Files
openclaw/src/utils/usage-format.test.ts
Peter Steinberger d16e33e08e fix: restore trustworthy end-to-end QA and cross-channel delivery (#115404)
* fix(qa): repair verified end-to-end and channel regressions

* fix(gateway): make interrupted restart recovery lifecycle-safe

* test(heartbeat): target the canonical recovery session store

* fix(gateway): prioritize durable restart recovery before heartbeat

* fix(qa): preserve safe restart recovery and channel expiry

* fix(qa): fail closed and fence restart recovery

* test(agents): isolate restart recovery timing

* test(agents): prove actual restart retry timing

* fix(qa): report incompatible profile scenarios

* fix(scripts): resolve symlinked docker scheduler entrypoints

* fix(qa): require fresh native test evidence

* fix(heartbeat): fence active restart recovery delivery

* fix(gateway): consume untargeted restart acknowledgements

* fix(qa): satisfy exhaustive hosted validation gates

* fix(agents): fence stopped restart recovery dispatch

* style(agents): format restart recovery lifecycle regression

* test(gateway): isolate context prewarm sidecar lifecycle

* test(qa): make scenario process timeout cleanup deterministic

* fix(qa): stamp synthetic gateway configs with current version

* fix(openai): preserve vision capabilities in stale model catalogs

* test(qa): align profile channel rejection with current main

* fix(openai): forward supported moderation for image edits

* fix: restore latest-main CI and image edit documentation

* fix(qa): retain relocated code-mode evidence validation

* fix(openai): expose GPT-5.4 vision in static catalog

* fix(pricing): honor explicit model cost overrides

* test(pricing): keep isolated provider regressions deterministic

* fix(openai): inherit transport for discovered static models

* fix(gateway): honor agent-owned static image capabilities

* test(gateway): preserve prepared-snapshot attachment races

* test(gateway): isolate subagent persistence failure injection

* test(gateway): exercise concurrent voice replay admission

* fix(gateway): restore stale model image capabilities

* fix(agents): publish configured model vision capabilities

* fix(agents): isolate detached media transcript ownership

* test(agents): preserve generic transcript lock regression

* fix(gateway): require proven static model route identity

* fix(qa): accept bounded full-size generated image attachments

* fix(qa): require fresh script producer evidence

* test(qa): prove native E2E scenario execution
2026-07-29 12:45:27 -04:00

1099 lines
32 KiB
TypeScript

// Usage format tests cover display formatting for token and cost usage.
import nodeFs from "node:fs";
import fs from "node:fs/promises";
import os from "node:os";
import path from "node:path";
import { expectDefined } from "@openclaw/normalization-core";
import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
import type { OpenClawConfig } from "../config/config.js";
import * as manifestModelIdNormalization from "../plugins/manifest-model-id-normalization.js";
import { captureEnv } from "../test-utils/env.js";
import {
resetUsageFormatCachesForTest,
estimateUsageCost,
formatTokenCount,
formatUsd,
resolveModelCostConfig,
resolveModelCostConfigFingerprint,
} from "./usage-format.js";
type ModelCostConfig = NonNullable<ReturnType<typeof resolveModelCostConfig>>;
type PricingTier = NonNullable<ModelCostConfig["tieredPricing"]>[number];
function requireCostConfig(
