YeonGyu-Kim
43 lines
1.5 KiB
TypeScript
43 lines
1.5 KiB
TypeScript
import { describe, expect, it } from "vitest";
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import { formatAdditionalContextOutput } from "../src/hook-output.js";
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describe("formatAdditionalContextOutput", () => {
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it("#given context with outer whitespace and CRLF #when serializing hook JSON #then additional context is newline-normalized", () => {
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// given
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const context = "\r\n\r\nFirst line\r\nSecond line\rThird line\r\n";
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// when
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const output = formatAdditionalContextOutput("PostToolUse", context);
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const parsed: unknown = JSON.parse(output);
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// then
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expect(readAdditionalContext(parsed)).toBe("First line\nSecond line\nThird line");
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expect(output.endsWith("\n")).toBe(true);
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});
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it("#given blank context #when serializing hook JSON #then it emits no hook output", () => {
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// given
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const context = "\r\n \n";
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// when
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const output = formatAdditionalContextOutput("SessionStart", context);
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// then
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expect(output).toBe("");
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});
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});
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function readAdditionalContext(value: unknown): string {
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if (!isRecord(value)) throw new TypeError("Expected hook output object");
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const hookSpecificOutput = value["hookSpecificOutput"];
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if (!isRecord(hookSpecificOutput)) throw new TypeError("Expected hookSpecificOutput object");
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const additionalContext = hookSpecificOutput["additionalContext"];
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if (typeof additionalContext !== "string") throw new TypeError("Expected additionalContext string");
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return additionalContext;
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}
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function isRecord(value: unknown): value is Record<string, unknown> {
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return typeof value === "object" && value !== null && !Array.isArray(value);
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}
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