Add tests for molecules input form field

src/atoms/buttons/button.tsx

@@ -3,6 +3,7 @@ import { ButtonStyles } from "../constants/button-styles";
 import { ButtonTypes } from "../constants/button-types";
 import React, { forwardRef } from "react";
 import { StringUtils } from "andculturecode-javascript-core";
+import { AccessibilityLabels } from "../../enums/accessibility-labels";
 
 // -----------------------------------------------------------------------------------------
 // #region Interfaces
@@ -84,7 +85,9 @@ const Button: React.RefForwardingComponent<
             {children}
             {accessibleText != null && (
                 // if
-                <span className="sr-only">{accessibleText}</span>
+                <span className={AccessibilityLabels.ScreenReadersOnlyClass}>
+                    {accessibleText}
+                </span>
             )}
         </button>
     );

src/enums/accessibility-labels.ts

@@ -0,0 +1,3 @@
+export enum AccessibilityLabels {
+    ScreenReadersOnlyClass = "sr-only",
+}

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

@@ -1,7 +1,8 @@
 import React from "react";
-import { render } from "@testing-library/react";
-import { InputFormField } from "./input-form-field";
+import { render, fireEvent } from "@testing-library/react";
+import { InputFormField, InputFormFieldInvalidClass } from "./input-form-field";
 import faker from "faker";
+import { AccessibilityLabels } from "../../enums/accessibility-labels";
 
 describe("InputFormField", () => {
     test("when default props, renders input with label", () => {
@@ -16,4 +17,132 @@ describe("InputFormField", () => {
         // Assert
         expect(getByLabelText(expected)).not.toBeNull();
     });
+
+    test("when errorsMessages prop set, renders with error messages", () => {
+        // Arrange
+        const errorMessages = [faker.random.words(), faker.random.words()];
+        const label = faker.random.words();
+
+        // Act
+        const { getByText } = render(
+            <InputFormField
+                errorMessages={errorMessages}
+                label={label}
+                onChange={() => {}}
+            />
+        );
+
+        // Assert
+        expect(getByText(errorMessages[0])).not.toBeNil();
+        expect(getByText(errorMessages[1])).not.toBeNil();
+    });
+
+    test("when errorsMessage prop set, renders with error message", () => {
+        // Arrange
+        const label = faker.random.words();
+        const testErrorMessage = faker.random.words();
+
+        // Act
+        const { getByText } = render(
+            <InputFormField
+                errorMessage={testErrorMessage}
+                label={label}
+                onChange={() => {}}
+            />
+        );
+
+        // Assert
+        expect(getByText(testErrorMessage)).not.toBeNil();
+    });
+
+    test(`when isValid prop set to false, renders with ${InputFormFieldInvalidClass} class name`, () => {
+        // Arrange
+        const label = faker.random.words();
+
+        // Act
+        const { container } = render(
+            <InputFormField isValid={false} label={label} onChange={() => {}} />
+        );
+        const result = container.getElementsByClassName(
+            InputFormFieldInvalidClass
+        );
+
+        // Assert
+        expect(result).toHaveLength(1);
+    });
+
+    test(`when isValid prop set to true, renders without ${InputFormFieldInvalidClass} class name`, () => {
+        // Arrange
+        const label = faker.random.words();
+
+        // Act
+        const { container } = render(
+            <InputFormField isValid={true} label={label} onChange={() => {}} />
+        );
+        const result = container.getElementsByClassName(
+            InputFormFieldInvalidClass
+        );
+
+        // Assert
+        expect(result).toHaveLength(0);
+    });
+
+    test("when required prop set, renders with required text", () => {
+        // Arrange
+        const label = faker.random.words();
+        const requiredText = "*";
+
+        // Act
+        const { container } = render(
+            <InputFormField label={label} onChange={() => {}} required={true} />
+        );
+        const htmlLabelTag = container.getElementsByTagName("label");
+
+        // Assert
+        expect(htmlLabelTag[0].textContent).toContain(requiredText);
+    });
+
+    test(`when showLabelForScreenReadersOnly prop set, renders with ${AccessibilityLabels.ScreenReadersOnlyClass} class name`, () => {
+        // Arrange
+        const label = faker.random.words();
+
+        // Act
+        const { container } = render(
+            <InputFormField
+                label={label}
+                onChange={() => {}}
+                showLabelForScreenReadersOnly={true}
+            />
+        );
+        const htmlLabelTag = container.getElementsByTagName("span");
+
+        // Assert
+        expect(htmlLabelTag[0].classList).toContain(
+            AccessibilityLabels.ScreenReadersOnlyClass
+        );
+    });
+
+    test("when onChange set, calls handler upon change", () => {
+        // Arrange
+        let isChecked = false;
+        const label = faker.random.word();
+        const handleChange = () => (isChecked = true);
+        const inputTestId = "inputTestId";
+
+        // Act
+        const { getByTestId } = render(
+            <InputFormField
+                inputTestId={inputTestId}
+                label={label}
+                onChange={handleChange}
+            />
+        );
+
+        fireEvent.change(getByTestId(inputTestId), {
+            target: { value: faker.random.word() },
+        });
+
+        // Assert
+        expect(isChecked).toBeTrue();
+    });
 });

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

@@ -1,5 +1,6 @@
 import React, { forwardRef, Ref, RefObject } from "react";
 import uuid from "uuid";
+import { AccessibilityLabels } from "../../enums/accessibility-labels";
 import { CollectionUtils, StringUtils } from "andculturecode-javascript-core";
 import { InputCharacterCount } from "../../atoms/forms/input-character-count";
 import { InputTypes } from "../../atoms/constants/input-types";
@@ -10,6 +11,7 @@ import { InputProperties } from "../../atoms/interfaces/input-properties";
 // -----------------------------------------------------------------------------------------
 
 const COMPONENT_CLASS = "c-form-field";
+export const InputFormFieldInvalidClass = "-invalid";
 
 // #endregion Constants
 
@@ -64,14 +66,17 @@ const InputFormField: React.RefForwardingComponent<
         value,
     } = props;
 
-    const cssIsValid = isValid ? "" : "-invalid";
+    const cssIsValid = isValid ? "" : InputFormFieldInvalidClass;
     const fieldId = props.fieldId ?? uuid.v4();
 
     return (
         <div className={`${COMPONENT_CLASS} ${cssIsValid}`}>
             <label htmlFor={fieldId}>
                 {showLabelForScreenReadersOnly ? (
-                    <span className="sr-only">{label}</span>
+                    <span
+                        className={AccessibilityLabels.ScreenReadersOnlyClass}>
+                        {label}
+                    </span>
                 ) : (
                     <React.Fragment>{label}</React.Fragment>
                 )}
@@ -82,7 +87,7 @@ const InputFormField: React.RefForwardingComponent<
                 )}
             </label>
             <input
-                data-test-id={inputTestId}
+                data-testid={inputTestId}
                 disabled={disabled}
                 id={fieldId}
                 placeholder={placeholder}