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2026-05-06 18:49:05 +02:00

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// @ts-check
import { queryByTestId } from "@testing-library/dom";
import { describe, expect, it } from "vitest";
import {
countWrappedLines,
renderError,
splitWrappedText,
} from "../src/common/render.js";
describe("Test splitWrappedText", () => {
it("should return an empty array for empty text", () => {
expect(splitWrappedText("", 10, 200)).toEqual([]);
});
it("should split a two-word string across lines", () => {
expect(splitWrappedText("hello world", 10, 25)).toEqual(["hello", "world"]);
});
it("should split a word wider than maxWidth", () => {
expect(splitWrappedText("aaaa", 10, 15)).toEqual(["aa", "aa"]);
});
it("should handle mix of short and long words", () => {
expect(splitWrappedText("short looooong", 10, 40)).toEqual([
"short",
"looooon",
"g",
]);
});
it("should handle complex whitespace characters", () => {
expect(splitWrappedText("One two three", 10, 25)).toEqual([
"One",
" ",
"",
"two",
"three",
]);
});
it("trailing spaces should not cause line breaks", () => {
expect(splitWrappedText("hi hi ", 10, 12)).toEqual(["hi", "hi"]);
});
});
describe("Test countWrappedLines", () => {
it("should return 1 for empty text", () => {
expect(countWrappedLines("", 10, 200, 10)).toBe(1);
});
it("should return 1 when all text fits on a single line", () => {
expect(countWrappedLines("hi", 10, 200, 10)).toBe(1);
});
it("should return 2 when a two-word string wraps", () => {
expect(countWrappedLines("hello world", 10, 25, 10)).toBe(2);
});
it("should split a word wider than maxWidth (overflow-wrap: anywhere)", () => {
expect(countWrappedLines("aaaa", 10, 15, 10)).toBe(2);
});
it("should cap the result at maxLines", () => {
expect(countWrappedLines("word ".repeat(10), 10, 25, 3)).toBe(3);
});
it("should handle complex whitespace characters", () => {
expect(countWrappedLines("One two three", 10, 25, 10)).toBe(5);
});
it("trailing spaces should not cause line breaks", () => {
expect(countWrappedLines("hi hi ", 10, 12, 10)).toBe(2);
});
});
describe("Test renderError", () => {
it("should contain error messages", () => {
document.body.innerHTML = renderError({ message: "Something went wrong" });
expect(
queryByTestId(document.body, "message")?.children[0],
).toHaveTextContent(/Something went wrong/gim);
expect(
queryByTestId(document.body, "message")?.children[1],
).toBeEmptyDOMElement();
// Secondary message
document.body.innerHTML = renderError({
message: "Something went wrong",
secondaryMessage: "Secondary Message",
});
expect(
queryByTestId(document.body, "message")?.children[1],
).toHaveTextContent(/Secondary Message/gim);
});
});