Toggle component with storybook and testing

app/components/Toggle.js

@@ -0,0 +1,194 @@
+import React, { memo, useCallback, useId, forwardRef } from "react";
+
+const Toggle = forwardRef(
+  (
+    {
+      label,
+      checked = false,
+      onChange,
+      onFocus,
+      onBlur,
+      disabled = false,
+      state = "default",
+      showIcon = false,
+      showText = false,
+      icon = "I",
+      text = "Toggle",
+      className = "",
+      ...props
+    },
+    ref
+  ) => {
+    const toggleId = useId();
+    const labelId = useId();
+
+    // Size styles - single size with specific dimensions
+    const sizeStyles = {
+      toggle: "h-[var(--measures-sizing-032)] px-[16px] py-[8px] gap-[4px]",
+      label: "text-[12px] leading-[16px]",
+    };
+
+    // State styles
+    const getStateStyles = () => {
+      if (disabled) {
+        return {
+          toggle:
+            "bg-[var(--color-surface-default-tertiary)] text-[var(--color-content-default-tertiary)] cursor-not-allowed",
+          label: "text-[var(--color-content-default-secondary)]",
+        };
+      }
+
+      if (checked) {
+        switch (state) {
+          case "hover":
+            return {
+              toggle:
+                "bg-[var(--color-surface-default-secondary)] text-[var(--color-content-default-primary)]",
+              label: "text-[var(--color-content-default-secondary)]",
+            };
+          case "focus":
+            return {
+              toggle:
+                "bg-[var(--color-surface-default-primary)] text-[var(--color-content-default-primary)] shadow-[0_0_5px_1px_#3281F8]",
+              label: "text-[var(--color-content-default-secondary)]",
+            };
+          default:
+            return {
+              toggle:
+                "bg-[var(--color-magenta-magenta100)] text-[var(--color-content-default-primary)] shadow-[0_0_0_1px_var(--color-border-default-brand-primary)]",
+              label: "text-[var(--color-content-default-secondary)]",
+            };
+        }
+      } else {
+        switch (state) {
+          case "hover":
+            return {
+              toggle:
+                "bg-[var(--color-surface-default-secondary)] text-[var(--color-content-default-primary)]",
+              label: "text-[var(--color-content-default-secondary)]",
+            };
+          case "focus":
+            return {
+              toggle:
+                "bg-[var(--color-surface-default-primary)] text-[var(--color-content-default-primary)] shadow-[0_0_5px_1px_#3281F8]",
+              label: "text-[var(--color-content-default-secondary)]",
+            };
+          default:
+            return {
+              toggle:
+                "bg-[var(--color-surface-default-primary)] text-[var(--color-content-default-primary)]",
+              label: "text-[var(--color-content-default-secondary)]",
+            };
+        }
+      }
+    };
+
+    const stateStyles = getStateStyles();
+    const currentSize = sizeStyles;
+
+    // Container classes
+    const containerClasses = "flex flex-col gap-[4px]";
+
+    const labelClasses = `${currentSize.label} font-inter font-medium`;
+
+    const toggleClasses = `
+      ${currentSize.toggle}
+      ${stateStyles.toggle}
+      rounded-full
+      font-inter
+      font-normal
+      text-[12px]
+      leading-[16px]
+      cursor-pointer
+      transition-all
+      duration-200
+      focus:outline-none
+      focus-visible:shadow-[0_0_5px_1px_#3281F8]
+      ${!checked ? "hover:!bg-[var(--color-surface-default-secondary)]" : ""}
+      flex
+      items-center
+      justify-center
+      gap-[4px]
+      ${className}
+    `
+      .trim()
+      .replace(/\s+/g, " ");
+
+    const handleChange = useCallback(
+      (e) => {
+        if (!disabled && onChange) {
+          onChange(e);
+        }
+      },
+      [disabled, onChange]
+    );
+
+    const handleFocus = useCallback(
+      (e) => {
+        if (!disabled && onFocus) {
+          onFocus(e);
+        }
+      },
+      [disabled, onFocus]
+    );
+
+    const handleBlur = useCallback(
+      (e) => {
+        if (!disabled && onBlur) {
+          onBlur(e);
+        }
+      },
+      [disabled, onBlur]
+    );
+
+    const handleKeyDown = useCallback(
+      (e) => {
+        if (!disabled && (e.key === "Enter" || e.key === " ")) {
+          e.preventDefault();
+          if (onChange) {
+            onChange(e);
+          }
+        }
+      },
+      [disabled, onChange]
+    );
+
+    return (
+      <div className={containerClasses}>
+        {label && (
+          <label
+            id={labelId}
+            htmlFor={toggleId}
+            className={`${labelClasses} text-[var(--color-content-default-secondary)]`}
+          >
+            {label}
+          </label>
+        )}
+        <div className={disabled ? "opacity-40" : ""}>
+          <button
+            ref={ref}
+            id={toggleId}
+            type="button"
+            role="switch"
+            aria-checked={checked}
+            aria-labelledby={label ? labelId : undefined}
+            disabled={disabled}
+            onClick={handleChange}
+            onKeyDown={handleKeyDown}
+            onFocus={handleFocus}
+            onBlur={handleBlur}
+            className={toggleClasses}
+            {...props}
+          >
+            {showIcon && <span className="italic">{icon}</span>}
+            {showText && <span>{text}</span>}
+          </button>
+        </div>
+      </div>
+    );
+  }
+);
+
+Toggle.displayName = "Toggle";
+
+export default memo(Toggle);

