fix: change dirty strategy in check form

src/components/CheckForm/CheckForm.tsx

@@ -21,6 +21,7 @@ import { toFormValues } from 'components/CheckEditor/checkFormTransformations';
 import { CheckJobName } from 'components/CheckEditor/FormComponents/CheckJobName';
 import { ChooseCheckType } from 'components/CheckEditor/FormComponents/ChooseCheckType';
 import { ProbeOptions } from 'components/CheckEditor/ProbeOptions';
+import { checkHasChanges } from 'components/CheckForm/checkForm.utils';
 import { DNSCheckLayout } from 'components/CheckForm/FormLayouts/CheckDNSLayout';
 import { GRPCCheckLayout } from 'components/CheckForm/FormLayouts/CheckGrpcLayout';
 import { HttpCheckLayout } from 'components/CheckForm/FormLayouts/CheckHttpLayout';
@@ -93,9 +94,10 @@ export const CheckForm = ({ check, disabled }: CheckFormProps) => {
     (checkType === CheckType.Browser && isOverBrowserLimit) ||
     ([CheckType.MULTI_HTTP, CheckType.Scripted].includes(checkType) && isOverScriptedLimit);
   const isDisabled = disabled || !canWriteChecks || getLimitDisabled({ isExistingCheck, isLoading, overLimit });
+  const defaultValues = toFormValues(initialCheck, checkType);
 
   const formMethods = useForm<CheckFormValues>({
-    defaultValues: toFormValues(initialCheck, checkType),
+    defaultValues,
     shouldFocusError: false, // we manage focus manually
     resolver: zodResolver(schema),
   });
@@ -158,9 +160,10 @@ export const CheckForm = ({ check, disabled }: CheckFormProps) => {
     </Stack>
   );
 
-  const { isDirty, isSubmitSuccessful } = formMethods.formState;
-  // since we navigate on submit, we need this to not trigger the confirmation modal
-  const hasUnsavedChanges = isDirty && !isSubmitSuccessful;
+  const hasUnsavedChanges = error
+    ? true
+    : checkHasChanges(defaultValues, formMethods.getValues()) && !formMethods.formState.isSubmitSuccessful;
+
   const navModel = useMemo(() => {
     return isExistingCheck
       ? createNavModel(

src/components/CheckForm/checkForm.utils.ts

@@ -5,6 +5,10 @@ import { PROBES_FILTER_ID } from 'components/CheckEditor/CheckProbes/ProbesFilte
 import { SCRIPT_TEXTAREA_ID } from 'components/CheckEditor/FormComponents/ScriptedCheckScript';
 import { CHECK_FORM_ERROR_EVENT } from 'components/constants';
 
+export function checkHasChanges(existing: CheckFormValues, incoming: CheckFormValues) {
+  return JSON.stringify(existing) !== JSON.stringify(incoming);
+}
+
 export function flattenKeys(errs: FieldErrors<CheckFormValues>) {
   const build: string[] = [];
 

src/page/EditCheck/__tests__/EditCheck.test.tsx

@@ -62,4 +62,9 @@ describe(`<EditCheck />`, () => {
     const submitButton = await screen.findByTestId(DataTestIds.CHECK_FORM_SUBMIT_BUTTON);
     expect(submitButton).toBeDisabled();
   });
+
+  it(`disables the save button when no edits have been made`, async () => {
+    await renderEditForm(BASIC_HTTP_CHECK.id);
+    expect(await screen.findByTestId(DataTestIds.CHECK_FORM_SUBMIT_BUTTON)).not.toBeEnabled();
+  });
 });

src/page/NewCheck/__tests__/NewCheck.journey.test.tsx

@@ -177,6 +177,42 @@ describe(`<NewCheck /> journey`, () => {
     expect(testButton).toBeDisabled();
   });
 
+  it(`disables the submit button by default`, async () => {
+    await renderNewForm(CheckType.HTTP);
+    expect(screen.getByTestId(DataTestIds.CHECK_FORM_SUBMIT_BUTTON)).not.toBeEnabled();
+  });
+
+  it(`enables the submit button when a field is edited`, async () => {
+    const { user } = await renderNewForm(CheckType.HTTP);
+    const jobNameInput = await screen.findByLabelText('Job name', { exact: false });
+    await user.type(jobNameInput, 'My Job Name');
+    const submitButton = await screen.findByTestId(DataTestIds.CHECK_FORM_SUBMIT_BUTTON);
+    expect(submitButton).toBeEnabled();
+  });
+
+  it(`has the save button enabled after a failed submission`, async () => {
+    const { user } = await renderNewForm(CheckType.HTTP);
+
+    server.use(
+      apiRoute(`addCheck`, {
+        result: () => {
+          return {
+            status: 409,
+            json: {
+              err: 'target/job combination already exists',
+              msg: 'Failed to add check to database',
+            },
+          };
+        },
+      })
+    );
+
+    await fillMandatoryFields({ user, checkType: CheckType.HTTP });
+    await submitForm(user);
+    const submitButton = await screen.findByTestId(DataTestIds.CHECK_FORM_SUBMIT_BUTTON);
+    expect(submitButton).toBeEnabled();
+  });
+
   // jsdom doesn't give us back the submitter of the form, so we can't test this
   // https://github.com/jsdom/jsdom/issues/3117
   it.skip(`should show an error message when it fails to test a check`, async () => {});