Merge "Fix validation crash for nextPageToken." into sc-dev
diff --git a/service/java/com/android/server/appsearch/external/localstorage/AppSearchImpl.java b/service/java/com/android/server/appsearch/external/localstorage/AppSearchImpl.java
index 18e1ef5..15916cc 100644
--- a/service/java/com/android/server/appsearch/external/localstorage/AppSearchImpl.java
+++ b/service/java/com/android/server/appsearch/external/localstorage/AppSearchImpl.java
@@ -146,6 +146,9 @@
public final class AppSearchImpl implements Closeable {
private static final String TAG = "AppSearchImpl";
+ /** A value 0 means that there're no more pages in the search results. */
+ private static final long EMPTY_PAGE_TOKEN = 0;
+
@VisibleForTesting static final int CHECK_OPTIMIZE_INTERVAL = 100;
private final ReadWriteLock mReadWriteLock = new ReentrantReadWriteLock();
@@ -1139,6 +1142,16 @@
searchResultProto.getResultsCount(),
searchResultProto);
checkSuccess(searchResultProto.getStatus());
+ if (nextPageToken != EMPTY_PAGE_TOKEN
+ && searchResultProto.getNextPageToken() == EMPTY_PAGE_TOKEN) {
+ // At this point, we're guaranteed that this nextPageToken exists for this package,
+ // otherwise checkNextPageToken would've thrown an exception.
+ // Since the new token is 0, this is the last page. We should remove the old token
+ // from our cache since it no longer refers to this query.
+ synchronized (mNextPageTokensLocked) {
+ mNextPageTokensLocked.get(packageName).remove(nextPageToken);
+ }
+ }
return rewriteSearchResultProto(searchResultProto, mSchemaMapLocked);
} finally {
mReadWriteLock.readLock().unlock();
@@ -2059,6 +2072,10 @@
}
private void addNextPageToken(String packageName, long nextPageToken) {
+ if (nextPageToken == EMPTY_PAGE_TOKEN) {
+ // There is no more pages. No need to add it.
+ return;
+ }
synchronized (mNextPageTokensLocked) {
Set<Long> tokens = mNextPageTokensLocked.get(packageName);
if (tokens == null) {
@@ -2071,6 +2088,11 @@
private void checkNextPageToken(String packageName, long nextPageToken)
throws AppSearchException {
+ if (nextPageToken == EMPTY_PAGE_TOKEN) {
+ // Swallow the check for empty page token, token = 0 means there is no more page and it
+ // won't return anything from Icing.
+ return;
+ }
synchronized (mNextPageTokensLocked) {
Set<Long> nextPageTokens = mNextPageTokensLocked.get(packageName);
if (nextPageTokens == null || !nextPageTokens.contains(nextPageToken)) {
diff --git a/synced_jetpack_changeid.txt b/synced_jetpack_changeid.txt
index 6555107..a81d7d8 100644
--- a/synced_jetpack_changeid.txt
+++ b/synced_jetpack_changeid.txt
@@ -1 +1 @@
-c7387d9b58726a23a0608a9365fb3a1b57b7b8a1
+Ie04f1ecc033faae8085afcb51eb9e40a298998d5
diff --git a/testing/coretests/src/android/app/appsearch/AppSearchSessionUnitTest.java b/testing/coretests/src/android/app/appsearch/AppSearchSessionUnitTest.java
index d51004c..07e4333 100644
--- a/testing/coretests/src/android/app/appsearch/AppSearchSessionUnitTest.java
+++ b/testing/coretests/src/android/app/appsearch/AppSearchSessionUnitTest.java
@@ -16,6 +16,8 @@
package android.app.appsearch;
+import static android.app.appsearch.SearchSpec.TERM_MATCH_PREFIX;
+
import static com.google.common.truth.Truth.assertThat;
import static org.testng.Assert.expectThrows;
@@ -30,6 +32,8 @@
import org.junit.Before;
import org.junit.Test;
+import java.util.ArrayList;
+import java.util.List;
import java.util.Objects;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
@@ -100,4 +104,127 @@
.isEqualTo(AppSearchResult.RESULT_INTERNAL_ERROR);
assertThat(appSearchException.getMessage()).startsWith("NullPointerException");
}
+
+ @Test
+ public void testGetEmptyNextPage() throws Exception {
+ // Set the schema.
+ CompletableFuture<AppSearchResult<SetSchemaResponse>> schemaFuture =
+ new CompletableFuture<>();
+ mSearchSession.setSchema(
+ new SetSchemaRequest.Builder()
+ .addSchemas(new AppSearchSchema.Builder("schema1").build())
+ .setForceOverride(true).build(),
+ mExecutor, mExecutor, schemaFuture::complete);
+ schemaFuture.get().getResultValue();
+
+ // Create a document and index it.
