VerificationModes.java
/*
* Copyright (C) 2015 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 androidx.test.espresso.intent;
import static junit.framework.Assert.fail;
import android.content.Intent;
import java.util.ArrayList;
import java.util.List;
import org.hamcrest.Matcher;
/** Implementations of {@link VerificationMode}. */
public final class VerificationModes {
/**
* Creates a {@link VerificationMode} in which all matching intents must have been previously
* verified.
*/
public static VerificationMode noUnverifiedIntents() {
return new NoUnverifiedIntents();
}
/** Creates a {@link VerificationMode} in which a specified number of intents must match. */
public static VerificationMode times(int times) {
return new Times(times);
}
/**
* A {@link VerificationMode} in which all matching intents must have been previously verified.
*/
private static final class NoUnverifiedIntents implements VerificationMode {
@Override
public void verify(Matcher<Intent> matcher, List<VerifiableIntent> recordedIntents) {
List<VerifiableIntent> unverifiedIntents = new ArrayList<VerifiableIntent>();
for (VerifiableIntent verifiableIntent : recordedIntents) {
if (matcher.matches(verifiableIntent.getIntent()) && !verifiableIntent.hasBeenVerified()) {
unverifiedIntents.add(verifiableIntent);
}
}
if (!unverifiedIntents.isEmpty()) {
fail(
String.format(
"Found unverified intents.\n\nUnverified intents:%s\n\nRecorded intents:%s",
joinOnDash(unverifiedIntents), joinOnDash(recordedIntents)));
}
}
}
/** A {@link VerificationMode} in which a specified number of intents must match. */
private static final class Times implements VerificationMode {
private final int times;
public Times(int times) {
this.times = times;
}
@Override
public void verify(Matcher<Intent> matcher, List<VerifiableIntent> recordedIntents) {
List<VerifiableIntent> matchedIntents = new ArrayList<VerifiableIntent>();
for (VerifiableIntent verifiableIntent : recordedIntents) {
if (matcher.matches(verifiableIntent.getIntent())) {
matchedIntents.add(verifiableIntent);
}
}
int matches = matchedIntents.size();
if (matches != times) {
fail(
String.format(
"Wanted to match %d intents. Actually matched %d intents.\n\n"
+ "IntentMatcher: %s\n\nMatched intents:%s\n\nRecorded intents:%s",
times, matches, matcher, joinOnDash(matchedIntents), joinOnDash(recordedIntents)));
}
// Wait until the verification succeeds to mark intents as verified.
for (VerifiableIntent verifiableIntent : matchedIntents) {
verifiableIntent.markAsVerified();
}
}
}
private static String joinOnDash(List<VerifiableIntent> recordedIntents) {
if (recordedIntents.isEmpty()) {
return "[]";
}
StringBuilder sb = new StringBuilder();
for (VerifiableIntent i : recordedIntents) {
sb.append(String.format("\n-%s)", i));
}
return sb.toString();
}
private VerificationModes() {} // Prevent instantiation.
}