More tests for moor_ffi

moor_ffi/test/database/database_test.dart

@@ -11,6 +11,16 @@ void main() {
     expect(() => db.execute('SELECT 1'), throwsA(anything));
   });
 
+  test('getUpdatedRows', () {
+    final db = Database.memory();
+
+    db
+      ..execute('CREATE TABLE foo (bar INT);')
+      ..execute('INSERT INTO foo VALUES (3);');
+
+    expect(db.getUpdatedRows(), 1);
+  });
+
   test('closing multiple times works', () {
     final db = Database.memory();
     db.execute('SELECT 1');
@@ -18,4 +28,29 @@ void main() {
     db.close();
     db.close(); // shouldn't throw or crash
   });
+
+  test('throws exception on an invalid statement', () {
+    final db = Database.memory();
+    db.execute('CREATE TABLE foo (bar INTEGER CHECK (bar > 10));');
+
+    expect(
+      () => db.execute('INSERT INTO foo VALUES (3);'),
+      throwsA(const TypeMatcher<SqliteException>().having(
+          (e) => e.message, 'message', contains('CHECK constraint failed'))),
+    );
+
+    db.close();
+  });
+
+  test('throws when preparing an invalid statement', () {
+    final db = Database.memory();
+
+    expect(
+      () => db.prepare('INSERT INTO foo VALUES (3);'),
+      throwsA(const TypeMatcher<SqliteException>()
+          .having((e) => e.message, 'message', contains('no such table'))),
+    );
+
+    db.close();
+  });
 }

moor_ffi/test/database/prepared_statements_test.dart

@@ -43,35 +43,46 @@ void main() {
     expect(stmt.select, throwsA(anything));
   });
 
-  test('can bind empty blob in prepared statements', () {
+  Uint8List _insertBlob(Uint8List value) {
-    final opened = Database.memory();
-    opened.execute('CREATE TABLE tbl (x BLOB NOT NULL);');
-
-    final insert = opened.prepare('INSERT INTO tbl VALUES (?)');
-    insert.execute([Uint8List(0)]);
-    insert.close();
-
-    final select = opened.prepare('SELECT * FROM tbl');
-    final result = select.select().single;
-
-    expect(result['x'], <int>[]);
-
-    opened.close();
-  });
-
-  test('can bind null blob in prepared statements', () {
     final opened = Database.memory();
     opened.execute('CREATE TABLE tbl (x BLOB);');
 
     final insert = opened.prepare('INSERT INTO tbl VALUES (?)');
-    insert.execute([null]);
+    insert.execute([value]);
     insert.close();
 
     final select = opened.prepare('SELECT * FROM tbl');
     final result = select.select().single;
 
-    expect(result['x'], isNull);
-
     opened.close();
+    return result['x'] as Uint8List;
+  }
+
+  test('can bind empty blob in prepared statements', () {
+    expect(_insertBlob(Uint8List(0)), isEmpty);
+  });
+
+  test('can bind null blob in prepared statements', () {
+    expect(_insertBlob(null), isNull);
+  });
+
+  test('can bind and read non-empty blob', () {
+    const bytes = [1, 2, 3];
+    expect(_insertBlob(Uint8List.fromList(bytes)), bytes);
+  });
+
+  test('throws when sql statement has an error', () {
+    final db = Database.memory();
+    db.execute('CREATE TABLE foo (id INTEGER CHECK (id > 10));');
+
+    final stmt = db.prepare('INSERT INTO foo VALUES (9)');
+
+    expect(
+      stmt.execute,
+      throwsA(const TypeMatcher<SqliteException>()
+          .having((e) => e.message, 'message', contains('foo'))),
+    );
+
+    db.close();
   });
 }

moor_ffi/test/database/user_defined_functions_test.dart

@@ -84,4 +84,22 @@ void main() {
       ]);
     });
   });
+
+  test('throws when using a long function name', () {
+    final db = Database.memory();
+
+    expect(
+        () => db.createFunction('foo' * 100, 10, nullptr), throwsArgumentError);
+
+    db.close();
+  });
+
+  test('throws when using an invalid argument count', () {
+    final db = Database.memory();
+
+    expect(() => db.createFunction('foo', -2, nullptr), throwsArgumentError);
+    expect(() => db.createFunction('foo', 128, nullptr), throwsArgumentError);
+
+    db.close();
+  });
 }