.plusDays(1).seconds(), startDay.seconds(), listOf(calendarId))
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val eventsDayTwo = eventsDao.getOneTimeEventsFromToWithCalendarIds(startDay.plusDays(2).seconds(), startDay.plusDays(1).seconds(), listOf(calendarId))
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Assert.assertEquals(1, eventsDayOne.count())
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Assert.assertEquals(emptyList<Event>(), eventsDayTwo)
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}
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}
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@Test
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@Throws(Exception::class)
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fun bug255_EventStartingAtMidnightWithoutDurationShouldOnlyShowOnSingleDay() {
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expectedFailure("https://github.com/FossifyOrg/Calendar/issues/255") {
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val startDay = DateTime(2026, 1, 10, 0, 0)
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val event = Event(id = 0, startTS = startDay.seconds(), endTS = startDay.seconds(), calendarId = calendarId)
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eventsDao.insertOrUpdate(event)
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val eventsDayOne = eventsDao.getOneTimeEventsFromToWithCalendarIds(startDay.seconds(), startDay.plusDays(-1).seconds(), listOf(calendarId))
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val eventsDayTwo = eventsDao.getOneTimeEventsFromToWithCalendarIds(startDay.plusDays(1).seconds(), startDay.seconds(), listOf(calendarId))
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Assert.assertEquals(1, eventsDayTwo.count())
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Assert.assertEquals(emptyList<Event>(), eventsDayOne)
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}
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}
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@Test
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@Throws(Exception::class)
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fun bug440_EventAtMidnightOnFirstJan1970() {
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expectedFailure("https://github.com/FossifyOrg/Calendar/issues/440") {
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eventsDao.insertOrUpdate(Event(id = 0, startTS = 0, endTS = 3600, calendarId = calendarId))
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val eventsOnFirstJan1970 = eventsDao.getOneTimeEventsFromToWithCalendarIds(86400, 0, listOf(calendarId))
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Assert.assertEquals(1, eventsOnFirstJan1970.count())
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}
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}
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}

‎app/src/androidTest/kotlin/org/fossify/calendar/testing/ExpectedFailureUtils.kt‎

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package org.fossify.calendar.testing
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fun expectedFailure(testName: String = "", block: () -> Unit) {
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try {
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block()
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println("WARNING: Expected failure test '$testName' passed unexpectedly.")
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} catch (e: Throwable) {
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println("Expected failure in test '$testName': ${e.javaClass.simpleName}: ${e.message}")
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return
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}
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throw AssertionError("Expected failure test '$testName' passed unexpectedly. Investigate: bug may be fixed.")
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}

‎gradle/libs.versions.toml‎

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@@ -13,6 +13,13 @@ swiperefreshlayout = "1.2.0"
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work = "2.11.2"
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#Room
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room = "2.8.4"
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#junit
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junit = "4.13.2"
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androidx-test-core = "1.7.0"
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androidx-test-runner = "1.7.0"
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androidx-test-rules = "1.7.0"
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androidx-test-ext-junit = "1.3.0"
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androidx-test-ext-truth = "1.7.0"
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#Fossify
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commons = "6.1.6"
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#Gradle
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androidx-room-compiler = { module = "androidx.room:room-compiler", version.ref = "room" }
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#Compose
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compose-detekt = { module = "io.nlopez.compose.rules:detekt", version.ref = "detektCompose" }
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#junit
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junit = { group = "junit", name = "junit", version.ref = "junit" }
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androidx-test-core = { group = "androidx.test", name = "core", version.ref = "androidx-test-core" }
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androidx-test-runner = { group = "androidx.test", name = "runner", version.ref = "androidx-test-runner" }
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androidx-test-rules = { group = "androidx.test", name = "rules", version.ref = "androidx-test-rules" }
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androidx-test-ext-junit = { group = "androidx.test.ext", name = "junit", version.ref = "androidx-test-ext-junit" }
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androidx-test-ext-truth = { group = "androidx.test.ext", name = "truth", version.ref = "androidx-test-ext-truth" }
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#Fossify
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fossify-commons = { module = "org.fossify:commons", version.ref = "commons" }
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[bundles]

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