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import { expect } from "vitest";
import { createTestTempDirectory } from "../../fixtures/temporaryDirectory.js";
import { cliTest } from "../../support/cli/cliFixture.js";
import {
analyzeJavaScriptDirectory,
runNodeJsonControl,
} from "../../support/cli/javascriptApplication.js";
import { writeFixtureFiles } from "../../support/javascriptApplicationFixture.js";
const cases = [
{
name: "whole app ESM",
body: "export {app};",
esm: true,
changed: true,
oracle: "module.exports={app};",
},
{ name: "whole app CommonJS", body: "module.exports={app};", changed: true },
{
name: "later local assign",
body: "Object.assign(exports,{change:app.setAppPath},{change(){}});",
changed: false,
},
{
name: "later native assign",
body: "Object.assign(exports,{change(){}},{change:app.setAppPath});",
changed: true,
},
{
name: "inherited setter",
body: "const source={__proto__:{change:app.setAppPath}};Object.assign(exports,source);",
changed: false,
},
{
name: "own setter",
body: "const source={__proto__:{change(){}},change:app.setAppPath};Object.assign(exports,source);",
changed: true,
},
] as const;
cliTest.for(
(["CLI", "stdio MCP"] as const).flatMap((surface) =>
cases.map((test) => ({ ...test, surface })),
),
)(
"retains only the actually published $name app capability through $surface",
async (test, { cli }) => {
const { surface, body, changed } = test;
const esm = "esm" in test && test.esm;
const root = await createTestTempDirectory("rea-published-app-owner-");
const prefix = esm
? 'import {app} from "electron";'
: 'const {app}=require("electron");';
const helper = `shared/helper.${esm ? "mjs" : "cjs"}`;
const oracleBody = "oracle" in test ? test.oracle : body;
await writeFixtureFiles(root, {
"app/package.json": JSON.stringify({
main: esm ? "main.mjs" : "main.cjs",
}),
[`app/main.${esm ? "mjs" : "cjs"}`]: esm
? 'import * as api from "../shared/helper.mjs";import {BrowserWindow} from "electron";api.app.setAppPath("./other");new BrowserWindow().loadFile("index.html");'
: 'const api=require("../shared/helper.cjs");const {BrowserWindow}=require("electron");if(api.app)api.app.setAppPath("./other");else if(api.change)api.change("./other");new BrowserWindow().loadFile("index.html");',
[helper]: prefix + body,
"app/index.html": "package root decoy for native setters",
"shared/index.html": "helper-relative decoy",
"oracle.cjs": `const vm=require('node:vm');let changed=0;const app={setAppPath(){changed++}};const fixtureModule={exports:{}};vm.runInNewContext(${JSON.stringify(oracleBody)},{app,module:fixtureModule,exports:fixtureModule.exports});const value=fixtureModule.exports;if(value.app)value.app.setAppPath('./other');else if(value.change)value.change.call(app,'./other');console.log(JSON.stringify({changed:changed>0}));`,
});
expect(await runNodeJsonControl(root, "oracle.cjs")).toEqual({ changed });
const { graph } = await analyzeJavaScriptDirectory(surface, cli, root, {
sourcePaths: [
"app/package.json",
`app/main.${esm ? "mjs" : "cjs"}`,
helper,
],
});
const roles = graph.nodes.filter(
({ kind }) => kind === "electron-renderer",
);
expect(roles).toHaveLength(1);
const target = changed ? null : "app/index.html";
expect(roles[0]?.observations).toEqual(
expect.arrayContaining([
expect.objectContaining({
properties: expect.objectContaining({
resolved_path: target,
resolution_status: changed ? "unavailable" : "resolved",
}),
}),
]),
);
expect(
graph.edges
.filter(
({ relation, source_node_id }) =>
relation === "maps_to" && source_node_id === roles[0]?.node_id,
)
.map(({ properties }) => properties.resolved_path),
).toEqual(target === null ? [] : [target]);
},
);