Merge branch 'dev' into preprod

apps/backend/src/infrastructure/persistence/typeorm/mappers/subscription-orm.mapper.ts

@@ -5,7 +5,20 @@
  */
 
 import { Subscription } from '@domain/entities/subscription.entity';
-import { SubscriptionOrmEntity } from '../entities/subscription.orm-entity';
+import { SubscriptionOrmEntity, SubscriptionPlanOrmType } from '../entities/subscription.orm-entity';
+
+/** Maps canonical domain plan names back to the values stored in the DB. */
+const DOMAIN_TO_ORM_PLAN: Record<string, SubscriptionPlanOrmType> = {
+  FREE: 'BRONZE',
+  STARTER: 'SILVER',
+  PRO: 'GOLD',
+  ENTERPRISE: 'PLATINIUM',
+  // Pass-through for any value already in ORM format
+  BRONZE: 'BRONZE',
+  SILVER: 'SILVER',
+  GOLD: 'GOLD',
+  PLATINIUM: 'PLATINIUM',
+};
 
 export class SubscriptionOrmMapper {
   /**
@@ -17,7 +30,7 @@ export class SubscriptionOrmMapper {
 
     orm.id = props.id;
     orm.organizationId = props.organizationId;
-    orm.plan = props.plan;
+    orm.plan = DOMAIN_TO_ORM_PLAN[props.plan] ?? 'BRONZE';
     orm.status = props.status;
     orm.stripeCustomerId = props.stripeCustomerId;
     orm.stripeSubscriptionId = props.stripeSubscriptionId;

apps/frontend/e2e/booking-workflow.spec.ts

@@ -77,7 +77,7 @@ test.describe('Complete Booking Workflow', () => {
     // Step 4: Select a Rate and Create Booking
     await test.step('Select Rate and Create Booking', async () => {
       // Select first available rate
-      await page.locator('.rate-card').first().click('button:has-text("Book")');
+      await page.locator('.rate-card').first().locator('button:has-text("Book")').click();
 
       // Should navigate to booking form
       await expect(page).toHaveURL(/.*bookings\/create/);

apps/frontend/jest.config.js

@@ -0,0 +1,24 @@
+const nextJest = require('next/jest');
+
+const createJestConfig = nextJest({ dir: './' });
+
+/** @type {import('jest').Config} */
+const customConfig = {
+  testEnvironment: 'jest-environment-jsdom',
+  setupFilesAfterEnv: ['<rootDir>/jest.setup.ts'],
+  testMatch: [
+    '<rootDir>/src/**/*.{spec,test}.{ts,tsx}',
+    '<rootDir>/src/**/__tests__/**/*.{spec,test}.{ts,tsx}',
+  ],
+  testPathIgnorePatterns: [
+    '<rootDir>/node_modules/',
+    '<rootDir>/.next/',
+    '<rootDir>/e2e/',
+  ],
+  moduleNameMapper: {
+    '^@/app/(.*)$': '<rootDir>/app/$1',
+    '^@/(.*)$': '<rootDir>/src/$1',
+  },
+};
+
+module.exports = createJestConfig(customConfig);

apps/frontend/jest.setup.ts

@@ -0,0 +1 @@
+import '@testing-library/jest-dom';

apps/frontend/package-lock.json

@@ -44,6 +44,7 @@
         "@testing-library/jest-dom": "^6.1.5",
         "@testing-library/react": "^14.1.2",
         "@types/file-saver": "^2.0.7",
+        "@types/jest": "^29.5.12",
         "@types/node": "^20.10.5",
         "@types/react": "^18.2.45",
         "@types/react-dom": "^18.2.18",
@@ -2767,6 +2768,52 @@
         "@types/istanbul-lib-report": "*"
       }
     },
+    "node_modules/@types/jest": {
+      "version": "29.5.14",
+      "resolved": "https://registry.npmjs.org/@types/jest/-/jest-29.5.14.tgz",
+      "integrity": "sha512-ZN+4sdnLUbo8EVvVc2ao0GFW6oVrQRPn4K2lglySj7APvSrgzxHiNNK99us4WDMi57xxA2yggblIAMNhXOotLQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "expect": "^29.0.0",
+        "pretty-format": "^29.0.0"
+      }
+    },
+    "node_modules/@types/jest/node_modules/ansi-styles": {
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-5.2.0.tgz",
+      "integrity": "sha512-Cxwpt2SfTzTtXcfOlzGEee8O+c+MmUgGrNiBcXnuWxuFJHe6a5Hz7qwhwe5OgaSYI0IJvkLqWX1ASG+cJOkEiA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/ansi-styles?sponsor=1"
+      }
+    },
+    "node_modules/@types/jest/node_modules/pretty-format": {
+      "version": "29.7.0",
+      "resolved": "https://registry.npmjs.org/pretty-format/-/pretty-format-29.7.0.tgz",
+      "integrity": "sha512-Pdlw/oPxN+aXdmM9R00JVC9WVFoCLTKJvDVLgmJ+qAffBMxsV85l/Lu7sNx4zSzPyoL2euImuEwHhOXdEgNFZQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@jest/schemas": "^29.6.3",
+        "ansi-styles": "^5.0.0",
+        "react-is": "^18.0.0"
+      },
+      "engines": {
+        "node": "^14.15.0 || ^16.10.0 || >=18.0.0"
+      }
+    },
+    "node_modules/@types/jest/node_modules/react-is": {
+      "version": "18.3.1",
+      "resolved": "https://registry.npmjs.org/react-is/-/react-is-18.3.1.tgz",
+      "integrity": "sha512-/LLMVyas0ljjAtoYiPqYiL8VWXzUUdThrmU5+n20DZv+a+ClRoevUzw5JxU+Ieh5/c87ytoTBV9G1FiKfNJdmg==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@types/jsdom": {
       "version": "20.0.1",
       "resolved": "https://registry.npmjs.org/@types/jsdom/-/jsdom-20.0.1.tgz",

