test: add post delete testcase

cypress/integration/post-delete.spec.js

@@ -0,0 +1,42 @@
+describe('test for login', () => {
+  before(() => {
+    cy.visit('/')
+    // login
+    cy.fixture('users.json').then(users => {
+      cy.login(users.loginPass)
+    })
+  })
+
+  it('post article', () => {
+    // post article
+    cy.get('[href="#/article/create"]')
+      .click()
+
+    cy.get('[placeholder="Article Title"]')
+      .type('tilte')
+
+    cy.get('[placeholder="What\'s this article about?"]')
+      .type('content')
+
+    cy.get('[placeholder="Write your article (in markdown)"]')
+      .type('## test')
+
+    cy.get('[placeholder="Enter tags"]')
+      .type('butt')
+
+    cy.get('[type="submit"]')
+      .click()
+    cy.get('.article-page .banner h1')
+      .should('contain', 'tilte')
+  })
+
+  it('delete article', () => {
+    // delete article
+
+    cy.get('.article-actions button.btn-outline-danger')
+      .click()
+
+    cy.get('.home-page p')
+      .should('contain', 'A place to share your knowledge.')
+  })
+})