✅ Added test for database

app/src/androidTest/java/com/lorenzovainigli/foodexpirationdates/model/dao/ExpirationDatesDaoTest.kt

@@ -0,0 +1,88 @@
+package com.lorenzovainigli.foodexpirationdates.model.dao
+
+import androidx.room.Room.inMemoryDatabaseBuilder
+import androidx.test.platform.app.InstrumentationRegistry
+import com.lorenzovainigli.foodexpirationdates.model.AppDatabase
+import com.lorenzovainigli.foodexpirationdates.model.entity.ExpirationDate
+import org.junit.After
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertNull
+import org.junit.Before
+import org.junit.Test
+
+class ExpirationDatesDaoTest {
+
+ private var dao: ExpirationDatesDao? = null
+ private var database: AppDatabase? = null
+
+ @Before
+ fun setup() {
+ // Set up the in-memory Room database for testing
+ database = inMemoryDatabaseBuilder(
+ InstrumentationRegistry.getInstrumentation().context,
+ AppDatabase::class.java
+ ).build()
+ dao = database!!.expirationDatesDao
+ }
+
+ @After
+ fun teardown() {
+ // Close the Room database after testing
+ database?.close()
+ }
+
+ @Test
+ fun insertExpirationDateTest() {
+ val id = 0
+ val expirationDate = System.currentTimeMillis()
+ val insertedItem = ExpirationDate(
+ id = 0,
+ foodName = "Cheese",
+ expirationDate = expirationDate
+ )
+ dao?.insert(insertedItem)
+ val retrievedItem = dao?.getOne(id = id)
+ if (retrievedItem != null) {
+ assertEquals(insertedItem.foodName, retrievedItem.foodName)
+ assertEquals(insertedItem.expirationDate, retrievedItem.expirationDate)
+ }
+ }
+
+ @Test
+ fun updateExpirationDateTest() {
+ val id = 0
+ val expirationDate = System.currentTimeMillis()
+ val insertedItem = ExpirationDate(
+ id = 0,
+ foodName = "Cheese",
+ expirationDate = expirationDate
+ )
+ dao?.insert(insertedItem)
+ val updatedItem = ExpirationDate(
+ id = 0,
+ foodName = "Milk",
+ expirationDate = expirationDate + 1
+ )
+ dao?.insert(insertedItem)
+ val retrievedItem = dao?.getOne(id = id)
+ if (retrievedItem != null) {
+ assertEquals(updatedItem.foodName, retrievedItem.foodName)
+ assertEquals(updatedItem.expirationDate, retrievedItem.expirationDate)
+ }
+ }
+
+ @Test
+ fun deleteExpirationDateTest() {
+ val id = 0
+ val expirationDate = System.currentTimeMillis()
+ val insertedItem = ExpirationDate(
+ id = 0,
+ foodName = "Cheese",
+ expirationDate = expirationDate
+ )
+ dao?.insert(insertedItem)
+ dao?.delete(insertedItem)
+ val retrievedItem = dao?.getOne(id = id)
+ assertNull(retrievedItem)
+ }
+}