app/forms/page.js

@@ -1,111 +1,96 @@
 "use client";
 
 import React, { useState } from "react";
-import TextArea from "../components/TextArea";
+import Toggle from "../components/Toggle";
 
 export default function FormsPlayground() {
-  const [smallValue, setSmallValue] = useState("");
+  const [toggleStates, setToggleStates] = useState({
-  const [mediumValue, setMediumValue] = useState("");
+    default: false,
-  const [largeValue, setLargeValue] = useState("");
+    hover: false,
-  const [defaultLabelValue, setDefaultLabelValue] = useState("");
+    selected: true,
-  const [horizontalLabelValue, setHorizontalLabelValue] = useState("");
+    focus: false,
-  const [smallHorizontalValue, setSmallHorizontalValue] = useState("");
+    disabled: false,
-  const [smallDefaultValue, setSmallDefaultValue] = useState("");
+    icon: false,
-  const [errorStateValue, setErrorStateValue] = useState("");
+    text: false,
-  const [disabledStateValue, setDisabledStateValue] = useState("");
+    both: false,
+  });
+
+  const handleToggleChange = (key) => (e) => {
+    setToggleStates((prev) => ({
+      ...prev,
+      [key]: !prev[key],
+    }));
+  };
 
   return (
     <div className="p-[24px] space-y-[24px]">
       <h1 className="font-bricolage text-[24px]">Forms Playground</h1>
 
