robot-pattern

Author: kiratalrejacbr

robot-pattern/README.md

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+---
+layout: pattern
+title: Robot Pattern
+folder: robot-pattern
+permalink: /patterns/pipeline/
+categories: Testing
+language: en
+tags:
+ - UI testing
+---
+
+## Intent
+
+Robot design pattern intends to separate the "how" of UI testing from the "what". When testing the UI, 
+the purpose should be to test how the view works, and not explicitly test the fields and their values. 
+
+## Explanation
+
+Robot design pattern suggests building a "testing robot" for each UI screen, which is responsible for 
+finding the relevant buttons and fields on the screen. The test itself should just specify the values and buttons 
+to be tested - not their locations or logistical details. 
+ 
+Real world example
+
+> Suppose a developer wants to test a login screen, they can write a test which specifies the username 
+and password, along with with the button to be clicked. They don't have to specify the variables 
+being tested or make assertion statements - the robot should abstract all those details from the 
+developer       
+
+In plain words
+
+> Robot design pattern abstracts the "what" of UI testing and lets the developer focus on 
+the "how"
+
+Wikipedia says
+
+> The Robot Pattern was designed by Jake Wharton at Square back in 2016. The power of this pattern
+is its ability to create an abstraction layer in order to interact with the UI in a declarative mode.
+Once created, it is then possible to perform multiple tests in order to verify our use cases without
+boilerplate code, as well as without maintenance problems related to a refactor.
+
+
+**Programmatic Example**
+
+For a login screen, a standard automated UI test for email and password assertion 
+would look like - 
+
+```java
+onView(withId(R.id.edt_email)).perform(typeText(user), closeSoftKeyboard());
+onView(withId(R.id.edt_pass)).perform(typeText(pass), closeSoftKeyboard());
+onView(withId(R.id.btn_login)).perform(click());
+onView(withId(R.id.tv_result)).check(matches(withText("LOGIN FAILED")));
+```
+
+However, the aim of the robot pattern is to abstract the technicalities and represent 
+the test as this instead - 
+
+```java 
+new LoginRobot().username("[email protected]").password("sunflowers").login().resultSuccess();```
+
+## Class diagram
+
+![alt text](./etc/robot-pattern.png “Robot pattern class diagram")
+
+## Applicability
+
+Use the Robot design pattern when you want to
+
+* Build automated UI tests for an entire app 
+* Unsure about the exact location and variables of the UI elements and want 
+to maintain the longevity of the tests 
+
+
+## Credits
+
+* [UI testing with Espresso](https://guides.codepath.com/android/ui-testing-with-espresso)
+* [UI testing in Android](https://codingwithmitch.com/blog/ui-testing-with-espresso-android/)

robot-pattern/etc/robot-pattern.png

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+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    This project is licensed under the MIT license. Module model-view-viewmodel is using ZK framework licensed under LGPL (see lgpl-3.0.txt).
+
+    The MIT License
+    Copyright © 2014-2022 Ilkka Seppälä
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in
+    all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+    THE SOFTWARE.
+
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>com.iluwatar</groupId>
+    <artifactId>java-design-patterns</artifactId>
+    <version>1.26.0-SNAPSHOT</version>
+  </parent>
+  <artifactId>promise</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter-engine</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.mockito</groupId>
+      <artifactId>mockito-core</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-assembly-plugin</artifactId>
+        <executions>
+          <execution>
+            <configuration>
+              <archive>
+                <manifest>
+                  <mainClass>com.example.robotdesignpattern.LoginScreen</mainClass>
+                </manifest>
+              </archive>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+</project>

robot-pattern/pom.xml

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+#Sat Oct 29 14:15:17 AEDT 2022
+gradle.version=4.10.1

robot-pattern/src/.gradle/4.10.1/fileChanges/last-build.bin

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+/build

robot-pattern/src/.gradle/4.10.1/fileContent/fileContent.lock

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 28
+    defaultConfig {
+        applicationId "com.example.espressoexample"
+        minSdkVersion 15
+        targetSdkVersion 28
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.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'
+    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'
+
+}

robot-pattern/src/.gradle/4.10.1/fileHashes/fileHashes.bin

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

robot-pattern/src/.gradle/4.10.1/fileHashes/fileHashes.lock

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+package com.example.robotdesignpattern;
+
+import static android.support.test.espresso.Espresso.onView;
+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.ViewMatchers.withId;
+import static android.support.test.espresso.matcher.ViewMatchers.withText;
+
+public class LoginRobot {
+
+    public LoginRobot username(String user) {
+        onView(withId(R.id.edt_email)).perform(typeText(user), closeSoftKeyboard());
+        return this;
+    }
+
+    public LoginRobot password(String pass){
+        onView(withId(R.id.edt_pass)).perform(typeText(pass), closeSoftKeyboard());
+        return this;
+    }
+
+    public LoginRobot login(){
+        onView(withId(R.id.btn_login)).perform(click());
+        return this;
+    }
+
+    public LoginRobot resultFail(){
+        onView(withId(R.id.tv_result)).check(matches(withText("LOGIN FAILED")));
+        return this;
+
+    }
+
+    public LoginRobot resultSuccess(){
+        onView(withId(R.id.tv_result)).check(matches(withText("LOGIN SUCCESS!")));
+        return this;
+
+    }
+
+
+
+
+}

robot-pattern/src/.gradle/4.10.1/fileHashes/resourceHashesCache.bin

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+package com.example.robotdesignpattern;
+
+import android.support.test.rule.ActivityTestRule;
+import android.support.test.runner.AndroidJUnit4;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static android.support.test.espresso.action.ViewActions.click;
+import static android.support.test.espresso.matcher.ViewMatchers.withId;
+import static android.support.test.espresso.matcher.ViewMatchers.withText;
+
+@RunWith(AndroidJUnit4.class)
+public class LoginTest {
+
+    @Rule
+    public ActivityTestRule<LoginScreen> activityRule
+            = new ActivityTestRule<>(LoginScreen.class);
+
+    @Test
+    public void loginFailed() {
+        new LoginRobot().username("[email protected]").password("roses").login().resultFail();
+    }
+
+    @Test
+    public void loginSuccess() {
+        new LoginRobot().username("[email protected]").password("sunflowers").login().resultSuccess();
+
+    }
+
+}

robot-pattern/src/.gradle/4.10.1/gc.properties

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.robotdesignpattern">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity android:name="com.example.robotdesignpattern.LoginScreen">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

robot-pattern/src/.gradle/4.10.1/javaCompile/classAnalysis.bin

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+package com.example.robotdesignpattern;
+
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.TextView;
+
+public class
+LoginScreen extends AppCompatActivity {
+
+    EditText Email, Password;
+    Button Login;
+    TextView Result;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        Email = findViewById(R.id.edt_email);
+        Password = findViewById(R.id.edt_pass);
+        Result = findViewById(R.id.tv_result);
+        Login = findViewById(R.id.btn_login);
+
+        Login.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+
+                if (Email.getText().toString().equalsIgnoreCase("[email protected]")
+                && Password.getText().toString().equalsIgnoreCase("sunflowers")) {
+                    Result.setText("LOGIN SUCCESS!");
+                } else {
+                    Result.setText("LOGIN FAILED");
+                }
+
+            }
+        });
+    }
+}

robot-pattern/src/.gradle/4.10.1/javaCompile/jarAnalysis.bin

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+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillType="evenOdd"
+        android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="78.5885"
+                android:endY="90.9159"
+                android:startX="48.7653"
+                android:startY="61.0927"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>