apps/frontend/package.json

@@ -8,7 +8,7 @@
     "build": "next build",
     "start": "next start",
     "lint": "next lint",
-    "type-check": "tsc --noEmit",
+    "type-check": "tsc --noEmit && tsc --noEmit -p tsconfig.test.json",
     "test": "jest",
     "test:watch": "jest --watch",
     "test:e2e": "playwright test"
@@ -49,6 +49,7 @@
     "@playwright/test": "^1.56.0",
     "@testing-library/jest-dom": "^6.1.5",
     "@testing-library/react": "^14.1.2",
+    "@types/jest": "^29.5.12",
     "@types/file-saver": "^2.0.7",
     "@types/node": "^20.10.5",
     "@types/react": "^18.2.45",

apps/frontend/src/__tests__/hooks/useCompanies.test.tsx

@@ -0,0 +1,143 @@
+import { renderHook, act, waitFor } from '@testing-library/react';
+import { useCompanies } from '@/hooks/useCompanies';
+import { getAvailableCompanies } from '@/lib/api/csv-rates';
+
+jest.mock('@/lib/api/csv-rates', () => ({
+  getAvailableCompanies: jest.fn(),
+}));
+
+const mockGetAvailableCompanies = jest.mocked(getAvailableCompanies);
+
+const MOCK_COMPANIES = ['Maersk', 'MSC', 'CMA CGM', 'Hapag-Lloyd'];
+
+beforeEach(() => {
+  jest.clearAllMocks();
+});
+
+describe('useCompanies', () => {
+  describe('initial state', () => {
+    it('starts with loading=true', () => {
+      mockGetAvailableCompanies.mockResolvedValue({ companies: MOCK_COMPANIES, total: 4 });
+      const { result } = renderHook(() => useCompanies());
+      expect(result.current.loading).toBe(true);
+    });
+
+    it('starts with an empty companies array', () => {
+      mockGetAvailableCompanies.mockResolvedValue({ companies: MOCK_COMPANIES, total: 4 });
+      const { result } = renderHook(() => useCompanies());
+      expect(result.current.companies).toEqual([]);
+    });
+
+    it('starts with error=null', () => {
+      mockGetAvailableCompanies.mockResolvedValue({ companies: MOCK_COMPANIES, total: 4 });
+      const { result } = renderHook(() => useCompanies());
+      expect(result.current.error).toBeNull();
+    });
+  });
+
+  describe('on mount — success', () => {
+    it('fetches companies automatically on mount', async () => {
+      mockGetAvailableCompanies.mockResolvedValue({ companies: MOCK_COMPANIES, total: 4 });
+
+      renderHook(() => useCompanies());
+
+      await waitFor(() => {
+        expect(mockGetAvailableCompanies).toHaveBeenCalledTimes(1);
+      });
+    });
+
+    it('populates companies after a successful fetch', async () => {
+      mockGetAvailableCompanies.mockResolvedValue({ companies: MOCK_COMPANIES, total: 4 });
+
+      const { result } = renderHook(() => useCompanies());
+
+      await waitFor(() => {
+        expect(result.current.loading).toBe(false);
+      });
+
+      expect(result.current.companies).toEqual(MOCK_COMPANIES);
+      expect(result.current.error).toBeNull();
+    });
+
+    it('handles an empty companies list', async () => {
+      mockGetAvailableCompanies.mockResolvedValue({ companies: [], total: 0 });
+
+      const { result } = renderHook(() => useCompanies());
+
+      await waitFor(() => {
+        expect(result.current.loading).toBe(false);
+      });
+
+      expect(result.current.companies).toEqual([]);
+    });
+  });
+
+  describe('on mount — error', () => {
+    it('sets error when the API call fails', async () => {
+      mockGetAvailableCompanies.mockRejectedValue(new Error('Service unavailable'));
+
+      const { result } = renderHook(() => useCompanies());
+
+      await waitFor(() => {
+        expect(result.current.loading).toBe(false);
+      });
+
+      expect(result.current.error).toBe('Service unavailable');
+      expect(result.current.companies).toEqual([]);
+    });
+
+    it('uses a default error message when the error has no message', async () => {
+      mockGetAvailableCompanies.mockRejectedValue({});
+
+      const { result } = renderHook(() => useCompanies());
+
+      await waitFor(() => {
+        expect(result.current.loading).toBe(false);
+      });
+
+      expect(result.current.error).toBe('Failed to fetch companies');
+    });
+  });
+
+  describe('refetch', () => {
+    it('exposes a refetch function', async () => {
+      mockGetAvailableCompanies.mockResolvedValue({ companies: MOCK_COMPANIES, total: 4 });
+
+      const { result } = renderHook(() => useCompanies());
+
+      await waitFor(() => expect(result.current.loading).toBe(false));
+
+      expect(typeof result.current.refetch).toBe('function');
+    });
+
+    it('re-triggers the API call when refetch is invoked', async () => {
+      mockGetAvailableCompanies.mockResolvedValue({ companies: MOCK_COMPANIES, total: 4 });
+
+      const { result } = renderHook(() => useCompanies());
+
+      await waitFor(() => expect(result.current.loading).toBe(false));
+
+      await act(async () => {
+        await result.current.refetch();
+      });
+
+      expect(mockGetAvailableCompanies).toHaveBeenCalledTimes(2);
+    });
+
+    it('updates companies with fresh data on refetch', async () => {
+      mockGetAvailableCompanies
+        .mockResolvedValueOnce({ companies: ['Maersk'], total: 1 })
+        .mockResolvedValueOnce({ companies: ['Maersk', 'MSC'], total: 2 });
+
+      const { result } = renderHook(() => useCompanies());
+
+      await waitFor(() => expect(result.current.companies).toEqual(['Maersk']));
+
+      await act(async () => {
+        await result.current.refetch();
+      });
+
+      expect(result.current.companies).toEqual(['Maersk', 'MSC']);
+    });
+  });
+});