cost: ReturnType<typeof resolveModelCostConfig>,
label: string,
): ModelCostConfig {
if (!cost) {
throw new Error(`expected ${label} cost config`);
}
return cost;
}
function requireTieredPricing(
cost: ModelCostConfig,
label: string,
): NonNullable<ModelCostConfig["tieredPricing"]> {
if (!cost.tieredPricing) {
throw new Error(`expected ${label} tiered pricing`);
}
return cost.tieredPricing;
}
describe("usage-format", () => {
let envSnapshot: ReturnType<typeof captureEnv> | undefined;
let agentDir: string;
let stateDir: string;
beforeEach(async () => {
envSnapshot = captureEnv(["OPENCLAW_AGENT_DIR", "OPENCLAW_STATE_DIR"]);
stateDir = await fs.mkdtemp(path.join(os.tmpdir(), "openclaw-usage-format-"));
agentDir = path.join(stateDir, "agents", "main", "agent");
process.env.OPENCLAW_STATE_DIR = stateDir;
delete process.env.OPENCLAW_AGENT_DIR;
await fs.mkdir(agentDir, { recursive: true });
resetUsageFormatCachesForTest();
});
afterEach(async () => {
envSnapshot?.restore();
envSnapshot = undefined;
resetUsageFormatCachesForTest();
await fs.rm(stateDir, { recursive: true, force: true });
});
it("formats token counts", () => {
expect(formatTokenCount(999)).toBe("999");
expect(formatTokenCount(1234)).toBe("1.2k");
expect(formatTokenCount(12000)).toBe("12k");
expect(formatTokenCount(999_499)).toBe("999k");
expect(formatTokenCount(999_500)).toBe("1.0m");
expect(formatTokenCount(2_500_000)).toBe("2.5m");
});
it("formats token counts at exact boundaries", () => {
expect(formatTokenCount(1000)).toBe("1.0k");
expect(formatTokenCount(1500)).toBe("1.5k");
expect(formatTokenCount(10000)).toBe("10k");
expect(formatTokenCount(50000)).toBe("50k");
expect(formatTokenCount(1_000_000)).toBe("1.0m");
expect(formatTokenCount(1_500_000)).toBe("1.5m");
expect(formatTokenCount(10_000_000)).toBe("10.0m");
});
it("returns 0 for invalid and non-positive token counts", () => {
expect(formatTokenCount(0)).toBe("0");
expect(formatTokenCount(-100)).toBe("0");
expect(formatTokenCount(undefined)).toBe("0");
expect(formatTokenCount(Number.NaN)).toBe("0");
expect(formatTokenCount(Number.POSITIVE_INFINITY)).toBe("0");
expect(formatTokenCount(Number.NEGATIVE_INFINITY)).toBe("0");
});
it("rounds thousands overflow to millions at the boundary", () => {
// 999,999 / 1000 = 999.999 → toFixed(1) = "1000.0" → crosses to millions
expect(formatTokenCount(999_999)).toBe("1.0m");
expect(formatTokenCount(9_999)).toBe("10.0k");
});
it("formats USD values", () => {
expect(formatUsd(1.234)).toBe("$1.23");
expect(formatUsd(0.5)).toBe("$0.50");
expect(formatUsd(0.0042)).toBe("$0.0042");
});
it("resolves model cost config and estimates usage cost", () => {
const config = {
models: {
providers: {
test: {
models: [
{
id: "m1",
cost: { input: 1, output: 2, cacheRead: 0.5, cacheWrite: 0 },
},
],
},
},
},
} as unknown as OpenClawConfig;
const cost = resolveModelCostConfig({
provider: "test",
model: "m1",
config,
});
expect(cost).toEqual({
input: 1,
output: 2,
cacheRead: 0.5,
cacheWrite: 0,
});
const total = estimateUsageCost({
usage: { input: 1000, output: 500, cacheRead: 2000 },
cost,
});
expect(total).toBeCloseTo(0.003);
});
it("returns undefined when model pricing is not configured", () => {
expect(
resolveModelCostConfig({
provider: "demo-unconfigured-a",
model: "demo-model-a",
}),
).toBeUndefined();
expect(
resolveModelCostConfig({
provider: "demo-unconfigured-b",
model: "demo-model-b",
}),
).toBeUndefined();
});
it("prefers models.json pricing over openclaw config and cached pricing", async () => {
