add a first test method: testAddDeleteNote

app/src/androidTest/java/it/niedermann/owncloud/notes/persistence/NotesDatabaseTest.java

@@ -1,5 +1,9 @@
 package it.niedermann.owncloud.notes.persistence;
 
+import it.niedermann.owncloud.notes.model.CloudNote;
+import it.niedermann.owncloud.notes.model.DBNote;
+import it.niedermann.owncloud.notes.model.DBStatus;
+import it.niedermann.owncloud.notes.model.LocalAccount;
 import it.niedermann.owncloud.notes.persistence.*;
 
 import android.content.Context;
@@ -9,32 +13,103 @@ import androidx.test.core.app.ApplicationProvider;
 import androidx.test.ext.junit.runners.AndroidJUnit4;
 
 import org.junit.After;
+import org.junit.AfterClass;
 import org.junit.Before;
+import org.junit.BeforeClass;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
+import java.text.SimpleDateFormat;
 import java.util.Arrays;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.TimeZone;
 
 import static org.junit.Assert.*;
 
 @RunWith(AndroidJUnit4.class)
 public class NotesDatabaseTest {
-    private NotesDatabase db;
+    final static SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
+
+    private NotesDatabase db = null;
+
+    private String accountURL = "HelloHowAreYou";
+    private String accountUserName = "John Doe";
+    private String accountName = accountUserName + "@" + accountURL;
+    private LocalAccount account = null;
 
     @Before
-    public void createDB() {
+    public void setupDB() {
         Context context = ApplicationProvider.getApplicationContext();
         db = NotesDatabase.getInstance(context);
-        Log.i("TestLog", db.toString());
+        // Create a new account if not exist
+        account = db.getLocalAccountByAccountName(accountName);
+        if (account.getId() == 0) {
+            db.addAccount(accountURL, accountUserName, accountName);
+            account = db.getLocalAccountByAccountName(accountName);
+        }
+    }
+
+    // When we try to delete the account for testing, the process crashes. Still try to find out why
+//    @After
+//    public void deleteAccount() {
+//        db.deleteAccount(account);
+//    }
+
+    @Test
+    public void testSetUpEnv() {
+        Log.i("Test_DB_Instance", db.toString());
+        List<LocalAccount> accounts = db.getAccounts();
+        for (LocalAccount account : accounts) {
+            Log.i("Test_Get_Accounts", account.toString());
+        }
     }
 
     @Test
-    public void testAddNote() {
+    public void testAddDeleteNote() {
+        long accountID = account.getId();
+        CloudNote cloudNote = new CloudNote(1, Calendar.getInstance(),
+                "A Great Day", getCurDate() + " This is a really great day bro.",
+                true, "Diary", null);
 
+        // Pre-check
+        List<DBNote> notes = db.getNotes(accountID);
+        int pre_size = notes.size();
+        Log.i("Test_testAddDeleteNote_All_Notes_Before_Addition", "Size: " + String.valueOf(pre_size));
+
+        // Add a new note
+        long noteID = db.addNote(accountID, cloudNote);
+        // Check if this note is added successfully
+        DBNote note = db.getNote(accountID, noteID);
+        Log.i("Test_testAddDeleteNote_Cur_Note", note.toString());
+        Log.i("Test_testAddDeleteNote_Cur_Note", "Title: " + note.getTitle());
+        Log.i("Test_testAddDeleteNote_Cur_Note", "Content: " + note.getContent());
+        Log.i("Test_testAddDeleteNote_Cur_Note", "Category: " + note.getCategory());
+
+        // Check if this note is in all notes
+        notes = db.getNotes(accountID);
+        int added_size = notes.size();
+        assertEquals(1, added_size - pre_size);
+        Log.i("Test_testAddDeleteNote_All_Notes_Added", "Size: " + String.valueOf(added_size));
+        for (DBNote cnote : notes) {
+            Log.i("Test_testAddDeleteNote_All_Notes_Added", cnote.toString());
+        }
+
+        // Delete the note after testing
+        db.deleteNote(note.getId(), note.getStatus());
+
+        // Check if the note is deleted successfully
+        notes = db.getNotes(accountID);
+        int deleted_size = notes.size();
+        assertEquals(1, added_size - deleted_size);
+        Log.i("Test_testAddDeleteNote_All_Notes_After_Deletion", "Size: " + String.valueOf(deleted_size));
     }
 
     @Test
     public void searchNotes() {
+
     }
 
     @Test
@@ -56,4 +131,11 @@ public class NotesDatabaseTest {
     @Test
     public void updateNote() {
     }
+
+    public static String getCurDate() {
+        TimeZone time = TimeZone.getTimeZone("GMT+8");
+        TimeZone.setDefault(time);
+        Date curDate = new Date();
+        return DATE_FORMAT.format(curDate);
+    }
 }