apps/frontend/src/__tests__/hooks/useCsvRateSearch.test.tsx

@@ -0,0 +1,198 @@
+import { renderHook, act, waitFor } from '@testing-library/react';
+import { useCsvRateSearch } from '@/hooks/useCsvRateSearch';
+import { searchCsvRates } from '@/lib/api/csv-rates';
+import type { CsvRateSearchRequest, CsvRateSearchResponse } from '@/types/rate-filters';
+
+jest.mock('@/lib/api/csv-rates', () => ({
+  searchCsvRates: jest.fn(),
+}));
+
+const mockSearchCsvRates = jest.mocked(searchCsvRates);
+
+const mockRequest: CsvRateSearchRequest = {
+  origin: 'Le Havre',
+  destination: 'Shanghai',
+  volumeCBM: 10,
+  weightKG: 5000,
+};
+
+const mockResponse: CsvRateSearchResponse = {
+  results: [
+    {
+      companyName: 'Maersk',
+      origin: 'Le Havre',
+      destination: 'Shanghai',
+      containerType: '40ft',
+      priceUSD: 2500,
+      priceEUR: 2300,
+      primaryCurrency: 'USD',
+      hasSurcharges: false,
+      surchargeDetails: null,
+      transitDays: 30,
+      validUntil: '2024-12-31',
+      source: 'CSV',
+      matchScore: 95,
+    },
+  ],
+  totalResults: 1,
+  searchedFiles: ['maersk-rates.csv'],
+  searchedAt: '2024-03-01T10:00:00Z',
+  appliedFilters: {},
+};
+
+beforeEach(() => {
+  jest.clearAllMocks();
+});
+
+describe('useCsvRateSearch', () => {
+  describe('initial state', () => {
+    it('starts with data=null', () => {
+      const { result } = renderHook(() => useCsvRateSearch());
+      expect(result.current.data).toBeNull();
+    });
+
+    it('starts with loading=false', () => {
+      const { result } = renderHook(() => useCsvRateSearch());
+      expect(result.current.loading).toBe(false);
+    });
+
+    it('starts with error=null', () => {
+      const { result } = renderHook(() => useCsvRateSearch());
+      expect(result.current.error).toBeNull();
+    });
+
+    it('exposes a search function', () => {
+      const { result } = renderHook(() => useCsvRateSearch());
+      expect(typeof result.current.search).toBe('function');
+    });
+
+    it('exposes a reset function', () => {
+      const { result } = renderHook(() => useCsvRateSearch());
+      expect(typeof result.current.reset).toBe('function');
+    });
+  });
+
+  describe('search — success path', () => {
+    it('sets loading=true while the request is in flight', async () => {
+      let resolveSearch: (v: CsvRateSearchResponse) => void;
+      mockSearchCsvRates.mockReturnValue(
+        new Promise(resolve => {
+          resolveSearch = resolve;
+        })
+      );
+
+      const { result } = renderHook(() => useCsvRateSearch());
+
+      act(() => {
+        result.current.search(mockRequest);
+      });
+
+      expect(result.current.loading).toBe(true);
+
+      await act(async () => {
+        resolveSearch!(mockResponse);
+      });
+    });
+
+    it('sets data and clears loading after a successful search', async () => {
+      mockSearchCsvRates.mockResolvedValue(mockResponse);
+
+      const { result } = renderHook(() => useCsvRateSearch());
+
+      await act(async () => {
+        await result.current.search(mockRequest);
+      });
+
+      expect(result.current.loading).toBe(false);
+      expect(result.current.data).toEqual(mockResponse);
+      expect(result.current.error).toBeNull();
+    });
+
+    it('calls searchCsvRates with the given request', async () => {
+      mockSearchCsvRates.mockResolvedValue(mockResponse);
+
+      const { result } = renderHook(() => useCsvRateSearch());
+
+      await act(async () => {
+        await result.current.search(mockRequest);
+      });
+
+      expect(mockSearchCsvRates).toHaveBeenCalledWith(mockRequest);
+    });
+
+    it('clears a previous error when a new search starts', async () => {
+      mockSearchCsvRates.mockRejectedValueOnce(new Error('first error'));
+      mockSearchCsvRates.mockResolvedValueOnce(mockResponse);
+
+      const { result } = renderHook(() => useCsvRateSearch());
+
+      // First search fails
+      await act(async () => {
+        await result.current.search(mockRequest);
+      });
+      expect(result.current.error).toBe('first error');
+
+      // Second search succeeds — error must be cleared
+      await act(async () => {
+        await result.current.search(mockRequest);
+      });
+      expect(result.current.error).toBeNull();
+    });
+  });
+
+  describe('search — error path', () => {
+    it('sets error and clears data when the API throws', async () => {
+      mockSearchCsvRates.mockRejectedValue(new Error('Network error'));
+
+      const { result } = renderHook(() => useCsvRateSearch());
+
+      await act(async () => {
+        await result.current.search(mockRequest);
+      });
+
+      expect(result.current.error).toBe('Network error');
+      expect(result.current.data).toBeNull();
+      expect(result.current.loading).toBe(false);
+    });
+
+    it('uses a default error message when the error has no message', async () => {
+      mockSearchCsvRates.mockRejectedValue({});
+
+      const { result } = renderHook(() => useCsvRateSearch());
+
+      await act(async () => {
+        await result.current.search(mockRequest);
+      });
+
+      expect(result.current.error).toBe('Failed to search rates');
+    });
+  });
+
+  describe('reset', () => {
+    it('clears data, error, and loading', async () => {
+      mockSearchCsvRates.mockResolvedValue(mockResponse);
+
+      const { result } = renderHook(() => useCsvRateSearch());
+
+      await act(async () => {
+        await result.current.search(mockRequest);
+      });
+
+      act(() => {
+        result.current.reset();
+      });
+
+      expect(result.current.data).toBeNull();
+      expect(result.current.error).toBeNull();
+      expect(result.current.loading).toBe(false);
+    });
+
+    it('can be called before any search without throwing', () => {
+      const { result } = renderHook(() => useCsvRateSearch());
+
+      expect(() => {
+        act(() => result.current.reset());
+      }).not.toThrow();
+    });
+  });
+});