const config = {
models: {
providers: {
"demo-preferred": {
models: [
{
id: "demo-model",
cost: { input: 20, output: 21, cacheRead: 22, cacheWrite: 23 },
},
],
},
},
},
} as unknown as OpenClawConfig;
await fs.writeFile(
path.join(agentDir, "models.json"),
JSON.stringify(
{
providers: {
"demo-preferred": {
models: [
{
id: "demo-model",
cost: { input: 10, output: 11, cacheRead: 12, cacheWrite: 13 },
},
],
},
},
},
null,
2,
),
"utf8",
);
expect(
resolveModelCostConfig({
provider: "demo-preferred",
model: "demo-model",
config,
}),
).toEqual({
input: 10,
output: 11,
cacheRead: 12,
cacheWrite: 13,
});
});
it("prefers explicit configured pricing over a provider-owned static model price", () => {
const config = {
models: {
providers: {
openai: {
models: [
{
id: "gpt-5.4",
cost: { input: 1, output: 2, cacheRead: 0, cacheWrite: 0 },
},
],
},
},
},
} as unknown as OpenClawConfig;
expect(
resolveModelCostConfig({
provider: "openai",
model: "gpt-5.4",
config,
}),
).toEqual({ input: 1, output: 2, cacheRead: 0, cacheWrite: 0 });
});
it("prefers agent-local pricing over configured and provider-owned static model prices", async () => {
const config = {
models: {
providers: {
openai: {
models: [
{
id: "gpt-5.4",
cost: { input: 1, output: 2, cacheRead: 0, cacheWrite: 0 },
},
],
},
},
},
} as unknown as OpenClawConfig;
await fs.writeFile(
path.join(agentDir, "models.json"),
JSON.stringify({
providers: {
openai: {
models: [
{
id: "gpt-5.4",
cost: { input: 7, output: 11, cacheRead: 0.5, cacheWrite: 0.25 },
},
],
},
},
}),
"utf8",
);
expect(
resolveModelCostConfig({
provider: "openai",
model: "gpt-5.4",
config,
}),
).toEqual({ input: 7, output: 11, cacheRead: 0.5, cacheWrite: 0.25 });
});
it("scopes models.json pricing by agent directory before configured and default pricing", async () => {
const secondAgentDir = path.join(stateDir, "agents", "second", "agent");
const configuredOnlyAgentDir = path.join(stateDir, "agents", "configured-only", "agent");
const writePricing = async (targetAgentDir: string, input: number) => {
await fs.mkdir(targetAgentDir, { recursive: true });
await fs.writeFile(
path.join(targetAgentDir, "models.json"),
JSON.stringify({
providers: {
"demo-scoped": {
models: [
{
id: "demo-model",
cost: { input, output: 0, cacheRead: 0, cacheWrite: 0 },
},
],
},
},
}),
"utf8",
);
};
await writePricing(agentDir, 10);
await writePricing(secondAgentDir, 20);
await fs.mkdir(configuredOnlyAgentDir, { recursive: true });
const config = {
models: {
providers: {
"demo-scoped": {
models: [
{
id: "demo-model",
cost: { input: 30, output: 0, cacheRead: 0, cacheWrite: 0 },
},
],
},
},
},
} as unknown as OpenClawConfig;
const resolveInputPrice = (scopedAgentDir?: string) =>
resolveModelCostConfig({
provider: "demo-scoped",
model: "demo-model",
config,
agentDir: scopedAgentDir,
})?.input;
expect(resolveInputPrice(agentDir)).toBe(10);
expect(resolveInputPrice(secondAgentDir)).toBe(20);
expect(resolveInputPrice(configuredOnlyAgentDir)).toBe(30);
expect(resolveInputPrice()).toBe(10);
});
it("bounds the agent-directory models.json pricing cache", async () => {
const writePricing = async (targetAgentDir: string, input: number) => {
await fs.mkdir(targetAgentDir, { recursive: true });
await fs.writeFile(
path.join(targetAgentDir, "models.json"),
JSON.stringify({
providers: {
"demo-bounded": {
models: [
{
id: "demo-model",
cost: { input, output: 0, cacheRead: 0, cacheWrite: 0 },
},
],
},
},
}),
