# test.scripts/core/predicates/closure.predicate.test.ts

> 16 lines of code and 0 definitions.

Tree: Codebase Testing
Language: typescript
Canonical: https://banes-lab.com/anatomy/testing#file-testing-test-scripts-core-predicates-closure-predicate-test-ts
Source text: https://banes-lab.com/source/testing/test.scripts/core/predicates/closure.predicate.test.ts.txt

Listed in [test.scripts/core/predicates](https://banes-lab.com/api/source/testing/test.scripts/core/predicates.md).

## Contained in

- [test.scripts/core/predicates](https://banes-lab.com/anatomy/testing/folder-testing-test-scripts-core-predicates.md)

## Source

```typescript
import { describe, expect, it } from "vitest";
import { isConsumerCall, isRegisterCall } from "@project/scripts/core/predicates/closure.predicate.ts";

describe("isRegisterCall and isConsumerCall", () => {
    it("match a verb only at a camel-case boundary", () => {
        expect(isRegisterCall("registerPage")).toBe(true);
        expect(isRegisterCall("register")).toBe(false);
        expect(isRegisterCall("registered")).toBe(false);
        expect(isConsumerCall("getPage")).toBe(true);
        expect(isConsumerCall("getter")).toBe(false);
    });

    it("never files a registration or a platform lookup as a consumer", () => {
        expect(isConsumerCall("registerPage")).toBe(false);
        expect(isConsumerCall("getElementById")).toBe(false);
        expect(isConsumerCall("hasAttribute")).toBe(false);
    });
});
```