Initial Commit

packages/media/video/video-thumbnails/src/error-codes/error-codes.test.ts

@@ -0,0 +1,37 @@
+import { readFileSync } from "node:fs";
+import { join } from "node:path";
+import { describe, expect, it } from "@suaveplan/testing/runner";
+import { VIDEO_THUMBNAILS_CODES } from "./error-codes.js";
+
+describe("VIDEO_THUMBNAILS_CODES", () => {
+    it("exposes all nine codes under the VIDEO_THUMBNAILS namespace", {
+        timeout: 5000,
+    }, () => {
+        const values = Object.values(VIDEO_THUMBNAILS_CODES);
+        expect(values).toHaveLength(9);
+        for (const value of values) {
+            expect(value.startsWith("VIDEO_THUMBNAILS.")).toBe(true);
+        }
+    });
+
+    it("every code is thrown by a real call site", { timeout: 5000 }, () => {
+        const srcRoot = join(__dirname, "..");
+        const files = [
+            "runner/runner.ts",
+            "runner/fluent-ffmpeg-runner.ts",
+            "thumbnail-generator/thumbnail-generator.ts",
+            "sprite-sheet/sprite-sheet.ts",
+        ];
+        const corpus = files
+            .map((relative) => readFileSync(join(srcRoot, relative), "utf8"))
+            .join("\n");
+        for (const [reason, code] of Object.entries(VIDEO_THUMBNAILS_CODES)) {
+            const accessor = `VIDEO_THUMBNAILS_CODES.${reason}`;
+            const hasUsage = corpus.includes(accessor);
+            expect(
+                hasUsage,
+                `expected ${code} (${accessor}) referenced in a src/ call site`
+            ).toBe(true);
+        }
+    });
+});