add minimal working example

cypress/e2e/hedgedoc-migrator.cy.js

@@ -0,0 +1,31 @@
+async function getContent(url) {
+  const res = await fetch(url.concat('/download'));
+  return res.text();
+}
+
+async function migrateDocument(url, baseUrl) {
+  const content = await getContent(url);
+  cy.request({
+    url: baseUrl.concat('/new'),
+    method: 'POST',
+    headers: {
+      'Content-Type': 'text/markdown',
+      'Access-Control-Allow-Origin': new URL(baseUrl).hostname,
+    },
+    body: content,
+  }).then((res) => {
+    const redirect = res.redirects[0].split(' ')[1];
+    cy.visit(url);
+    cy.get('#view-mode-toggle-edit').click({force: true});
+    cy.get('.CodeMirror-scroll').type('{ctrl}a{backspace}');
+    cy.get('.CodeMirror-scroll').type(`Moved to [${redirect}](${redirect})`);
+  });
+}
+
+describe('Migrate document', () => {
+  it('passes', async () => {
+    const baseUrl = 'https://md.margau.net';
+    const url = 'https://md.margau.net/H0JO3L5DS-6Yhv4RrdS-tw';
+    migrateDocument(url, baseUrl);
+  });
+});

cypress/fixtures/example.json

@@ -0,0 +1,5 @@
+{
+  "name": "Using fixtures to represent data",
+  "email": "hello@cypress.io",
+  "body": "Fixtures are a great way to mock data for responses to routes"
+}

cypress/support/commands.js

@@ -0,0 +1,25 @@
+// ***********************************************
+// This example commands.js shows you how to
+// create various custom commands and overwrite
+// existing commands.
+//
+// For more comprehensive examples of custom
+// commands please read more here:
+// https://on.cypress.io/custom-commands
+// ***********************************************
+//
+//
+// -- This is a parent command --
+// Cypress.Commands.add('login', (email, password) => { ... })
+//
+//
+// -- This is a child command --
+// Cypress.Commands.add('drag', { prevSubject: 'element'}, (subject, options) => { ... })
+//
+//
+// -- This is a dual command --
+// Cypress.Commands.add('dismiss', { prevSubject: 'optional'}, (subject, options) => { ... })
+//
+//
+// -- This will overwrite an existing command --
+// Cypress.Commands.overwrite('visit', (originalFn, url, options) => { ... })

cypress/support/e2e.js

@@ -0,0 +1,20 @@
+// ***********************************************************
+// This example support/e2e.js is processed and
+// loaded automatically before your test files.
+//
+// This is a great place to put global configuration and
+// behavior that modifies Cypress.
+//
+// You can change the location of this file or turn off
+// automatically serving support files with the
+// 'supportFile' configuration option.
+//
+// You can read more here:
+// https://on.cypress.io/configuration
+// ***********************************************************
+
+// Import commands.js using ES2015 syntax:
+import './commands'
+
+// Alternatively you can use CommonJS syntax:
+// require('./commands')