"utf8",
);
};
const agentDirs = Array.from({ length: 129 }, (_, index) =>
path.join(stateDir, "agents", `bounded-${index}`, "agent"),
);
for (const [index, targetAgentDir] of agentDirs.entries()) {
await writePricing(targetAgentDir, index + 1);
expect(
resolveModelCostConfig({
provider: "demo-bounded",
model: "demo-model",
agentDir: targetAgentDir,
})?.input,
).toBe(index + 1);
}
const firstAgentDir = expectDefined(agentDirs[0], "first bounded agent directory");
await writePricing(firstAgentDir, 999);
expect(
resolveModelCostConfig({
provider: "demo-bounded",
model: "demo-model",
agentDir: firstAgentDir,
})?.input,
).toBe(999);
});
it("falls back to openclaw config pricing when models.json is absent", () => {
const config = {
models: {
providers: {
"demo-config-provider": {
models: [
{
id: "demo-model",
cost: { input: 9, output: 19, cacheRead: 0.9, cacheWrite: 1.9 },
},
],
},
},
},
} as unknown as OpenClawConfig;
expect(
resolveModelCostConfig({
provider: "demo-config-provider",
model: "demo-model",
config,
}),
).toEqual({
input: 9,
output: 19,
cacheRead: 0.9,
cacheWrite: 1.9,
});
});
it("can skip plugin-backed model normalization for display-only cost lookup", () => {
const config = {
models: {
providers: {
"google-vertex": {
models: [
{
id: "gemini-3.1-flash-lite",
cost: { input: 7, output: 8, cacheRead: 0.7, cacheWrite: 0.8 },
},
],
},
},
},
} as unknown as OpenClawConfig;
expect(
resolveModelCostConfig({
provider: "google-vertex",
model: "gemini-3.1-flash-lite",
config,
allowPluginNormalization: false,
}),
).toEqual({
input: 7,
output: 8,
cacheRead: 0.7,
cacheWrite: 0.8,
});
});
it("skips manifest model normalization for raw cost lookup", () => {
const manifestSpy = vi.spyOn(
manifestModelIdNormalization,
"normalizeProviderModelIdWithManifest",
);
const config = {
models: {
providers: {
"demo-raw": {
models: [
{
id: "demo-model",
cost: { input: 1, output: 2, cacheRead: 3, cacheWrite: 4 },
},
],
},
},
},
} as unknown as OpenClawConfig;
expect(
resolveModelCostConfig({
provider: "demo-raw",
model: "demo-model",
config,
allowPluginNormalization: false,
}),
).toEqual({
input: 1,
output: 2,
cacheRead: 3,
cacheWrite: 4,
});
expect(manifestSpy).not.toHaveBeenCalled();
});
it("observes in-place config pricing changes after a cached lookup", () => {
const model = {
id: "demo-model",
cost: { input: 1, output: 2, cacheRead: 3, cacheWrite: 4 },
};
const config = {
models: {
providers: {
"demo-mutated": {
models: [model],
},
},
},
} as unknown as OpenClawConfig;
expect(
resolveModelCostConfig({
provider: "demo-mutated",
model: "demo-model",
config,
})?.input,
).toBe(1);
model.cost.input = 9;
expect(
resolveModelCostConfig({
provider: "demo-mutated",
model: "demo-model",
config,
})?.input,
).toBe(9);
});
it("observes structural config pricing changes after a cached lookup", () => {
const models = [
{
id: "demo-model",
cost: { input: 1, output: 2, cacheRead: 3, cacheWrite: 4 },
},
];
const config = {
models: {
providers: {
"demo-structural": { models },
},
},
} as unknown as OpenClawConfig;
expect(
resolveModelCostConfig({
provider: "demo-structural",
model: "demo-model",
config,
})?.input,
).toBe(1);
models.push({
id: "new-model",
cost: { input: 5, output: 6, cacheRead: 7, cacheWrite: 8 },
});
expect(
resolveModelCostConfig({
provider: "demo-structural",
model: "new-model",
config,
})?.input,
).toBe(5);
models.splice(0, 1);
expect(
resolveModelCostConfig({
provider: "demo-structural",
model: "demo-model",
config,
