feat: search room test code 테스트 완료

Author: msnodeve

app/src/androidTest/java/com/seok/gfd/room/dao/SearchGithubIdDaoTest.kt

@@ -5,14 +5,13 @@ import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.platform.app.InstrumentationRegistry
 import com.seok.gfd.room.AppDatabase
 import com.seok.gfd.room.entity.SearchGithubId
+import kotlinx.coroutines.runBlocking
 import org.junit.After
 import org.junit.Before
 
 import org.junit.Assert.*
 import org.junit.Test
 import org.junit.runner.RunWith
-import java.io.IOException
-import java.util.*
 
 @RunWith(AndroidJUnit4::class)
 class SearchGithubIdDaoTest {
@@ -21,17 +20,35 @@ class SearchGithubIdDaoTest {
     @Before
     fun createDb() {
         val context = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("com.seok.gfd", context.packageName)
+
+        db = Room.inMemoryDatabaseBuilder(
+            context,
+            AppDatabase::class.java
+        ).build()
     }
 
     @After
-    @Throws(IOException::class)
-    fun closeDb(){
+    fun closeDb() = runBlocking {
+        db.searchGithubIdDao().deleteAll()
         db.close()
     }
 
     @Test
-    @Throws(Exception::class)
-    fun write(){
+    fun iWantToKnowTheDatabaseIsFind() = runBlocking{
+        val searchGithubId = SearchGithubId(gid = 0, gidName = "github")
+
+        db.searchGithubIdDao().insert(searchGithubId)
+        var entity = db.searchGithubIdDao().selectAll("g")[0]
+        assertHabitEquals(searchGithubId, entity)
+
+        db.searchGithubIdDao().delete(entity)
+        assertEquals(0, db.searchGithubIdDao().selectAll("g").size)
+    }
+
+    private fun assertHabitEquals(expected: SearchGithubId, actual: SearchGithubId) {
+        // id 는 자동생성되므로, 검증을 위해서 id의 동일성은 무시하자.
+        assertEquals(expected.copy(gid = 0), actual.copy(gid = 0))
     }
 
 }

app/src/main/java/com/seok/gfd/room/AppDatabase.kt

@@ -6,6 +6,6 @@ import com.seok.gfd.room.dao.SearchGithubIdDao
 import com.seok.gfd.room.entity.SearchGithubId
 
 @Database(entities = [SearchGithubId::class], version = 1)
-abstract class AppDatabase : RoomDatabase() {
-    abstract fun searchGithubDao() : SearchGithubIdDao
+abstract class AppDatabase : RoomDatabase(){
+    abstract fun searchGithubIdDao(): SearchGithubIdDao
 }

app/src/main/java/com/seok/gfd/room/dao/SearchGithubIdDao.kt

@@ -3,14 +3,19 @@ package com.seok.gfd.room.dao
 import androidx.room.*
 import com.seok.gfd.room.entity.SearchGithubId
 
+private const val TABLE_NAME = "search_github_ids"
+
 @Dao
 interface SearchGithubIdDao {
     @Insert(onConflict = OnConflictStrategy.REPLACE)
-    suspend fun insert(searchGithubId: SearchGithubId) : Int
+    suspend fun insert(searchGithubId: SearchGithubId) : Long
 
     @Delete
     suspend fun delete(searchGithubId: SearchGithubId)
 
-//    @Query("SELECT * FROM $TABLE_NAME WHERE gid_name = :gidName")
-    abstract fun selectAll(gidName : String) : List<SearchGithubId>
+    @Query("SELECT * FROM $TABLE_NAME WHERE gid_name LIKE :gidName || '%'")
+    suspend fun selectAll(gidName : String) : List<SearchGithubId>
+
+    @Query("delete from $TABLE_NAME")
+    suspend fun deleteAll()
 }

app/src/main/java/com/seok/gfd/room/entity/SearchGithubId.kt

@@ -1,30 +1,14 @@
 package com.seok.gfd.room.entity
 
-import androidx.room.*
-import java.util.*
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
 
 private const val TABLE_NAME = "search_github_ids"
 
 @Entity(tableName = TABLE_NAME)
 data class SearchGithubId(
-    @PrimaryKey(autoGenerate = true) var gid: Int,
-    @ColumnInfo(name = "gid_name") val gidName: String?,
-    @ColumnInfo(name = "created", defaultValue = "CURRENT_TIMESTAMP") val created: Date? = Date()
-)
-
-@Dao
-interface SearchGithubIdDao {
-    @Insert(onConflict = OnConflictStrategy.REPLACE)
-    suspend fun insert(searchGithubId: SearchGithubId) : Int
-
-    @Delete
-    suspend fun delete(searchGithubId: SearchGithubId)
-
-    @Query("SELECT * FROM $TABLE_NAME WHERE gid_name = :gidName")
-    suspend fun selectAll(gidName : String) : List<SearchGithubId>
-}
-
-@Database(entities = [SearchGithubId::class], version = 1)
-abstract class AppDatabase : RoomDatabase(){
-    abstract fun searchGithubIdDao(): SearchGithubIdDao
-}
+    @PrimaryKey(autoGenerate = true) var gid: Long,
+    @ColumnInfo(name = "gid_name") val gidName: String?
+//    @ColumnInfo(name = "created", defaultValue = "CURRENT_TIMESTAMP") val created: Date? = Date()
+)

app/src/main/java/com/seok/gfd/views/SearchActivity.kt

@@ -1,11 +1,16 @@
 package com.seok.gfd.views
 
 import android.os.Bundle
+import android.util.Log
 import android.view.WindowManager
 import android.view.animation.AnimationUtils
 import androidx.appcompat.app.AppCompatActivity
+import androidx.room.Room
 import com.seok.gfd.R
+import com.seok.gfd.room.AppDatabase
+import com.seok.gfd.room.entity.SearchGithubId
 import kotlinx.android.synthetic.main.activity_search.*
+import kotlinx.coroutines.runBlocking
 
 class SearchActivity : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -14,6 +19,9 @@ class SearchActivity : AppCompatActivity() {
         window.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE)
 
         setAnimation()
+
+
+        iWantToKnowTheDatabaseIsFind()
     }
 
     private fun setAnimation() {
@@ -26,4 +34,28 @@ class SearchActivity : AppCompatActivity() {
         leftToRight.startOffset = 800
         search_layout_id.startAnimation(leftToRight)
     }
+
+    private fun iWantToKnowTheDatabaseIsFind() {
+        // 테스트 용으로 메모리상 생성
+        val database = Room.inMemoryDatabaseBuilder(
+            this,
+            AppDatabase::class.java
+        ).build()
+
+        // id를 0 으로 설정해주어서 id가 autoGeneration 되게 한다.
+        val test = SearchGithubId(gid = 0, gidName = "test")
+        runBlocking {
+            // 습관을 씁니다.
+            database.searchGithubIdDao().insert(test)
+
+            // 실제 DB에 써진 것을 확인합니다.
+            var dbHabitSchema = database.searchGithubIdDao().selectAll("t")[0]
+            Log.d(this.javaClass.name, "방금 넣은 것 $dbHabitSchema")
+
+            // 지우는 것도 잘 동작하는지 확인해 봅니다.
+            database.searchGithubIdDao().delete(dbHabitSchema)
+
+            Log.d(this.javaClass.name, "방금 지워서 아무것도 없음. ${database.searchGithubIdDao().selectAll("t")}")
+        }
+    }
 }