Added tests for select form field

Author: Said Shah

src/molecules/form-fields/select-form-field.test.tsx

@@ -1,9 +1,145 @@
-// import React from "react";
-// import { render } from "@testing-library/react";
-// import { SelectFormField } from "./select-form-field";
-// import faker from "faker";
-// import uuid from "uuid";
+import React from "react";
+import { render } from "@testing-library/react";
+import {
+    SelectFormField,
+    InvalidSelectFormValueClass,
+} from "./select-form-field";
+import faker from "faker";
+import uuid from "uuid";
 
 describe("SelectFormField", () => {
-    test.skip("TODO - https://github.com/AndcultureCode/AndcultureCode.JavaScript.React.Components/issues/26", () => {});
+    test("when default props, renders SelectFormField with label", () => {
+        // Arrange
+        const label = faker.random.words();
+        const selectLabel = faker.random.word();
+        const selectValue = faker.random.word();
+
+        // Act
+        const { getByText } = render(
+            <SelectFormField
+                onChange={() => {}}
+                label={label}
+                id={uuid()}
+                values={[{ value: selectValue, label: selectLabel }]}
+            />
+        );
+
+        // Assert
+        expect(getByText(label)).not.toBeNil();
+    });
+
+    test("when has errorsMessages prop, renders select form field with error message", () => {
+        // Arrange
+        const expected = faker.random.words();
+        const testErrorMessage = faker.random.words();
+        const selectLabel = faker.random.word();
+        const selectValue = faker.random.word();
+
+        // Act
+        const { getByText } = render(
+            <SelectFormField
+                label={expected}
+                onChange={() => {}}
+                id={uuid()}
+                errorMessages={[testErrorMessage]}
+                values={[{ value: selectValue, label: selectLabel }]}
+            />
+        );
+
+        // Assert
+        expect(getByText(testErrorMessage)).not.toBeNil();
+    });
+
+    test("when has errorsMessage prop, renders select form field with error message", () => {
+        // Arrange
+        const expected = faker.random.words();
+        const testErrorMessage = faker.random.words();
+        const selectLabel = faker.random.word();
+        const selectValue = faker.random.word();
+
+        // Act
+        const { getByText } = render(
+            <SelectFormField
+                label={expected}
+                onChange={() => {}}
+                id={uuid()}
+                errorMessage={testErrorMessage}
+                values={[{ value: selectValue, label: selectLabel }]}
+            />
+        );
+
+        // Assert
+        expect(getByText(testErrorMessage)).not.toBeNil();
+    });
+
+    test(`when isValid prop is false, renders with ${InvalidSelectFormValueClass} class name`, () => {
+        // Arrange
+        const label = faker.random.words();
+        const selectLabel = faker.random.word();
+        const selectValue = faker.random.word();
+
+        // Act
+        const { container } = render(
+            <SelectFormField
+                onChange={() => {}}
+                label={label}
+                isValid={false}
+                id={uuid()}
+                values={[{ value: selectValue, label: selectLabel }]}
+            />
+        );
+        const result = container.querySelector(
+            "." + InvalidSelectFormValueClass
+        );
+
+        // Assert
+        expect(result).not.toBeNil();
+    });
+
+    test(`when isValid prop is true, renders without ${InvalidSelectFormValueClass} class name`, () => {
+        // Arrange
+        const label = faker.random.words();
+        const selectLabel = faker.random.word();
+        const selectValue = faker.random.word();
+
+        // Act
+        const { container } = render(
+            <SelectFormField
+                onChange={() => {}}
+                label={label}
+                isValid={true}
+                id={uuid()}
+                values={[{ value: selectValue, label: selectLabel }]}
+            />
+        );
+        const result = container.querySelector(
+            "." + InvalidSelectFormValueClass
+        );
+
+        // Assert
+        expect(result).toBeNil();
+    });
+
+    test("when required prop set, renders with required text", () => {
+        // Arrange
+        const label = faker.random.words();
+        const requiredText = "*";
+        const selectLabel = faker.random.word();
+        const selectValue = faker.random.word();
+
+        // Act
+        const { container } = render(
+            <SelectFormField
+                onChange={() => {}}
+                label={label}
+                required={true}
+                id={uuid()}
+                values={[{ value: selectValue, label: selectLabel }]}
+            />
+        );
+        const htmlLabelTag = container.getElementsByTagName("label");
+
+        // Assert
+        expect(htmlLabelTag[0].textContent).toContain(requiredText);
+    });
 });

src/molecules/form-fields/select-form-field.tsx

@@ -8,6 +8,7 @@ import { StringUtils, CollectionUtils } from "andculturecode-javascript-core";
 // -----------------------------------------------------------------------------------------
 
 const COMPONENT_CLASS = "c-form-field";
+export const InvalidSelectFormValueClass = "-invalid";
 
 // #endregion Component
 
@@ -49,7 +50,7 @@ const SelectFormField: React.FC<SelectFormFieldProps> = (
         values,
     } = props;
 
-    const cssIsValid = isValid ? "" : "-invalid";
+    const cssIsValid = isValid ? "" : InvalidSelectFormValueClass;
     const fieldId = props.fieldId ?? uuid.v4();
     const hasErrorMessage = StringUtils.hasValue(errorMessage);
     const hasErrors = CollectionUtils.hasValues(errorMessages);