Add tests for parseInternalValue function

Author: rvsia

packages/common/src/test/select/parse-internal-value.test.js

@@ -0,0 +1,36 @@
+import { parseInternalValue } from '../../select';
+
+describe('parseInternalValue', () => {
+  let value;
+  let isMulti;
+
+  it('single', () => {
+    value = 'cats';
+    isMulti = undefined;
+    expect(parseInternalValue(value, isMulti)).toEqual('cats');
+  });
+
+  it('multi and array', () => {
+    value = ['cats', { value: 'dogs' }];
+    isMulti = true;
+    expect(parseInternalValue(value, isMulti)).toEqual(['cats', 'dogs']);
+  });
+
+  it('single and array', () => {
+    value = ['cats', { value: 'dogs' }];
+    isMulti = false;
+    expect(parseInternalValue(value, isMulti)).toEqual('cats');
+  });
+
+  it('single and array - object', () => {
+    value = [{ value: 'dogs' }];
+    isMulti = false;
+    expect(parseInternalValue(value, isMulti)).toEqual('dogs');
+  });
+
+  it('single and undefined', () => {
+    value = [];
+    isMulti = false;
+    expect(parseInternalValue(value, isMulti)).toEqual(undefined);
+  });
+});