Fix database returning stale data after calling overwriteDatabaseFile…

… on it

src/processor.ts

@@ -316,6 +316,7 @@ export class SQLocalProcessor {
 				this.config.databasePath,
 				database
 			);
+			await this.init();
 			this.emitMessage({
 				type: 'success',
 				queryKey,

test/get-database-file.test.ts

@@ -12,11 +12,13 @@ describe('getDatabaseFile', () => {
 
 			await sql`CREATE TABLE nums (num REAL NOT NULL)`;
 			const file = await getDatabaseFile();
+			const now = new Date().getTime();
 
 			expect(file).toBeInstanceOf(File);
 			expect(file.name).toBe(fileName);
 			expect(file.size).toBe(16384);
 			expect(file.type).toBe('application/x-sqlite3');
+			expect(now - file.lastModified).toBeLessThan(50);
 
 			let dirHandle = await navigator.storage.getDirectory();
 

test/overwrite-database-file.test.ts

@@ -0,0 +1,29 @@
+import { describe, it, expect, afterAll } from 'vitest';
+import { SQLocal } from '../src/index';
+
+describe('overwriteDatabaseFile', async () => {
+	const db1 = new SQLocal('overwrite-test-db1.sqlite3');
+	const db2 = new SQLocal('overwrite-test-db2.sqlite3');
+
+	await db1.sql`CREATE TABLE letters (letter TEXT NOT NULL)`;
+	await db1.sql`INSERT INTO letters (letter) VALUES ('a'), ('b'), ('c')`;
+
+	await db2.sql`CREATE TABLE nums (num INTEGER NOT NULL)`;
+	await db2.sql`INSERT INTO nums (num) VALUES (1), (2), (3)`;
+
+	afterAll(async () => {
+		const opfs = await navigator.storage.getDirectory();
+		await opfs.removeEntry('overwrite-test-db1.sqlite3');
+		await opfs.removeEntry('overwrite-test-db2.sqlite3');
+	});
+
+	it('should replace the contents of a database', async () => {
+		const db2File = await db2.getDatabaseFile();
+		await db1.overwriteDatabaseFile(db2File);
+
+		const letters = db1.sql`SELECT * FROM letters`;
+		expect(letters).rejects.toThrow();
+		const nums = db1.sql`SELECT * FROM nums`;
+		expect(nums).resolves.toEqual([{ num: 1 }, { num: 2 }, { num: 3 }]);
+	});
+});