add test of removed users

cypress/e2e/functional/document_tests/group_chooser_spec.js

@@ -10,6 +10,13 @@ let student1 = '20',
   student4 = '23',
   student5 = '24',
   student6 = '25',
+  // Students with ids higher than 99 are not part of the fake class
+  // that is setup for QA, Dev, and Demo modes. For the CLUE window
+  // that is showing a high id student they are added to the class,
+  // but for other CLUE windows they will not be part of the class.
+  // So when viewed in other CLUE windows this student will
+  // be considered not in the class.
+  studentNotInClass = '150',
   fakeClass = '15',
   problem = '1.1',
   group1 = '20',
@@ -125,5 +132,48 @@ context('Test student join a group', function () {
     clueHeader.getGroupName().should('contain', 'Group ' + group1);
     header.getUserName().should('contain', 'Student ' + student1);
     clueHeader.getGroupMembers().should('contain', 'S' + student1).and('have.length', 1);
+
+    cy.log('will verify a student removed from the class is not visible');
+    // have student6 leave first group so special student can join
+    setup(student6, { alreadyInGroup: true });
+    cy.get('.app .group > .name').contains('Group ' + group1).click();
+    cy.get("#okButton").should('contain', 'Yes').click();
+
+    // have special student join group 1
+    setup(studentNotInClass);
+    cy.wait(500);
+    cy.get('.groups > .group-list > .group').contains(group1).click();
+    clueHeader.getGroupName().should('contain', 'Group ' + group1);
+    header.getUserName().should('contain', 'Student ' + studentNotInClass);
+    clueHeader.getGroupMembers()
+      .should('contain', 'S' + student1)
+      .and('contain', 'S' + student2)
+      .and('contain', 'S' + student4)
+      .and('contain', 'S' + studentNotInClass);
+
+    // Need to wait more than 1s so the student not in the class is considered removed
+    cy.wait(1500);
+    // switch back to student 1
+    setup(student1, { alreadyInGroup: true });
+    clueHeader.getGroupName().should('contain', 'Group ' + group1);
+    header.getUserName().should('contain', 'Student ' + student1);
+    // The studentNotInClass should not show up now
+    clueHeader.getGroupMembers()
+      .should('contain', 'S' + student1)
+      .and('contain', 'S' + student2)
+      .and('contain', 'S' + student4)
+      .and('not.contain', '**') // these are the initials of new students
+      .and('not.contain', 'S' + studentNotInClass);
+
+    cy.log('verify a 4th student can join a group with a removed student');
+    setup(student6);
+    cy.get('.groups > .group-list > .group').contains(group1).click();
+    clueHeader.getGroupName().should('contain', 'Group ' + group1);
+    header.getUserName().should('contain', 'Student ' + student6);
+    clueHeader.getGroupMembers()
+      .should('contain', 'S' + student1)
+      .and('contain', 'S' + student2)
+      .and('contain', 'S' + student4)
+      .and('contain', 'S' + student6);
   });
 });