       <section className="space-y-[12px]">
-        <h2 className="font-space text-[18px]">TextArea Examples</h2>
+        <h2 className="font-space text-[18px]">Toggle Examples</h2>
-        <div className="max-w-[520px] space-y-[16px]">
+        <div
-          <div>
+          className="max-w-[520px] space-y-[16px] bg-white p-6 rounded-lg border border-gray-200 shadow-lg"
-            <h3 className="font-space text-[14px] mb-[8px]">Sizes</h3>
+          //style={{ backgroundColor: "white" }}
-            <div className="space-y-[12px]">
+        >
-              <TextArea
-                label="Small"
-                size="small"
-                value={smallValue}
-                onChange={(e) => setSmallValue(e.target.value)}
-                placeholder="Enter text..."
-              />
-              <TextArea
-                label="Medium"
-                size="medium"
-                value={mediumValue}
-                onChange={(e) => setMediumValue(e.target.value)}
-                placeholder="Enter text..."
-              />
-              <TextArea
-                label="Large"
-                size="large"
-                value={largeValue}
-                onChange={(e) => setLargeValue(e.target.value)}
-                placeholder="Enter text..."
-              />
-            </div>
-          </div>
-
-          <div>
-            <h3 className="font-space text-[14px] mb-[8px]">Label Variants</h3>
-            <div className="space-y-[12px]">
-              <TextArea
-                label="Default (Top Label)"
-                labelVariant="default"
-                size="medium"
-                value={defaultLabelValue}
-                onChange={(e) => setDefaultLabelValue(e.target.value)}
-                placeholder="Enter text..."
-              />
-              <TextArea
-                label="Small Default"
-                labelVariant="default"
-                size="small"
-                value={smallDefaultValue}
-                onChange={(e) => setSmallDefaultValue(e.target.value)}
-                placeholder="Enter text..."
-              />
-              <TextArea
-                label="Horizontal (Left Label)"
-                labelVariant="horizontal"
-                size="medium"
-                value={horizontalLabelValue}
-                onChange={(e) => setHorizontalLabelValue(e.target.value)}
-                placeholder="Enter text..."
-              />
-              <TextArea
-                label="Small Horizontal"
-                labelVariant="horizontal"
-                size="small"
-                value={smallHorizontalValue}
-                onChange={(e) => setSmallHorizontalValue(e.target.value)}
-                placeholder="Enter text..."
-              />
-            </div>
-          </div>
-
           <div>
             <h3 className="font-space text-[14px] mb-[8px]">States</h3>
             <div className="space-y-[12px]">
-              <TextArea
+              <Toggle
-                label="Error"
+                label="Default State"
-                size="medium"
+                checked={toggleStates.default}
-                state="default"
+                onChange={handleToggleChange("default")}
-                error={true}
-                value={errorStateValue}
-                onChange={(e) => setErrorStateValue(e.target.value)}
-                placeholder="Enter text..."
               />
-              <TextArea
+              <Toggle
-                label="Disabled"
+                label="Hover State"
-                size="medium"
+                checked={toggleStates.hover}
-                state="default"
+                onChange={handleToggleChange("hover")}
-                disabled={true}
+                state="hover"
-                value={disabledStateValue}
+              />
-                onChange={(e) => setDisabledStateValue(e.target.value)}
+              <Toggle
-                placeholder="Enter text..."
+                label="Selected State"
+                checked={toggleStates.selected}
+                onChange={handleToggleChange("selected")}
+              />
+              <Toggle
+                label="Focus State"
+                checked={toggleStates.focus}
+                onChange={handleToggleChange("focus")}
+                state="focus"
+              />
+              <Toggle
+                label="Disabled State"
+                checked={toggleStates.disabled}
+                onChange={handleToggleChange("disabled")}
+                disabled
+              />
+            </div>
+          </div>
+
+          <div>
+            <h3 className="font-space text-[14px] mb-[8px]">Content Types</h3>
+            <div className="space-y-[12px]">
+              <Toggle
+                label="Icon Only"
+                checked={toggleStates.icon}
+                onChange={handleToggleChange("icon")}
+                showIcon={true}
+                icon="I"
+              />
+              <Toggle
+                label="Text Only"
+                checked={toggleStates.text}
+                onChange={handleToggleChange("text")}
+                showText={true}
+                text="Toggle"
+              />
+              <Toggle
+                label="Icon and Text"
+                checked={toggleStates.both}
+                onChange={handleToggleChange("both")}
+                showIcon={true}
+                showText={true}
+                icon="I"
+                text="Toggle"
               />
             </div>
           </div>

