Monday, November 12, 2018

Login pase Testing Using Expresso Android studio.



Source

1. build.gradle(module.app)


dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation 'com.android.support:appcompat-v7:28.0.0'
implementation 'com.android.support.constraint:constraint-layout:1.1.3'
testImplementation 'junit:junit:4.12'
/*Espresso testing */
androidTestImplementation 'com.android.support.test:runner:1.0.2'
androidTestImplementation 'com.android.support.test:rules:1.0.2'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
}
//full code of this section
//Start from here
apply plugin: 'com.android.application'
android {
compileSdkVersion 28
defaultConfig {
applicationId "com.amirul.loginespressotesting"
minSdkVersion 15
targetSdkVersion 28
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation 'com.android.support:appcompat-v7:28.0.0'
implementation 'com.android.support.constraint:constraint-layout:1.1.3'
testImplementation 'junit:junit:4.12'
/*Espresso testing */
androidTestImplementation 'com.android.support.test:runner:1.0.2'
androidTestImplementation 'com.android.support.test:rules:1.0.2'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
}
//end
view raw login_1.java hosted with ❤ by GitHub


2. MainActivity.java


package com.amirul.loginespressotesting;
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Patterns;
import android.view.KeyEvent;
import android.view.View;
import android.view.inputmethod.EditorInfo;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
/*
* ****************************************************************************
* * Created by : Md Amirul Islam on 11/9/2018 at 8.11 PM.
* * Email : amirul.csejust@gmail.com
* *
* * Purpose: To test all element of UI
* *
* * Last edited by : Md Amirul Islam on 11/11/2018.
* *
* * Last Reviewed by : <Reviewer Name> on <mm/dd/yy>
* ****************************************************************************
*/
public class MainActivity extends AppCompatActivity {
private EditText mEmailEditText, mPasswordEditText;
private TextView show;
private Button btnSubmit;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mEmailEditText = (EditText)findViewById(R.id.etEmailInput);
mPasswordEditText = (EditText)findViewById(R.id.etPassInput);
mPasswordEditText.setOnEditorActionListener(new TextView.OnEditorActionListener() {
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
if(actionId ==R.id.login || actionId == EditorInfo.IME_NULL){
login();
return true;
}
return false;
}
});
btnSubmit = (Button)findViewById(R.id.btnSubmit);
btnSubmit.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
login();
}
});
}
private void login() {
/*Reset errors */
mEmailEditText.setError(null);
mPasswordEditText.setError(null);
/*getting value from email and pass*/
String email = mEmailEditText.getText().toString();
String password = mPasswordEditText.getText().toString();
boolean cancel = false;
View focusView = null;
/*check for a valid Email*/
if (TextUtils.isEmpty(email)){
mEmailEditText.setError("This field is required");
focusView = mEmailEditText;
cancel = true;
}else if (!isEmailVaild(email)){
mEmailEditText.setError(getString(R.string.error_invalid_email));
focusView = mEmailEditText;
cancel = true;
}
// Check for a valid password.
if (TextUtils.isEmpty(password)) {
mPasswordEditText.setError(getString(R.string.error_field_required));
focusView = mPasswordEditText;
cancel = true;
} else if (!TextUtils.isEmpty(password) && !isPasswordValid(password)) {
mPasswordEditText.setError(getString(R.string.error_invalid_password));
focusView = mPasswordEditText;
cancel = true;
}
if (cancel) {
focusView.requestFocus();
} else {
if (email.equals("amir@gmail.com") && password.equals("123456")) {
loginSuccessfully(email);
} else {
Toast.makeText(getApplicationContext(), getString(R.string.error_login_failed), Toast.LENGTH_SHORT).show();
}
}
}
private boolean isEmailVaild(String email) {
return Patterns.EMAIL_ADDRESS.matcher(email).matches();
}
private boolean isPasswordValid(String password) {
return password.length() > 4;
}
private void loginSuccessfully(String email) {
Intent intent = new Intent(MainActivity.this, Welcome.class);
intent.putExtra("email", email);
startActivity(intent);
finish();
Toast.makeText(getApplicationContext(), getString(R.string.login_successfully), Toast.LENGTH_SHORT).show();
}
}
//full code : https://github.com/amirul12/loginAndroidEspresso
view raw login_2Espresso.java hosted with ❤ by GitHub


