feat(tools): 2.0 phase 5 wave 5a - image gap-fill (11 tools) (#225)

tests/integration/vignette.test.ts

@@ -0,0 +1,149 @@
+/**
+ * Integration tests for the vignette tool (/api/v1/tools/vignette).
+ *
+ * Covers vignette application, corner-darker-than-source assertion,
+ * dimension preservation, and schema validation.
+ */
+
+import { readFileSync } from "node:fs";
+import { join } from "node:path";
+import sharp from "sharp";
+import { afterAll, beforeAll, describe, expect, it } from "vitest";
+import { buildTestApp, createMultipartPayload, loginAsAdmin, type TestApp } from "./test-server.js";
+
+const FIXTURES = join(__dirname, "..", "fixtures");
+const PNG = readFileSync(join(FIXTURES, "test-200x150.png"));
+
+let testApp: TestApp;
+let app: TestApp["app"];
+let adminToken: string;
+
+beforeAll(async () => {
+  testApp = await buildTestApp();
+  app = testApp.app;
+  adminToken = await loginAsAdmin(app);
+}, 30_000);
+
+afterAll(async () => {
+  await testApp.cleanup();
+}, 10_000);
+
+describe("Vignette", () => {
+  it("applies vignette effect with default settings", async () => {
+    const { body, contentType } = createMultipartPayload([
+      { name: "file", filename: "test.png", contentType: "image/png", content: PNG },
+      { name: "settings", content: JSON.stringify({}) },
+    ]);
+
+    const res = await app.inject({
+      method: "POST",
+      url: "/api/v1/tools/vignette",
+      headers: {
+        authorization: `Bearer ${adminToken}`,
+        "content-type": contentType,
+      },
+      body,
+    });
+
+    expect(res.statusCode).toBe(200);
+    const result = JSON.parse(res.body);
+    expect(result.downloadUrl).toBeDefined();
+    expect(result.processedSize).toBeGreaterThan(0);
+  });
+
+  it("corner pixel is darker than the original source corner", async () => {
+    // Create a known white image so we can measure darkening
+    const whiteBuf = await sharp({
+      create: { width: 100, height: 100, channels: 3, background: { r: 255, g: 255, b: 255 } },
+    })
+      .png()
+      .toBuffer();
+
+    const { body, contentType } = createMultipartPayload([
+      { name: "file", filename: "white.png", contentType: "image/png", content: whiteBuf },
+      {
+        name: "settings",
+        content: JSON.stringify({ strength: 0.8, color: "#000000" }),
+      },
+    ]);
+
+    const res = await app.inject({
+      method: "POST",
+      url: "/api/v1/tools/vignette",
+      headers: {
+        authorization: `Bearer ${adminToken}`,
+        "content-type": contentType,
+      },
+      body,
+    });
+
+    expect(res.statusCode).toBe(200);
+    const result = JSON.parse(res.body);
+
+    const dlRes = await app.inject({
+      method: "GET",
+      url: result.downloadUrl,
+      headers: { authorization: `Bearer ${adminToken}` },
+    });
+
+    const rawMeta = await sharp(dlRes.rawPayload)
+      .removeAlpha()
+      .raw()
+      .toBuffer({ resolveWithObject: true });
+    const { data } = rawMeta;
+    // Corner pixel (0,0) should be darker than 255 (the original white)
+    const cornerR = data[0];
+    expect(cornerR).toBeLessThan(255);
+  });
+
+  it("preserves dimensions", async () => {
+    const { body, contentType } = createMultipartPayload([
+      { name: "file", filename: "test.png", contentType: "image/png", content: PNG },
+      {
+        name: "settings",
+        content: JSON.stringify({ strength: 0.5 }),
+      },
+    ]);
+
+    const res = await app.inject({
+      method: "POST",
+      url: "/api/v1/tools/vignette",
+      headers: {
+        authorization: `Bearer ${adminToken}`,
+        "content-type": contentType,
+      },
+      body,
+    });
+
+    expect(res.statusCode).toBe(200);
+    const result = JSON.parse(res.body);
+
+    const dlRes = await app.inject({
+      method: "GET",
+      url: result.downloadUrl,
+      headers: { authorization: `Bearer ${adminToken}` },
+    });
+    const meta = await sharp(dlRes.rawPayload).metadata();
+    expect(meta.width).toBe(200);
+    expect(meta.height).toBe(150);
+  });
+
+  it("rejects strength above maximum", async () => {
+    const { body, contentType } = createMultipartPayload([
+      { name: "file", filename: "test.png", contentType: "image/png", content: PNG },
+      { name: "settings", content: JSON.stringify({ strength: 2 }) },
+    ]);
+
+    const res = await app.inject({
+      method: "POST",
+      url: "/api/v1/tools/vignette",
+      headers: {
+        authorization: `Bearer ${adminToken}`,
+        "content-type": contentType,
+      },
+      body,
+    });
+
+    expect(res.statusCode).toBe(400);
+  });
+});