85 lines
3.0 KiB
JavaScript
85 lines
3.0 KiB
JavaScript
// End-to-end: a cache-bearing request flows through canonicalizeUsage →
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// saveRequestUsage → getUsageStats, proving cached tokens are persisted,
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// aggregated, and cost is computed correctly (the bug this branch fixes).
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import fs from "node:fs";
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import os from "node:os";
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import path from "node:path";
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import { describe, it, expect, beforeAll, afterAll, vi } from "vitest";
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import { canonicalizeUsage } from "../../open-sse/utils/usageTracking.js";
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const originalDataDir = process.env.DATA_DIR;
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let tempDir;
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let db;
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beforeAll(async () => {
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tempDir = fs.mkdtempSync(path.join(os.tmpdir(), "9router-cached-e2e-"));
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process.env.DATA_DIR = tempDir;
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vi.resetModules();
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db = await import("@/lib/db/index.js");
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await db.initDb();
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});
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afterAll(() => {
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if (tempDir) fs.rmSync(tempDir, { recursive: true, force: true });
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if (originalDataDir === undefined) delete process.env.DATA_DIR;
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else process.env.DATA_DIR = originalDataDir;
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});
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describe("cached-token end-to-end (persist + aggregate + cost)", () => {
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it("Claude cache usage: canonical prompt is inclusive, cached persisted, cost correct", async () => {
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// Raw Claude usage (cache-EXCLUSIVE prompt): input 100, cache_read 200, cache_creation 30, output 50
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const canonical = canonicalizeUsage({
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prompt_tokens: 100,
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completion_tokens: 50,
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cache_read_input_tokens: 200,
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cache_creation_input_tokens: 30,
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});
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expect(canonical.prompt_tokens).toBe(330); // inclusive
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await db.saveRequestUsage({
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provider: "anthropic",
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model: "claude-sonnet-4-6",
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connectionId: "c-cache",
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tokens: canonical,
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endpoint: "/v1/messages",
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status: "ok",
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});
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const stats = await db.getUsageStats("24h");
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expect(stats.totalCachedTokens).toBe(200);
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expect(stats.totalPromptTokens).toBe(330);
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expect(stats.byProvider.anthropic.cachedTokens).toBe(200);
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// Cost: nonCached=330-200-30=100 @3 + cached 200 @0.30 + creation 30 @3.75 + output 50 @15
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const expected = (100 * 3 + 200 * 0.3 + 30 * 3.75 + 50 * 15) / 1_000_000;
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const hist = await db.getUsageHistory({ provider: "anthropic" });
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expect(hist.length).toBe(1);
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expect(hist[0].cost).toBeCloseTo(expected, 12);
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expect(hist[0].tokens.cached_tokens).toBe(200);
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expect(hist[0].tokens.cache_creation_input_tokens).toBe(30);
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});
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it("OpenAI cache usage: inclusive prompt passes through, cached counted once", async () => {
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const canonical = canonicalizeUsage({
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prompt_tokens: 1000, // already includes cached
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completion_tokens: 200,
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cached_tokens: 600,
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});
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expect(canonical.prompt_tokens).toBe(1000);
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expect(canonical.cached_tokens).toBe(600);
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await db.saveRequestUsage({
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provider: "openai",
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model: "gpt-4o",
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connectionId: "c-oai",
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tokens: canonical,
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endpoint: "/v1/chat/completions",
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status: "ok",
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});
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const hist = await db.getUsageHistory({ provider: "openai" });
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expect(hist[0].tokens.prompt_tokens).toBe(1000);
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expect(hist[0].tokens.cached_tokens).toBe(600);
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});
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});
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