test(omo-codex): batch 104 (21 files)

packages/omo-codex/plugin/components/rules/test/hook-output.test.ts

@@ -0,0 +1,42 @@
+import { describe, expect, it } from "vitest";
+
+import { formatAdditionalContextOutput } from "../src/hook-output.js";
+
+describe("formatAdditionalContextOutput", () => {
+	it("#given context with outer whitespace and CRLF #when serializing hook JSON #then additional context is newline-normalized", () => {
+		// given
+		const context = "\r\n\r\nFirst line\r\nSecond line\rThird line\r\n";
+
+		// when
+		const output = formatAdditionalContextOutput("PostToolUse", context);
+		const parsed: unknown = JSON.parse(output);
+
+		// then
+		expect(readAdditionalContext(parsed)).toBe("First line\nSecond line\nThird line");
+		expect(output.endsWith("\n")).toBe(true);
+	});
+
+	it("#given blank context #when serializing hook JSON #then it emits no hook output", () => {
+		// given
+		const context = "\r\n \n";
+
+		// when
+		const output = formatAdditionalContextOutput("SessionStart", context);
+
+		// then
+		expect(output).toBe("");
+	});
+});
+
+function readAdditionalContext(value: unknown): string {
+	if (!isRecord(value)) throw new TypeError("Expected hook output object");
+	const hookSpecificOutput = value["hookSpecificOutput"];
+	if (!isRecord(hookSpecificOutput)) throw new TypeError("Expected hookSpecificOutput object");
+	const additionalContext = hookSpecificOutput["additionalContext"];
+	if (typeof additionalContext !== "string") throw new TypeError("Expected additionalContext string");
+	return additionalContext;
+}
+
+function isRecord(value: unknown): value is Record<string, unknown> {
+	return typeof value === "object" && value !== null && !Array.isArray(value);
+}