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GuillaumeLagrangeGuillaumeLagrange
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refactor(vitest-plugin): move instrumented behavior in dedicated file
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3 files changed

+149
-139
lines changed

3 files changed

+149
-139
lines changed

‎packages/vitest-plugin/src/common.ts

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import { getGitDir } from "@codspeed/core";
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import path from "path";
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import { Suite, Task } from "vitest";
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import { getHooks } from "vitest/suite";
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type SuiteHooks = ReturnType<typeof getHooks>;
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function getSuiteHooks(suite: Suite, name: keyof SuiteHooks) {
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return getHooks(suite)?.[name] ?? [];
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}
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export async function callSuiteHook<T extends keyof SuiteHooks>(
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suite: Suite,
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currentTask: Task,
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name: T
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): Promise<void> {
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if (name === "beforeEach" && suite?.suite) {
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await callSuiteHook(suite.suite, currentTask, name);
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}
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const hooks = getSuiteHooks(suite, name);
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await Promise.all(hooks.map((fn) => fn()));
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if (name === "afterEach" && suite?.suite) {
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await callSuiteHook(suite.suite, currentTask, name);
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}
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}
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export function patchRootSuiteWithFullFilePath(suite: Suite) {
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if (suite.filepath === undefined) {
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throw new Error("filepath is undefined is the root suite");
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}
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const gitDir = getGitDir(suite.filepath);
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if (gitDir === undefined) {
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throw new Error("Could not find a git repository");
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}
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suite.name = path.relative(gitDir, suite.filepath);
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}

‎packages/vitest-plugin/src/instrumented.ts

Lines changed: 108 additions & 0 deletions
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import {
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logDebug,
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Measurement,
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mongoMeasurement,
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optimizeFunction,
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setupCore,
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teardownCore,
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} from "@codspeed/core";
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import { Benchmark, chai, Suite } from "vitest";
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import { NodeBenchmarkRunner } from "vitest/runners";
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import { getBenchFn } from "vitest/suite";
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import { callSuiteHook, patchRootSuiteWithFullFilePath } from "./common";
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const currentFileName =
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typeof __filename === "string"
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? __filename
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: new URL("instrumented.mjs", import.meta.url).pathname;
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/**
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* @deprecated
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* TODO: try to use something like `updateTask` from `@vitest/runner` instead to use the output
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* of vitest instead console.log but at the moment, `updateTask` is not exposed
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*/
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function logCodSpeed(message: string) {
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console.log(`[CodSpeed] ${message}`);
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}
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async function runInstrumentedBench(
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benchmark: Benchmark,
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currentSuiteName: string
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) {
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const uri = `${currentSuiteName}::${benchmark.name}`;
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const fn = getBenchFn(benchmark);
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await callSuiteHook(benchmark.suite, benchmark, "beforeEach");
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try {
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await optimizeFunction(fn);
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} catch (e) {
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// if the error is not an assertion error, we want to fail the run
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// we allow assertion errors because we want to be able to use `expect` in the benchmark to allow for better authoring
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// assertions are allowed to fail in the optimization phase since it might be linked to stateful code
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if (!(e instanceof chai.AssertionError)) {
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throw e;
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}
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}
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await callSuiteHook(benchmark.suite, benchmark, "afterEach");
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await callSuiteHook(benchmark.suite, benchmark, "beforeEach");
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await mongoMeasurement.start(uri);
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global.gc?.();
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await (async function __codspeed_root_frame__() {
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Measurement.startInstrumentation();
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// @ts-expect-error we do not need to bind the function to an instance of tinybench's Bench
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await fn();
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Measurement.stopInstrumentation(uri);
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})();
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await mongoMeasurement.stop(uri);
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await callSuiteHook(benchmark.suite, benchmark, "afterEach");
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logCodSpeed(`${uri} done`);
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}
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async function runInstrumentedBenchmarkSuite(
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suite: Suite,
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parentSuiteName?: string
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) {
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const currentSuiteName = parentSuiteName
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? parentSuiteName + "::" + suite.name
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: suite.name;
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// do not call `beforeAll` if we are in the root suite, since it is already called by vitest
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// see https://github.com/vitest-dev/vitest/blob/1fee63f2598edc228017f18eca325f85ee54aee0/packages/runner/src/run.ts#L293
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if (parentSuiteName !== undefined) {
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await callSuiteHook(suite, suite, "beforeAll");
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}
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for (const task of suite.tasks) {
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if (task.mode !== "run") continue;
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if (task.meta?.benchmark) {
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await runInstrumentedBench(task as Benchmark, currentSuiteName);
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} else if (task.type === "suite") {
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await runInstrumentedBenchmarkSuite(task, currentSuiteName);
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}
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}
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// do not call `afterAll` if we are in the root suite, since it is already called by vitest
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// see https://github.com/vitest-dev/vitest/blob/1fee63f2598edc228017f18eca325f85ee54aee0/packages/runner/src/run.ts#L324
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if (parentSuiteName !== undefined) {
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await callSuiteHook(suite, suite, "afterAll");
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}
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}
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export class InstrumentedRunner extends NodeBenchmarkRunner {
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async runSuite(suite: Suite): Promise<void> {
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logDebug(`PROCESS PID: ${process.pid} in ${currentFileName}`);
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setupCore();
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patchRootSuiteWithFullFilePath(suite);
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logCodSpeed(`running suite ${suite.name}`);
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await runInstrumentedBenchmarkSuite(suite);
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logCodSpeed(`running suite ${suite.name} done`);
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teardownCore();
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}
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}
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‎packages/vitest-plugin/src/runner.ts

