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_backspace_spec.js

@@ -0,0 +1,76 @@
+describe('Markdown widget', () => {
+  before(() => {
+    Cypress.config('defaultCommandTimeout', 4000);
+    cy.task('setupBackend', { backend: 'test' });
+  });
+
+  beforeEach(() => {
+    cy.loginAndNewPost();
+    cy.clearMarkdownEditorContent();
+  });
+
+  after(() => {
+    cy.task('teardownBackend', { backend: 'test' });
+  });
+
+  // describe('pressing backspace', () => {
+  it('sets non-default block to default when empty', () => {
+    cy.focused().clickHeadingOneButton().backspace().confirmMarkdownEditorContent(`
+          <p></p>
+        `);
+  });
+  it('moves to previous block when no character left to delete', () => {
+    cy.focused().type('foo').enter().clickHeadingOneButton().type('a').backspace({ times: 2 })
+      .confirmMarkdownEditorContent(`
+          <p>foo</p>
+        `);
+  });
+  it('does nothing at start of first block in document when non-empty and non-default', () => {
+    cy.focused().clickHeadingOneButton().type('foo').setCursorBefore('foo').backspace({ times: 4 })
+      .confirmMarkdownEditorContent(`
+          <h1>foo</h1>
+        `);
+  });
+  it('deletes individual characters in middle of non-empty non-default block in document', () => {
+    cy.focused().clickHeadingOneButton().type('foo').setCursorAfter('fo').backspace({ times: 3 })
+      .confirmMarkdownEditorContent(`
+          <h1>o</h1>
+        `);
+  });
+  it('at beginning of non-first block, moves default block content to previous block', () => {
+    cy
+      .focused()
+      .clickHeadingOneButton()
+      .type('foo')
+      .enter()
+      .type('bar')
+      .setCursorBefore('bar')
+      .backspace().confirmMarkdownEditorContent(`
+          <h1>foobar</h1>
+        `);
+  });
+  it('at beginning of non-first block, moves non-default block content to previous block', () => {
+    cy
+      .focused()
+      .type('foo')
+      .enter()
+      .clickHeadingOneButton()
+      .type('bar')
+      .enter()
+      .clickHeadingTwoButton()
+      .type('baz')
+      .setCursorBefore('baz')
+      .backspace()
+      .confirmMarkdownEditorContent(
+        `
+          <p>foo</p>
+          <h1>barbaz</h1>
+        `,
+      )
+      .setCursorBefore('bar')
+      .backspace().confirmMarkdownEditorContent(`
+          <p>foobarbaz</p>
+        `);
+    // });
+  });
+});