Fix diagnostics database page

app/helpers/ops_helper.rb

@@ -22,19 +22,19 @@ def row_data(label, value)
   end
 
   def database_details
-    @database_details = ActiveRecord::Base.configurations[Rails.env]
+    @database_details = ActiveRecord::Base.configurations.configs_for(:env_name => Rails.env).first.configuration_hash
     @database_display_name =
-      if @database_details["host"].in?([nil, "", "localhost", "127.0.0.1"])
+      if @database_details[:host].in?([nil, "", "localhost", "127.0.0.1"])
         _("Internal Database")
       else
         _("External Database")
       end
       @data = {:title => _('Basic Information')}
       @data[:rows] = [
         row_data(_('Name'), @database_display_name),
-        row_data(_('Hostname'), @database_details["host"]),
-        row_data(_('Database name'), @database_details["database"]),
-        row_data(_('Username'), @database_details["username"])
+        row_data(_('Hostname'), @database_details[:host]),
+        row_data(_('Database name'), @database_details[:database]),
+        row_data(_('Username'), @database_details[:username])
       ]
   end
 

cypress/e2e/ui/Settings/Application-Settings/diagnostics.cy.js

@@ -0,0 +1,43 @@
+/* eslint-disable no-undef */
+
+// Menu options
+const SETTINGS_MENU_OPTION = 'Settings';
+const APP_SETTINGS_MENU_OPTION = 'Application Settings';
+
+// Accordion items
+const DIAGNOSTICS_ACCORDION_ITEM = 'Diagnostics';
+const MANAGEIQ_REGION_ACCORDION_ITEM = /^ManageIQ Region:/;
+
+// Tab names
+const DATABASE_TAB_LABEL = 'Database';
+
+describe('Settings > Application Settings > Diagnostics', () => {
+  beforeEach(() => {
+    cy.login();
+    cy.menu(SETTINGS_MENU_OPTION, APP_SETTINGS_MENU_OPTION);
+    cy.accordion(DIAGNOSTICS_ACCORDION_ITEM);
+  });
+
+  describe('ManageIQ Region', () => {
+    beforeEach(() => {
+      cy.selectAccordionItem([MANAGEIQ_REGION_ACCORDION_ITEM]);
+    });
+
+    it('should navigate to the Database tab', () => {
+      // Intercept the API call when clicking on the Database tab
+      cy.interceptApi({
+        alias: 'getDatabaseTabInfo',
+        urlPattern: '/ops/change_tab?tab_id=diagnostics_database',
+        triggerFn: () => cy.tabs({ tabLabel: DATABASE_TAB_LABEL }),
+      });
+
+      // Verify the Database tab content is loaded
+      cy.get(`@getDatabaseTabInfo`).then((getCall) => {
+        expect(getCall.state).to.equal('Complete');
+      });
+
+      // Verify we're on the Database tab
+      cy.get('.tab-content').contains(DATABASE_TAB_LABEL).should('be.visible');
+    });
+  });
+});

spec/helpers/ops_helper_spec.rb

@@ -1,4 +1,17 @@
 describe OpsHelper do
+  it "#database_details" do
+    db_config = ActiveRecord::Base.configurations.configs_for(:env_name => Rails.env).first.configuration_hash
+
+    expect(helper.database_details).to match_array(
+      [
+        {:cells => a_hash_including(:label => "Name", :value => a_string_matching(/ Database$/))},
+        {:cells => {:label => "Hostname",      :value => db_config[:host]}},
+        {:cells => {:label => "Database name", :value => db_config[:database]}},
+        {:cells => {:label => "Username",      :value => db_config[:username]}},
+      ]
+    )
+  end
+
   describe '#auth_mode_name' do
     modes = %w[amazon httpd database]
     modes_pretty = %w[Amazon External\ Authentication Database]