| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.google.android.apps.common.testing.ui.espresso; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Indicates that an exception occurred while performing a ViewAction on the UI thread. |
| * |
| * A description of the {@link ViewAction}, the view being performed on and the cause are included |
| * in the error. Note: {@link FailureHandler}s can mutate the exception later to make it more user |
| * friendly. |
| * |
| * This is generally not recoverable so it is thrown on the instrumentation thread. |
| */ |
| public final class PerformException extends RuntimeException implements EspressoException { |
| |
| private static final String MESSAGE_FORMAT = "Error performing '%s' on view '%s'."; |
| |
| private final String actionDescription; |
| private final String viewDescription; |
| |
| private PerformException(Builder builder) { |
| super(String.format(MESSAGE_FORMAT, builder.actionDescription, builder.viewDescription), |
| builder.cause); |
| this.actionDescription = checkNotNull(builder.actionDescription); |
| this.viewDescription = checkNotNull(builder.viewDescription); |
| } |
| |
| public String getActionDescription() { |
| return actionDescription; |
| } |
| |
| public String getViewDescription() { |
| return viewDescription; |
| } |
| |
| /** |
| * Builder for {@link PerformException}. |
| */ |
| public static class Builder { |
| private String actionDescription; |
| private String viewDescription; |
| private Throwable cause; |
| |
| public Builder from(PerformException instance) { |
| this.actionDescription = instance.getActionDescription(); |
| this.viewDescription = instance.getViewDescription(); |
| this.cause = instance.getCause(); |
| return this; |
| } |
| |
| public Builder withActionDescription(String actionDescription) { |
| this.actionDescription = actionDescription; |
| return this; |
| } |
| |
| public Builder withViewDescription(String viewDescription) { |
| this.viewDescription = viewDescription; |
| return this; |
| } |
| |
| public Builder withCause(Throwable cause) { |
| this.cause = cause; |
| return this; |
| } |
| |
| public PerformException build() { |
| return new PerformException(this); |
| } |
| } |
| } |