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 androidx.test.espresso.Espresso.onView;
20 import static androidx.test.espresso.assertion.ViewAssertions.matches;
21 import static androidx.test.espresso.matcher.ViewMatchers.isDisplayed;
22 
23 import android.view.View;
24 
25 import androidx.test.espresso.ViewInteraction;
26 
27 import junit.framework.AssertionFailedError;
28 
29 import org.hamcrest.Matcher;
30 
31 /**
32  * Support methods for working with Espresso related matchers 'n stuff.
33  */
34 public final class Matchers {
35 
Matchers()36     private Matchers() {}
37 
present(Matcher<View> matcher)38     public static boolean present(Matcher<View> matcher) {
39         return present(onView(matcher), isDisplayed());
40     }
41 
present(ViewInteraction vi, Matcher<View> matcher)42     public static boolean present(ViewInteraction vi, Matcher<View> matcher) {
43         try {
44             vi.check(matches(matcher));
45             vi.check(matches(isDisplayed()));
46             return true;
47         }
48         // Catch AssertionFailedError because vi.check(matches(isDisplayed())) throws that if
49         // assertion fails.
50         catch (Exception|AssertionFailedError e) {
51             return false;
52         }
53     }
54 }
55