some validation tests

x-pack/plugins/cases/public/components/observables/fields_config.test.ts

@@ -0,0 +1,78 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import type { ValidationFunc } from '@kbn/es-ui-shared-plugin/static/forms/hook_form_lib/types';
+import { emailValidator, genericValidator } from './fields_config';
+
+describe('emailValidator', () => {
+  it('should return an error if the value is not a string', () => {
+    const result = emailValidator({
+      value: undefined,
+      path: 'email',
+    } as Parameters<ValidationFunc>[0]);
+
+    expect(result).toEqual({
+      code: 'ERR_NOT_STRING',
+      message: 'Value should be a string',
+      path: 'email',
+    });
+  });
+
+  it('should return an error if the value is not a valid email', () => {
+    const result = emailValidator({
+      value: 'invalid-email',
+      path: 'email',
+    } as Parameters<ValidationFunc>[0]);
+    expect(result).toEqual({
+      code: 'ERR_NOT_EMAIL',
+      message: 'Value should be an email',
+      path: 'email',
+    });
+  });
+
+  it('should return undefined if the value is a valid email', () => {
+    const result = emailValidator({
+      value: '[email protected]',
+      path: 'email',
+    } as Parameters<ValidationFunc>[0]);
+    expect(result).toBeUndefined();
+  });
+});
+
+describe('genericValidator', () => {
+  it('should return an error if the value is not a string', () => {
+    const result = genericValidator({
+      value: 123,
+      path: 'generic',
+    } as Parameters<ValidationFunc>[0]);
+    expect(result).toEqual({
+      code: 'ERR_NOT_STRING',
+      message: 'Value should be a string',
+      path: 'generic',
+    });
+  });
+
+  it('should return an error if the value is not valid', () => {
+    const result = genericValidator({
+      value: 'invalid value!',
+      path: 'generic',
+    } as Parameters<ValidationFunc>[0]);
+    expect(result).toEqual({
+      code: 'ERR_NOT_VALID',
+      message: 'Value is invalid',
+      path: 'generic',
+    });
+  });
+
+  it('should return undefined if the value is valid', () => {
+    const result = genericValidator({
+      value: 'valid_value',
+      path: 'generic',
+    } as Parameters<ValidationFunc>[0]);
+    expect(result).toBeUndefined();
+  });
+});

x-pack/plugins/cases/public/components/observables/fields_config.ts

@@ -20,13 +20,19 @@ export const normalizeValueType = (value: string): keyof typeof fieldsConfig.val
 const EMAIL_REGEX = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
 const GENERIC_REGEX = /^[a-zA-Z0-9._:/\\]+$/;
 
+const notStringError = (path: string) => ({
+  code: 'ERR_NOT_STRING',
+  message: 'Value should be a string',
+  path,
+});
+
 const { emptyField } = fieldValidators;
 
-const emailValidator: ValidationFunc = (...args: Parameters<ValidationFunc>) => {
+export const emailValidator: ValidationFunc = (...args: Parameters<ValidationFunc>) => {
   const [{ value, path }] = args;
 
   if (typeof value !== 'string') {
-    return emptyField('Value is required')(...args);
+    return notStringError(path);
   }
 
   if (!EMAIL_REGEX.test(value)) {
@@ -38,11 +44,11 @@ const emailValidator: ValidationFunc = (...args: Parameters<ValidationFunc>) =>
   }
 };
 
-const genericValidator: ValidationFunc = (...args: Parameters<ValidationFunc>) => {
+export const genericValidator: ValidationFunc = (...args: Parameters<ValidationFunc>) => {
   const [{ value, path }] = args;
 
   if (typeof value !== 'string') {
-    return emptyField('Value is required')(...args);
+    return notStringError(path);
   }
 
   if (!GENERIC_REGEX.test(value)) {