apps/frontend/src/__tests__/hooks/useFilterOptions.test.tsx

@@ -0,0 +1,186 @@
+import { renderHook, act, waitFor } from '@testing-library/react';
+import { useFilterOptions } from '@/hooks/useFilterOptions';
+import { getFilterOptions } from '@/lib/api/csv-rates';
+import type { FilterOptions } from '@/types/rate-filters';
+
+jest.mock('@/lib/api/csv-rates', () => ({
+  getFilterOptions: jest.fn(),
+}));
+
+const mockGetFilterOptions = jest.mocked(getFilterOptions);
+
+const MOCK_OPTIONS: FilterOptions = {
+  companies: ['Maersk', 'MSC', 'CMA CGM'],
+  containerTypes: ['20ft', '40ft', '40ft HC'],
+  currencies: ['USD', 'EUR'],
+};
+
+beforeEach(() => {
+  jest.clearAllMocks();
+});
+
+describe('useFilterOptions', () => {
+  describe('initial state', () => {
+    it('starts with loading=true', () => {
+      mockGetFilterOptions.mockResolvedValue(MOCK_OPTIONS);
+      const { result } = renderHook(() => useFilterOptions());
+      expect(result.current.loading).toBe(true);
+    });
+
+    it('starts with empty companies array', () => {
+      mockGetFilterOptions.mockResolvedValue(MOCK_OPTIONS);
+      const { result } = renderHook(() => useFilterOptions());
+      expect(result.current.companies).toEqual([]);
+    });
+
+    it('starts with empty containerTypes array', () => {
+      mockGetFilterOptions.mockResolvedValue(MOCK_OPTIONS);
+      const { result } = renderHook(() => useFilterOptions());
+      expect(result.current.containerTypes).toEqual([]);
+    });
+
+    it('starts with empty currencies array', () => {
+      mockGetFilterOptions.mockResolvedValue(MOCK_OPTIONS);
+      const { result } = renderHook(() => useFilterOptions());
+      expect(result.current.currencies).toEqual([]);
+    });
+
+    it('starts with error=null', () => {
+      mockGetFilterOptions.mockResolvedValue(MOCK_OPTIONS);
+      const { result } = renderHook(() => useFilterOptions());
+      expect(result.current.error).toBeNull();
+    });
+  });
+
+  describe('on mount — success', () => {
+    it('fetches options automatically on mount', async () => {
+      mockGetFilterOptions.mockResolvedValue(MOCK_OPTIONS);
+
+      renderHook(() => useFilterOptions());
+
+      await waitFor(() => {
+        expect(mockGetFilterOptions).toHaveBeenCalledTimes(1);
+      });
+    });
+
+    it('populates all option arrays after a successful fetch', async () => {
+      mockGetFilterOptions.mockResolvedValue(MOCK_OPTIONS);
+
+      const { result } = renderHook(() => useFilterOptions());
+
+      await waitFor(() => expect(result.current.loading).toBe(false));
+
+      expect(result.current.companies).toEqual(MOCK_OPTIONS.companies);
+      expect(result.current.containerTypes).toEqual(MOCK_OPTIONS.containerTypes);
+      expect(result.current.currencies).toEqual(MOCK_OPTIONS.currencies);
+    });
+
+    it('sets loading=false after a successful fetch', async () => {
+      mockGetFilterOptions.mockResolvedValue(MOCK_OPTIONS);
+
+      const { result } = renderHook(() => useFilterOptions());
+
+      await waitFor(() => expect(result.current.loading).toBe(false));
+
+      expect(result.current.error).toBeNull();
+    });
+
+    it('handles an API response with empty arrays', async () => {
+      mockGetFilterOptions.mockResolvedValue({
+        companies: [],
+        containerTypes: [],
+        currencies: [],
+      });
+
+      const { result } = renderHook(() => useFilterOptions());
+
+      await waitFor(() => expect(result.current.loading).toBe(false));
+
+      expect(result.current.companies).toEqual([]);
+      expect(result.current.containerTypes).toEqual([]);
+      expect(result.current.currencies).toEqual([]);
+    });
+  });
+
+  describe('on mount — error', () => {
+    it('sets error when the API call fails', async () => {
+      mockGetFilterOptions.mockRejectedValue(new Error('Gateway timeout'));
+
+      const { result } = renderHook(() => useFilterOptions());
+
+      await waitFor(() => expect(result.current.loading).toBe(false));
+
+      expect(result.current.error).toBe('Gateway timeout');
+    });
+
+    it('uses a fallback message when the error has no message', async () => {
+      mockGetFilterOptions.mockRejectedValue({});
+
+      const { result } = renderHook(() => useFilterOptions());
+
+      await waitFor(() => expect(result.current.loading).toBe(false));
+
+      expect(result.current.error).toBe('Failed to fetch filter options');
+    });
+
+    it('preserves the empty option arrays on error', async () => {
+      mockGetFilterOptions.mockRejectedValue(new Error('error'));
+
+      const { result } = renderHook(() => useFilterOptions());
+
+      await waitFor(() => expect(result.current.loading).toBe(false));
+
+      expect(result.current.companies).toEqual([]);
+      expect(result.current.containerTypes).toEqual([]);
+      expect(result.current.currencies).toEqual([]);
+    });
+  });
+
+  describe('refetch', () => {
+    it('exposes a refetch function', async () => {
+      mockGetFilterOptions.mockResolvedValue(MOCK_OPTIONS);
+
+      const { result } = renderHook(() => useFilterOptions());
+
+      await waitFor(() => expect(result.current.loading).toBe(false));
+
+      expect(typeof result.current.refetch).toBe('function');
+    });
+
+    it('re-triggers the fetch when refetch is invoked', async () => {
+      mockGetFilterOptions.mockResolvedValue(MOCK_OPTIONS);
+
+      const { result } = renderHook(() => useFilterOptions());
+
+      await waitFor(() => expect(result.current.loading).toBe(false));
+
+      await act(async () => {
+        await result.current.refetch();
+      });
+
+      expect(mockGetFilterOptions).toHaveBeenCalledTimes(2);
+    });
+
+    it('updates options with fresh data on refetch', async () => {
+      const updatedOptions: FilterOptions = {
+        companies: ['Maersk', 'MSC', 'ONE'],
+        containerTypes: ['20ft', '40ft'],
+        currencies: ['USD'],
+      };
+
+      mockGetFilterOptions
+        .mockResolvedValueOnce(MOCK_OPTIONS)
+        .mockResolvedValueOnce(updatedOptions);
+
+      const { result } = renderHook(() => useFilterOptions());
+
+      await waitFor(() => expect(result.current.companies).toEqual(MOCK_OPTIONS.companies));
+
+      await act(async () => {
+        await result.current.refetch();
+      });
+
+      expect(result.current.companies).toEqual(updatedOptions.companies);
+    });
+  });
+});

