# test.govlab/stats/core/analyzers/text.analyzer.test.ts

> 22 lines of code and 0 definitions.

Tree: Codebase Testing
Language: typescript
Canonical: https://banes-lab.com/anatomy/testing#file-testing-test-govlab-stats-core-analyzers-text-analyzer-test-ts
Source text: https://banes-lab.com/source/testing/test.govlab/stats/core/analyzers/text.analyzer.test.ts.txt

Listed in [test.govlab/stats/core/analyzers](https://banes-lab.com/api/source/testing/test.govlab/stats/core/analyzers.md), after [test.govlab/stats/core/analyzers/taxonomy.analyzer.test.ts](https://banes-lab.com/source/testing/test.govlab/stats/core/analyzers/taxonomy.analyzer.test.ts.md).

## Contained in

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

## Source

```typescript
import { describe, expect, it } from "vitest";
import { countLines } from "@govlab/stats/core/analyzers/text.analyzer.ts";

describe("countLines", () => {
    it("reports nothing for an empty file", () => {
        expect(countLines("")).toEqual({ blank: 0, code: 0, total: 0 });
    });

    it("counts a single unterminated line", () => {
        expect(countLines("const a = 1;")).toEqual({ blank: 0, code: 1, total: 1 });
    });

    it("does not count the trailing newline as an extra line", () => {
        expect(countLines("a\nb\n")).toEqual({ blank: 0, code: 2, total: 2 });
    });

    it("separates blank lines from code", () => {
        expect(countLines("a\n\nb\n")).toEqual({ blank: 1, code: 2, total: 3 });
    });

    it("treats whitespace-only lines as blank", () => {
        expect(countLines("a\n   \n\t\nb")).toEqual({ blank: 2, code: 2, total: 4 });
    });

    it("handles carriage returns without inflating the count", () => {
        expect(countLines("a\r\nb\r\n")).toEqual({ blank: 0, code: 2, total: 2 });
    });
});
```