openclaw/src/shared/text/join-segments.test.ts

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1.5 KiB
TypeScript

import { describe, expect, it } from "vitest";
import { concatOptionalTextSegments, joinPresentTextSegments } from "./join-segments.js";
describe("concatOptionalTextSegments", () => {
it("concatenates left and right with default separator", () => {
expect(concatOptionalTextSegments({ left: "A", right: "B" })).toBe("A\n\nB");
});
it("keeps explicit empty-string right value", () => {
expect(concatOptionalTextSegments({ left: "A", right: "" })).toBe("");
});
it("falls back to whichever side is present and honors custom separators", () => {
expect(concatOptionalTextSegments({ left: "A" })).toBe("A");
expect(concatOptionalTextSegments({ right: "B" })).toBe("B");
expect(concatOptionalTextSegments({ left: "A", right: "B", separator: " | " })).toBe("A | B");
});
});
describe("joinPresentTextSegments", () => {
it("joins non-empty segments", () => {
expect(joinPresentTextSegments(["A", undefined, "B"])).toBe("A\n\nB");
});
it("returns undefined when all segments are empty", () => {
expect(joinPresentTextSegments(["", undefined, null])).toBeUndefined();
});
it("trims segments when requested", () => {
expect(joinPresentTextSegments([" A ", " B "], { trim: true })).toBe("A\n\nB");
});
it("keeps whitespace-only segments unless trim is enabled and supports custom separators", () => {
expect(joinPresentTextSegments(["A", " ", "B"], { separator: " | " })).toBe("A | | B");
expect(joinPresentTextSegments(["A", " ", "B"], { trim: true, separator: " | " })).toBe(
"A | B",
);
});
});