57 lines
2.1 KiB
TypeScript
57 lines
2.1 KiB
TypeScript
import { describe, expect, it } from "vitest";
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import {
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acceptAttribute,
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allowedAttachmentKinds,
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detectFileType,
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formatFileSize,
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kindOf,
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} from "./attachments";
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const bytes = (...parts: (number[] | string)[]) =>
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new Uint8Array(
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parts.flatMap((p) => (typeof p === "string" ? [...p].map((c) => c.charCodeAt(0)) : p)),
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);
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describe("detectFileType", () => {
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it("imzalardan türü bulur", () => {
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expect(detectFileType(bytes([0xff, 0xd8, 0xff, 0xe0]))).toBe("jpeg");
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expect(detectFileType(bytes([0x89], "PNG", [0x0d, 0x0a, 0x1a, 0x0a]))).toBe("png");
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expect(detectFileType(bytes("RIFF", [0, 0, 0, 0], "WEBPVP8 "))).toBe("webp");
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expect(detectFileType(bytes("%PDF-1.7"))).toBe("pdf");
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});
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it("HEIC: ana veya uyumlu markadan", () => {
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expect(detectFileType(bytes([0, 0, 0, 24], "ftypheic", [0, 0, 0, 0], "mif1heic"))).toBe("heic");
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expect(detectFileType(bytes([0, 0, 0, 28], "ftypmif1", [0, 0, 0, 0], "mif1heichevc"))).toBe(
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"heic",
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);
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// MP4 videosu HEIC değildir.
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expect(detectFileType(bytes([0, 0, 0, 24], "ftypisom", [0, 0, 2, 0], "isomiso2"))).toBeNull();
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});
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it("uzantı/metin/kısa içerik reddedilir", () => {
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expect(detectFileType(bytes("<svg xmlns="))).toBeNull();
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expect(detectFileType(bytes("GIF89a"))).toBeNull();
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expect(detectFileType(bytes([0xff, 0xd8]))).toBeNull();
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expect(detectFileType(new Uint8Array())).toBeNull();
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});
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});
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describe("tür kuralları", () => {
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it("gider yalnızca görsel; gelir ve transfer görsel + PDF", () => {
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expect(allowedAttachmentKinds("expense")).toEqual(["image"]);
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expect(allowedAttachmentKinds("income")).toEqual(["image", "pdf"]);
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expect(allowedAttachmentKinds("transfer")).toEqual(["image", "pdf"]);
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expect(acceptAttribute(["image"])).not.toContain("pdf");
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expect(acceptAttribute(["image", "pdf"])).toContain("application/pdf");
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expect(kindOf("heic")).toBe("image");
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expect(kindOf("pdf")).toBe("pdf");
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});
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it("boyut biçimi", () => {
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expect(formatFileSize(900)).toBe("900 B");
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expect(formatFileSize(2048)).toBe("2 KB");
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expect(formatFileSize(1.5 * 1024 * 1024)).toBe("1,5 MB");
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});
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});
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