1 /*
2  * Copyright (C) 2016 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.documentsui.bots;
18 
19 import static android.support.test.espresso.Espresso.onView;
20 import static android.support.test.espresso.assertion.ViewAssertions.matches;
21 import static android.support.test.espresso.matcher.ViewMatchers.isDisplayed;
22 
23 import android.support.test.espresso.ViewInteraction;
24 import android.view.View;
25 
26 import junit.framework.AssertionFailedError;
27 
28 import org.hamcrest.Matcher;
29 
30 /**
31  * Support methods for working with Espresso related matchers 'n stuff.
32  */
33 public final class Matchers {
34 
Matchers()35     private Matchers() {}
36 
present(Matcher<View> matcher)37     public static boolean present(Matcher<View> matcher) {
38         return present(onView(matcher), isDisplayed());
39     }
40 
present(ViewInteraction vi, Matcher<View> matcher)41     public static boolean present(ViewInteraction vi, Matcher<View> matcher) {
42         try {
43             vi.check(matches(matcher));
44             vi.check(matches(isDisplayed()));
45             return true;
46         }
47         // Catch AssertionFailedError because vi.check(matches(isDisplayed())) throws that if
48         // assertion fails.
49         catch (Exception|AssertionFailedError e) {
50             return false;
51         }
52     }
53 }
54