stories/Toggle.stories.js

@@ -0,0 +1,122 @@
+import React from "react";
+import Toggle from "../app/components/Toggle";
+
+export default {
+  title: "Forms/Toggle",
+  component: Toggle,
+  parameters: {
+    layout: "centered",
+  },
+  argTypes: {
+    state: {
+      control: { type: "select" },
+      options: ["default", "hover", "focus"],
+    },
+    disabled: {
+      control: { type: "boolean" },
+    },
+    checked: {
+      control: { type: "boolean" },
+    },
+    showIcon: {
+      control: { type: "boolean" },
+    },
+    showText: {
+      control: { type: "boolean" },
+    },
+  },
+};
+
+const Template = (args) => <Toggle {...args} />;
+
+export const States = () => (
+  <div className="space-y-6">
+    <div className="space-y-4">
+      <h3 className="text-lg font-semibold">Toggle States</h3>
+      <div className="space-y-4">
+        <Toggle label="Default State" checked={false} />
+        <Toggle label="Hover State" checked={false} state="hover" />
+        <Toggle label="Selected State" checked={true} />
+        <Toggle label="Focus State" checked={false} state="focus" />
+        <Toggle label="Disabled State" checked={false} disabled />
+      </div>
+    </div>
+  </div>
+);
+
+export const WithText = Template.bind({});
+WithText.args = {
+  label: "Text Toggle",
+  checked: false,
+  showText: true,
+  text: "Toggle",
+};
+
+export const WithIcon = Template.bind({});
+WithIcon.args = {
+  label: "Icon Toggle",
+  checked: false,
+  showIcon: true,
+  icon: "I",
+};
+
+export const Interactive = () => {
+  const [checked, setChecked] = React.useState(false);
+  const [state, setState] = React.useState("default");
+  const [disabled, setDisabled] = React.useState(false);
+
+  return (
+    <div className="space-y-6">
+      <div className="space-y-4">
+        <h3 className="text-lg font-semibold">Interactive Toggle</h3>
+        <div className="space-y-4">
+          <Toggle
+            label="Interactive Toggle"
+            checked={checked}
+            onChange={() => setChecked(!checked)}
+            state={state}
+            disabled={disabled}
+          />
+        </div>
+      </div>
+      <div className="space-y-4">
+        <h4 className="text-md font-semibold">Controls</h4>
+        <div className="space-y-2">
+          <div className="flex items-center space-x-2">
+            <input
+              type="checkbox"
+              id="checked"
+              checked={checked}
+              onChange={(e) => setChecked(e.target.checked)}
+            />
+            <label htmlFor="checked" className="text-sm">
+              Checked
+            </label>
+          </div>
+          <div>
+            <label className="block text-sm font-medium mb-1">State:</label>
+            <select
+              value={state}
+              onChange={(e) => setState(e.target.value)}
+              className="px-3 py-1 border border-gray-300 rounded"
+            >
+              <option value="default">Default</option>
+              <option value="focus">Focus</option>
+            </select>
+          </div>
+          <div className="flex items-center space-x-2">
+            <input
+              type="checkbox"
+              id="disabled"
+              checked={disabled}
+              onChange={(e) => setDisabled(e.target.checked)}
+            />
+            <label htmlFor="disabled" className="text-sm">
+              Disabled
+            </label>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+};