3. xml layout of the mainActivity class activity_main.xml


<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/login_bg"
tools:context=".MainActivity">
<LinearLayout
android:padding="20dp"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_centerVertical="true"
android:layout_centerHorizontal="true"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="20dp"
android:gravity="center"
android:orientation="vertical">
<ImageView
android:layout_width="200dp"
android:layout_height="50dp"
android:src="@drawable/logo"
android:transitionName="logo" />
</LinearLayout>
<TextView
android:text="Email"
android:layout_marginTop="30dp"
android:textSize="18dp"
android:textColor="#ffffff"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
<EditText
android:id="@+id/etEmailInput"
android:layout_marginTop="10dp"
android:hint="Enter Email"
android:textColor="#ffffff"
android:textColorHint="#A9A9A9"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
<TextView
android:layout_marginTop="10dp"
android:textSize="18dp"
android:text="Password"
android:textColor="#ffffff"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
<EditText
android:id="@+id/etPassInput"
android:layout_marginTop="10dp"
android:hint="Enter Password"
android:textColorHint="#A9A9A9"
android:imeActionId="@+id/login"
android:imeActionLabel="Login"
android:imeOptions="actionUnspecified"
android:inputType="textPassword|numberPassword"
android:textColor="#ffffff"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
<Button
android:clickable="true"
android:id="@+id/btnSubmit"
android:layout_marginTop="10dp"
android:text="Submit"
android:focusable="true"
android:elevation="20dp"
android:background="@drawable/button_bg"
android:textColor="@android:color/white"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
<TextView
android:layout_gravity="center_horizontal"
android:gravity="center_horizontal"
android:layout_marginTop="20dp"
android:id="@+id/show"
android:text="show"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
</LinearLayout>
</RelativeLayout>
view raw login3Espresso.xml hosted with ❤ by GitHub


4. welcome Activity and this layout


package com.amirul.loginespressotesting;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.TextView;
public class Welcome extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_welcome);
String welcomeMessage = String.format("Hi %s!", getIntent().getStringExtra("email"));
TextView tvEmail = (TextView) findViewById(R.id.tv_welcome);
tvEmail.setText(welcomeMessage);
}
}
===================
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".Welcome">
<TextView
android:id="@+id/tv_welcome"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center_horizontal"
android:text="Welcome"
android:textSize="30sp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
</android.support.constraint.ConstraintLayout>
view raw login4espresso.java hosted with ❤ by GitHub


