more tests

Author: silviuaavram

src/hooks/utils-ts/__tests__/getDefaultValue.test.ts

@@ -1,14 +1,25 @@
-import { getDefaultValue } from "../getDefaultValue";
+import {getDefaultValue} from '../getDefaultValue'
 
 test('getDefaultValue returns defaultStateValue when defaultProp is undefined', () => {
-  const defaultStateValue = 'defaultState';
-  const result = getDefaultValue(undefined, defaultStateValue);
-  expect(result).toBe(defaultStateValue);
-});
+  const defaultStateValue = 'defaultState'
+  const result = getDefaultValue(undefined, defaultStateValue)
+  expect(result).toBe(defaultStateValue)
+})
 
 test('getDefaultValue returns defaultProp when it is defined', () => {
-  const defaultProp = 'defaultProp';
-  const defaultStateValue = 'defaultState';
-  const result = getDefaultValue(defaultProp, defaultStateValue);
-  expect(result).toBe(defaultProp);
-});
+  const defaultProp = 'defaultProp'
+  const defaultStateValue = 'defaultState'
+  const result = getDefaultValue(defaultProp, defaultStateValue)
+  expect(result).toBe(defaultProp)
+})
+
+test('getDefaultValue returns defaultProp even when is null', () => {
+  const defaultStateValue = 'defaultState'
+  const result = getDefaultValue(null, defaultStateValue)
+  expect(result).toBe(null)
+})
+
+test('getDefaultValue returns defaultStateValue even when null', () => {
+  const result = getDefaultValue(undefined, null)
+  expect(result).toBe(null)
+})

src/hooks/utils-ts/__tests__/getInitialValue.test.ts

@@ -43,3 +43,37 @@ test('getInitialValue will return the defaultStateValue if value, initialValue a
 
   expect(value).toBe('defaultStateValue')
 })
+
+test("getInitialValue will return the controlled value even if it's null", () => {
+  const value = getInitialValue(
+    null,
+    'initialValue',
+    'defaultValue',
+    'defaultStateValue',
+  )
+
+  expect(value).toBe(null)
+})
+
+test('getInitialValue will return the initialValue if value is null', () => {
+  const value = getInitialValue(
+    undefined,
+    null,
+    'defaultValue',
+    'defaultStateValue',
+  )
+
+  expect(value).toBe(null)
+})
+
+test('getInitialValue will return the defaultValue if value and initialValue are null', () => {
+  const value = getInitialValue(undefined, undefined, null, 'defaultStateValue')
+
+  expect(value).toBe(null)
+})
+
+test('getInitialValue will return the defaultStateValue if value, initialValue and defaultValue are null', () => {
+  const value = getInitialValue(undefined, undefined, undefined, null)
+
+  expect(value).toBe(null)
+})