Add more unit testing

tests/unit/RuleCard.test.jsx

@@ -0,0 +1,147 @@
+import { render, screen, fireEvent } from "@testing-library/react";
+import { describe, it, expect, vi } from "vitest";
+import RuleCard from "../../app/components/RuleCard";
+
+describe("RuleCard Component", () => {
+  const defaultProps = {
+    title: "Test Rule",
+    description: "This is a test rule description",
+  };
+
+  it("renders rule card with all required information", () => {
+    render(<RuleCard {...defaultProps} />);
+
+    expect(screen.getByText("Test Rule")).toBeInTheDocument();
+    expect(
+      screen.getByText("This is a test rule description")
+    ).toBeInTheDocument();
+  });
+
+  it("renders with custom className", () => {
+    const customClass = "custom-rule-card";
+    render(<RuleCard {...defaultProps} className={customClass} />);
+
+    const card = screen.getByRole("button");
+    expect(card).toHaveClass(customClass);
+  });
+
+  it("applies default background color", () => {
+    render(<RuleCard {...defaultProps} />);
+
+    const card = screen.getByRole("button");
+    expect(card).toHaveClass("bg-[var(--color-community-teal-100)]");
+  });
+
+  it("applies custom background color", () => {
+    const customBg = "bg-blue-100";
+    render(<RuleCard {...defaultProps} backgroundColor={customBg} />);
+
+    const card = screen.getByRole("button");
+    expect(card).toHaveClass(customBg);
+  });
+
+  it("renders with icon when provided", () => {
+    const Icon = () => <span data-testid="icon">🚀</span>;
+    render(<RuleCard {...defaultProps} icon={<Icon />} />);
+
+    expect(screen.getByTestId("icon")).toBeInTheDocument();
+  });
+
+  it("handles click events", () => {
+    const handleClick = vi.fn();
+    render(<RuleCard {...defaultProps} onClick={handleClick} />);
+
+    const card = screen.getByRole("button");
+    fireEvent.click(card);
+
+    expect(handleClick).toHaveBeenCalledTimes(1);
+  });
+
+  it("handles keyboard events", () => {
+    const handleClick = vi.fn();
+    render(<RuleCard {...defaultProps} onClick={handleClick} />);
+
+    const card = screen.getByRole("button");
+
+    // Test Enter key
+    fireEvent.keyDown(card, { key: "Enter" });
+    expect(handleClick).toHaveBeenCalledTimes(1);
+
+    // Test Space key
+    fireEvent.keyDown(card, { key: " " });
+    expect(handleClick).toHaveBeenCalledTimes(2);
+  });
+
+  it("applies hover effects correctly", () => {
+    render(<RuleCard {...defaultProps} />);
+
+    const card = screen.getByRole("button");
+    expect(card).toHaveClass(
+      "hover:shadow-xl",
+      "hover:scale-[1.02]",
+      "transition-all"
+    );
+  });
+
+  it("renders with proper accessibility attributes", () => {
+    render(<RuleCard {...defaultProps} />);
+
+    const card = screen.getByRole("button");
+    expect(card).toHaveAttribute(
+      "aria-label",
+      "Learn more about Test Rule governance pattern"
+    );
+    expect(card).toHaveAttribute("tabIndex", "0");
+  });
+
+  it("handles empty description gracefully", () => {
+    render(<RuleCard {...defaultProps} description="" />);
+
+    expect(screen.getByText("Test Rule")).toBeInTheDocument();
+    expect(
+      screen.queryByText("This is a test rule description")
+    ).not.toBeInTheDocument();
+  });
+
+  it("applies proper responsive sizing", () => {
+    render(<RuleCard {...defaultProps} />);
+
+    const card = screen.getByRole("button");
+    expect(card).toHaveClass("md:h-[210px]", "lg:h-[277px]");
+  });
+
+  it("applies focus styles correctly", () => {
+    render(<RuleCard {...defaultProps} />);
+
+    const card = screen.getByRole("button");
+    expect(card).toHaveClass("focus:outline-none", "focus:ring-2");
+  });
+
+  it("renders without icon when not provided", () => {
+    render(<RuleCard {...defaultProps} />);
+
+    expect(screen.queryByTestId("icon")).not.toBeInTheDocument();
+  });
+
+  it("applies proper border and shadow classes", () => {
+    render(<RuleCard {...defaultProps} />);
+
+    const card = screen.getByRole("button");
+    expect(card).toHaveClass("shadow-lg", "backdrop-blur-sm");
+  });
+
+  it("maintains proper heading structure", () => {
+    render(<RuleCard {...defaultProps} />);
+
+    const heading = screen.getByRole("heading", { level: 3 });
+    expect(heading).toHaveTextContent("Test Rule");
+    expect(heading.tagName).toBe("H3");
+  });
+
+  it("applies proper font classes", () => {
+    render(<RuleCard {...defaultProps} />);
+
+    const heading = screen.getByRole("heading", { level: 3 });
+    expect(heading).toHaveClass("font-space-grotesk", "font-bold");
+  });
+});