test(privatebin): add unit tests for create and retrieve paste functionality

src/pages/tools/string/privatebin/privatebin.service.test.ts

@@ -1,6 +1,80 @@
-import { expect, describe, it } from 'vitest';
-// import { main } from './service';
-//
-// describe('privatebin', () => {
-//
-// })
+import { expect, describe, it, vi, beforeEach } from 'vitest';
+import { createPaste, retrievePaste } from './service';
+import { InitialValuesType } from './types';
+
+globalThis.crypto = require('crypto').webcrypto;
+
+describe('PrivateBin Service', () => {
+  beforeEach(() => {
+    localStorage.clear();
+  });
+
+  const defaultOptions: InitialValuesType = {
+    expiration: '1day',
+    burnAfterReading: false,
+    password: 'testpassword'
+  };
+
+  it('should create and retrieve a paste', async () => {
+    const content = 'Hello, PrivateBin!';
+    const pasteId = await createPaste(content, defaultOptions);
+    expect(typeof pasteId).toBe('string');
+
+    const retrieved = await retrievePaste(pasteId, defaultOptions.password);
+    expect(retrieved).toBe(content);
+  });
+
+  it('should not retrieve with wrong password', async () => {
+    const content = 'Secret Message';
+    const pasteId = await createPaste(content, defaultOptions);
+    await expect(retrievePaste(pasteId, 'wrongpassword')).rejects.toThrow();
+  });
+
+  it('should expire a paste after the set time', async () => {
+    const content = 'Expiring Message';
+    defaultOptions.expiration = '1hour';
+    const options = { ...defaultOptions };
+    const pasteId = await createPaste(content, options);
+    // Simulate expiration by manipulating createdAt
+    const pastes = JSON.parse(
+      localStorage.getItem('privatebin_pastes') || '{}'
+    );
+    pastes[pasteId].createdAt = Date.now() - 2 * 60 * 60 * 1000; // 2 hours ago
+    localStorage.setItem('privatebin_pastes', JSON.stringify(pastes));
+    await expect(retrievePaste(pasteId, options.password)).rejects.toThrow(
+      'Paste has expired'
+    );
+  });
+
+  it('should burn after reading if option is set', async () => {
+    const content = 'Burn after reading';
+    const options = { ...defaultOptions, burnAfterReading: true };
+    const pasteId = await createPaste(content, options);
+    const retrieved = await retrievePaste(pasteId, options.password);
+    expect(retrieved).toBe(content);
+    // Should be deleted after reading
+    await expect(retrievePaste(pasteId, options.password)).rejects.toThrow(
+      'Paste not found'
+    );
+  });
+
+  it('should store and retrieve multiple pastes independently', async () => {
+    const content1 = 'First';
+    const content2 = 'Second';
+    const id1 = await createPaste(content1, defaultOptions);
+    const id2 = await createPaste(content2, {
+      ...defaultOptions,
+      password: 'another'
+    });
+    const r1 = await retrievePaste(id1, defaultOptions.password);
+    const r2 = await retrievePaste(id2, 'another');
+    expect(r1).toBe(content1);
+    expect(r2).toBe(content2);
+  });
+
+  it('should throw if paste not found', async () => {
+    await expect(retrievePaste('nonexistent', 'any')).rejects.toThrow(
+      'Paste not found'
+    );
+  });
+});