diff --git a/web/database/queries/metadata-queries.test.js b/web/database/queries/metadata-queries.test.js
new file mode 100644
--- /dev/null
+++ b/web/database/queries/metadata-queries.test.js
@@ -0,0 +1,70 @@
+// @flow
+
+import initSqlJs from 'sql.js';
+
+import { setupSQLiteDB } from './db-queries.js';
+import { clearMetadata, getMetadata, setMetadata } from './metadata-queries.js';
+
+const TEST_USER_ID_KEY = 'current_user_id';
+const TEST_USER_ID_VAL = 'qwerty1234';
+
+describe('Metadata queries', () => {
+  let db;
+
+  beforeAll(async () => {
+    const SQL = await initSqlJs();
+    db = new SQL.Database();
+  });
+
+  beforeEach(() => {
+    setupSQLiteDB(db);
+    const query = `
+      INSERT INTO metadata (name, data)
+      VALUES ($name, $val)
+    `;
+    const values = {
+      $name: TEST_USER_ID_KEY,
+      $val: TEST_USER_ID_VAL,
+    };
+    db.exec(query, values);
+  });
+
+  afterEach(() => {
+    db.exec(`DELETE FROM metadata`);
+  });
+
+  it('should return the data of an existing name', () => {
+    expect(getMetadata(db, TEST_USER_ID_KEY)).toBe(TEST_USER_ID_VAL);
+  });
+
+  it('should return undefined for a non-existing name', () => {
+    const nonExistingName = 'non_existing_name';
+    expect(getMetadata(db, nonExistingName)).toBeUndefined();
+  });
+
+  it('should set the data of an existing name', () => {
+    const newUserID = 'newID123';
+    setMetadata(db, TEST_USER_ID_KEY, newUserID);
+    expect(getMetadata(db, TEST_USER_ID_KEY)).toBe(newUserID);
+  });
+
+  it('should set the data of a non-existing name', () => {
+    const newEntry = 'testEntry';
+    const newData = 'testData';
+    setMetadata(db, newEntry, newData);
+    expect(getMetadata(db, newEntry)).toBe(newData);
+    expect(getMetadata(db, TEST_USER_ID_KEY)).toBe(TEST_USER_ID_VAL);
+  });
+
+  it('should clear an existing entry', () => {
+    clearMetadata(db, TEST_USER_ID_KEY);
+    expect(getMetadata(db, TEST_USER_ID_KEY)).toBeUndefined();
+  });
+
+  it('should do nothing when clearing a non-existing entry', () => {
+    const nonExistingName = 'non_existing_name';
+    clearMetadata(db, nonExistingName);
+    expect(getMetadata(db, nonExistingName)).toBeUndefined();
+    expect(getMetadata(db, TEST_USER_ID_KEY)).toBe(TEST_USER_ID_VAL);
+  });
+});