1import assert from "node:assert/strict"
2import type { Profiler, Runtime } from "node:inspector"
3import { describe, it } from "node:test"
4import { analyzeProfile, classify, shareInterval } from "../suites/schema-construction/profile.mts"
5
6const frame = (functionName: string, file = ""): Runtime.CallFrame => ({
7 functionName,
8 url: file ? `file:///repo/packages/effect/${file}` : "",
9 scriptId: "1",
10 lineNumber: 0,
11 columnNumber: 0
12})
13const make = frame("make", "src/internal/schema/make.ts")
14const sync = frame("make", "src/SchemaParser.ts")
15const effect = frame("makeEffect", "src/SchemaParser.ts")
16const option = frame("makeOption", "src/SchemaParser.ts")
17const ast = frame("Objects", "src/SchemaAST.ts")
18
19describe("schema construction attribution", () => {
20 it("attributes the type traversal to the maker, without counting it again as AST construction", () => {
21 assert.equal(classify([ast, sync, make]), "type-projection")
22 assert.equal(classify([frame("", "src/Function.ts"), sync, make]), "type-projection")
23 assert.equal(classify([ast, make]), "type-projection")
24 assert.equal(classify([frame("", "src/Function.ts"), make]), "type-projection")
25 assert.equal(classify([ast, frame("Struct", "src/Schema.ts")]), "ast")
26 assert.equal(classify([sync, make]), "make-sync")
27 assert.equal(classify([frame("makeConstructorSync", "src/SchemaParser.ts"), sync, make]), "make-sync")
28 })
29 it("keeps the second effect maker inside the Option adapter", () => {
30 assert.equal(classify([effect, option, make]), "make-option")
31 assert.equal(classify([effect, make]), "make-effect")
32 assert.equal(classify([make]), "schema-object")
33 })
34 it("excludes profiler setup and includes GC only between construction samples", () => {
35 const node = (id: number, callFrame: Runtime.CallFrame, children: Array<number> = []): Profiler.ProfileNode => ({
36 id,
37 callFrame,
38 children
39 })
40 const profile: Profiler.Profile = {
41 startTime: 1000,
42 endTime: 2000,
43 nodes: [
44 node(1, frame("(root)"), [2, 3, 4]),
45 node(2, frame("dispatch")),
46 node(3, frame("constructBatch", "runtimeperf/suites/schema-construction/worker.mts"), [5]),
47 node(4, frame("(garbage collector)")),
48 node(5, make)
49 ],
50 samples: [2, 4, 5, 4, 5, 2, 4],
51 timeDeltas: [100, 100, 100, 100, 100, 100, 100]
52 }
53 const result = analyzeProfile(profile)
54 assert.equal(result.totalSamples, 3)
55 assert.equal(result.excludedSamples, 4)
56 assert.equal(result.spanUs, 200)
57 assert.equal(result.counts["schema-object"], 2)
58 assert.equal(result.counts.gc, 1)
59 assert.equal(Object.values(result.counts).reduce((a, b) => a + b, 0), result.totalSamples)
60 assert.equal(analyzeProfile({ ...profile, samples: [2], timeDeltas: [100] }).totalSamples, 0)
61 })
62 it("retains zero shares and uses reproducible process-level intervals", () => {
63 assert.deepEqual(shareInterval([0, 0], 100), { mean: 0, low: 0, high: 0 })
64 assert.deepEqual(shareInterval([0.2, 0.5, 0.8], 100), shareInterval([0.2, 0.5, 0.8], 100))
65 assert.equal(shareInterval([0, 1], 100).mean, 0.5)
66 assert.throws(() => shareInterval([]), /assert|false/i)
67 })
68})