apps/frontend/src/__tests__/lib/assets.test.ts

@@ -0,0 +1,86 @@
+import {
+  AssetPaths,
+  getImagePath,
+  getLogoPath,
+  getIconPath,
+  Images,
+  Logos,
+  Icons,
+} from '@/lib/assets';
+
+describe('AssetPaths constants', () => {
+  it('has the correct images base path', () => {
+    expect(AssetPaths.images).toBe('/assets/images');
+  });
+
+  it('has the correct logos base path', () => {
+    expect(AssetPaths.logos).toBe('/assets/logos');
+  });
+
+  it('has the correct icons base path', () => {
+    expect(AssetPaths.icons).toBe('/assets/icons');
+  });
+});
+
+describe('getImagePath', () => {
+  it('returns the correct full path for a given filename', () => {
+    expect(getImagePath('hero-banner.jpg')).toBe('/assets/images/hero-banner.jpg');
+  });
+
+  it('handles filenames without extension', () => {
+    expect(getImagePath('background')).toBe('/assets/images/background');
+  });
+
+  it('handles filenames with multiple dots', () => {
+    expect(getImagePath('my.image.v2.png')).toBe('/assets/images/my.image.v2.png');
+  });
+
+  it('starts with a slash', () => {
+    expect(getImagePath('test.jpg')).toMatch(/^\//);
+  });
+});
+
+describe('getLogoPath', () => {
+  it('returns the correct full path for a logo', () => {
+    expect(getLogoPath('xpeditis-logo.svg')).toBe('/assets/logos/xpeditis-logo.svg');
+  });
+
+  it('handles a dark variant logo', () => {
+    expect(getLogoPath('xpeditis-logo-dark.svg')).toBe('/assets/logos/xpeditis-logo-dark.svg');
+  });
+
+  it('starts with a slash', () => {
+    expect(getLogoPath('icon.svg')).toMatch(/^\//);
+  });
+});
+
+describe('getIconPath', () => {
+  it('returns the correct full path for an icon', () => {
+    expect(getIconPath('shipping-icon.svg')).toBe('/assets/icons/shipping-icon.svg');
+  });
+
+  it('handles a PNG icon', () => {
+    expect(getIconPath('notification.png')).toBe('/assets/icons/notification.png');
+  });
+
+  it('starts with a slash', () => {
+    expect(getIconPath('arrow.svg')).toMatch(/^\//);
+  });
+});
+
+describe('pre-defined asset collections', () => {
+  it('Images is a defined object', () => {
+    expect(Images).toBeDefined();
+    expect(typeof Images).toBe('object');
+  });
+
+  it('Logos is a defined object', () => {
+    expect(Logos).toBeDefined();
+    expect(typeof Logos).toBe('object');
+  });
+
+  it('Icons is a defined object', () => {
+    expect(Icons).toBeDefined();
+    expect(typeof Icons).toBe('object');
+  });
+});

apps/frontend/src/__tests__/lib/utils.test.ts

@@ -0,0 +1,78 @@
+import { cn } from '@/lib/utils';
+
+describe('cn — class name merger', () => {
+  describe('basic merging', () => {
+    it('returns an empty string when called with no arguments', () => {
+      expect(cn()).toBe('');
+    });
+
+    it('returns the class when given a single string', () => {
+      expect(cn('foo')).toBe('foo');
+    });
+
+    it('joins multiple class strings with a space', () => {
+      expect(cn('foo', 'bar', 'baz')).toBe('foo bar baz');
+    });
+
+    it('ignores falsy values', () => {
+      expect(cn('foo', undefined, null, false, 'bar')).toBe('foo bar');
+    });
+
+    it('handles an empty string argument', () => {
+      expect(cn('', 'foo')).toBe('foo');
+    });
+  });
+
+  describe('conditional classes', () => {
+    it('includes a class when its condition is true', () => {
+      expect(cn('base', true && 'active')).toBe('base active');
+    });
+
+    it('excludes a class when its condition is false', () => {
+      expect(cn('base', false && 'active')).toBe('base');
+    });
+
+    it('supports object syntax — includes keys whose value is truthy', () => {
+      expect(cn({ foo: true, bar: false, baz: true })).toBe('foo baz');
+    });
+
+    it('supports array syntax', () => {
+      expect(cn(['foo', 'bar'])).toBe('foo bar');
+    });
+
+    it('supports mixed input types', () => {
+      expect(cn('base', { active: true, disabled: false }, ['extra'])).toBe('base active extra');
+    });
+  });
+
+  describe('Tailwind conflict resolution', () => {
+    it('resolves padding conflicts — last padding wins', () => {
+      expect(cn('p-4', 'p-8')).toBe('p-8');
+    });
+
+    it('resolves text-size conflicts — last size wins', () => {
+      expect(cn('text-sm', 'text-lg')).toBe('text-lg');
+    });
+
+    it('resolves background-color conflicts', () => {
+      expect(cn('bg-red-500', 'bg-blue-500')).toBe('bg-blue-500');
+    });
+
+    it('keeps non-conflicting utility classes', () => {
+      const result = cn('p-4', 'text-sm', 'font-bold');
+      expect(result).toContain('p-4');
+      expect(result).toContain('text-sm');
+      expect(result).toContain('font-bold');
+    });
+
+    it('resolves margin conflicts', () => {
+      expect(cn('mt-2', 'mt-4')).toBe('mt-4');
+    });
+
+    it('does not remove classes that do not conflict', () => {
+      expect(cn('flex', 'items-center', 'justify-between')).toBe(
+        'flex items-center justify-between'
+      );
+    });
+  });
+});

apps/frontend/src/__tests__/setup.ts

@@ -0,0 +1,3 @@
+// This file is intentionally empty — the real setup is in jest.setup.ts at the root.
+// It exists only to avoid breaking imports. Jest will skip it (no tests inside).
+export {};

