feat: v4.0.0 (#1016)

Co-authored-by: Denys Konovalov <kontakt@denyskon.de>
Co-authored-by: Mathieu COSYNS <64072917+Mathieu-COSYNS@users.noreply.github.com>

cypress/e2e/_old/markdown_widget_enter_spec.js

@@ -0,0 +1,80 @@
+describe('Markdown widget breaks', () => {
+  before(() => {
+    Cypress.config('defaultCommandTimeout', 4000);
+    cy.task('setupBackend', { backend: 'test' });
+  });
+
+  beforeEach(() => {
+    cy.loginAndNewPost();
+    cy.clearMarkdownEditorContent();
+  });
+
+  after(() => {
+    cy.task('teardownBackend', { backend: 'test' });
+  });
+
+  describe('pressing enter', () => {
+    it('creates new default block from empty block', () => {
+      cy.focused().enter().confirmMarkdownEditorContent(`
+          <p></p>
+          <p></p>
+        `);
+    });
+    it('creates new default block when selection collapsed at end of block', () => {
+      cy.focused().type('foo').enter().confirmMarkdownEditorContent(`
+          <p>foo</p>
+          <p></p>
+        `);
+    });
+    it('creates new default block when selection collapsed at end of non-default block', () => {
+      cy.clickHeadingOneButton().type('foo').enter().confirmMarkdownEditorContent(`
+          <h1>foo</h1>
+          <p></p>
+        `);
+    });
+    it('creates new default block when selection collapsed in empty non-default block', () => {
+      cy.clickHeadingOneButton().enter().confirmMarkdownEditorContent(`
+          <h1></h1>
+          <p></p>
+        `);
+    });
+    it('splits block into two same-type blocks when collapsed selection at block start', () => {
+      cy.clickHeadingOneButton().type('foo').setCursorBefore('foo').enter()
+        .confirmMarkdownEditorContent(`
+          <h1></h1>
+          <h1>foo</h1>
+        `);
+    });
+    it('splits block into two same-type blocks when collapsed in middle of selection at block start', () => {
+      cy.clickHeadingOneButton().type('foo').setCursorBefore('oo').enter()
+        .confirmMarkdownEditorContent(`
+          <h1>f</h1>
+          <h1>oo</h1>
+        `);
+    });
+    it('deletes selected content and splits to same-type block when selection is expanded', () => {
+      cy.clickHeadingOneButton().type('foo bar').setSelection('o b').enter()
+        .confirmMarkdownEditorContent(`
+          <h1>fo</h1>
+          <h1>ar</h1>
+        `);
+    });
+  });
+
+  describe('pressing shift+enter', () => {
+    it('creates line break', () => {
+      cy.focused().enter({ shift: true }).confirmMarkdownEditorContent(`
+          <p>
+
+          </p>
+        `);
+    });
+    it('creates consecutive line break', () => {
+      cy.focused().enter({ shift: true, times: 4 }).confirmMarkdownEditorContent(`
+          <p>
+
+          </p>
+        `);
+    });
+  });
+});