# test.govlab/patterns/core/predicates/math.predicate.test.ts

> 11 lines of code and 0 definitions.

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

Listed in [test.govlab/patterns/core/predicates](https://banes-lab.com/api/source/testing/test.govlab/patterns/core/predicates.md), after [test.govlab/patterns/core/predicates/axis.predicate.test.ts](https://banes-lab.com/source/testing/test.govlab/patterns/core/predicates/axis.predicate.test.ts.md) and before [test.govlab/patterns/core/predicates/record.predicate.test.ts](https://banes-lab.com/source/testing/test.govlab/patterns/core/predicates/record.predicate.test.ts.md).

## Contained in

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

## Source

```typescript
import { describe, expect, it } from "vitest";
import { MATH_TYPES } from "@govlab/patterns/configuration/constants/math.constants.ts";
import { MATH_TYPE_AXIS } from "@govlab/patterns/configuration/generated/axis.generated.ts";
import { isMathType } from "@govlab/patterns/core/predicates/math.predicate.ts";

describe("isMathType", () => {
    it("accepts exactly the math types the ontology declares", () => {
        expect([...MATH_TYPES]).toStrictEqual([...MATH_TYPE_AXIS]);
        expect(MATH_TYPE_AXIS.every((id) => isMathType(id))).toBe(true);
        expect(isMathType("numerology")).toBe(false);
    });
});
```