added missing plugin test

Author: forman

chartlets.js/packages/lib/src/plugins/mui/index.test.ts

@@ -0,0 +1,17 @@
+import { describe, it, expect } from "vitest";
+import mui from "./index";
+
+describe("mui Plugin", () => {
+  it("registers components", () => {
+    const plugin = mui();
+    expect(plugin).toBeTypeOf("object");
+    expect(Array.isArray(plugin.components)).toBe(true);
+    expect(plugin.components?.length).toBeGreaterThan(0);
+    plugin.components?.forEach((componentRegistration) => {
+      expect(componentRegistration).toHaveLength(2);
+      const [name, component] = componentRegistration;
+      expect(name).toBeTypeOf("string");
+      expect(component).toBeTypeOf("function");
+    });
+  });
+});

chartlets.js/packages/lib/src/plugins/vega/index.test.ts

@@ -0,0 +1,17 @@
+import { describe, it, expect } from "vitest";
+import vega from "./index";
+
+describe("vega Plugin", () => {
+  it("registers components", () => {
+    const plugin = vega();
+    expect(plugin).toBeTypeOf("object");
+    expect(Array.isArray(plugin.components)).toBe(true);
+    expect(plugin.components?.length).toBeGreaterThan(0);
+    plugin.components?.forEach((componentRegistration) => {
+      expect(componentRegistration).toHaveLength(2);
+      const [name, component] = componentRegistration;
+      expect(name).toBeTypeOf("string");
+      expect(component).toBeTypeOf("function");
+    });
+  });
+});