import { describe, expect, test } from "vitest";
import { normalizeText, normalizeTextLength } from "./reading-progress-dom";
describe("normalizeText", () => {
test("collapses multiple spaces to single space", () => {
expect(normalizeText("hello world")).toBe("hello world");
});
test("collapses newlines and tabs to single space", () => {
expect(normalizeText("hello\n\nworld")).toBe("hello world");
expect(normalizeText("hello\t\tworld")).toBe("hello world");
expect(normalizeText("hello\r\nworld")).toBe("hello world");
});
test("trims leading and trailing whitespace", () => {
expect(normalizeText(" hello world ")).toBe("hello world");
expect(normalizeText("\n\nhello world\n\n")).toBe("hello world");
});
test("handles empty string", () => {
expect(normalizeText("")).toBe("");
});
test("handles whitespace-only string", () => {
expect(normalizeText(" ")).toBe("");
expect(normalizeText("\n\t\r")).toBe("");
});
test("handles text with no extra whitespace", () => {
expect(normalizeText("hello world")).toBe("hello world");
});
test("handles mixed whitespace types", () => {
expect(normalizeText("hello \n\t world")).toBe("hello world");
});
});
describe("normalizeTextLength", () => {
test("returns length of normalized text", () => {
expect(normalizeTextLength("hello world")).toBe(11);
});
test("returns normalized length for text with extra whitespace", () => {
// "hello world" normalizes to "hello world" (11 chars)
expect(normalizeTextLength("hello world")).toBe(11);
});
test("returns 0 for empty string", () => {
expect(normalizeTextLength("")).toBe(0);
});
test("returns 0 for whitespace-only string", () => {
expect(normalizeTextLength(" \n\t")).toBe(0);
});
});