5. Testing MainActivity which is Login form .


package com.amirul.loginespressotesting;
import android.support.annotation.StringRes;
import android.support.test.rule.ActivityTestRule;
import android.support.test.runner.AndroidJUnit4;
import android.view.View;
import android.widget.EditText;
import org.hamcrest.Description;
import org.hamcrest.Matcher;
import org.hamcrest.TypeSafeMatcher;
import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import static android.provider.Settings.System.getString;
import static android.support.test.espresso.Espresso.onView;
import static android.support.test.espresso.action.ViewActions.clearText;
import static android.support.test.espresso.action.ViewActions.click;
import static android.support.test.espresso.action.ViewActions.closeSoftKeyboard;
import static android.support.test.espresso.action.ViewActions.typeText;
import static android.support.test.espresso.assertion.ViewAssertions.matches;
import static android.support.test.espresso.matcher.RootMatchers.withDecorView;
import static android.support.test.espresso.matcher.ViewMatchers.isDisplayed;
import static android.support.test.espresso.matcher.ViewMatchers.withId;
import static android.support.test.espresso.matcher.ViewMatchers.withText;
import static org.hamcrest.core.IsNot.not;
import static org.junit.Assert.*;
/*
* ****************************************************************************
* * Created by : Md Amirul Islam on 11/9/2018 at 8.11 PM.
* * Email : amirul.csejust@gmail.com
* *
* * Purpose: To test all element of UI
* *
* * Last edited by : Md Amirul Islam on 11/11/2018.
* *
* * Last Reviewed by : <Reviewer Name> on <mm/dd/yy>
* ****************************************************************************
*/
@RunWith(AndroidJUnit4.class)
public class MainActivityTest2 {
// To launch the mentioned activity under testing
@Rule
public ActivityTestRule<MainActivity> activityTestRule = new ActivityTestRule<>(MainActivity.class);
@Test
public void emailIsEmpty() {
delay(2000);
onView(withId(R.id.etEmailInput)).perform(clearText());
delay(2000);
onView(withId(R.id.btnSubmit)).perform(click());
delay(2000);
onView(withId(R.id.etEmailInput)).check(matches(withError(getString(R.string.error_field_required))));
delay(2000);
}
@Test
public void passwordIsEmpty() {
delay(2000);
onView(withId(R.id.etEmailInput)).perform(typeText("email@email.com"), closeSoftKeyboard());
delay(2000);
onView(withId(R.id.etPassInput)).perform(clearText());
delay(2000);
onView(withId(R.id.btnSubmit)).perform(click());
delay(2000);
onView(withId(R.id.etPassInput)).check(matches(withError(getString(R.string.error_field_required))));
delay(2000);
}
@Test
public void emailIsInvalid() {
delay(2000);
onView(withId(R.id.etEmailInput)).perform(typeText("invalid"), closeSoftKeyboard());
delay(2000);
onView(withId(R.id.btnSubmit)).perform(click());
delay(2000);
onView(withId(R.id.etEmailInput)).check(matches(withError(getString(R.string.error_invalid_email))));
delay(2000);
}
@Test
public void passwordIsTooShort() {
delay(2000);
onView(withId(R.id.etEmailInput)).perform(typeText("amir@email.com"), closeSoftKeyboard());
delay(2000);
onView(withId(R.id.etPassInput)).perform(typeText("1234"), closeSoftKeyboard());
delay(2000);
onView(withId(R.id.btnSubmit)).perform(click());
delay(2000);
onView(withId(R.id.etPassInput)).check(matches(withError(getString(R.string.error_invalid_password))));
delay(2000);
}
@Test
public void loginFailed() {
delay(2000);
onView(withId(R.id.etEmailInput)).perform(typeText("incorrect@email.com"), closeSoftKeyboard());
onView(withId(R.id.etPassInput)).perform(typeText("123456"), closeSoftKeyboard());
delay(2000);
onView(withId(R.id.btnSubmit)).perform(click());
onView(withText(getString(R.string.error_login_failed)))
.inRoot(withDecorView(not(activityTestRule.getActivity().getWindow().getDecorView())))
.check(matches(isDisplayed()));
delay(2000);
}
@Test
public void loginSuccessfully_shouldShowWelcomeMessage() {
delay(2000);
onView(withId(R.id.etEmailInput)).perform(typeText("amir@gmail.com"), closeSoftKeyboard());
onView(withId(R.id.etPassInput)).perform(typeText("123456"), closeSoftKeyboard());
delay(2000);
onView(withId(R.id.btnSubmit)).perform(click());
onView(withId(R.id.tv_welcome)).check(matches(withText("Hi amir@gmail.com!")));
}
@Test
public void loginSuccessfully_shouldShowToast() {
delay(2000);
onView(withId(R.id.etEmailInput)).perform(typeText("amir@gmail.com"), closeSoftKeyboard());
onView(withId(R.id.etPassInput)).perform(typeText("123456"), closeSoftKeyboard());
delay(2000);
onView(withId(R.id.btnSubmit)).perform(click());
onView(withText(getString(R.string.login_successfully)))
.inRoot(withDecorView(not(activityTestRule.getActivity().getWindow().getDecorView())))
.check(matches(isDisplayed()));
delay(2000);
}
private String getString(@StringRes int resourceId) {
return activityTestRule.getActivity().getString(resourceId);
}
private static Matcher<View> withError(final String expected) {
return new TypeSafeMatcher<View>() {
@Override
protected boolean matchesSafely(View item) {
if (item instanceof EditText) {
return ((EditText)item).getError().toString().equals(expected);
}
return false;
}
@Override
public void describeTo(Description description) {
description.appendText("Not found error message" + expected + ", find it!");
}
};
}
private void delay(long item) {
try {
Thread.sleep(item);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
//full code : https://github.com/amirul12/loginAndroidEspresso
view raw login5espresso_final.java hosted with ❤ by GitHub


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