diff --git a/striker-ui/components/InputWithRef.tsx b/striker-ui/components/InputWithRef.tsx
index 06b532b9..9e9995dc 100644
--- a/striker-ui/components/InputWithRef.tsx
+++ b/striker-ui/components/InputWithRef.tsx
@@ -1,9 +1,12 @@
+import { InputBaseProps } from '@mui/material';
 import {
   cloneElement,
   ForwardedRef,
   forwardRef,
   ReactElement,
+  useEffect,
   useImperativeHandle,
+  useMemo,
   useState,
 } from 'react';
 
@@ -11,16 +14,29 @@ import createInputOnChangeHandler, {
   CreateInputOnChangeHandlerOptions,
   MapToStateSetter,
 } from '../lib/createInputOnChangeHandler';
+import { createTestInputFunction } from '../lib/test_input';
+import useIsFirstRender from '../hooks/useIsFirstRender';
 
 type InputWithRefTypeMap = Pick<MapToType, 'number' | 'string'>;
 
-type InputWithRefOptionalProps<TypeName extends keyof InputWithRefTypeMap> = {
+type InputWithRefOptionalPropsWithDefault<
+  TypeName extends keyof InputWithRefTypeMap,
+> = {
   createInputOnChangeHandlerOptions?: Omit<
     CreateInputOnChangeHandlerOptions<TypeName>,
     'set'
   >;
+  required?: boolean;
   valueType?: TypeName | 'string';
 };
+type InputWithRefOptionalPropsWithoutDefault = {
+  inputTestBatch?: InputTestBatch;
+  onFirstRender?: (args: { isRequired: boolean }) => void;
+};
+
+type InputWithRefOptionalProps<TypeName extends keyof InputWithRefTypeMap> =
+  InputWithRefOptionalPropsWithDefault<TypeName> &
+    InputWithRefOptionalPropsWithoutDefault;
 
 type InputWithRefProps<
   TypeName extends keyof InputWithRefTypeMap,
@@ -32,18 +48,22 @@ type InputWithRefProps<
 type InputForwardedRefContent<TypeName extends keyof InputWithRefTypeMap> = {
   getIsChangedByUser?: () => boolean;
   getValue?: () => InputWithRefTypeMap[TypeName];
+  isValid?: () => boolean;
   setValue?: MapToStateSetter[TypeName];
 };
 
+const INPUT_TEST_ID = 'input';
 const MAP_TO_INITIAL_VALUE: InputWithRefTypeMap = {
   number: 0,
   string: '',
 };
 
 const INPUT_WITH_REF_DEFAULT_PROPS: Required<
-  InputWithRefOptionalProps<'string'>
-> = {
+  InputWithRefOptionalPropsWithDefault<'string'>
+> &
+  InputWithRefOptionalPropsWithoutDefault = {
   createInputOnChangeHandlerOptions: {},
+  required: false,
   valueType: 'string',
 };
 
@@ -58,18 +78,67 @@ const InputWithRef = forwardRef(
         ...restCreateInputOnChangeHandlerOptions
       } = INPUT_WITH_REF_DEFAULT_PROPS.createInputOnChangeHandlerOptions,
       input,
+      inputTestBatch,
+      onFirstRender,
+      required: isRequired = INPUT_WITH_REF_DEFAULT_PROPS.required,
       valueType = INPUT_WITH_REF_DEFAULT_PROPS.valueType,
     }: InputWithRefProps<TypeName, InputComponent>,
     ref: ForwardedRef<InputForwardedRefContent<TypeName>>,
   ) => {
     const {
-      props: { onChange: initOnChange, value: initValue, ...restInitProps },
+      props: {
+        onBlur: initOnBlur,
+        onChange: initOnChange,
+        onFocus: initOnFocus,
+        value: initValue = MAP_TO_INITIAL_VALUE[valueType],
+        ...restInitProps
+      },
     } = input;
 
-    const [value, setValue] = useState<InputWithRefTypeMap[TypeName]>(
-      initValue ?? MAP_TO_INITIAL_VALUE[valueType],
+    const isFirstRender = useIsFirstRender();
+
+    const [inputValue, setInputValue] = useState<InputWithRefTypeMap[TypeName]>(
+      initValue,
     ) as [InputWithRefTypeMap[TypeName], MapToStateSetter[TypeName]];
     const [isChangedByUser, setIsChangedByUser] = useState<boolean>(false);
+    const [isInputValid, setIsInputValid] = useState<boolean>(false);
+
+    const testInput: TestInputFunction | undefined = useMemo(() => {
+      let result;
+
+      if (inputTestBatch) {
+        inputTestBatch.isRequired = isRequired;
+
+        result = createTestInputFunction({
+          [INPUT_TEST_ID]: inputTestBatch,
+        });
+      }
+
+      return result;
+    }, [inputTestBatch, isRequired]);
+
+    const onBlur = useMemo<InputBaseProps['onBlur']>(
+      () =>
+        initOnBlur ??
+        (testInput &&
+          (({ target: { value } }) => {
+            const isValid = testInput({
+              inputs: { [INPUT_TEST_ID]: { value } },
+            });
+
+            setIsInputValid(isValid);
+          })),
+      [initOnBlur, testInput],
+    );
+    const onFocus = useMemo<InputBaseProps['onFocus']>(
+      () =>
+        initOnFocus ??
+        (inputTestBatch &&
+          (() => {
+            inputTestBatch.defaults?.onSuccess?.call(null, { append: {} });
+          })),
+      [initOnFocus, inputTestBatch],
+    );
 
     const onChange = createInputOnChangeHandler<TypeName>({
       postSet: (...args) => {
@@ -77,22 +146,36 @@ const InputWithRef = forwardRef(
         initOnChange?.call(null, ...args);
         postSetAppend?.call(null, ...args);
       },
-      set: setValue,
+      set: setInputValue,
       setType: valueType,
       ...restCreateInputOnChangeHandlerOptions,
     });
 
+    useEffect(() => {
+      if (isFirstRender) {
+        onFirstRender?.call(null, { isRequired });
+      }
+    }, [isFirstRender, isRequired, onFirstRender]);
+
     useImperativeHandle(
       ref,
       () => ({
         getIsChangedByUser: () => isChangedByUser,
-        getValue: () => value,
-        setValue,
+        getValue: () => inputValue,
+        isValid: () => isInputValid,
+        setValue: setInputValue,
       }),
-      [isChangedByUser, value],
+      [inputValue, isChangedByUser, isInputValid],
     );
 
-    return cloneElement(input, { ...restInitProps, onChange, value });
+    return cloneElement(input, {
+      ...restInitProps,
+      onBlur,
+      onChange,
+      onFocus,
+      required: isRequired,
+      value: inputValue,
+    });
   },
 );