Add comprehensive test coverage for blocked workspace reminder days

Co-authored-by: talyguryn <15259299+talyguryn@users.noreply.github.com>

Author: Copilot

workers/paymaster/tests/index.test.ts

@@ -257,6 +257,53 @@ describe('PaymasterWorker', () => {
     MockDate.reset();
   });
 
+  test('Should remind admins for blocked workspace if it has subscription and after payday passed 1 day', async () => {
+    /**
+     * Arrange
+     */
+    const currentDate = new Date('2005-12-23');
+    const plan = createPlanMock({
+      monthlyCharge: 100,
+      isDefault: true,
+    });
+    const workspace = createWorkspaceMock({
+      plan,
+      subscriptionId: 'some-subscription-id',
+      lastChargeDate: new Date('2005-11-22'),
+      isBlocked: true,
+      billingPeriodEventsCount: 10,
+    });
+
+    await fillDatabaseWithMockedData({
+      workspace,
+      plan,
+    });
+
+    MockDate.set(currentDate);
+
+    /**
+     * Act
+     */
+    const worker = new PaymasterWorker();
+    const blockWorkspaceSpy = jest.spyOn(worker, 'addTask');
+
+    await worker.start();
+    await worker.handle(WORKSPACE_SUBSCRIPTION_CHECK);
+    await worker.finish();
+
+    /**
+     * Assert
+     */
+    expect(blockWorkspaceSpy).toHaveBeenCalledWith('sender/email', {
+      type: 'blocked-workspace-reminder',
+      payload: {
+        workspaceId: workspace._id.toString(),
+        daysAfterPayday: 1,
+      },
+    });
+    MockDate.reset();
+  });
+
   test('Should remind admins for blocked workspace if it has subscription and after payday passed 5 days', async () => {
     /**
      * Arrange
@@ -304,6 +351,100 @@ describe('PaymasterWorker', () => {
     MockDate.reset();
   });
 
+  test('Should remind admins for blocked workspace if it has subscription and after payday passed 30 days', async () => {
+    /**
+     * Arrange
+     */
+    const currentDate = new Date('2006-01-21');
+    const plan = createPlanMock({
+      monthlyCharge: 100,
+      isDefault: true,
+    });
+    const workspace = createWorkspaceMock({
+      plan,
+      subscriptionId: 'some-subscription-id',
+      lastChargeDate: new Date('2005-11-22'),
+      isBlocked: true,
+      billingPeriodEventsCount: 10,
+    });
+
+    await fillDatabaseWithMockedData({
+      workspace,
+      plan,
+    });
+
+    MockDate.set(currentDate);
+
+    /**
+     * Act
+     */
+    const worker = new PaymasterWorker();
+    const blockWorkspaceSpy = jest.spyOn(worker, 'addTask');
+
+    await worker.start();
+    await worker.handle(WORKSPACE_SUBSCRIPTION_CHECK);
+    await worker.finish();
+
+    /**
+     * Assert
+     */
+    expect(blockWorkspaceSpy).toHaveBeenCalledWith('sender/email', {
+      type: 'blocked-workspace-reminder',
+      payload: {
+        workspaceId: workspace._id.toString(),
+        daysAfterPayday: 30,
+      },
+    });
+    MockDate.reset();
+  });
+
+  test('Should not remind admins for blocked workspace on days not in reminder schedule (day 4)', async () => {
+    /**
+     * Arrange
+     */
+    const currentDate = new Date('2005-12-26');
+    const plan = createPlanMock({
+      monthlyCharge: 100,
+      isDefault: true,
+    });
+    const workspace = createWorkspaceMock({
+      plan,
+      subscriptionId: 'some-subscription-id',
+      lastChargeDate: new Date('2005-11-22'),
+      isBlocked: true,
+      billingPeriodEventsCount: 10,
+    });
+
+    await fillDatabaseWithMockedData({
+      workspace,
+      plan,
+    });
+
+    MockDate.set(currentDate);
+
+    /**
+     * Act
+     */
+    const worker = new PaymasterWorker();
+    const blockWorkspaceSpy = jest.spyOn(worker, 'addTask');
+
+    await worker.start();
+    await worker.handle(WORKSPACE_SUBSCRIPTION_CHECK);
+    await worker.finish();
+
+    /**
+     * Assert
+     */
+    expect(blockWorkspaceSpy).not.toHaveBeenCalledWith('sender/email', {
+      type: 'blocked-workspace-reminder',
+      payload: {
+        workspaceId: workspace._id.toString(),
+        daysAfterPayday: 4,
+      },
+    });
+    MockDate.reset();
+  });
+
   test('Should update lastChargeDate and billingPeriodEventsCount if workspace has free tariff plan and it\'s time to pay', async () => {
     /**
      * Arrange