tests/accessibility/Toggle.a11y.test.jsx

@@ -0,0 +1,112 @@
+import { expect, test, describe, it, vi } from "vitest";
+import { render, screen, fireEvent } from "@testing-library/react";
+import { axe, toHaveNoViolations } from "jest-axe";
+import Toggle from "../../app/components/Toggle";
+
+expect.extend(toHaveNoViolations);
+
+describe("Toggle Accessibility", () => {
+  test("has proper ARIA attributes", () => {
+    render(<Toggle label="Test Toggle" />);
+
+    const toggle = screen.getByRole("switch");
+    expect(toggle).toHaveAttribute("aria-checked", "false");
+    expect(toggle).toHaveAttribute("type", "button");
+  });
+
+  test("has proper ARIA attributes when checked", () => {
+    render(<Toggle label="Test Toggle" checked={true} />);
+
+    const toggle = screen.getByRole("switch");
+    expect(toggle).toHaveAttribute("aria-checked", "true");
+  });
+
+  test("has proper ARIA attributes when disabled", () => {
+    render(<Toggle label="Test Toggle" disabled={true} />);
+
+    const toggle = screen.getByRole("switch");
+    expect(toggle).toHaveAttribute("disabled");
+  });
+
+  test("has proper label association", () => {
+    render(<Toggle label="Test Toggle" />);
+
+    const toggle = screen.getByRole("switch");
+    const label = screen.getByText("Test Toggle");
+
+    expect(toggle).toBeInTheDocument();
+    expect(label).toBeInTheDocument();
+  });
+
+  test("handles keyboard navigation", () => {
+    const handleChange = vi.fn();
+    render(<Toggle label="Test Toggle" onChange={handleChange} />);
+
+    const toggle = screen.getByRole("switch");
+    toggle.focus();
+    expect(toggle).toHaveFocus();
+
+    fireEvent.keyDown(toggle, { key: "Enter" });
+    expect(handleChange).toHaveBeenCalledTimes(1);
+
+    fireEvent.keyDown(toggle, { key: " " });
+    expect(handleChange).toHaveBeenCalledTimes(2);
+  });
+
+  test("handles disabled state accessibility", () => {
+    const handleChange = vi.fn();
+    render(
+      <Toggle label="Test Toggle" disabled={true} onChange={handleChange} />
+    );
+
+    const toggle = screen.getByRole("switch");
+    expect(toggle).toHaveAttribute("disabled");
+    expect(toggle).toHaveClass("cursor-not-allowed");
+
+    fireEvent.click(toggle);
+    expect(handleChange).not.toHaveBeenCalled();
+  });
+
+  test("handles focus state accessibility", () => {
+    render(<Toggle label="Test Toggle" />);
+
+    const toggle = screen.getByRole("switch");
+    expect(toggle).toHaveClass("focus-visible:shadow-[0_0_5px_1px_#3281F8]");
+  });
+
+  test("has no accessibility violations", async () => {
+    const { container } = render(<Toggle label="Test Toggle" />);
+    const results = await axe(container);
+    expect(results).toHaveNoViolations();
+  });
+
+  test("has no accessibility violations when checked", async () => {
+    const { container } = render(<Toggle label="Test Toggle" checked={true} />);
+    const results = await axe(container);
+    expect(results).toHaveNoViolations();
+  });
+
+  test("has no accessibility violations when disabled", async () => {
+    const { container } = render(
+      <Toggle label="Test Toggle" disabled={true} />
+    );
+    const results = await axe(container);
+    expect(results).toHaveNoViolations();
+  });
+
+  test("has no accessibility violations with icon", async () => {
+    const { container } = render(
+      <Toggle label="Test Toggle" showIcon={true} icon="I" />
+    );
+    const results = await axe(container);
+    expect(results).toHaveNoViolations();
+  });
+
+  test("has no accessibility violations with text", async () => {
+    const { container } = render(
+      <Toggle label="Test Toggle" showText={true} text="Toggle" />
+    );
+    const results = await axe(container);
+    expect(results).toHaveNoViolations();
+  });
+});

