rea/tests/acceptance/applications/javascriptChildProcessArgum...

73 lines
2.5 KiB
TypeScript

import { join } from "node:path";
import { expect } from "vitest";
import { createTestTempDirectory } from "../../fixtures/temporaryDirectory.js";
import { cliTest } from "../../support/cli/cliFixture.js";
import { analyzeJavaScriptDirectory } from "../../support/cli/javascriptApplication.js";
import { writeFixtureFiles } from "../../support/javascriptApplicationFixture.js";
cliTest.for(["CLI", "stdio MCP"] as const)(
"keeps child argv counts unknown after spread through %s",
async (surface, { cli, processes }) => {
const root = await createTestTempDirectory("rea-child-argv-");
await writeFixtureFiles(root, {
"entry.mjs": [
'import { spawn, execFile, fork } from "node:child_process";',
'const args = ["a", "b"];',
'spawn("spread-spawn", [...args]);',
'execFile("spread-exec", ["prefix", ...args]);',
'fork("spread-fork", [...args, "suffix"]);',
'spawn("fixed", ["a", "b"]);',
'execFile("empty", []);',
].join("\n"),
"child.cjs": "console.log(process.argv.slice(2).length);",
});
const args = ["a", "b"];
const counts: number[] = [];
for (const values of [
[...args],
["prefix", ...args],
[...args, "suffix"],
["a", "b"],
[],
]) {
const control = await processes.run(
process.execPath,
[join(root, "child.cjs"), ...values],
{ timeoutMs: 5_000 },
);
expect(control.exitCode, control.stderr).toBe(0);
counts.push(Number(control.stdout));
}
expect(counts).toEqual([2, 3, 3, 2, 0]);
const graph = (await analyzeJavaScriptDirectory(surface, cli, root))
.semantic_graph;
const children = graph.nodes.filter(
(node) => node.kind === "child-process",
);
expect(children).toHaveLength(5);
for (const command of ["spread-spawn", "spread-exec", "spread-fork"]) {
const child = children.find(
(node) => node.properties.command === command,
);
expect(child?.properties.argv_count, command).toBeNull();
expect(
graph.relations.filter(
(relation) =>
relation.relation === "supplies-argv" &&
relation.target_node_id === child?.node_id,
),
).toEqual([]);
}
expect(
children.find((node) => node.properties.command === "fixed")?.properties
.argv_count,
).toBe(2);
expect(
children.find((node) => node.properties.command === "empty")?.properties
.argv_count,
).toBe(0);
},
);