test: classify filesystem application workflows as boundaries

tests/boundary/filesystem/javascript-applications/javascriptApplicationModuleProvenance.test.ts

@@ -0,0 +1,70 @@
+import { writeFile } from "node:fs/promises";
+import { join } from "node:path";
+
+import { expect, it } from "vitest";
+
+import { createTestTempDirectory } from "../../../fixtures/temporaryDirectory.js";
+import { javascriptApplicationAnalysisResultSchema } from "../../../../src/domain/javascript/javascriptApplicationAnalysis.js";
+import { analyzeJavaScriptApplication } from "../../../support/javascriptApplicationScope.js";
+
+it.each([
+  {
+    expression:
+      'flag ? require("./dependency.js").value : require("./dependency.js").value',
+    resolved: true,
+  },
+  {
+    expression:
+      'require("./dependency.js").value || require("./dependency.js").value',
+    resolved: true,
+  },
+  {
+    expression: 'flag ? require("./dependency.js").value : localValue',
+    resolved: false,
+  },
+  {
+    expression: 'require("./dependency.js").value ?? localValue',
+    resolved: false,
+  },
+])(
+  "preserves export provenance for $expression",
+  async ({ expression, resolved }) => {
+    const root = await createTestTempDirectory("rea-js-module-provenance-");
+    await Promise.all([
+      writeFile(
+        join(root, "app.js"),
+        `const selected = ${expression};\nexport { selected };\n`,
+      ),
+      writeFile(join(root, "dependency.js"), "exports.value = 1;\n"),
+    ]);
+
+    const result = await analyzeJavaScriptApplication({
+      input_path: root,
+      format: "directory",
+    });
+    if (!result.ok) throw result.error;
+    const analysis = javascriptApplicationAnalysisResultSchema.parse(
+      JSON.parse(JSON.stringify(result.value.normalized_result)),
+    );
+
+    const exportImports = analysis.graph.edges.filter(
+      ({ relation, properties }) =>
+        relation === "imports" && properties.exported_name === "selected",
+    );
+    if (!resolved) {
+      expect(exportImports).toEqual([]);
+      return;
+    }
+    expect(exportImports).toContainEqual(
+      expect.objectContaining({
+        relation: "imports",
+        properties: expect.objectContaining({
+          specifier: "./dependency.js",
+          imported_path: ["value"],
+          resolved_path: "dependency.js",
+          resolution_status: "resolved",
+        }),
+      }),
+    );
+  },
+);