# test.govlab/patterns/core/factories/field.factory.test.ts

> 15 lines of code and 0 definitions.

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

Listed in [test.govlab/patterns/core/factories](https://banes-lab.com/api/source/testing/test.govlab/patterns/core/factories.md), after [test.govlab/patterns/core/factories/context.factory.test.ts](https://banes-lab.com/source/testing/test.govlab/patterns/core/factories/context.factory.test.ts.md) and before [test.govlab/patterns/core/factories/finding.factory.test.ts](https://banes-lab.com/source/testing/test.govlab/patterns/core/factories/finding.factory.test.ts.md).

## Contained in

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

## Source

```typescript
import { describe, expect, it } from "vitest";
import { FieldAnalyzer } from "@govlab/patterns/core/analyzers/field.analyzer.ts";
import { buildAnalyzers } from "@govlab/patterns/core/factories/field.factory.ts";

describe("buildAnalyzers", () => {
    it("builds one analyzer per mapped field", () => {
        const analyzers = buildAnalyzers(
            new Map([
                ["color", ["distribution"]],
                ["score", ["vector"]],
            ]),
        );
        expect([...analyzers.keys()]).toStrictEqual(["color", "score"]);
        expect(analyzers.get("color")).toBeInstanceOf(FieldAnalyzer);
    });
});
```