restore repo structure

server/tests/utils/imageProcessing.test.js

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+import { expect } from "chai";
+import sinon from "sinon";
+import sharp from "sharp";
+import { GenerateAvatarImage } from "../../utils/imageProcessing.js";
+
+describe("imageProcessing - GenerateAvatarImage", function () {
+	it("should resize the image to 64x64 and return a base64 string", async function () {
+		const file = {
+			buffer: Buffer.from("test image buffer"),
+		};
+
+		// Stub the sharp function
+		const toBufferStub = sinon.stub().resolves(Buffer.from("resized image buffer"));
+		const resizeStub = sinon.stub().returns({ toBuffer: toBufferStub });
+		const sharpStub = sinon
+			.stub(sharp.prototype, "resize")
+			.returns({ toBuffer: toBufferStub });
+
+		const result = await GenerateAvatarImage(file);
+
+		// Verify the result
+		const expected = Buffer.from("resized image buffer").toString("base64");
+		expect(result).to.equal(expected);
+
+		// Verify that the sharp function was called with the correct arguments
+		expect(sharpStub.calledOnceWith({ width: 64, height: 64, fit: "cover" })).to.be.true;
+		expect(toBufferStub.calledOnce).to.be.true;
+
+		// Restore the stubbed functions
+		sharpStub.restore();
+	});
+
+	it("should throw an error if resizing fails", async function () {
+		const file = {
+			buffer: Buffer.from("test image buffer"),
+		};
+
+		// Stub the sharp function to throw an error
+		const toBufferStub = sinon.stub().rejects(new Error("Resizing failed"));
+		const resizeStub = sinon.stub().returns({ toBuffer: toBufferStub });
+		const sharpStub = sinon
+			.stub(sharp.prototype, "resize")
+			.returns({ toBuffer: toBufferStub });
+
+		try {
+			await GenerateAvatarImage(file);
+			// If no error is thrown, fail the test
+			expect.fail("Expected error to be thrown");
+		} catch (error) {
+			// Verify that the error message is correct
+			expect(error.message).to.equal("Resizing failed");
+		}
+
+		// Restore the stubbed functions
+		sharpStub.restore();
+	});
+});