}),
).toBeUndefined();
});
it("observes replaced config cost objects after a cached lookup", () => {
const model = {
id: "demo-model",
cost: { input: 1, output: 2, cacheRead: 3, cacheWrite: 4 },
};
const config = {
models: {
providers: {
"demo-replaced-cost": { models: [model] },
},
},
} as unknown as OpenClawConfig;
expect(
resolveModelCostConfig({
provider: "demo-replaced-cost",
model: "demo-model",
config,
})?.input,
).toBe(1);
model.cost = { input: 9, output: 8, cacheRead: 7, cacheWrite: 6 };
expect(
resolveModelCostConfig({
provider: "demo-replaced-cost",
model: "demo-model",
config,
})?.input,
).toBe(9);
});
it("ignores malformed raw tier ranges while caching config pricing", () => {
const config = {
models: {
providers: {
"demo-bad-tier": {
models: [
{
id: "demo-model",
cost: {
input: 1,
output: 2,
cacheRead: 3,
cacheWrite: 4,
tieredPricing: [
{ input: 5, output: 6, cacheRead: 7, cacheWrite: 8, range: undefined },
],
},
},
],
},
},
},
} as unknown as OpenClawConfig;
expect(
resolveModelCostConfig({
provider: "demo-bad-tier",
model: "demo-model",
config,
}),
).toEqual({
input: 1,
output: 2,
cacheRead: 3,
cacheWrite: 4,
});
});
it("skips metadata-only model rows while caching configured pricing", async () => {
const metadataOnlyModel = { id: "metadata-only" } as {
id: string;
cost?: { input: number; output: number; cacheRead: number; cacheWrite: number };
};
const config = {
models: {
providers: {
"demo-metadata-row": {
models: [
metadataOnlyModel,
{
id: "priced-model",
cost: { input: 1, output: 2, cacheRead: 3, cacheWrite: 4 },
},
],
},
},
},
} as unknown as OpenClawConfig;
expect(
resolveModelCostConfig({
provider: "demo-metadata-row",
model: "metadata-only",
config,
}),
).toBeUndefined();
expect(
resolveModelCostConfig({
provider: "demo-metadata-row",
model: "priced-model",
config,
})?.input,
).toBe(1);
metadataOnlyModel.cost = { input: 9, output: 8, cacheRead: 7, cacheWrite: 6 };
expect(
resolveModelCostConfig({
provider: "demo-metadata-row",
model: "metadata-only",
config,
})?.input,
).toBe(9);
await fs.writeFile(
path.join(agentDir, "models.json"),
JSON.stringify({
providers: {
"demo-metadata-json": {
models: [
{ id: "metadata-only" },
{
id: "priced-model",
cost: { input: 5, output: 6, cacheRead: 7, cacheWrite: 8 },
},
],
},
},
}),
"utf8",
);
expect(
resolveModelCostConfig({
provider: "demo-metadata-json",
model: "priced-model",
})?.input,
).toBe(5);
});
it("updates pricing fingerprints when metadata-only model rows gain pricing", () => {
const metadataOnlyModel = { id: "metadata-only" } as {
id: string;
cost?: { input: number; output: number; cacheRead: number; cacheWrite: number };
};
const config = {
models: {
providers: {
"demo-metadata-fingerprint": {
models: [metadataOnlyModel],
},
},
},
} as unknown as OpenClawConfig;
const before = resolveModelCostConfigFingerprint(config);
metadataOnlyModel.cost = { input: 9, output: 8, cacheRead: 7, cacheWrite: 6 };
const after = resolveModelCostConfigFingerprint(config);
expect(before).toMatch(/^[0-9a-f]{64}$/u);
expect(after).toMatch(/^[0-9a-f]{64}$/u);
expect(after).not.toBe(before);
expect(
resolveModelCostConfig({
provider: "demo-metadata-fingerprint",
model: "metadata-only",
config,
})?.input,
).toBe(9);
});
it("retries models.json after an initial missing read", async () => {
expect(
resolveModelCostConfig({
provider: "demo-late",
model: "demo-model",
}),
).toBeUndefined();
await fs.writeFile(
path.join(agentDir, "models.json"),
JSON.stringify({