Lines changed: 2 additions & 139 deletions
Original file line numberDiff line numberDiff line change
@@ -1,140 +1,3 @@
1-
import {
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getGitDir,
3-
logDebug,
4-
Measurement,
5-
mongoMeasurement,
6-
optimizeFunction,
7-
setupCore,
8-
teardownCore,
9-
} from "@codspeed/core";
10-
import path from "path";
11-
import { Benchmark, chai, Suite, Task } from "vitest";
12-
import { NodeBenchmarkRunner } from "vitest/runners";
13-
import { getBenchFn, getHooks } from "vitest/suite";
1+
import { InstrumentedRunner } from "./instrumented";
142

15-
type SuiteHooks = ReturnType<typeof getHooks>;
16-
17-
function getSuiteHooks(suite: Suite, name: keyof SuiteHooks) {
18-
return getHooks(suite)?.[name] ?? [];
19-
}
20-
21-
export async function callSuiteHook<T extends keyof SuiteHooks>(
22-
suite: Suite,
23-
currentTask: Task,
24-
name: T
25-
): Promise<void> {
26-
if (name === "beforeEach" && suite?.suite) {
27-
await callSuiteHook(suite.suite, currentTask, name);
28-
}
29-
30-
const hooks = getSuiteHooks(suite, name);
31-
32-
await Promise.all(hooks.map((fn) => fn()));
33-
34-
if (name === "afterEach" && suite?.suite) {
35-
await callSuiteHook(suite.suite, currentTask, name);
36-
}
37-
}
38-
39-
const currentFileName =
40-
typeof __filename === "string"
41-
? __filename
42-
: new URL("runner.mjs", import.meta.url).pathname;
43-
44-
/**
45-
* @deprecated
46-
* TODO: try to use something like `updateTask` from `@vitest/runner` instead to use the output
47-
* of vitest instead console.log but at the moment, `updateTask` is not exposed
48-
*/
49-
function logCodSpeed(message: string) {
50-
console.log(`[CodSpeed] ${message}`);
51-
}
52-
53-
async function runBench(benchmark: Benchmark, currentSuiteName: string) {
54-
const uri = `${currentSuiteName}::${benchmark.name}`;
55-
const fn = getBenchFn(benchmark);
56-
57-
await callSuiteHook(benchmark.suite, benchmark, "beforeEach");
58-
try {
59-
await optimizeFunction(fn);
60-
} catch (e) {
61-
// if the error is not an assertion error, we want to fail the run
62-
// we allow assertion errors because we want to be able to use `expect` in the benchmark to allow for better authoring
63-
// assertions are allowed to fail in the optimization phase since it might be linked to stateful code
64-
if (!(e instanceof chai.AssertionError)) {
65-
throw e;
66-
}
67-
}
68-
await callSuiteHook(benchmark.suite, benchmark, "afterEach");
69-
70-
await callSuiteHook(benchmark.suite, benchmark, "beforeEach");
71-
await mongoMeasurement.start(uri);
72-
global.gc?.();
73-
await (async function __codspeed_root_frame__() {
74-
Measurement.startInstrumentation();
75-
// @ts-expect-error we do not need to bind the function to an instance of tinybench's Bench
76-
await fn();
77-
Measurement.stopInstrumentation(uri);
78-
})();
79-
await mongoMeasurement.stop(uri);
80-
await callSuiteHook(benchmark.suite, benchmark, "afterEach");
81-
82-
logCodSpeed(`${uri} done`);
83-
}
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85-
async function runBenchmarkSuite(suite: Suite, parentSuiteName?: string) {
86-
const currentSuiteName = parentSuiteName
87-
? parentSuiteName + "::" + suite.name
88-
: suite.name;
89-
90-
// do not call `beforeAll` if we are in the root suite, since it is already called by vitest
91-
// see https://github.com/vitest-dev/vitest/blob/1fee63f2598edc228017f18eca325f85ee54aee0/packages/runner/src/run.ts#L293
92-
if (parentSuiteName !== undefined) {
93-
await callSuiteHook(suite, suite, "beforeAll");
94-
}
95-
96-
for (const task of suite.tasks) {
97-
if (task.mode !== "run") continue;
98-
99-
if (task.meta?.benchmark) {
100-
await runBench(task as Benchmark, currentSuiteName);
101-
} else if (task.type === "suite") {
102-
await runBenchmarkSuite(task, currentSuiteName);
103-
}
104-
}
105-
106-
// do not call `afterAll` if we are in the root suite, since it is already called by vitest
107-
// see https://github.com/vitest-dev/vitest/blob/1fee63f2598edc228017f18eca325f85ee54aee0/packages/runner/src/run.ts#L324
108-
if (parentSuiteName !== undefined) {
109-
await callSuiteHook(suite, suite, "afterAll");
110-
}
111-
}
112-
113-
function patchRootSuiteWithFullFilePath(suite: Suite) {
114-
if (suite.filepath === undefined) {
115-
throw new Error("filepath is undefined is the root suite");
116-
}
117-
const gitDir = getGitDir(suite.filepath);
118-
if (gitDir === undefined) {
119-
throw new Error("Could not find a git repository");
120-
}
121-
suite.name = path.relative(gitDir, suite.filepath);
122-
}
123-
124-
class CodSpeedRunner extends NodeBenchmarkRunner {
125-
async runSuite(suite: Suite): Promise<void> {
126-
logDebug(`PROCESS PID: ${process.pid} in ${currentFileName}`);
127-
setupCore();
128-
129-
patchRootSuiteWithFullFilePath(suite);
130-
131-
logCodSpeed(`running suite ${suite.name}`);
132-
133-
await runBenchmarkSuite(suite);
134-
logCodSpeed(`running suite ${suite.name} done`);
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136-
teardownCore();
137-
}
138-
}
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140-
export default CodSpeedRunner;
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export default InstrumentedRunner;

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