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