Added a functional test.

0a06e54c · Greyson Parrelli · 20c1caae · 0a06e54c
--- a/app/src/androidTest/java/com/greysonparrelli/gitlabciandroid/ExampleInstrumentedTest.java
+++ b/app/src/androidTest/java/com/greysonparrelli/gitlabciandroid/ExampleInstrumentedTest.java
@@ -2,11 +2,20 @@ package com.greysonparrelli.gitlabciandroid;

 import android.content.Context;
 import android.support.test.InstrumentationRegistry;
+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.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;
 import static org.junit.Assert.*;

 /**
@@ -15,12 +24,23 @@ import static org.junit.Assert.*;
 * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
 */
 @RunWith(AndroidJUnit4.class)
-public class ExampleInstrumentedTest {
+public class AddingTest {
+
+    @Rule
+    public ActivityTestRule<MainActivity> mActivityRule = new ActivityTestRule<>(MainActivity.class);
+
    @Test
-    public void useAppContext() throws Exception {
-        // Context of the app under test.
-        Context appContext = InstrumentationRegistry.getTargetContext();
+    public void addNumbers() throws Exception {
+        // Enter numbers to be added
+        onView(withId(R.id.num1))
+                .perform(typeText("1"), closeSoftKeyboard());
+        onView(withId(R.id.num2))
+                .perform(typeText("2"), closeSoftKeyboard());
+
+        // Click the calculate button
+        onView(withId(R.id.calc_button)).perform(click());

-        assertEquals("com.greysonparrelli.gitlabciandroid", appContext.getPackageName());
+        onView(withId(R.id.sum))
+                .check(matches(withText("3")));
    }
 }