test: 로그인 e2e테스트 도입

cypress/e2e/sign.cy.ts

@@ -1,5 +1,33 @@
-describe('template spec', () => {
-  it('passes', () => {
-    cy.visit('http://localhost:3000/sign');
+//test1 : 로그인과정 테스트
+
+describe('Signin Form Test', () => {
+  // 로그인 api 검증
+  beforeEach(() => {
+    cy.request({
+      method: 'POST',
+      url: 'https://joo-api.store/login',
+      body: {
+        email: '[email protected]',
+        password: 'qwer1234!'
+      }
+    }).then((resp) => {
+      const token = resp.body.data.accessToken;
+      if (typeof token === 'string' && token.length > 0) {
+        cy.setCookie('token', token);
+      } else {
+        throw new Error('Token is not a valid string.');
+      }
+    });
+    cy.visit('http://localhost:3000/signin');
+  });
+
+  //  로그인 및 리다이렉션 검증
+  it('successfully logs in', () => {
+    cy.visit('http://localhost:3000/signin');
+    cy.get('input[id="email"]').type('[email protected]');
+    cy.get('input[id="password"]').type('qwer1234!');
+    cy.get('form').submit();
+    cy.url().should('include', '/');
+    cy.visit('http://localhost:3000/');
   });
 });