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/*
* Copyright (C) 2018 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.textclassifier.downloader;
import static com.google.common.truth.Truth.assertThat;
import android.util.Log;
import android.view.textclassifier.TextClassification;
import android.view.textclassifier.TextClassification.Request;
import com.android.textclassifier.testing.ExtServicesTextClassifierRule;
import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
@RunWith(JUnit4.class)
public class ModelDownloaderIntegrationTest {
private static final String TAG = "ModelDownloaderTest";
private static final String EXPERIMENTAL_EN_ANNOTATOR_MANIFEST_URL =
"https://www.gstatic.com/android/text_classifier/r/experimental/v999999999/en.fb.manifest";
private static final String EXPERIMENTAL_EN_TAG = "en_v999999999";
private static final String V804_EN_ANNOTATOR_MANIFEST_URL =
"https://www.gstatic.com/android/text_classifier/r/v804/en.fb.manifest";
private static final String V804_RU_ANNOTATOR_MANIFEST_URL =
"https://www.gstatic.com/android/text_classifier/r/v804/ru.fb.manifest";
private static final String V804_EN_TAG = "en_v804";
private static final String V804_RU_TAG = "ru_v804";
private static final String FACTORY_MODEL_TAG = "*";
private static final int ASSERT_MAX_ATTEMPTS = 20;
private static final int ASSERT_SLEEP_BEFORE_RETRY_MS = 1000;
@Rule
public final ExtServicesTextClassifierRule extServicesTextClassifierRule =
new ExtServicesTextClassifierRule();
@Before
public void setup() throws Exception {
extServicesTextClassifierRule.addDeviceConfigOverride("config_updater_model_enabled", "false");
extServicesTextClassifierRule.addDeviceConfigOverride("model_download_manager_enabled", "true");
extServicesTextClassifierRule.addDeviceConfigOverride(
"model_download_backoff_delay_in_millis", "5");
extServicesTextClassifierRule.addDeviceConfigOverride("testing_locale_list_override", "en-US");
extServicesTextClassifierRule.overrideDeviceConfig();
extServicesTextClassifierRule.enableVerboseLogging();
// Verbose logging only takes effect after restarting ExtServices
extServicesTextClassifierRule.forceStopExtServices();
}
@After
public void tearDown() throws Exception {
// This is to reset logging/locale_override for ExtServices.
extServicesTextClassifierRule.forceStopExtServices();
}
@Test
public void smokeTest() throws Exception {
extServicesTextClassifierRule.addDeviceConfigOverride(
"manifest_url_annotator_en", V804_EN_ANNOTATOR_MANIFEST_URL);
assertWithRetries(() -> verifyActiveEnglishModel(V804_EN_TAG));
}
@Test
public void downgradeModel() throws Exception {
// Download an experimental model.
extServicesTextClassifierRule.addDeviceConfigOverride(
"manifest_url_annotator_en", EXPERIMENTAL_EN_ANNOTATOR_MANIFEST_URL);
assertWithRetries(() -> verifyActiveEnglishModel(EXPERIMENTAL_EN_TAG));
// Downgrade to an older model.
extServicesTextClassifierRule.addDeviceConfigOverride(
"manifest_url_annotator_en", V804_EN_ANNOTATOR_MANIFEST_URL);
assertWithRetries(() -> verifyActiveEnglishModel(V804_EN_TAG));
}
@Test
public void upgradeModel() throws Exception {
// Download a model.
extServicesTextClassifierRule.addDeviceConfigOverride(
"manifest_url_annotator_en", V804_EN_ANNOTATOR_MANIFEST_URL);
assertWithRetries(() -> verifyActiveEnglishModel(V804_EN_TAG));
// Upgrade to an experimental model.
extServicesTextClassifierRule.addDeviceConfigOverride(
"manifest_url_annotator_en", EXPERIMENTAL_EN_ANNOTATOR_MANIFEST_URL);
assertWithRetries(() -> verifyActiveEnglishModel(EXPERIMENTAL_EN_TAG));
}
@Test
public void clearFlag() throws Exception {
// Download a new model.
extServicesTextClassifierRule.addDeviceConfigOverride(
"manifest_url_annotator_en", EXPERIMENTAL_EN_ANNOTATOR_MANIFEST_URL);
assertWithRetries(() -> verifyActiveEnglishModel(EXPERIMENTAL_EN_TAG));
// Revert the flag.
extServicesTextClassifierRule.addDeviceConfigOverride("manifest_url_annotator_en", "");
// Fallback to use the universal model.
assertWithRetries(
() -> verifyActiveModel(/* text= */ "abc", /* expectedVersion= */ FACTORY_MODEL_TAG));
}
@Test
public void modelsForMultipleLanguagesDownloaded() throws Exception {
extServicesTextClassifierRule.addDeviceConfigOverride("multi_language_support_enabled", "true");
extServicesTextClassifierRule.addDeviceConfigOverride(
"testing_locale_list_override", "en-US,ru-RU");
// download en model
extServicesTextClassifierRule.addDeviceConfigOverride(
"manifest_url_annotator_en", EXPERIMENTAL_EN_ANNOTATOR_MANIFEST_URL);
// download ru model
extServicesTextClassifierRule.addDeviceConfigOverride(
"manifest_url_annotator_ru", V804_RU_ANNOTATOR_MANIFEST_URL);
assertWithRetries(() -> verifyActiveEnglishModel(EXPERIMENTAL_EN_TAG));
assertWithRetries(this::verifyActiveRussianModel);
assertWithRetries(
() -> verifyActiveModel(/* text= */ "français", /* expectedVersion= */ FACTORY_MODEL_TAG));
}
private void assertWithRetries(Runnable assertRunnable) throws Exception {
for (int i = 0; i < ASSERT_MAX_ATTEMPTS; i++) {
try {
extServicesTextClassifierRule.overrideDeviceConfig();
assertRunnable.run();
break; // success. Bail out.
} catch (AssertionError ex) {
if (i == ASSERT_MAX_ATTEMPTS - 1) { // last attempt, give up.
extServicesTextClassifierRule.dumpDefaultTextClassifierService();
throw ex;
} else {
Thread.sleep(ASSERT_SLEEP_BEFORE_RETRY_MS);
}
} catch (Exception unknownException) {
throw unknownException;
}
}
}
private void verifyActiveModel(String text, String expectedVersion) {
TextClassification textClassification =
extServicesTextClassifierRule
.getTextClassifier()
.classifyText(new Request.Builder(text, 0, text.length()).build());
// The result id contains the name of the just used model.
Log.d(TAG, "verifyActiveModel. TextClassification ID: " + textClassification.getId());
assertThat(textClassification.getId()).contains(expectedVersion);
}
private void verifyActiveEnglishModel(String expectedVersion) {
verifyActiveModel("abc", expectedVersion);
}
private void verifyActiveRussianModel() {
verifyActiveModel("привет", V804_RU_TAG);
}
}
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