providers: {
"demo-late": {
models: [
{
id: "demo-model",
cost: { input: 1, output: 2, cacheRead: 3, cacheWrite: 4 },
},
],
},
},
}),
"utf8",
);
expect(
resolveModelCostConfig({
provider: "demo-late",
model: "demo-model",
})?.input,
).toBe(1);
});
it("does not poll models.json stats after the process-local cost index is loaded", async () => {
await fs.writeFile(
path.join(agentDir, "models.json"),
JSON.stringify({
providers: {
"demo-stat": {
models: [
{
id: "demo-model",
cost: { input: 1, output: 2, cacheRead: 3, cacheWrite: 4 },
},
],
},
},
}),
"utf8",
);
expect(
resolveModelCostConfig({
provider: "demo-stat",
model: "demo-model",
})?.input,
).toBe(1);
const statSpy = vi.spyOn(nodeFs, "statSync");
try {
for (let i = 0; i < 20; i += 1) {
expect(
resolveModelCostConfig({
provider: "demo-stat",
model: "demo-model",
})?.input,
).toBe(1);
}
expect(statSpy).not.toHaveBeenCalled();
} finally {
statSpy.mockRestore();
}
});
// -----------------------------------------------------------------------
// Tiered pricing tests
// -----------------------------------------------------------------------
it("uses flat pricing when tieredPricing is absent", () => {
const cost = { input: 1, output: 2, cacheRead: 0.5, cacheWrite: 0 };
const total = estimateUsageCost({
usage: { input: 1000, output: 500, cacheRead: 2000 },
cost,
});
expect(total).toBeCloseTo(0.003);
});
it("estimates cost with single-tier tiered pricing (equivalent to flat)", () => {
const tiers: PricingTier[] = [
{ input: 1, output: 2, cacheRead: 0.5, cacheWrite: 0, range: [0, 1_000_000] },
];
const cost = { input: 1, output: 2, cacheRead: 0.5, cacheWrite: 0, tieredPricing: tiers };
const total = estimateUsageCost({
usage: { input: 1000, output: 500, cacheRead: 2000 },
cost,
});
// Same as flat: (1000*1 + 500*2 + 2000*0.5) / 1M = 3000/1M = 0.003
expect(total).toBeCloseTo(0.003);
});
it("uses the matching context tier instead of blending lower tiers", () => {
// Tier 1: [0, 32000) → input $0.30/M, output $1.50/M
// Tier 2: [32000, 128000) → input $0.50/M, output $2.50/M
const tiers: PricingTier[] = [
{ input: 0.3, output: 1.5, cacheRead: 0, cacheWrite: 0, range: [0, 32_000] },
{ input: 0.5, output: 2.5, cacheRead: 0, cacheWrite: 0, range: [32_000, 128_000] },
];
const cost = { input: 0.3, output: 1.5, cacheRead: 0, cacheWrite: 0, tieredPricing: tiers };
// 40000 input tokens selects Tier 2 for the whole request:
// (40000 * 0.5 + 10000 * 2.5) / 1M = 0.045
const total = estimateUsageCost({
usage: { input: 40_000, output: 10_000 },
cost,
});
expect(total).toBeCloseTo(0.045, 4);
});
it("estimates cost with three tiers — volcengine-style pricing", () => {
// Simulates volcengine/doubao pricing (per-million):
// Tier 1: [0, 32000) → in $0.46, out $2.30
// Tier 2: [32000, 128000) → in $0.70, out $3.50
// Tier 3: [128000, 256000) → in $1.40, out $7.00
const tiers: PricingTier[] = [
{ input: 0.46, output: 2.3, cacheRead: 0, cacheWrite: 0, range: [0, 32_000] },
{ input: 0.7, output: 3.5, cacheRead: 0, cacheWrite: 0, range: [32_000, 128_000] },
{ input: 1.4, output: 7, cacheRead: 0, cacheWrite: 0, range: [128_000, 256_000] },
];
const cost = { input: 0.46, output: 2.3, cacheRead: 0, cacheWrite: 0, tieredPricing: tiers };
// 200000 input tokens selects Tier 3 for the whole request:
// (200000 * 1.40 + 5000 * 7.00) / 1M = 0.315
const total = estimateUsageCost({
usage: { input: 200_000, output: 5_000 },
cost,
});
expect(total).toBeCloseTo(0.315, 4);
});
