Test output of printPlainSummary() to confirm jest works

src/printers/text.test.ts

@@ -0,0 +1,42 @@
+import { TotalCosts } from '../cost';
+import { hideSpinner } from '../logger';
+import { printPlainSummary } from './text';
+
+describe('printPlainSummary', () => {
+  const mockConsoleClear = jest.spyOn(console, 'clear').mockImplementation();
+  const mockConsoleLog = jest.spyOn(console, 'log').mockImplementation();
+
+  afterEach(() => {
+    jest.clearAllMocks();
+  });
+
+  it('should print the plain summary correctly', () => {
+    const accountAlias = 'testAccount';
+    const costs: TotalCosts = {
+      totals: {
+        lastMonth: 123.456,
+        thisMonth: 678.901,
+        last7Days: 45.678,
+        yesterday: 12.345,
+      },
+      totalsByService: {
+        lastMonth: { service1: 654.321 },
+        thisMonth: { service1: 109.876 },
+        last7Days: { service1: 87.654 },
+        yesterday: { service1: 54.321 },
+      },
+    };
+
+    printPlainSummary(accountAlias, costs);
+
+    expect(mockConsoleClear).toHaveBeenCalled();
+    expect(mockConsoleLog).toHaveBeenNthCalledWith(1, '');
+    expect(mockConsoleLog).toHaveBeenNthCalledWith(2, `Account: ${accountAlias}`);
+    expect(mockConsoleLog).toHaveBeenNthCalledWith(3, '');
+    expect(mockConsoleLog).toHaveBeenNthCalledWith(4, 'Totals:');
+    expect(mockConsoleLog).toHaveBeenNthCalledWith(5, `  Last Month: $${costs.totals.lastMonth.toFixed(2)}`);
+    expect(mockConsoleLog).toHaveBeenNthCalledWith(6, `  This Month: $${costs.totals.thisMonth.toFixed(2)}`);
+    expect(mockConsoleLog).toHaveBeenNthCalledWith(7, `  Last 7 Days: $${costs.totals.last7Days.toFixed(2)}`);
+    expect(mockConsoleLog).toHaveBeenNthCalledWith(8, `  Yesterday: $${costs.totals.yesterday.toFixed(2)}`);
+  });
+});

src/printers/text.ts

@@ -50,3 +50,7 @@ export function printPlainText(accountAlias: string, totals: TotalCosts, isSumma
     console.log(`    ${service}: $${serviceTotals.yesterday[service].toFixed(2)}`);
   });
 }
+
+if (process.env.NODE_ENV === 'test') {
+  module.exports = { printPlainSummary };
+}