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2026-07-13 13:39:12 +08:00

105 lines
3.8 KiB
TypeScript

import { describe, it } from "node:test";
import assert from "node:assert/strict";
import {
applyContextEditingToBody,
CLEAR_TOOL_USES_STRATEGY,
CONTEXT_EDITING_DEFAULT_TRIGGER_TOKENS,
CONTEXT_EDITING_DEFAULT_KEEP_TOOL_USES,
} from "../../../open-sse/config/contextEditing.ts";
const CLEAR_THINKING_STRATEGY = "clear_thinking_20251015";
describe("applyContextEditingToBody", () => {
it("does nothing when disabled", () => {
const body: Record<string, unknown> = { model: "claude-opus-4-8" };
applyContextEditingToBody(body, { enabled: false });
assert.equal(body.context_management, undefined);
});
it("is a no-op for null/non-object bodies", () => {
// Should not throw.
applyContextEditingToBody(null, { enabled: true });
applyContextEditingToBody(undefined, { enabled: true });
assert.ok(true);
});
it("adds the clear_tool_uses edit with default trigger/keep on an empty body", () => {
const body: Record<string, unknown> = { model: "claude-opus-4-8" };
applyContextEditingToBody(body, { enabled: true });
const cm = body.context_management as Record<string, unknown>;
assert.ok(cm, "context_management should be set");
const edits = cm.edits as Array<Record<string, unknown>>;
assert.equal(edits.length, 1);
assert.deepEqual(edits[0], {
type: CLEAR_TOOL_USES_STRATEGY,
trigger: { type: "input_tokens", value: CONTEXT_EDITING_DEFAULT_TRIGGER_TOKENS },
keep: { type: "tool_uses", value: CONTEXT_EDITING_DEFAULT_KEEP_TOOL_USES },
});
});
it("composes with an existing clear_thinking edit, keeping thinking FIRST", () => {
const body: Record<string, unknown> = {
model: "claude-opus-4-8",
context_management: {
edits: [{ type: CLEAR_THINKING_STRATEGY, keep: "all" }],
},
};
applyContextEditingToBody(body, { enabled: true });
const edits = (body.context_management as Record<string, unknown>).edits as Array<
Record<string, unknown>
>;
assert.equal(edits.length, 2);
assert.equal(edits[0].type, CLEAR_THINKING_STRATEGY, "clear_thinking must be first");
assert.equal(edits[1].type, CLEAR_TOOL_USES_STRATEGY);
});
it("is idempotent — calling twice does not duplicate the tool-use edit", () => {
const body: Record<string, unknown> = { model: "claude-opus-4-8" };
applyContextEditingToBody(body, { enabled: true });
applyContextEditingToBody(body, { enabled: true });
const edits = (body.context_management as Record<string, unknown>).edits as Array<
Record<string, unknown>
>;
assert.equal(
edits.filter((e) => e.type === CLEAR_TOOL_USES_STRATEGY).length,
1,
"only one clear_tool_uses edit should exist"
);
});
it("does not duplicate when a tool-use edit already exists (preserves caller's edit)", () => {
const preset = {
type: CLEAR_TOOL_USES_STRATEGY,
trigger: { type: "input_tokens", value: 50000 },
keep: { type: "tool_uses", value: 1 },
};
const body: Record<string, unknown> = {
model: "claude-opus-4-8",
context_management: { edits: [preset] },
};
applyContextEditingToBody(body, { enabled: true });
const edits = (body.context_management as Record<string, unknown>).edits as Array<
Record<string, unknown>
>;
assert.equal(edits.length, 1);
assert.deepEqual(edits[0], preset, "existing tool-use edit must be left untouched");
});
it("preserves unrelated context_management properties", () => {
const body: Record<string, unknown> = {
model: "claude-opus-4-8",
context_management: { edits: [], some_future_flag: true },
};
applyContextEditingToBody(body, { enabled: true });
const cm = body.context_management as Record<string, unknown>;
assert.equal(cm.some_future_flag, true);
assert.equal((cm.edits as unknown[]).length, 1);
});
});