Espresso Login Activity Test Cases

app/src/androidTest/java/in/sminnovations/arrest_tb/LoginActivity.java

@@ -0,0 +1,138 @@
+package in.sminnovations.arrest_tb;
+
+
+import androidx.test.filters.LargeTest;
+import androidx.test.rule.ActivityTestRule;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static androidx.test.espresso.Espresso.onView;
+import static androidx.test.espresso.action.ViewActions.click;
+import static androidx.test.espresso.action.ViewActions.closeSoftKeyboard;
+import static androidx.test.espresso.action.ViewActions.replaceText;
+import static androidx.test.espresso.action.ViewActions.typeText;
+import static androidx.test.espresso.assertion.ViewAssertions.matches;
+import static androidx.test.espresso.matcher.ViewMatchers.isDisplayed;
+import static androidx.test.espresso.matcher.ViewMatchers.withId;
+import static androidx.test.espresso.matcher.ViewMatchers.withText;
+
+@LargeTest
+@RunWith(AndroidJUnit4.class)
+public class LoginActivity {
+
+    @Rule
+    public ActivityTestRule<LoginScreen> mActivityTestRule = new ActivityTestRule<>(LoginScreen.class);
+
+
+    @Test
+    public void LoginSuccess_2() {
+        // Type text and then press the button.
+        onView(withId(R.id.contactnumber))
+                .perform(replaceText("9779057263"), closeSoftKeyboard());
+        onView(withId(R.id.password))
+                .perform(typeText("Deep"), closeSoftKeyboard());
+
+
+        onView(withId(R.id.showpassword)).perform(click());
+        onView(withId(R.id.login)).perform(click());
+        try {
+            Thread.sleep(160);
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+        // onView(withText("logged in Successfully...")).inRoot(new ToastMatcher()).check(matches(isDisplayed()));
+
+
+        // Check that the text was changed.
+    }
+    @Test
+    public void LoginInvalidNumber_3() {
+        // Type text and then press the button.
+        onView(withId(R.id.contactnumber))
+                .perform(typeText("977905"), closeSoftKeyboard());
+        onView(withId(R.id.password))
+                .perform(typeText("Deep"), closeSoftKeyboard());
+
+
+        onView(withId(R.id.showpassword)).perform(click());
+        onView(withId(R.id.login)).perform(click());
+        try {
+            Thread.sleep(160);
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+
+        onView(withText("No such user exists")).inRoot(new ToastMatcher()).check(matches(isDisplayed()));
+
+
+        // Check that the text was changed.
+    }
+    @Test
+    public void LoginWrongPassword_4() {
+        // Type text and then press the button.
+        onView(withId(R.id.contactnumber))
+                .perform(typeText("9779057263"), closeSoftKeyboard());
+        onView(withId(R.id.password))
+                .perform(typeText("Deep1"), closeSoftKeyboard());
+
+
+        onView(withId(R.id.showpassword)).perform(click());
+        onView(withId(R.id.login)).perform(click());
+        try {
+            Thread.sleep(160);
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+
+        onView(withText("Wrong Password")).inRoot(new ToastMatcher()).check(matches(isDisplayed()));
+
+
+        // Check that the text was changed.
+    }
+    @Test
+    public void EmptyPassword_5() {
+        // Type text and then press the button.
+        onView(withId(R.id.contactnumber))
+                .perform(typeText("9779057263"), closeSoftKeyboard());
+
+
+        onView(withId(R.id.showpassword)).perform(click());
+        onView(withId(R.id.login)).perform(click());
+        try {
+            Thread.sleep(160);
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+
+        onView(withText("Please enter all the required fields")).inRoot(new ToastMatcher()).check(matches(isDisplayed()));
+
+
+        // Check that the text was changed.
+    }
+
+    @Test
+    public void EmptyNumber_6() {
+        // Type text and then press the button.
+        onView(withId(R.id.password))
+                .perform(typeText("Deep1"), closeSoftKeyboard());
+
+        onView(withId(R.id.showpassword)).perform(click());
+        onView(withId(R.id.login)).perform(click());
+        try {
+            Thread.sleep(160);
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+
+        onView(withText("Please enter all the required fields")).inRoot(new ToastMatcher()).check(matches(isDisplayed()));
+
+
+        // Check that the text was changed.
+    }
+
+
+
+}

app/src/androidTest/java/in/sminnovations/arrest_tb/ToastMatcher.java

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+package in.sminnovations.arrest_tb;
+
+import android.os.IBinder;
+import android.view.WindowManager;
+
+import androidx.test.espresso.Root;
+
+import org.hamcrest.Description;
+import org.hamcrest.TypeSafeMatcher;
+
+public class ToastMatcher extends TypeSafeMatcher<Root> {
+
+    @Override
+    public void describeTo(Description description) {
+        description.appendText("is toast");
+    }
+
+    @Override
+    public boolean matchesSafely(Root root) {
+        int type = root.getWindowLayoutParams().get().type;
+        if ((type == WindowManager.LayoutParams.TYPE_TOAST)) {
+            IBinder windowToken = root.getDecorView().getWindowToken();
+            IBinder appToken = root.getDecorView().getApplicationWindowToken();
+            if (windowToken == appToken) {
+                return true;
+            }
+        }
+        return false;
+    }
+}