+ GenericDocument document1 = new GenericDocument.Builder<>("namespace", "id1",
+ "schema1").build();
+ CompletableFuture<AppSearchBatchResult<String, Void>> putDocumentsFuture =
+ new CompletableFuture<>();
+ mSearchSession.put(
+ new PutDocumentsRequest.Builder().addGenericDocuments(document1).build(),
+ mExecutor, new BatchResultCallback<String, Void>() {
+ @Override
+ public void onResult(AppSearchBatchResult<String, Void> result) {
+ putDocumentsFuture.complete(result);
+ }
+
+ @Override
+ public void onSystemError(Throwable throwable) {
+ putDocumentsFuture.completeExceptionally(throwable);
+ }
+ });
+ putDocumentsFuture.get();
+
+ // Search and get the first page.
+ SearchSpec searchSpec = new SearchSpec.Builder()
+ .setTermMatch(TERM_MATCH_PREFIX)
+ .setResultCountPerPage(1)
+ .build();
+ SearchResults searchResults = mSearchSession.search("", searchSpec);
+
+ CompletableFuture<AppSearchResult<List<SearchResult>>> getNextPageFuture =
+ new CompletableFuture<>();
+ searchResults.getNextPage(mExecutor, getNextPageFuture::complete);
+ List<SearchResult> results = getNextPageFuture.get().getResultValue();
+ assertThat(results).hasSize(1);
+ assertThat(results.get(0).getGenericDocument()).isEqualTo(document1);
+
+ // We get all documents, and it shouldn't fail if we keep calling getNextPage().
+ getNextPageFuture = new CompletableFuture<>();
+ searchResults.getNextPage(mExecutor, getNextPageFuture::complete);
+ results = getNextPageFuture.get().getResultValue();
+ assertThat(results).isEmpty();
+ }
+
+ @Test
+ public void testGetEmptyNextPage_multiPages() throws Exception {
+ // Set the schema.
+ CompletableFuture<AppSearchResult<SetSchemaResponse>> schemaFuture =
+ new CompletableFuture<>();
+ mSearchSession.setSchema(
+ new SetSchemaRequest.Builder()
+ .addSchemas(new AppSearchSchema.Builder("schema1").build())
+ .setForceOverride(true).build(),
+ mExecutor, mExecutor, schemaFuture::complete);
+ schemaFuture.get().getResultValue();
+
+ // Create a document and insert 3 package1 documents
+ GenericDocument document1 = new GenericDocument.Builder<>("namespace", "id1",
+ "schema1").build();
+ GenericDocument document2 = new GenericDocument.Builder<>("namespace", "id2",
+ "schema1").build();
+ GenericDocument document3 = new GenericDocument.Builder<>("namespace", "id3",
+ "schema1").build();
+ CompletableFuture<AppSearchBatchResult<String, Void>> putDocumentsFuture =
+ new CompletableFuture<>();
+ mSearchSession.put(
+ new PutDocumentsRequest.Builder()
+ .addGenericDocuments(document1, document2, document3).build(),
+ mExecutor, new BatchResultCallback<String, Void>() {
+ @Override
+ public void onResult(AppSearchBatchResult<String, Void> result) {
+ putDocumentsFuture.complete(result);
+ }
+
+ @Override
+ public void onSystemError(Throwable throwable) {
+ putDocumentsFuture.completeExceptionally(throwable);
+ }
+ });
+ putDocumentsFuture.get();
+
+ // Search for only 2 result per page
+ SearchSpec searchSpec = new SearchSpec.Builder()
+ .setTermMatch(TERM_MATCH_PREFIX)
+ .setResultCountPerPage(2)
+ .build();
+ SearchResults searchResults = mSearchSession.search("", searchSpec);
+
+ // Get the first page, it contains 2 results.
+ List<GenericDocument> outDocs = new ArrayList<>();
+ CompletableFuture<AppSearchResult<List<SearchResult>>> getNextPageFuture =
+ new CompletableFuture<>();
+ searchResults.getNextPage(mExecutor, getNextPageFuture::complete);
+ List<SearchResult> results = getNextPageFuture.get().getResultValue();
+ assertThat(results).hasSize(2);
+ outDocs.add(results.get(0).getGenericDocument());
+ outDocs.add(results.get(1).getGenericDocument());
+
+ // Get the second page, it contains only 1 result.
+ getNextPageFuture = new CompletableFuture<>();
+ searchResults.getNextPage(mExecutor, getNextPageFuture::complete);
+ results = getNextPageFuture.get().getResultValue();
+ assertThat(results).hasSize(1);
+ outDocs.add(results.get(0).getGenericDocument());
+
+ assertThat(outDocs).containsExactly(document1, document2, document3);
+
+ // We get all documents, and it shouldn't fail if we keep calling getNextPage().
+ getNextPageFuture = new CompletableFuture<>();
+ searchResults.getNextPage(mExecutor, getNextPageFuture::complete);
+ results = getNextPageFuture.get().getResultValue();
+ assertThat(results).isEmpty();
+ }
}