diff --git a/components/dashboard/AIInsightsSkeleton.type-compiler.test.tsx b/components/dashboard/AIInsightsSkeleton.type-compiler.test.tsx new file mode 100644 index 000000000..f8f9dcdde --- /dev/null +++ b/components/dashboard/AIInsightsSkeleton.type-compiler.test.tsx @@ -0,0 +1,52 @@ +import React, { ComponentProps } from 'react'; +import '@testing-library/jest-dom/vitest'; +import { render } from '@testing-library/react'; +import { describe, expect, it, expectTypeOf } from 'vitest'; +import AIInsightsSkeleton from './AIInsightsSkeleton'; + +describe('AIInsightsSkeleton - TypeScript Compiler Validation & Schema Constraints Stability', () => { + // 1. Validate exported interfaces and component prop types using expectTypeOf. + it('validates the component signature and prop types using expectTypeOf', () => { + // Verify AIInsightsSkeleton is a function component + expectTypeOf(AIInsightsSkeleton).toBeFunction(); + + // Verify it doesn't require any props (accepts empty object) + type ComponentPropsType = ComponentProps; + expectTypeOf().toEqualTypeOf(); + }); + + // 2. Verify required properties remain required and optional properties remain optional. + it('verifies required and optional parameters remain stable', () => { + type Params = Parameters; + + // The component has no required parameters (length of params array is 0) + expectTypeOf().toEqualTypeOf<0>(); + }); + + // 3. Assert invalid prop shapes or incompatible types are rejected at compile time using // @ts-expect-error where appropriate. + it('asserts that invalid prop shapes are rejected at compile time', () => { + // @ts-expect-error - AIInsightsSkeleton does not accept arguments + const element = ; + expect(element).toBeDefined(); + + // Check that we cannot pass parameters using expectTypeOf + expectTypeOf>().not.toEqualTypeOf<[string]>(); + }); + + // 4. Verify optional values, partial objects, and undefined-compatible fields compile successfully without runtime failures. + it('verifies parameterless invocation compiles successfully and renders without runtime failures', () => { + const { container } = render(); + expect(container.firstChild).toBeInTheDocument(); + + // Verify typescript compiler validates empty parameter arrays are compatible + const emptyArgs: [] = []; + const element = AIInsightsSkeleton(...emptyArgs); + expect(element).toBeDefined(); + }); + + // 5. Validate any associated schemas or type constraints remain stable and enforce expected field configurations. + it('validates component return type constraints remain stable', () => { + type JSXElement = React.JSX.Element; + expectTypeOf>().toMatchTypeOf(); + }); +});