Auto-discover and verify new gov dependencie

src/__tests__/unit/gov-update-codegen.test.ts

@@ -0,0 +1,135 @@
+import { describe, it, expect } from "@jest/globals";
+import {
+  addEntries,
+  existingKeys,
+  DataFileEntry,
+} from "../../gov-update/codegen.js";
+
+const FIXTURE = `export interface ReusedCodeEntry {
+  name: string;
+  URL: string;
+}
+
+const BATCHEE: ReusedCodeEntry = {
+  name: "batchee (NASA)",
+  URL: "https://github.com/nasa/batchee",
+};
+
+const NGX_TOOL: ReusedCodeEntry = {
+  name: "ngx-tool (GSA)",
+  URL: "https://github.com/gsa/ngx-tool",
+};
+
+export const GOV_DEPENDENCIES: Record<string, ReusedCodeEntry> = {
+  "@gsa/ngx-tool": NGX_TOOL,
+  batchee: BATCHEE,
+};
+
+export const GOV_DEPENDENCIES_PYPI: Record<string, ReusedCodeEntry> = {
+  batchee: BATCHEE,
+};
+`;
+
+describe("existingKeys", () => {
+  it("reads keys from both maps", () => {
+    expect([...existingKeys(FIXTURE, "npm")].sort()).toEqual([
+      "@gsa/ngx-tool",
+      "batchee",
+    ]);
+    expect([...existingKeys(FIXTURE, "pypi")]).toEqual(["batchee"]);
+  });
+});
+
+describe("addEntries", () => {
+  it("inserts an unscoped npm key alphabetically with a new const", () => {
+    const entries: DataFileEntry[] = [
+      {
+        eco: "npm",
+        key: "amortize",
+        displayName: "amortize (CFPB)",
+        url: "https://github.com/cfpb/amortize",
+      },
+    ];
+    const out = addEntries(FIXTURE, entries);
+    expect(out).toContain("const AMORTIZE: ReusedCodeEntry = {");
+    expect(out).toContain('  name: "amortize (CFPB)",');
+    const npmBlock = out.slice(out.indexOf("GOV_DEPENDENCIES:"));
+    expect(npmBlock.indexOf("amortize: AMORTIZE")).toBeLessThan(
+      npmBlock.indexOf("batchee: BATCHEE"),
+    );
+  });
+
+  it("groups scoped npm keys among the existing scoped block", () => {
+    const entries: DataFileEntry[] = [
+      {
+        eco: "npm",
+        key: "@cfpb/analytics",
+        displayName: "analytics (CFPB)",
+        url: "https://github.com/cfpb/analytics",
+      },
+    ];
+    const out = addEntries(FIXTURE, entries);
+    const npmBlock = out.slice(
+      out.indexOf("GOV_DEPENDENCIES:"),
+      out.indexOf("GOV_DEPENDENCIES_PYPI:"),
+    );
+    expect(npmBlock).toContain('"@cfpb/analytics": CFPB_ANALYTICS');
+    expect(npmBlock.indexOf("@cfpb/analytics")).toBeLessThan(
+      npmBlock.indexOf("batchee: BATCHEE"),
+    );
+  });
+
+  it("reuses an existing const when the repo URL already appears", () => {
+    const entries: DataFileEntry[] = [
+      {
+        eco: "pypi",
+        key: "batchee-mirror",
+        displayName: "batchee-mirror (NASA)",
+        url: "https://github.com/nasa/batchee",
+      },
+    ];
+    const out = addEntries(FIXTURE, entries);
+    expect(out).toContain('"batchee-mirror": BATCHEE');
+    expect(out.match(/const BATCHEE:/g)).toHaveLength(1);
+  });
+
+  it("quotes keys that are not valid identifiers", () => {
+    const entries: DataFileEntry[] = [
+      {
+        eco: "pypi",
+        key: "scikit-learn-gov",
+        displayName: "scikit-learn-gov (NIST)",
+        url: "https://github.com/usnistgov/scikit-learn-gov",
+      },
+    ];
+    const out = addEntries(FIXTURE, entries);
+    expect(out).toContain('"scikit-learn-gov": SCIKIT_LEARN_GOV');
+  });
+
+  it("prefixes const names that would start with a digit", () => {
+    const entries: DataFileEntry[] = [
+      {
+        eco: "pypi",
+        key: "3d-viz",
+        displayName: "3d-viz (NASA)",
+        url: "https://github.com/nasa/3d-viz",
+      },
+    ];
+    const out = addEntries(FIXTURE, entries);
+    expect(out).toContain("const PKG_3D_VIZ: ReusedCodeEntry = {");
+    expect(out).toContain('"3d-viz": PKG_3D_VIZ');
+  });
+
+  it("is idempotent-safe for keys already present", () => {
+    const before = existingKeys(FIXTURE, "npm").size;
+    const out = addEntries(FIXTURE, [
+      {
+        eco: "npm",
+        key: "amortize",
+        displayName: "amortize (CFPB)",
+        url: "https://github.com/cfpb/amortize",
+      },
+    ]);
+    expect(existingKeys(out, "npm").size).toBe(before + 1);
+  });
+});