add test for https://redmine.weseek.co.jp/issues/115285

apps/app/src/components/PageDuplicateModal.tsx

@@ -252,6 +252,7 @@ const PageDuplicateModal = (): JSX.Element => {
         <button
           type="button"
           className="btn btn-primary"
+          data-testid="btn-duplicate"
           onClick={duplicate}
           disabled={!submitButtonEnabled}
         >

apps/app/test/cypress/integration/23-editor/23-editor--with-navigation.ts

@@ -0,0 +1,105 @@
+context('Editor while navigation', () => {
+
+  const ssPrefix = 'editor-while-navigation-';
+
+  beforeEach(() => {
+    // login
+    cy.fixture("user-admin.json").then(user => {
+      cy.login(user.username, user.password);
+    });
+  });
+
+  // for https://redmine.weseek.co.jp/issues/115285
+  it('Successfully updating the page body', { scrollBehavior: false }, () => {
+    const page1Path = '/Sandbox/for-115285/page1';
+    const page2Path = '/Sandbox/for-115285/page2';
+
+    cy.visit(page1Path);
+
+    // open editor
+    cy.get('#grw-page-editor-mode-manager').as('pageEditorModeManager').should('be.visible');
+    cy.waitUntil(() => {
+      // do
+      cy.get('@pageEditorModeManager').within(() => {
+        cy.get('button:nth-child(2)').click();
+      });
+      // until
+      return cy.get('.layout-root').then($elem => $elem.hasClass('editing'));
+    })
+
+    // page1
+    const bodyHello = 'hello';
+    cy.get('.CodeMirror').type(bodyHello);
+    cy.get('.CodeMirror').should('contain.text', bodyHello);
+    cy.get('.page-editor-preview-body').should('contain.text', bodyHello);
+    cy.getByTestid('page-editor').should('be.visible');
+    cy.get('.CodeMirror').screenshot(`${ssPrefix}-editor-for-page1`);
+
+    // save page1
+    cy.getByTestid('save-page-btn').click();
+
+    // open duplicate modal
+    cy.waitUntil(() => {
+      // do
+      cy.get('#grw-subnav-container').within(() => {
+        cy.getByTestid('open-page-item-control-btn').find('button').click({force: true});
+      });
+      // wait until
+      return cy.getByTestid('page-item-control-menu').then($elem => $elem.is(':visible'))
+    });
+    cy.getByTestid('open-page-duplicate-modal-btn').filter(':visible').click({force: true});
+
+    // duplicate and navigate to page1
+    cy.getByTestid('page-duplicate-modal').should('be.visible').within(() => {
+      cy.get('input.form-control').clear();
+      cy.get('input.form-control').type(page2Path);
+      cy.getByTestid('btn-duplicate').click();
+    })
+
+    // open editor
+    cy.get('#grw-page-editor-mode-manager').as('pageEditorModeManager').should('be.visible');
+    cy.waitUntil(() => {
+      // do
+      cy.get('@pageEditorModeManager').within(() => {
+        cy.get('button:nth-child(2)').click();
+      });
+      // until
+      return cy.get('.layout-root').then($elem => $elem.hasClass('editing'));
+    })
+
+    cy.get('.CodeMirror').screenshot(`${ssPrefix}-editor-for-page2`);
+
+    // type (without save)
+    const bodyWorld = ' world!!'
+    cy.get('.CodeMirror').type(`${bodyWorld}`);
+    cy.get('.CodeMirror').should('contain.text', `${bodyHello}${bodyWorld}`);
+    cy.get('.page-editor-preview-body').should('contain.text', `${bodyHello}${bodyWorld}`);
+    cy.get('.CodeMirror').screenshot(`${ssPrefix}-editor-for-page2-modified`);
+
+    // create a link to page1
+    cy.get('.CodeMirror').type('\n\n[page1](./page1)');
+
+    // go to page1
+    cy.get('.page-editor-preview-body').within(() => {
+      cy.get("a:contains('page1')").click();
+    });
+
+    // open editor
+    cy.get('#grw-page-editor-mode-manager').as('pageEditorModeManager').should('be.visible');
+    cy.waitUntil(() => {
+      // do
+      cy.get('@pageEditorModeManager').within(() => {
+        cy.get('button:nth-child(2)').click();
+      });
+      // until
+      return cy.get('.layout-root').then($elem => $elem.hasClass('editing'));
+    })
+
+    cy.get('.CodeMirror').screenshot(`${ssPrefix}-editor-for-page1-returned`);
+
+    // expect
+    cy.get('.CodeMirror').should('contain.text', bodyHello);
+    cy.get('.CodeMirror').should('not.contain.text', bodyWorld); // text that added to page2
+    cy.get('.CodeMirror').should('not.contain.text', 'page1'); // text that added to page2
+  });
+});