it("uses first tier rates for output when input is zero", () => {
const tiers: PricingTier[] = [
{ input: 0.3, output: 1.5, cacheRead: 0, cacheWrite: 0, range: [0, 32_000] },
{ input: 0.5, output: 2.5, cacheRead: 0, cacheWrite: 0, range: [32_000, 128_000] },
];
const cost = { input: 0.3, output: 1.5, cacheRead: 0, cacheWrite: 0, tieredPricing: tiers };
const total = estimateUsageCost({
usage: { input: 0, output: 10_000 },
cost,
});
// Falls back to first tier: 10000 * 1.5 / 1M = 0.015
expect(total).toBeCloseTo(0.015, 6);
});
it("falls back to flat pricing when tieredPricing is empty array", () => {
const cost = {
input: 1,
output: 2,
cacheRead: 0.5,
cacheWrite: 0,
tieredPricing: [] as PricingTier[],
};
const total = estimateUsageCost({
usage: { input: 1000, output: 500, cacheRead: 2000 },
cost,
});
expect(total).toBeCloseTo(0.003);
});
it("bills overflow input tokens at last tier rate when input exceeds max range", () => {
// Tiers only cover up to 128000, but input is 200000
// Tier 1: [0, 32000) → in $0.30/M, out $1.50/M
// Tier 2: [32000, 128000) → in $0.50/M, out $2.50/M
// Overflow: 72000 tokens billed at Tier 2 rates
const tiers: PricingTier[] = [
{ input: 0.3, output: 1.5, cacheRead: 0, cacheWrite: 0, range: [0, 32_000] },
{ input: 0.5, output: 2.5, cacheRead: 0, cacheWrite: 0, range: [32_000, 128_000] },
];
const cost = { input: 0.3, output: 1.5, cacheRead: 0, cacheWrite: 0, tieredPricing: tiers };
// 200000 input tokens exceeds the max range, so the last tier is the
// whole-request fallback: (200000 * 0.5 + 10000 * 2.5) / 1M = 0.125
const total = estimateUsageCost({
usage: { input: 200_000, output: 10_000 },
cost,
});
expect(total).toBeCloseTo(0.125, 4);
});
it("bills overflow at last tier when only a single small-range tier exists (e.g. <30K)", () => {
// Only one tier covering [0, 30000), input is 100000
const tiers: PricingTier[] = [
{ input: 1, output: 3, cacheRead: 0.5, cacheWrite: 0, range: [0, 30_000] },
];
const cost = { input: 1, output: 3, cacheRead: 0.5, cacheWrite: 0, tieredPricing: tiers };
// 100000 input exceeds the only range, so Tier 1 is the whole-request fallback.
// Total = 0.1 + 0.015 + 0.001 = 0.116
const total = estimateUsageCost({
usage: { input: 100_000, output: 5_000, cacheRead: 2_000 },
cost,
});
expect(total).toBeCloseTo(0.116, 4);
});
it("supports open-ended range [start] in tiered pricing (greater-than syntax)", () => {
// Tier 1: [0, 32000) → in $0.30/M, out $1.50/M
// Tier 2: [32000, Infinity) → in $0.50/M, out $2.50/M (open-ended)
const tiers: PricingTier[] = [
{ input: 0.3, output: 1.5, cacheRead: 0, cacheWrite: 0, range: [0, 32_000] },
{ input: 0.5, output: 2.5, cacheRead: 0, cacheWrite: 0, range: [32_000, Infinity] },
];
const cost = { input: 0.3, output: 1.5, cacheRead: 0, cacheWrite: 0, tieredPricing: tiers };
// 200000 input tokens selects the open-ended Tier 2 for the whole request.
const total = estimateUsageCost({
usage: { input: 200_000, output: 10_000 },
cost,
});
expect(total).toBeCloseTo(0.125, 4);
});
it("uses declared tier ranges instead of sequential widths", () => {
const tiers: PricingTier[] = [
{ input: 1, output: 10, cacheRead: 0, cacheWrite: 0, range: [100, 200] },
{ input: 2, output: 20, cacheRead: 0, cacheWrite: 0, range: [0, 100] },
];
const cost = { input: 1, output: 10, cacheRead: 0, cacheWrite: 0, tieredPricing: tiers };
const total = estimateUsageCost({
usage: { input: 150, output: 60 },
cost,
});
expect(total).toBeCloseTo(0.00075, 8);
});
