diff --git a/web/database/queries/draft-queries.test.js b/web/database/queries/draft-queries.test.js
new file mode 100644
index 000000000..ac8b9e887
--- /dev/null
+++ b/web/database/queries/draft-queries.test.js
@@ -0,0 +1,114 @@
+// @flow
+
+import initSqlJs from 'sql.js';
+
+import { setupSQLiteDB } from './db-queries.js';
+import {
+  getAllDrafts,
+  moveDraft,
+  removeAllDrafts,
+  updateDraft,
+} from './draft-queries.js';
+
+describe('Draft Store queries', () => {
+  let db;
+
+  beforeAll(async () => {
+    const SQL = await initSqlJs();
+    db = new SQL.Database();
+  });
+
+  beforeEach(() => {
+    setupSQLiteDB(db);
+    db.exec(`
+      INSERT INTO drafts VALUES ("thread_a", "draft a");
+      INSERT INTO drafts VALUES ("thread_b", "draft b");
+    `);
+  });
+
+  afterEach(() => {
+    db.exec(`DELETE FROM drafts`);
+  });
+
+  it('should return all drafts', () => {
+    const drafts = getAllDrafts(db);
+    expect(drafts.length).toBe(2);
+  });
+
+  it('should remove all drafts', () => {
+    removeAllDrafts(db);
+    const drafts = getAllDrafts(db);
+    expect(drafts.length).toBe(0);
+  });
+
+  it('should update draft text', () => {
+    const key = 'thread_b';
+    const text = 'updated message';
+    updateDraft(db, key, text);
+
+    const drafts = getAllDrafts(db);
+    expect(drafts.length).toBe(2);
+
+    const draft = drafts.find(d => d.key === key);
+    expect(draft?.text).toBe(text);
+  });
+
+  it('should insert not existing draft', () => {
+    const key = 'new_key';
+    const text = 'some message';
+    updateDraft(db, key, text);
+
+    const drafts = getAllDrafts(db);
+    expect(drafts.length).toBe(3);
+
+    const draft = drafts.find(d => d.key === key);
+    expect(draft?.text).toBe(text);
+  });
+
+  it('should move draft to a new key', () => {
+    const newKey = 'new_key';
+    const oldKey = 'thread_a';
+    const draftText = 'draft a';
+    moveDraft(db, oldKey, newKey);
+
+    const drafts = getAllDrafts(db);
+    expect(drafts.length).toBe(2);
+
+    const oldKeyDraft = drafts.find(d => d.key === oldKey);
+    expect(oldKeyDraft).toBeUndefined();
+
+    const newKeyDraft = drafts.find(d => d.key === newKey);
+    expect(newKeyDraft?.text).toBe(draftText);
+  });
+
+  it('should not change anything if oldKey not exists', () => {
+    const newKey = 'new_key';
+    const oldKey = 'missing_key';
+    moveDraft(db, oldKey, newKey);
+
+    const drafts = getAllDrafts(db);
+    expect(drafts.length).toBe(2);
+
+    const oldKeyDraft = drafts.find(d => d.key === oldKey);
+    expect(oldKeyDraft).toBeUndefined();
+
+    const newKeyDraft = drafts.find(d => d.key === newKey);
+    expect(newKeyDraft).toBeUndefined();
+  });
+
+  it('should move and replace if newKey exists', () => {
+    const newKey = 'thread_b';
+    const oldKey = 'thread_a';
+    const draftText = 'draft a';
+    moveDraft(db, oldKey, newKey);
+
+    const drafts = getAllDrafts(db);
+    expect(drafts.length).toBe(1);
+
+    const oldKeyDraft = drafts.find(d => d.key === oldKey);
+    expect(oldKeyDraft).toBeUndefined();
+
+    const newKeyDraft = drafts.find(d => d.key === newKey);
+    expect(newKeyDraft?.text).toBe(draftText);
+  });
+});