daffa_usman/TestLoginSuccess.java

package org.aplas.myshop;

import android.content.Intent;
import android.widget.Button;
import android.widget.EditText;

import androidx.lifecycle.Lifecycle;
import androidx.test.core.app.ActivityScenario;

import org.aplas.myshop.model.User;
import org.aplas.myshop.sql.Database;
import org.junit.After;
import org.junit.Before;
import org.junit.FixMethodOrder;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.MethodSorters;
import org.robolectric.RobolectricTestRunner;
import org.robolectric.annotation.Config;

import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import static org.robolectric.Shadows.shadowOf;

import com.google.android.material.snackbar.Snackbar;

@RunWith(RobolectricTestRunner.class)
@Config(manifest= Config.NONE)
@FixMethodOrder(MethodSorters.NAME_ASCENDING)

public class TestLoginSuccess extends ViewTest{
    ActivityScenario<LoginActivity> scenario;
    private EditText nama, password;
    private Database database;
    private Button loginButton;

    @Before
    public void setUp() {
        scenario = ActivityScenario.launch(LoginActivity.class);
        scenario.moveToState(Lifecycle.State.CREATED);
        scenario.onActivity(activity -> {
            nama = activity.findViewById(R.id.textInputEditTextUsername);
            password = activity.findViewById(R.id.textInputEditTextPassword);
            loginButton = activity.findViewById(R.id.appCompatButtonLogin);
            database = new Database(activity);
        });
    }

    @After
    public void tearDown() {
        scenario.close();

    }

    @Test
    public void test01Seller() {
        scenario.onActivity(activity -> {
            User user = new User();
            user.setName("daffa1@test.com");
            user.setPassword("password");
            user.setRole("Seller");
            database.addUser(user);

            nama.setText("daffa1@test.com");
            password.setText("password");
            loginButton.performClick();
            Intent expectedIntent = new Intent(activity, SellerHomeActivity.class);
            expectedIntent.putExtra("Username", "daffa1@test.com");
            Intent actualIntent = shadowOf(activity).getNextStartedActivity();
            assertNotNull("No intents detected, please check your login button on click function inside LoginActivity", actualIntent);
            testItem(expectedIntent.getComponent(), actualIntent.getComponent(), "Intents do not match, please check your login button on click function inside LoginActivity", 1);
            database.close();
        });
    }

    @Test
    public void test02Buyer() {
        scenario.onActivity(activity -> {
            User user = new User();
            user.setName("daffa2@test.com");
            user.setPassword("password");
            user.setRole("Buyer");
            database.addUser(user);

            nama.setText("daffa2@test.com");
            password.setText("password");
            loginButton.performClick();
            Intent expectedIntent = new Intent(activity, BuyerHomeActivity.class);
            expectedIntent.putExtra("Username", "daffa2@test.com");
            Intent actualIntent = shadowOf(activity).getNextStartedActivity();
            assertNotNull("No intents detected, please check your login button on click function inside LoginActivity", actualIntent);
            testItem(expectedIntent.getComponent(), actualIntent.getComponent(), "Intents do not match, please check your login button on click function inside LoginActivity", 1);
            database.close();
        });
    }

    @Test
    public void test03invalid() {
        scenario.onActivity(activity -> {
            Database database = mock(Database.class);
            activity.setDatabase(database);

            nama.setText("daffa3@test.com");
            password.setText("password");

            when(database.checkUser("daffa3@test.com", "password")).thenReturn(false);

            loginButton.performClick();
            Snackbar snackbar = Snackbar.make(activity.findViewById(R.id.nestedScrollViewProduct),activity.getString(R.string.error_valid_email_password), Snackbar.LENGTH_LONG);
            snackbar.show();
//            assertTrue(snackbar.isShown());
            testItem(true, snackbar.isShown(), "Your login function doesn't seem working, please check your login button on click function inside LoginActivity", 3);
            database.close();
        });
    }
}