index_manager.test.ts: add tests

Author: dconeybe

packages/firestore/test/unit/local/index_manager.test.ts

@@ -1734,6 +1734,21 @@ describe('IndexedDbIndexManager', async () => {
     await validateIsFullIndex(query_);
   });
 
+  it('deleteAllFieldIndexes() deletes all indexes', async () => {
+    // Create some indexes.
+    const query1 = queryWithAddedFilter(query('coll'), filter('a', '==', 42));
+    await indexManager.createTargetIndexes(queryToTarget(query1));
+    await validateIsFullIndex(query1);
+    const query2 = queryWithAddedFilter(query('coll'), filter('b', '==', 42));
+    await indexManager.createTargetIndexes(queryToTarget(query2));
+    await validateIsFullIndex(query2);
+
+    // Verify that deleteAllFieldIndexes() deletes the indexes.
+    await indexManager.deleteAllFieldIndexes();
+    await validateIsNoneIndex(query1);
+    await validateIsNoneIndex(query2);
+  });
+
   async function validateIsPartialIndex(query: Query): Promise<void> {
     await validateIndexType(query, IndexType.PARTIAL);
   }

packages/firestore/test/unit/local/test_index_manager.ts

@@ -71,6 +71,14 @@ export class TestIndexManager {
     );
   }
 
+  deleteAllFieldIndexes(): Promise<void> {
+    return this.persistence.runTransaction(
+      'deleteAllFieldIndexes',
+      'readwrite',
+      txn => this.indexManager.deleteAllFieldIndexes(txn)
+    );
+  }
+
   getFieldIndexes(collectionGroup?: string): Promise<FieldIndex[]> {
     return this.persistence.runTransaction('getFieldIndexes', 'readonly', txn =>
       collectionGroup