tests/integration/Toggle.integration.test.jsx

@@ -0,0 +1,185 @@
+import React from "react";
+import { expect, test, describe, it, vi } from "vitest";
+import { render, screen, fireEvent } from "@testing-library/react";
+import userEvent from "@testing-library/user-event";
+import Toggle from "../../app/components/Toggle";
+
+describe("Toggle Integration", () => {
+  test("handles form submission", () => {
+    const handleSubmit = vi.fn();
+
+    render(
+      <form onSubmit={handleSubmit}>
+        <Toggle label="Test Toggle" name="toggle" />
+        <button type="submit">Submit</button>
+      </form>
+    );
+
+    const toggle = screen.getByRole("switch", { name: "Test Toggle" });
+    const submitButton = screen.getByRole("button", { name: "Submit" });
+
+    fireEvent.click(toggle);
+    fireEvent.click(submitButton);
+
+    expect(handleSubmit).toHaveBeenCalledTimes(1);
+  });
+
+  test("handles keyboard navigation between toggles", async () => {
+    const user = userEvent.setup();
+
+    render(
+      <div>
+        <Toggle label="First Toggle" />
+        <Toggle label="Second Toggle" />
+        <Toggle label="Third Toggle" />
+      </div>
+    );
+
+    const firstToggle = screen.getByRole("switch", { name: "First Toggle" });
+    const secondToggle = screen.getByRole("switch", { name: "Second Toggle" });
+    const thirdToggle = screen.getByRole("switch", { name: "Third Toggle" });
+
+    await user.tab();
+    expect(firstToggle).toHaveFocus();
+
+    await user.tab();
+    expect(secondToggle).toHaveFocus();
+
+    await user.tab();
+    expect(thirdToggle).toHaveFocus();
+  });
+
+  test("handles dynamic prop changes", () => {
+    const { rerender } = render(<Toggle label="Test Toggle" checked={false} />);
+
+    let toggle = screen.getByRole("switch");
+    expect(toggle).toHaveAttribute("aria-checked", "false");
+
+    rerender(<Toggle label="Test Toggle" checked={true} />);
+    toggle = screen.getByRole("switch");
+    expect(toggle).toHaveAttribute("aria-checked", "true");
+
+    rerender(<Toggle label="Test Toggle" disabled={true} />);
+    toggle = screen.getByRole("switch");
+    expect(toggle).toHaveAttribute("disabled");
+  });
+
+  test("handles multiple toggles in form", () => {
+    const handleChange1 = vi.fn();
+    const handleChange2 = vi.fn();
+
+    render(
+      <div>
+        <Toggle label="First Toggle" onChange={handleChange1} />
+        <Toggle label="Second Toggle" onChange={handleChange2} />
+      </div>
+    );
+
+    const firstToggle = screen.getByRole("switch", { name: "First Toggle" });
+    const secondToggle = screen.getByRole("switch", { name: "Second Toggle" });
+
+    fireEvent.click(firstToggle);
+    expect(handleChange1).toHaveBeenCalledTimes(1);
+    expect(handleChange2).not.toHaveBeenCalled();
+
+    fireEvent.click(secondToggle);
+    expect(handleChange2).toHaveBeenCalledTimes(1);
+    expect(handleChange1).toHaveBeenCalledTimes(1);
+  });
+
+  test("handles state changes", () => {
+    const { rerender } = render(<Toggle label="Test Toggle" state="default" />);
+
+    let toggle = screen.getByRole("switch");
+    expect(toggle).not.toHaveClass("shadow-[0_0_5px_1px_#3281F8]");
+
+    rerender(<Toggle label="Test Toggle" state="focus" />);
+    toggle = screen.getByRole("switch");
+    expect(toggle).toHaveClass("shadow-[0_0_5px_1px_#3281F8]");
+  });
+
+  test("handles content changes", () => {
+    const { rerender } = render(<Toggle label="Test Toggle" />);
+
+    let toggle = screen.getByRole("switch");
+    expect(toggle).not.toHaveTextContent("I");
+    expect(toggle).not.toHaveTextContent("Toggle");
+
+    rerender(<Toggle label="Test Toggle" showIcon={true} icon="I" />);
+    toggle = screen.getByRole("switch");
+    expect(toggle).toHaveTextContent("I");
+
+    rerender(<Toggle label="Test Toggle" showText={true} text="Toggle" />);
+    toggle = screen.getByRole("switch");
+    expect(toggle).toHaveTextContent("Toggle");
+
+    rerender(
+      <Toggle
+        label="Test Toggle"
+        showIcon={true}
+        showText={true}
+        icon="I"
+        text="Toggle"
+      />
+    );
+    toggle = screen.getByRole("switch");
+    expect(toggle).toHaveTextContent("I");
+    expect(toggle).toHaveTextContent("Toggle");
+  });
+
+  test("handles performance with many toggles", () => {
+    const toggles = Array.from({ length: 100 }, (_, i) => (
+      <Toggle key={i} label={`Toggle ${i}`} />
+    ));
+
+    const startTime = performance.now();
+    render(<div>{toggles}</div>);
+    const endTime = performance.now();
+
+    expect(endTime - startTime).toBeLessThan(1000); // Should render in less than 1 second
+    expect(screen.getAllByRole("switch")).toHaveLength(100);
+  });
+
+  test("handles rapid state changes", () => {
+    const handleChange = vi.fn();
+    render(<Toggle label="Test Toggle" onChange={handleChange} />);
+
+    const toggle = screen.getByRole("switch");
+
+    // Rapid clicks
+    for (let i = 0; i < 10; i++) {
+      fireEvent.click(toggle);
+    }
+
+    expect(handleChange).toHaveBeenCalledTimes(10);
+  });
+
+  test("handles mixed content types", () => {
+    render(
+      <div>
+        <Toggle label="Icon Toggle" showIcon={true} icon="I" />
+        <Toggle label="Text Toggle" showText={true} text="Toggle" />
+        <Toggle
+          label="Both Toggle"
+          showIcon={true}
+          showText={true}
+          icon="I"
+          text="Toggle"
+        />
+        <Toggle label="Empty Toggle" />
+      </div>
+    );
+
+    const iconToggle = screen.getByRole("switch", { name: "Icon Toggle" });
+    const textToggle = screen.getByRole("switch", { name: "Text Toggle" });
+    const bothToggle = screen.getByRole("switch", { name: "Both Toggle" });
+    const emptyToggle = screen.getByRole("switch", { name: "Empty Toggle" });
+
+    expect(iconToggle).toHaveTextContent("I");
+    expect(textToggle).toHaveTextContent("Toggle");
+    expect(bothToggle).toHaveTextContent("I");
+    expect(bothToggle).toHaveTextContent("Toggle");
+    expect(emptyToggle).not.toHaveTextContent("I");
+    expect(emptyToggle).not.toHaveTextContent("Toggle");
+  });
+});

