lib/search: make JaDBConnection into extension, add verifyTables

test/search/kanji_search_test.dart

@@ -1,4 +1,5 @@
 import 'package:jadb/const_data/kanji_grades.dart';
+import 'package:jadb/search.dart';
 import 'package:test/test.dart';
 
 import 'setup_database_connection.dart';
@@ -7,7 +8,7 @@ void main() {
   test("Search a kanji", () async {
     final connection = await setup_database_connection();
 
-    final result = await connection.searchKanji('漢');
+    final result = await connection.jadbSearchKanji('漢');
     expect(result, isNotNull);
   });
 
@@ -17,7 +18,7 @@ void main() {
         final connection = await setup_database_connection();
 
         for (final character in characters) {
-          final result = await connection.searchKanji(character);
+          final result = await connection.jadbSearchKanji(character);
           expect(result, isNotNull);
         }
       }, timeout: Timeout.factor(10));

test/search/setup_database_connection.dart

@@ -1,9 +1,9 @@
 import 'dart:io';
 
 import 'package:jadb/_data_ingestion/open_local_db.dart';
-import 'package:jadb/search.dart';
+import 'package:sqflite_common/sqlite_api.dart';
 
-Future<JaDBConnection> setup_database_connection() async {
+Future<Database> setup_database_connection() async {
   final lib_sqlite_path = Platform.environment['LIBSQLITE_PATH'];
   final jadb_path = Platform.environment['JADB_PATH'];
 
@@ -24,5 +24,5 @@ Future<JaDBConnection> setup_database_connection() async {
     throw Exception("Failed to open database");
   }
 
-  return JaDBConnection(db_connection);
+  return db_connection;
 }

test/search/word_search_test.dart

@@ -1,3 +1,4 @@
+import 'package:jadb/search.dart';
 import 'package:test/test.dart';
 
 import 'setup_database_connection.dart';
@@ -6,7 +7,7 @@ void main() {
   test("Search a word", () async {
     final connection = await setup_database_connection();
 
-    final result = await connection.searchWord("kana");
+    final result = await connection.jadbSearchWord("kana");
     expect(result, isNotNull);
   });
 
@@ -17,7 +18,7 @@ void main() {
 
       // Test serializing all words
       for (final letter in "aiueoksthnmyrw".split("")) {
-        await connection.searchWord(letter);
+        await connection.jadbSearchWord(letter);
       }
     },
     timeout: Timeout.factor(100),