feat(frontend): delete revision

Signed-off-by: Avinash <avinash.kumar.cs92@gmail.com>

frontend/cypress/e2e/revision.spec.ts

@@ -0,0 +1,96 @@
+/*
+ * SPDX-FileCopyrightText: 2022 The HedgeDoc developers (see AUTHORS file)
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+import { testNoteId } from '../support/visit-test-editor'
+import { DateTime } from 'luxon'
+import { join } from 'path'
+
+describe('Revision modal', () => {
+  const testTitle = 'testContent'
+  const testContent = `---\ntitle: ${testTitle}\n---\nThis is some test content`
+
+  const defaultCreatedAt = '2021-12-29T17:54:11.000Z'
+  const formattedDate = DateTime.fromISO(defaultCreatedAt).toFormat('DDDD T')
+  const revisionPayload = [
+    {
+      id: 1,
+      createdAt: defaultCreatedAt,
+      length: 2788,
+      authorUsernames: [],
+      anonymousAuthorCount: 4,
+      title: 'Features',
+      description: 'Many features, such wow!',
+      tags: ['hedgedoc', 'demo', 'react']
+    },
+    {
+      id: 0,
+      createdAt: defaultCreatedAt,
+      length: 2782,
+      authorUsernames: [],
+      anonymousAuthorCount: 2,
+      title: 'Features',
+      description: 'Many more features, such wow!',
+      tags: ['hedgedoc', 'demo', 'react']
+    }
+  ]
+  beforeEach(() => {
+    cy.intercept('GET', `api/private/notes/${testNoteId}/revisions`, revisionPayload)
+    cy.visitTestNote()
+    cy.getByCypressId('sidebar.revision.button').click()
+  })
+
+  it('can delete revisions', () => {
+    cy.intercept('DELETE', `api/private/notes/${testNoteId}/revisions`, {
+      statusCode: 204
+    })
+    const cardsContents = [formattedDate, 'Length: 2788', 'Anonymous authors or guests: 4']
+
+    cardsContents.forEach((content) => cy.getByCypressId('revision.modal.lists').contains(content))
+
+    cy.getByCypressId('revision.modal.revert.button').should('be.disabled')
+    cy.getByCypressId('revision.modal.download.button').should('be.disabled')
+    cy.getByCypressId('revision.modal.delete.button').click()
+    cy.getByCypressId('revision.delete.modal').should('be.visible')
+
+    cy.getByCypressId('revision.delete.button').click()
+    cy.getByCypressId('revision.delete.modal').should('not.exist')
+    cy.getByCypressId('sidebar.revision.modal').should('be.visible')
+  })
+  it('can handle fail of revision deletion', () => {
+    cy.intercept('DELETE', `api/private/notes/${testNoteId}/revisions`, {
+      statusCode: 400
+    })
+    cy.getByCypressId('revision.modal.delete.button').click()
+    cy.getByCypressId('revision.delete.modal').should('be.visible')
+
+    cy.getByCypressId('revision.delete.button').click()
+    cy.getByCypressId('revision.delete.modal').should('not.exist')
+    cy.getByCypressId('notification-toast').should('be.visible')
+    cy.getByCypressId('sidebar.revision.modal').should('be.visible')
+  })
+  it('can download revisions', () => {
+    cy.intercept('GET', '/api/private/notes/mock-note/revisions/1', {
+      id: 1,
+      createdAt: defaultCreatedAt,
+      title: 'Features',
+      description: 'Many more features, such wow!',
+      tags: ['hedgedoc', 'demo', 'react'],
+      patch: testContent,
+      edits: [],
+      length: 2788,
+      authorUsernames: [],
+      anonymousAuthorCount: 4,
+      content: testContent
+    })
+
+    const downloadFolder = Cypress.config('downloadsFolder')
+    const fileName = `mock-note-${defaultCreatedAt.replace(/:/g, '_')}.md`
+    const filePath = join(downloadFolder, fileName)
+
+    cy.getByCypressId('revision.modal.lists').contains(formattedDate).click()
+    cy.getByCypressId('revision.modal.download.button').click()
+    cy.readFile(filePath).should('contain', testContent)
+  })
+})