tests/unit/Toggle.test.jsx

@@ -0,0 +1,195 @@
+import { expect, test, describe, it, vi } from "vitest";
+import { render, screen, fireEvent } from "@testing-library/react";
+import Toggle from "../../app/components/Toggle";
+
+describe("Toggle Component", () => {
+  test("renders with default props", () => {
+    render(<Toggle label="Test Toggle" />);
+
+    const toggle = screen.getByRole("switch");
+    const label = screen.getByText("Test Toggle");
+
+    expect(toggle).toBeInTheDocument();
+    expect(label).toBeInTheDocument();
+    expect(toggle).toHaveAttribute("type", "button");
+  });
+
+  test("renders with custom props", () => {
+    render(
+      <Toggle
+        label="Custom Toggle"
+        checked={true}
+        disabled={true}
+        className="custom-class"
+      />
+    );
+
+    const toggle = screen.getByRole("switch");
+    expect(toggle).toBeInTheDocument();
+    expect(toggle).toHaveAttribute("aria-checked", "true");
+    expect(toggle).toHaveAttribute("disabled");
+  });
+
+  test("handles checked state", () => {
+    const { rerender } = render(<Toggle label="Test Toggle" checked={false} />);
+
+    let toggle = screen.getByRole("switch");
+    expect(toggle).toHaveAttribute("aria-checked", "false");
+
+    rerender(<Toggle label="Test Toggle" checked={true} />);
+    toggle = screen.getByRole("switch");
+    expect(toggle).toHaveAttribute("aria-checked", "true");
+  });
+
+  test("handles disabled state", () => {
+    render(<Toggle label="Test Toggle" disabled={true} />);
+
+    const toggle = screen.getByRole("switch");
+    expect(toggle).toHaveAttribute("disabled");
+    expect(toggle).toHaveClass("cursor-not-allowed");
+  });
+
+  test("handles state prop", () => {
+    const { rerender } = render(<Toggle label="Test Toggle" state="focus" />);
+
+    let toggle = screen.getByRole("switch");
+    expect(toggle).toHaveClass("shadow-[0_0_5px_1px_#3281F8]");
+
+    rerender(<Toggle label="Test Toggle" state="default" />);
+    toggle = screen.getByRole("switch");
+    expect(toggle).not.toHaveClass("shadow-[0_0_5px_1px_#3281F8]");
+  });
+
+  test("handles showIcon and icon props", () => {
+    render(<Toggle label="Test Toggle" showIcon={true} icon="I" />);
+
+    const toggle = screen.getByRole("switch");
+    expect(toggle).toHaveTextContent("I");
+  });
+
+  test("handles showText and text props", () => {
+    render(<Toggle label="Test Toggle" showText={true} text="Toggle" />);
+
+    const toggle = screen.getByRole("switch");
+    expect(toggle).toHaveTextContent("Toggle");
+  });
+
+  test("handles both icon and text", () => {
+    render(
+      <Toggle
+        label="Test Toggle"
+        showIcon={true}
+        showText={true}
+        icon="I"
+        text="Toggle"
+      />
+    );
+
+    const toggle = screen.getByRole("switch");
+    expect(toggle).toHaveTextContent("I");
+    expect(toggle).toHaveTextContent("Toggle");
+  });
+
+  test("calls onChange when clicked", () => {
+    const handleChange = vi.fn();
+    render(<Toggle label="Test Toggle" onChange={handleChange} />);
+
+    const toggle = screen.getByRole("switch");
+    fireEvent.click(toggle);
+
