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/*
* Copyright (C) 2022 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.android.adservices.service.measurement;
import android.net.Uri;
import com.android.adservices.data.measurement.DatastoreException;
import com.android.adservices.service.measurement.actions.Action;
import com.android.adservices.service.measurement.actions.ReportObjects;
import org.json.JSONException;
import org.json.JSONObject;
import org.junit.Assert;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import java.io.IOException;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* End-to-end test from source and trigger registration to attribution reporting, using mocked HTTP
* requests, testing functionality when the test adds trigger data noise with 100% probability.
*/
@RunWith(Parameterized.class)
public class E2EImpressionNoiseMockTest extends E2EMockTest {
private static final String TEST_DIR_NAME = "msmt_e2e_noise_tests";
private final Map<String, Map<String, Integer>>
mActualTriggerDataDistributions = new HashMap<>();
private final Map<String, Map<String, Integer>>
mExpectedTriggerDataDistributions = new HashMap<>();
private interface PayloadKeys {
String EVENT_ID = "source_event_id";
String TRIGGER_DATA = "trigger_data";
}
@Parameterized.Parameters(name = "{3}")
public static Collection<Object[]> getData() throws IOException, JSONException {
return data(TEST_DIR_NAME);
}
public E2EImpressionNoiseMockTest(Collection<Action> actions, ReportObjects expectedOutput,
PrivacyParamsProvider privacyParamsProvider, String name) throws DatastoreException {
super(actions, expectedOutput, privacyParamsProvider, name);
mAttributionHelper = TestObjectProvider.getAttributionJobHandler(sDatastoreManager);
mMeasurementImpl =
TestObjectProvider.getMeasurementImpl(
sDatastoreManager,
mClickVerifier,
mFlags,
mMeasurementDataDeleter,
sEnrollmentDao);
mAsyncRegistrationQueueRunner =
TestObjectProvider.getAsyncRegistrationQueueRunner(
TestObjectProvider.Type.NOISY,
sDatastoreManager,
mAsyncSourceFetcher,
mAsyncTriggerFetcher,
sEnrollmentDao);
getExpectedTriggerDataDistributions();
}
@Override
void processEventReports(List<EventReport> eventReports, List<Uri> destinations,
List<JSONObject> payloads) throws JSONException {
// Each report-destination × event-ID should have the same count of trigger_data as in the
// expected output, but the trigger_data value distribution should be different. The test
// is currently supporting only one reporting job, which batches multiple reports at once,
// although each is a separate network request.
for (int i = 0; i < destinations.size(); i++) {
String uri = getReportUrl(ReportType.EVENT, destinations.get(i).toString());
JSONObject payload = payloads.get(i);
String eventId = payload.getString(PayloadKeys.EVENT_ID);
String triggerData = payload.getString(PayloadKeys.TRIGGER_DATA);
mActualTriggerDataDistributions.computeIfAbsent(
getKey(uri, eventId), k -> new HashMap<String, Integer>()).merge(
triggerData, 1, Integer::sum);
}
}
@Override
void evaluateResults() {
for (String key : mActualTriggerDataDistributions.keySet()) {
if (!mExpectedTriggerDataDistributions.containsKey(key)) {
Assert.assertTrue(getTestFailureMessage(
"Missing key in expected trigger data distributions"
+ getDatastoreState()), false);
}
}
boolean testPassed = false;
for (String key1 : mExpectedTriggerDataDistributions.keySet()) {
// No reports for a source is valid impression noise.
if (!mActualTriggerDataDistributions.containsKey(key1)) {
continue;
}
Map<String, Integer> expectedDistribution = mExpectedTriggerDataDistributions.get(key1);
Map<String, Integer> actualDistribution = mActualTriggerDataDistributions.get(key1);
for (String key2 : expectedDistribution.keySet()) {
if (!actualDistribution.containsKey(key2) || !actualDistribution.get(key2).equals(
expectedDistribution.get(key2))) {
testPassed = true;
break;
}
}
}
Assert.assertTrue(
getTestFailureMessage(
"Trigger data distributions were the same " + getDatastoreState()),
testPassed);
}
private void getExpectedTriggerDataDistributions() {
for (JSONObject reportObject : mExpectedOutput.mEventReportObjects) {
String uri = reportObject.optString(TestFormatJsonMapping.REPORT_TO_KEY);
JSONObject payload = reportObject.optJSONObject(TestFormatJsonMapping.PAYLOAD_KEY);
String eventId = payload.optString(PayloadKeys.EVENT_ID);
String triggerData = payload.optString(PayloadKeys.TRIGGER_DATA);
mExpectedTriggerDataDistributions.computeIfAbsent(
getKey(uri, eventId), k -> new HashMap<String, Integer>()).merge(
triggerData, 1, Integer::sum);
}
}
private String getTestFailureMessage(String message) {
return String.format("%s:\n\nExpected distributions: %s\n\nActual distributions: %s",
message, mExpectedTriggerDataDistributions, mActualTriggerDataDistributions);
}
private String getKey(String uri, String eventId) {
return uri + "," + eventId;
}
}
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