refactor(auto-reply): share set/unset command action parsing

src/auto-reply/reply/commands-setunset.test.ts

@@ -0,0 +1,50 @@
+import { describe, expect, it } from "vitest";
+import { parseSetUnsetCommand, parseSetUnsetCommandAction } from "./commands-setunset.js";
+
+describe("parseSetUnsetCommand", () => {
+  it("parses unset values", () => {
+    expect(
+      parseSetUnsetCommand({
+        slash: "/config",
+        action: "unset",
+        args: "foo.bar",
+      }),
+    ).toEqual({ kind: "unset", path: "foo.bar" });
+  });
+
+  it("parses set values", () => {
+    expect(
+      parseSetUnsetCommand({
+        slash: "/config",
+        action: "set",
+        args: 'foo.bar={"x":1}',
+      }),
+    ).toEqual({ kind: "set", path: "foo.bar", value: { x: 1 } });
+  });
+});
+
+describe("parseSetUnsetCommandAction", () => {
+  it("returns null for non set/unset actions", () => {
+    const result = parseSetUnsetCommandAction({
+      slash: "/config",
+      action: "show",
+      args: "",
+      onSet: (path, value) => ({ action: "set", path, value }),
+      onUnset: (path) => ({ action: "unset", path }),
+      onError: (message) => ({ action: "error", message }),
+    });
+    expect(result).toBeNull();
+  });
+
+  it("maps parse errors through onError", () => {
+    const result = parseSetUnsetCommandAction({
+      slash: "/config",
+      action: "set",
+      args: "",
+      onSet: (path, value) => ({ action: "set", path, value }),
+      onUnset: (path) => ({ action: "unset", path }),
+      onError: (message) => ({ action: "error", message }),
+    });
+    expect(result).toEqual({ action: "error", message: "Usage: /config set path=value" });
+  });
+});