apps/frontend/src/__tests__/types/booking.test.ts

@@ -0,0 +1,94 @@
+import {
+  BookingStatus,
+  ContainerType,
+  ExportFormat,
+} from '@/types/booking';
+
+describe('BookingStatus enum', () => {
+  it('has DRAFT value', () => {
+    expect(BookingStatus.DRAFT).toBe('draft');
+  });
+
+  it('has CONFIRMED value', () => {
+    expect(BookingStatus.CONFIRMED).toBe('confirmed');
+  });
+
+  it('has IN_PROGRESS value', () => {
+    expect(BookingStatus.IN_PROGRESS).toBe('in_progress');
+  });
+
+  it('has COMPLETED value', () => {
+    expect(BookingStatus.COMPLETED).toBe('completed');
+  });
+
+  it('has CANCELLED value', () => {
+    expect(BookingStatus.CANCELLED).toBe('cancelled');
+  });
+
+  it('has exactly 5 statuses', () => {
+    const values = Object.values(BookingStatus);
+    expect(values).toHaveLength(5);
+  });
+
+  it('all values are lowercase strings', () => {
+    Object.values(BookingStatus).forEach(v => {
+      expect(v).toBe(v.toLowerCase());
+    });
+  });
+});
+
+describe('ContainerType enum', () => {
+  it('has DRY_20 value', () => {
+    expect(ContainerType.DRY_20).toBe('20ft');
+  });
+
+  it('has DRY_40 value', () => {
+    expect(ContainerType.DRY_40).toBe('40ft');
+  });
+
+  it('has HIGH_CUBE_40 value', () => {
+    expect(ContainerType.HIGH_CUBE_40).toBe('40ft HC');
+  });
+
+  it('has REEFER_20 value', () => {
+    expect(ContainerType.REEFER_20).toBe('20ft Reefer');
+  });
+
+  it('has REEFER_40 value', () => {
+    expect(ContainerType.REEFER_40).toBe('40ft Reefer');
+  });
+
+  it('has exactly 5 container types', () => {
+    expect(Object.values(ContainerType)).toHaveLength(5);
+  });
+
+  it('all standard (non-reefer) values start with a size prefix', () => {
+    expect(ContainerType.DRY_20).toMatch(/^\d+ft/);
+    expect(ContainerType.DRY_40).toMatch(/^\d+ft/);
+    expect(ContainerType.HIGH_CUBE_40).toMatch(/^\d+ft/);
+  });
+});
+
+describe('ExportFormat enum', () => {
+  it('has CSV value', () => {
+    expect(ExportFormat.CSV).toBe('csv');
+  });
+
+  it('has EXCEL value', () => {
+    expect(ExportFormat.EXCEL).toBe('excel');
+  });
+
+  it('has JSON value', () => {
+    expect(ExportFormat.JSON).toBe('json');
+  });
+
+  it('has exactly 3 formats', () => {
+    expect(Object.values(ExportFormat)).toHaveLength(3);
+  });
+
+  it('all values are lowercase', () => {
+    Object.values(ExportFormat).forEach(v => {
+      expect(v).toBe(v.toLowerCase());
+    });
+  });
+});

