73 lines
2.7 KiB
TypeScript
73 lines
2.7 KiB
TypeScript
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import { writeFile } from "node:fs/promises";
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import { join } from "node:path";
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import { expect, it } from "vitest";
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import { createTestTempDirectory } from "../../tests/fixtures/temporaryDirectory.js";
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import { javascriptApplicationAnalysisResultSchema } from "../domain/javascriptApplicationAnalysis.js";
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import { analyzeJavaScriptApplication } from "./JavaScriptApplicationService.js";
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const analyzeSource = async (source: string) => {
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const inputPath = await createTestTempDirectory("rea-js-empty-literal-");
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await writeFile(join(inputPath, "app.js"), `${source}\n`);
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const result = await analyzeJavaScriptApplication({
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input_path: inputPath,
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format: "directory",
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});
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if (!result.ok)
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throw new Error(`Expected analysis success: ${result.error.message}`);
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return javascriptApplicationAnalysisResultSchema.parse(
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result.value.normalized_result,
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);
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};
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it.each([
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"fetch('');",
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"new WebSocket('');",
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"navigator.serviceWorker.register('');",
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"new Worker('');",
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"const x = require('');",
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"import y from ''; y();",
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"import('');",
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"localStorage.getItem('');",
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"localStorage.setItem('', 1);",
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"indexedDB.open('');",
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"win.loadFile('');",
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"win.loadURL('');",
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"app.get('', handler);",
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"process.on('', () => 1);",
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"const { EventEmitter } = require('events'); new EventEmitter().on('', () => 1);",
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"const { spawn } = require('child_process'); spawn('/bin/x').on('', () => 1);",
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"const { ipcMain } = require('electron'); ipcMain.handle('', () => 1);",
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"const { ipcRenderer } = require('electron'); ipcRenderer.invoke('');",
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"const { contextBridge } = require('electron'); contextBridge.exposeInMainWorld('', {});",
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])("analyzes the legal empty string literal in %s", async (source) => {
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await expect(analyzeSource(source)).resolves.toBeDefined();
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});
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it("displays empty literals as nonempty text while retaining exact values", async () => {
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const output = await analyzeSource(
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"fetch(''); fetch('/api'); process.on('', () => 1);",
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);
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const endpoints = output.graph.nodes
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.filter(({ kind }) => kind === "endpoint")
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.map(({ identity, observations }) => ({
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key: identity.strategy === "artifact-local-key" ? identity.key : null,
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labels: observations.map(({ label }) => label),
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values: observations.map(({ properties }) => properties.value),
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}));
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expect(endpoints).toEqual(
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expect.arrayContaining([
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{ key: '""', labels: ['""'], values: [""] },
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{ key: "/api", labels: ["/api"], values: ["/api"] },
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]),
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);
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expect(
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output.semantic_graph?.nodes
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.filter(({ kind }) => kind === "event")
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.map(({ label, properties }) => ({
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label,
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eventName: properties.event_name,
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})),
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).toEqual([{ label: '""', eventName: "" }]);
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});
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