it("reuses sorted tier order for repeated estimates", () => {
const tiers: PricingTier[] = [
{ input: 1, output: 10, cacheRead: 0, cacheWrite: 0, range: [100, 200] },
{ input: 2, output: 20, cacheRead: 0, cacheWrite: 0, range: [0, 100] },
];
const tierSortSpy = vi.spyOn(tiers, "toSorted");
const cost = { input: 1, output: 10, cacheRead: 0, cacheWrite: 0, tieredPricing: tiers };
expect(estimateUsageCost({ usage: { input: 150, output: 60 }, cost })).toBeCloseTo(0.00075, 8);
expect(estimateUsageCost({ usage: { input: 50, output: 60 }, cost })).toBeCloseTo(0.0013, 8);
expect(tierSortSpy).toHaveBeenCalledTimes(1);
});
it("bills malformed tier gaps at a whole-request fallback tier", () => {
const tiers: PricingTier[] = [
{ input: 1, output: 10, cacheRead: 0, cacheWrite: 0, range: [0, 50] },
{ input: 3, output: 30, cacheRead: 0, cacheWrite: 0, range: [100, 150] },
];
const cost = { input: 1, output: 10, cacheRead: 0, cacheWrite: 0, tieredPricing: tiers };
const total = estimateUsageCost({
usage: { input: 150, output: 60 },
cost,
});
expect(total).toBeCloseTo(0.00225, 8);
});
it("normalizes open-ended range from models.json ([start] and [start, -1])", async () => {
await fs.writeFile(
path.join(agentDir, "models.json"),
JSON.stringify(
{
providers: {
volcengine: {
models: [
{
id: "doubao-open-ended",
cost: {
input: 0.46,
output: 2.3,
cacheRead: 0,
cacheWrite: 0,
tieredPricing: [
{ input: 0.46, output: 2.3, cacheRead: 0, cacheWrite: 0, range: [0, 32000] },
{ input: 0.7, output: 3.5, cacheRead: 0, cacheWrite: 0, range: [32000] },
],
},
},
{
id: "doubao-neg-one",
cost: {
input: 0.46,
output: 2.3,
cacheRead: 0,
cacheWrite: 0,
tieredPricing: [
{ input: 0.46, output: 2.3, cacheRead: 0, cacheWrite: 0, range: [0, 32000] },
{ input: 0.7, output: 3.5, cacheRead: 0, cacheWrite: 0, range: [32000, -1] },
],
},
},
],
},
},
},
null,
2,
),
"utf8",
);
// [32000] should be normalized to [32000, Infinity]
const cost1 = resolveModelCostConfig({
provider: "volcengine",
model: "doubao-open-ended",
});
const tiers1 = requireTieredPricing(requireCostConfig(cost1, "open-ended"), "open-ended");
expect(tiers1).toHaveLength(2);
expect(expectDefined(tiers1[1], "tiers1[1] test invariant").range).toEqual([32000, Infinity]);
// [32000, -1] should also be normalized to [32000, Infinity]
const cost2 = resolveModelCostConfig({
provider: "volcengine",
model: "doubao-neg-one",
});
const tiers2 = requireTieredPricing(requireCostConfig(cost2, "negative-end"), "negative-end");
expect(tiers2).toHaveLength(2);
expect(expectDefined(tiers2[1], "tiers2[1] test invariant").range).toEqual([32000, Infinity]);
});
it("resolves tiered pricing from models.json", async () => {
await fs.writeFile(
path.join(agentDir, "models.json"),
JSON.stringify(
{
providers: {
volcengine: {
models: [
{
id: "doubao-seed-2-0-pro",
cost: {
input: 0.46,
output: 2.3,
cacheRead: 0,
cacheWrite: 0,
tieredPricing: [
{ input: 0.46, output: 2.3, cacheRead: 0, cacheWrite: 0, range: [0, 32000] },
{
input: 0.7,
output: 3.5,
cacheRead: 0,
cacheWrite: 0,
range: [32000, 128000],
},
],
},
},
],
},
},
},
null,
2,
),
"utf8",
);
const cost = resolveModelCostConfig({
provider: "volcengine",
model: "doubao-seed-2-0-pro",
});
const tiers = requireTieredPricing(requireCostConfig(cost, "models.json"), "models.json");
expect(tiers).toHaveLength(2);
expect(expectDefined(tiers[0], "tiers[0] test invariant").range).toEqual([0, 32000]);
expect(expectDefined(tiers[1], "tiers[1] test invariant").input).toBe(0.7);
});
});