| 1 | import assert from "node:assert/strict"; |
| 2 | import { test } from "node:test"; |
| 3 | |
| 4 | import type { AgentSession, PriceBook } from "@g1t/contracts"; |
| 5 | |
| 6 | import { agentRateLabel, daySeries, markupLabel, percentLabel, pricingOf, readPeriod, readScope, receiptOf, spanFor, tokenCount } from "./spend.ts"; |
| 7 | |
| 8 | const OCT_8 = new Date("2026-10-08T15:00:00Z"); |
| 9 | |
| 10 | test("a period's days match the agents service's, both ends included", () => { |
| 11 | assert.deepEqual(spanFor("month", OCT_8), { from: "2026-10-01", until: "2026-10-08" }); |
| 12 | assert.deepEqual(spanFor("last_month", OCT_8), { from: "2026-09-01", until: "2026-09-30" }); |
| 13 | assert.deepEqual(spanFor("last_month", new Date("2026-01-15T00:00:00Z")), { from: "2025-12-01", until: "2025-12-31" }); |
| 14 | assert.deepEqual(spanFor("7d", OCT_8), { from: "2026-10-02", until: "2026-10-08" }); |
| 15 | assert.deepEqual(spanFor("30d", OCT_8), { from: "2026-09-09", until: "2026-10-08" }); |
| 16 | }); |
| 17 | |
| 18 | test("only someone who may see the workspace's spend gets it; anything else is their own", () => { |
| 19 | assert.equal(readScope(null, true), "workspace"); |
| 20 | assert.equal(readScope("me", true), "me"); |
| 21 | assert.equal(readScope("workspace", false), "me"); |
| 22 | assert.equal(readPeriod("7d"), "7d"); |
| 23 | assert.equal(readPeriod("year"), "month"); |
| 24 | }); |
| 25 | |
| 26 | test("a day series has every day, products added together, zeros where nothing was spent", () => { |
| 27 | const days = daySeries("2026-10-01", "2026-10-03", [ |
| 28 | { day: "2026-10-01", micros: 5 }, |
| 29 | { day: "2026-10-01", micros: 7 }, |
| 30 | { day: "2026-10-03", micros: 1 }, |
| 31 | ]); |
| 32 | assert.deepEqual(days, [ |
| 33 | { day: "2026-10-01", micros: 12 }, |
| 34 | { day: "2026-10-02", micros: 0 }, |
| 35 | { day: "2026-10-03", micros: 1 }, |
| 36 | ]); |
| 37 | }); |
| 38 | |
| 39 | test("pricing comes from the price book: models at the provider's price, what g1t runs at its markup", () => { |
| 40 | const book = { |
| 41 | modelMarginPercent: 0, |
| 42 | changes: [], |
| 43 | prices: [ |
| 44 | { meter: "sandbox_second", costMicros: 10, markupPercent: 20, priceMicros: 12 }, |
| 45 | { meter: "build_second", costMicros: 10, markupPercent: 20, priceMicros: 12 }, |
| 46 | { meter: "agent_models", costMicros: 1_000_000, markupPercent: 0, priceMicros: 1_000_000 }, |
| 47 | { meter: "gateway_models", costMicros: 1_000_000, markupPercent: 0, priceMicros: 1_000_000 }, |
| 48 | { meter: "card_fee_percent", costMicros: 29_000, markupPercent: 0, priceMicros: 29_000 }, |
| 49 | { meter: "agent_token_weight_input", costMicros: 1_000_000, markupPercent: 0, priceMicros: 1_000_000 }, |
| 50 | { meter: "agent_tokens", costMicros: 0, markupPercent: 0, priceMicros: 0 }, |
| 51 | { meter: "agent_tokens_own", costMicros: 0, markupPercent: 0, priceMicros: 0 }, |
| 52 | ], |
| 53 | } as unknown as PriceBook; |
| 54 | (book as { changes: unknown[] }).changes = [{ meter: "agent_tokens", newCostMicros: 250_000, effectiveAt: "2026-10-22T00:00:00Z" }]; |
| 55 | const pricing = pricingOf(book); |
| 56 | assert.equal(pricing.modelMarkupPercent, 0); |
| 57 | // Models, the gateway, card fees and weights are not things g1t runs: the markup is one figure. |
| 58 | assert.deepEqual(pricing.markup, { min: 20, max: 20 }); |
| 59 | assert.equal(markupLabel(pricing.markup!), "20%"); |
| 60 | assert.equal(markupLabel({ min: 15, max: 20 }), "15–20%"); |
| 61 | // The agent rate, $0 until its dated version starts. |
| 62 | assert.equal(pricing.agentRateMicros, 0); |
| 63 | assert.deepEqual(pricing.agentRateComing, { micros: 250_000, from: "2026-10-22" }); |
| 64 | const dollars = (m: number) => `$${(m / 1_000_000).toFixed(2)}`; |
| 65 | assert.equal(agentRateLabel(pricing, dollars), "$0.25 per million tokens from 2026-10-22"); |
| 66 | assert.equal(agentRateLabel({ agentRateMicros: 250_000, agentRateComing: null }, dollars), "$0.25 per million tokens"); |
| 67 | }); |
| 68 | |
| 69 | const session = (over: Partial<AgentSession>): AgentSession => |
| 70 | ({ id: "s", parent_id: null, root_id: "r", charged_micros: 0, cost_micros: 0, input_tokens: 0, output_tokens: 0, steps: 0, tool_calls: 0, created_at: "2026-10-08T00:00:00Z", ...over }) as AgentSession; |
| 71 | |
| 72 | test("a receipt gives the root its own share, children under their parents, and the tree's totals", () => { |
| 73 | const tree = [ |
| 74 | session({ id: "r", charged_micros: 1_840_000, cost_micros: 1_000_000, input_tokens: 400_000, output_tokens: 30_000, steps: 6, tool_calls: 20 }), |
| 75 | session({ id: "c1", parent_id: "r", charged_micros: 300_000, cost_micros: 200_000, input_tokens: 10_000, steps: 2, created_at: "2026-10-08T00:01:00Z" }), |
| 76 | session({ id: "g1", parent_id: "c1", charged_micros: 40_000, cost_micros: 30_000, steps: 1, created_at: "2026-10-08T00:02:00Z" }), |
| 77 | ]; |
| 78 | const receipt = receiptOf(tree, "r")!; |
| 79 | assert.deepEqual( |
| 80 | receipt.lines.map((l) => [l.session.id, l.depth, l.ownMicros]), |
| 81 | [ |
| 82 | ["r", 0, 1_500_000], |
| 83 | ["c1", 1, 300_000], |
| 84 | ["g1", 2, 40_000], |
| 85 | ], |
| 86 | ); |
| 87 | assert.equal(receipt.chargedMicros, 1_840_000); |
| 88 | assert.equal(receipt.providerMicros, 1_230_000); |
| 89 | assert.equal(receipt.steps, 9); |
| 90 | assert.equal(receiptOf([], "r"), null); |
| 91 | }); |
| 92 | |
| 93 | test("token counts and percents read short", () => { |
| 94 | assert.equal(tokenCount(830), "830"); |
| 95 | assert.equal(tokenCount(1_200), "1.2K"); |
| 96 | assert.equal(tokenCount(412_000), "412K"); |
| 97 | assert.equal(tokenCount(1_250_000), "1.3M"); |
| 98 | assert.equal(percentLabel(62, 100), "62%"); |
| 99 | assert.equal(percentLabel(62, null), ""); |
| 100 | }); |