apps/frontend/src/__tests__/utils/export.test.ts

@@ -0,0 +1,345 @@
+import { exportToCSV, exportToExcel, exportToJSON, exportBookings, ExportField } from '@/utils/export';
+import { Booking, BookingStatus, ContainerType } from '@/types/booking';
+
+// ── Mocks ─────────────────────────────────────────────────────────────────────
+
+const mockSaveAs = jest.fn();
+jest.mock('file-saver', () => ({
+  saveAs: (...args: unknown[]) => mockSaveAs(...args),
+}));
+
+const mockAoaToSheet = jest.fn().mockReturnValue({ '!ref': 'A1:K2' });
+const mockBookNew = jest.fn().mockReturnValue({});
+const mockBookAppendSheet = jest.fn();
+const mockWrite = jest.fn().mockReturnValue(new ArrayBuffer(8));
+
+jest.mock('xlsx', () => ({
+  utils: {
+    aoa_to_sheet: (...args: unknown[]) => mockAoaToSheet(...args),
+    book_new: () => mockBookNew(),
+    book_append_sheet: (...args: unknown[]) => mockBookAppendSheet(...args),
+  },
+  write: (...args: unknown[]) => mockWrite(...args),
+}));
+
+// ── Blob capture helper ────────────────────────────────────────────────────────
+// blob.text() is not available in all jsdom versions; instead we intercept the
+// Blob constructor to capture the raw string before it's wrapped.
+
+const OriginalBlob = global.Blob;
+let capturedBlobParts: string[] = [];
+
+beforeEach(() => {
+  jest.clearAllMocks();
+  capturedBlobParts = [];
+
+  global.Blob = jest.fn().mockImplementation(
+    (parts?: BlobPart[], options?: BlobPropertyBag) => {
+      const content = (parts ?? []).map(p => (typeof p === 'string' ? p : '')).join('');
+      capturedBlobParts.push(content);
+      return { type: options?.type ?? '', size: content.length } as Blob;
+    }
+  ) as unknown as typeof Blob;
+});
+
+afterEach(() => {
+  global.Blob = OriginalBlob;
+});
+
+// ── Fixtures ──────────────────────────────────────────────────────────────────
+
+const makeBooking = (overrides: Partial<Booking> = {}): Booking => ({
+  id: 'b-1',
+  bookingNumber: 'WCM-2024-ABC001',
+  status: BookingStatus.CONFIRMED,
+  shipper: {
+    name: 'Acme Corp',
+    street: '1 rue de la Paix',
+    city: 'Paris',
+    postalCode: '75001',
+    country: 'France',
+  },
+  consignee: {
+    name: 'Beta Ltd',
+    street: '42 Main St',
+    city: 'Shanghai',
+    postalCode: '200000',
+    country: 'China',
+  },
+  containers: [
+    { id: 'c-1', type: ContainerType.DRY_40 },
+    { id: 'c-2', type: ContainerType.HIGH_CUBE_40 },
+  ],
+  rateQuote: {
+    id: 'rq-1',
+    carrierName: 'Maersk',
+    carrierScac: 'MAEU',
+    origin: 'Le Havre',
+    destination: 'Shanghai',
+    priceValue: 2500,
+    priceCurrency: 'USD',
+    etd: '2024-03-01T00:00:00Z',
+    eta: '2024-04-01T00:00:00Z',
+    transitDays: 31,
+  },
+  createdAt: '2024-01-15T10:00:00Z',
+  updatedAt: '2024-01-15T10:00:00Z',
+  ...overrides,
+});
+
+// ── Tests ─────────────────────────────────────────────────────────────────────
+
+describe('exportToCSV', () => {
+  it('calls saveAs once', () => {
+    exportToCSV([makeBooking()]);
+    expect(mockSaveAs).toHaveBeenCalledTimes(1);
+  });
+
+  it('passes a Blob as the first saveAs argument', () => {
+    exportToCSV([makeBooking()]);
+    const [blob] = mockSaveAs.mock.calls[0];
+    expect(blob).toBeDefined();
+    expect(blob.type).toContain('text/csv');
+  });
+
+  it('uses the default filename', () => {
+    exportToCSV([makeBooking()]);
+    const [, filename] = mockSaveAs.mock.calls[0];
+    expect(filename).toBe('bookings-export.csv');
+  });
+
+  it('uses a custom filename when provided', () => {
+    exportToCSV([makeBooking()], undefined, 'my-export.csv');
+    const [, filename] = mockSaveAs.mock.calls[0];
+    expect(filename).toBe('my-export.csv');
+  });
+
+  it('generates a CSV header with default field labels', () => {
+    exportToCSV([makeBooking()]);
+    const csv = capturedBlobParts[0];
+    expect(csv).toContain('Booking Number');
+    expect(csv).toContain('Status');
+    expect(csv).toContain('Carrier');
+    expect(csv).toContain('Origin');
+    expect(csv).toContain('Destination');
+  });
+
+  it('includes booking data in the CSV rows', () => {
+    exportToCSV([makeBooking()]);
+    const csv = capturedBlobParts[0];
+    expect(csv).toContain('WCM-2024-ABC001');
+    expect(csv).toContain('confirmed');
+    expect(csv).toContain('Maersk');
+    expect(csv).toContain('Le Havre');
+    expect(csv).toContain('Shanghai');
+  });
+
+  it('applies custom fields and their labels', () => {
+    const customFields: ExportField[] = [
+      { key: 'bookingNumber', label: 'Number' },
+      { key: 'status', label: 'State' },
+    ];
+    exportToCSV([makeBooking()], customFields);
+    const csv = capturedBlobParts[0];
+    expect(csv).toContain('Number');
+    expect(csv).toContain('State');
+    expect(csv).not.toContain('Carrier');
+  });
+
+  it('applies field formatters', () => {
+    const customFields: ExportField[] = [
+      { key: 'status', label: 'Status', formatter: (v: string) => v.toUpperCase() },
+    ];
+    exportToCSV([makeBooking()], customFields);
+    expect(capturedBlobParts[0]).toContain('CONFIRMED');
+  });
+
+  it('extracts nested values with dot-notation keys', () => {
+    const customFields: ExportField[] = [
+      { key: 'rateQuote.carrierName', label: 'Carrier' },
+      { key: 'shipper.name', label: 'Shipper' },
+    ];
+    exportToCSV([makeBooking()], customFields);
+    const csv = capturedBlobParts[0];
+    expect(csv).toContain('Maersk');
+    expect(csv).toContain('Acme Corp');
+  });
+
+  it('extracts deeply nested values', () => {
+    const customFields: ExportField[] = [
+      { key: 'consignee.city', label: 'Consignee City' },
+    ];
+    exportToCSV([makeBooking()], customFields);
+    expect(capturedBlobParts[0]).toContain('Shanghai');
+  });
+
+  it('generates only the header row when data is empty', () => {
+    exportToCSV([]);
+    const lines = capturedBlobParts[0].split('\n');
+    expect(lines).toHaveLength(1);
+  });
+
+  it('generates one data row per booking', () => {
+    exportToCSV([
+      makeBooking(),
+      makeBooking({ id: 'b-2', bookingNumber: 'WCM-2024-ABC002' }),
+    ]);
+    const lines = capturedBlobParts[0].trim().split('\n');
+    expect(lines).toHaveLength(3); // header + 2 rows
+  });
+
+  it('wraps all cell values in double quotes', () => {
+    const customFields: ExportField[] = [
+      { key: 'bookingNumber', label: 'Number' },
+    ];
+    exportToCSV([makeBooking()], customFields);
+    const dataLine = capturedBlobParts[0].split('\n')[1];
+    expect(dataLine).toMatch(/^".*"$/);
+  });
+
+  it('escapes double quotes inside cell values', () => {
+    const customFields: ExportField[] = [
+      { key: 'shipper.name', label: 'Shipper' },
+    ];
+    const booking = makeBooking({
+      shipper: {
+        name: 'He said "hello"',
+        street: '1 st',
+        city: 'Paris',
+        postalCode: '75001',
+        country: 'France',
+      },
+    });
+    exportToCSV([booking], customFields);
+    // Original `"` should be escaped as `""`
+    expect(capturedBlobParts[0]).toContain('He said ""hello""');
+  });
+
+  it('returns undefined', () => {
+    expect(exportToCSV([makeBooking()])).toBeUndefined();
+  });
+});
+
+describe('exportToExcel', () => {
+  it('calls saveAs with the default filename', () => {
+    exportToExcel([makeBooking()]);
+    expect(mockSaveAs).toHaveBeenCalledTimes(1);
+    const [, filename] = mockSaveAs.mock.calls[0];
+    expect(filename).toBe('bookings-export.xlsx');
+  });
+
+  it('uses a custom filename', () => {
+    exportToExcel([makeBooking()], undefined, 'report.xlsx');
+    const [, filename] = mockSaveAs.mock.calls[0];
+    expect(filename).toBe('report.xlsx');
+  });
+
+  it('calls aoa_to_sheet with worksheet data', () => {
+    exportToExcel([makeBooking()]);
+    expect(mockAoaToSheet).toHaveBeenCalledTimes(1);
+    const [wsData] = mockAoaToSheet.mock.calls[0];
+    expect(Array.isArray(wsData[0])).toBe(true);
+  });
+
+  it('places the header labels in the first row', () => {
+    exportToExcel([makeBooking()]);
+    const [wsData] = mockAoaToSheet.mock.calls[0];
+    const headers = wsData[0];
+    expect(headers).toContain('Booking Number');
+    expect(headers).toContain('Carrier');
+    expect(headers).toContain('Status');
+  });
+
+  it('creates a new workbook', () => {
+    exportToExcel([makeBooking()]);
+    expect(mockBookNew).toHaveBeenCalledTimes(1);
+  });
+
+  it('appends the worksheet with the name "Bookings"', () => {
+    exportToExcel([makeBooking()]);
+    expect(mockBookAppendSheet).toHaveBeenCalledTimes(1);
+    const [, , sheetName] = mockBookAppendSheet.mock.calls[0];
+    expect(sheetName).toBe('Bookings');
+  });
+
+  it('calls XLSX.write with bookType "xlsx"', () => {
+    exportToExcel([makeBooking()]);
+    expect(mockWrite).toHaveBeenCalledTimes(1);
+    const [, opts] = mockWrite.mock.calls[0];
+    expect(opts.bookType).toBe('xlsx');
+  });
+
+  it('produces a row for each booking (plus one header)', () => {
+    exportToExcel([makeBooking(), makeBooking({ id: 'b-2' })]);
+    const [wsData] = mockAoaToSheet.mock.calls[0];
+    expect(wsData).toHaveLength(3); // 1 header + 2 data rows
+  });
+});
+
+describe('exportToJSON', () => {
+  it('calls saveAs with the default filename', () => {
+    exportToJSON([makeBooking()]);
+    expect(mockSaveAs).toHaveBeenCalledTimes(1);
+    const [, filename] = mockSaveAs.mock.calls[0];
+    expect(filename).toBe('bookings-export.json');
+  });
+
+  it('uses a custom filename', () => {
+    exportToJSON([makeBooking()], 'data.json');
+    const [, filename] = mockSaveAs.mock.calls[0];
+    expect(filename).toBe('data.json');
+  });
+
+  it('creates a Blob with application/json type', () => {
+    exportToJSON([makeBooking()]);
+    const [blob] = mockSaveAs.mock.calls[0];
+    expect(blob.type).toContain('application/json');
+  });
+
+  it('serialises bookings as valid JSON', () => {
+    const booking = makeBooking();
+    exportToJSON([booking]);
+    const json = capturedBlobParts[0];
+    const parsed = JSON.parse(json);
+    expect(Array.isArray(parsed)).toBe(true);
+    expect(parsed[0].bookingNumber).toBe('WCM-2024-ABC001');
+  });
+
+  it('produces pretty-printed JSON (2-space indent)', () => {
+    exportToJSON([makeBooking()]);
+    expect(capturedBlobParts[0]).toContain('\n  ');
+  });
+});
+
+describe('exportBookings dispatcher', () => {
+  it('routes "csv" to exportToCSV', () => {
+    exportBookings([makeBooking()], 'csv');
+    const [, filename] = mockSaveAs.mock.calls[0];
+    expect(filename).toBe('bookings-export.csv');
+  });
+
+  it('routes "excel" to exportToExcel', () => {
+    exportBookings([makeBooking()], 'excel');
+    expect(mockAoaToSheet).toHaveBeenCalledTimes(1);
+    const [, filename] = mockSaveAs.mock.calls[0];
+    expect(filename).toBe('bookings-export.xlsx');
+  });
+
+  it('routes "json" to exportToJSON', () => {
+    exportBookings([makeBooking()], 'json');
+    const [, filename] = mockSaveAs.mock.calls[0];
+    expect(filename).toBe('bookings-export.json');
+  });
+
+  it('throws for an unknown format', () => {
+    expect(() => exportBookings([makeBooking()], 'pdf' as any)).toThrow(
+      'Unsupported export format: pdf'
+    );
+  });
+
+  it('passes a custom filename through to the underlying exporter', () => {
+    exportBookings([makeBooking()], 'csv', undefined, 'custom.csv');
+    const [, filename] = mockSaveAs.mock.calls[0];
+    expect(filename).toBe('custom.csv');
+  });
+});