+    expect(handleChange).toHaveBeenCalledTimes(1);
+  });
+
+  test("does not call onChange when disabled", () => {
+    const handleChange = vi.fn();
+    render(
+      <Toggle label="Test Toggle" disabled={true} onChange={handleChange} />
+    );
+
+    const toggle = screen.getByRole("switch");
+    fireEvent.click(toggle);
+
+    expect(handleChange).not.toHaveBeenCalled();
+  });
+
+  test("applies correct classes for different states", () => {
+    const { rerender } = render(<Toggle label="Test Toggle" checked={false} />);
+
+    let toggle = screen.getByRole("switch");
+    expect(toggle).toHaveClass("bg-[var(--color-surface-default-primary)]");
+
+    rerender(<Toggle label="Test Toggle" checked={true} />);
+    toggle = screen.getByRole("switch");
+    expect(toggle).toHaveClass("bg-[var(--color-magenta-magenta100)]");
+
+    rerender(<Toggle label="Test Toggle" disabled={true} />);
+    toggle = screen.getByRole("switch");
+    expect(toggle).toHaveClass("bg-[var(--color-surface-default-tertiary)]");
+  });
+
+  test("applies hover classes when not checked", () => {
+    render(<Toggle label="Test Toggle" checked={false} />);
+
+    const toggle = screen.getByRole("switch");
+    expect(toggle).toHaveClass(
+      "hover:!bg-[var(--color-surface-default-secondary)]"
+    );
+  });
+
+  test("does not apply hover classes when checked", () => {
+    render(<Toggle label="Test Toggle" checked={true} />);
+
+    const toggle = screen.getByRole("switch");
+    expect(toggle).not.toHaveClass(
+      "hover:!bg-[var(--color-surface-default-secondary)]"
+    );
+  });
+
+  test("applies focus-visible classes", () => {
+    render(<Toggle label="Test Toggle" />);
+
+    const toggle = screen.getByRole("switch");
+    expect(toggle).toHaveClass("focus-visible:shadow-[0_0_5px_1px_#3281F8]");
+  });
+
+  test("applies correct size classes", () => {
+    render(<Toggle label="Test Toggle" />);
+
+    const toggle = screen.getByRole("switch");
+    expect(toggle).toHaveClass("h-[var(--measures-sizing-032)]");
+    expect(toggle).toHaveClass("px-[16px]");
+    expect(toggle).toHaveClass("py-[8px]");
+    expect(toggle).toHaveClass("gap-[4px]");
+  });
+
+  test("applies correct text classes", () => {
+    render(<Toggle label="Test Toggle" />);
+
+    const toggle = screen.getByRole("switch");
+    expect(toggle).toHaveClass("text-[12px]");
+    expect(toggle).toHaveClass("leading-[16px]");
+  });
+
+  test("applies correct label classes", () => {
+    render(<Toggle label="Test Toggle" />);
+
+    const label = screen.getByText("Test Toggle");
+    expect(label).toHaveClass("text-[12px]");
+    expect(label).toHaveClass("leading-[16px]");
+    expect(label).toHaveClass("text-[var(--color-content-default-secondary)]");
+  });
+
+  test("forwards ref correctly", () => {
+    const ref = vi.fn();
+    render(<Toggle label="Test Toggle" ref={ref} />);
+
+    expect(ref).toHaveBeenCalled();
+  });
+
+  test("applies custom className", () => {
+    render(<Toggle label="Test Toggle" className="custom-class" />);
+
+    const toggle = screen.getByRole("switch");
+    expect(toggle).toHaveClass("custom-class");
+  });
+});