11-sifers

projects/earnings-app-e2e/src/integration/books-page.spec.ts

@@ -6,43 +6,47 @@ import * as BookListComponent from '../support/book-list-component.harness';
 import * as BookFormComponent from '../support/book-form-component.harness';
 import * as BooksPage from '../support/books-page.harness';
 
-describe('Books Page', () => {
-  let book: BookModel;
-
-  beforeEach(() => {
-    book = {
-      id: uuid.v4(),
-      name: 'The Lord of the Rings',
-      earnings: '100',
-      description:
-        'The Lord of the Rings is an epic high fantasy novel written by English author and scholar J. R. R. Tolkien.',
-    };
-
-    BooksApi.deleteAllBooks();
-    BooksApi.createBook(book);
-
+function setup(options: { throwErrorWhenLoadingBooks?: boolean } = {}) {
+  const book = {
+    id: uuid.v4(),
+    name: 'The Lord of the Rings',
+    earnings: '100',
+    description:
+      'The Lord of the Rings is an epic high fantasy novel written by English author and scholar J. R. R. Tolkien.',
+  };
+
+  BooksApi.deleteAllBooks();
+  BooksApi.createBook(book);
+
+  if (options.throwErrorWhenLoadingBooks) {
+    cy.intercept('GET', 'http://localhost:3000/books', {
+      statusCode: 500,
+      body: {
+        error: 'Internal Server Error',
+      },
+    }).as('getBooks');
+  } else {
     cy.intercept('GET', 'http://localhost:3000/books').as('getBooks');
+  }
 
-    AuthApi.login('Admin', 'password');
+  AuthApi.login('Admin', 'password');
 
-    cy.visit('/');
+  cy.visit('/');
 
-    cy.wait('@getBooks');
-  });
+  cy.wait('@getBooks');
+
+  return book;
+}
 
+describe('Books Page', () => {
   it('should show a list all of the books', () => {
+    const book = setup();
+
     BookListComponent.getBook(book.id).should('contain', book.name);
   });
 
   it('should gracefully show an error message when loading the books fails', () => {
-    cy.intercept('GET', 'http://localhost:3000/books', {
-      statusCode: 500,
-      body: {
-        error: 'Internal Server Error',
-      },
-    }).as('getBooks');
-    cy.visit('/');
-    cy.wait('@getBooks');
+    setup({ throwErrorWhenLoadingBooks: true });
 
     BooksPage.getError().should('contain', 'Error');
   });