apps/frontend/tsconfig.json

@@ -31,5 +31,13 @@
     }
   },
   "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts"],
-  "exclude": ["node_modules"]
+  "exclude": [
+    "node_modules",
+    "src/__tests__",
+    "**/*.test.ts",
+    "**/*.test.tsx",
+    "**/*.spec.ts",
+    "**/*.spec.tsx",
+    "jest.setup.ts"
+  ]
 }

apps/frontend/tsconfig.test.json

@@ -0,0 +1,18 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "types": ["jest", "@testing-library/jest-dom", "node"],
+    "jsx": "react-jsx"
+  },
+  "include": [
+    "next-env.d.ts",
+    "jest.setup.ts",
+    "src/__tests__/**/*.ts",
+    "src/__tests__/**/*.tsx",
+    "src/**/*.test.ts",
+    "src/**/*.test.tsx",
+    "src/**/*.spec.ts",
+    "src/**/*.spec.tsx"
+  ],
+  "exclude": ["node_modules"]
+}

package-lock.json

@@ -0,0 +1,69 @@
+{
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+  "requires": true,
+  "packages": {
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+        "npm": ">=10.0.0"
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+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "undici-types": "~6.21.0"
+      }
+    },
+    "node_modules/prettier": {
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+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.8.1.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "bin": {
+        "prettier": "bin/prettier.cjs"
+      },
+      "engines": {
+        "node": ">=14"
+      },
+      "funding": {
+        "url": "https://github.com/prettier/prettier?sponsor=1"
+      }
+    },
+    "node_modules/typescript": {
+      "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
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+      "dev": true,
+      "license": "Apache-2.0",
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=14.17"
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+    "node_modules/undici-types": {
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+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz",
+      "integrity": "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==",
+      "dev": true,
+      "license": "MIT"
+    }
+  }
+}