test(javascript): consolidate source analysis and export regressions

src/domain/javascript/javascriptSemanticAnalysis.builtin_defaults.test.ts

@@ -1,39 +1,15 @@
 import { expect, it } from "vitest";
+
 import { analyzeJavaScriptSemantics } from "./javascriptSemanticAnalysis.js";
 
-it.each(["namespace", "default", "named-default"])(
-  "retains Node built-in effects from %s imports",
-  (mode) => {
-    const imports = ["fs", "child_process", "timers", "http"]
-      .map((name, index) => {
-        const declaration =
-          mode === "namespace"
-            ? `* as m${String(index)}`
-            : mode === "default"
-              ? `m${String(index)}`
-              : `{default as m${String(index)}}`;
-        return `import ${declaration} from 'node:${name}';`;
-      })
-      .join("\n");
-    const ir = analyzeJavaScriptSemantics(`${imports}
-    const text = m0.readFileSync('config.json','utf8');
-    const stream = m0.createReadStream('config.json'); stream.destroy();
-    const child = m1.spawn('/usr/bin/tool', ['--version']);
-    const timer = m2.setTimeout(work,1000); m2.clearTimeout(timer);
-    const request = m3.get('http://localhost/');
+it("does not assign built-in APIs to unrelated or shadowed bindings", () => {
+  const ir = analyzeJavaScriptSemantics(`
+    import fs from "./fs.js";
+    import { constants as constantsFs } from "node:fs";
+    fs.createReadStream("config.json");
+    constantsFs.createReadStream("config.json");
+    function run(fs) { fs.createReadStream("config.json"); }
   `);
-    expect(ir.configurationOperations).toHaveLength(1);
-    expect(ir.resourceOperations).toHaveLength(2);
-    expect(ir.childProcessSpawns).toHaveLength(1);
-    expect(ir.timerOperations).toHaveLength(2);
-    expect(ir.requestOperations).toHaveLength(1);
-  },
-);
 
-it.each([
-  "import fs from './fs.js'; fs.createReadStream('config.json');",
-  "import {constants as fs} from 'node:fs'; fs.createReadStream('config.json');",
-  "function run(fs) { fs.createReadStream('config.json'); }",
-])("does not invent a built-in namespace for %s", (source) => {
-  expect(analyzeJavaScriptSemantics(source).resourceOperations).toEqual([]);
+  expect(ir.resourceOperations).toEqual([]);
 });