3ed3877ac9
Strip every comment from the source (parsed with the TypeScript compiler so strings, template literals, regex literals and JSX are never touched), and drop internal/working artifacts that do not belong in the public repository (design mockups, internal analysis docs, a stray backup file and an old log). No functional change: build is green, the full test suite passes.
62 lines
2.7 KiB
TypeScript
62 lines
2.7 KiB
TypeScript
import { describe, expect, it } from "vitest";
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import { planDownloadCompletion, validateDownloadedFileCompletion } from "../src/main/download-completion";
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describe("download-completion", () => {
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describe("planDownloadCompletion", () => {
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it("uses content-length when present", () => {
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const plan = planDownloadCompletion({
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existingBytes: 0, responseStatus: 200, contentLength: 1000,
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totalFromRange: null, knownTotal: null, correctedTotal: null
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});
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expect(plan.source).toBe("content-length");
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expect(plan.expectedTotal).toBe(1000);
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});
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it("falls back to stream-end when no size info is available", () => {
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const plan = planDownloadCompletion({
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existingBytes: 0, responseStatus: 200, contentLength: 0,
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totalFromRange: null, knownTotal: null, correctedTotal: null
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});
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expect(plan.source).toBe("stream-end");
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expect(plan.expectedTotal).toBeNull();
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});
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});
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describe("validateDownloadedFileCompletion", () => {
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const streamEnd = { expectedTotal: null, source: "stream-end" as const, canFinishEarly: false };
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const contentLength = (n: number) => ({ expectedTotal: n, source: "content-length" as const, canFinishEarly: true });
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const providerMeta = (n: number) => ({ expectedTotal: n, source: "provider-metadata" as const, canFinishEarly: false });
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it("rejects a 0-byte stream-end download (H3)", () => {
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const result = validateDownloadedFileCompletion({ actualBytes: 0, plan: streamEnd });
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expect(result.ok).toBe(false);
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expect(result.error).toContain("download_underflow");
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});
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it("accepts a non-empty stream-end download", () => {
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const result = validateDownloadedFileCompletion({ actualBytes: 5_000_000, plan: streamEnd });
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expect(result.ok).toBe(true);
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expect(result.totalBytes).toBe(5_000_000);
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});
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it("rejects an underflowing content-length download", () => {
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const result = validateDownloadedFileCompletion({ actualBytes: 400, plan: contentLength(1000), toleranceBytes: 0 });
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expect(result.ok).toBe(false);
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});
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it("accepts a complete content-length download", () => {
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const result = validateDownloadedFileCompletion({ actualBytes: 1000, plan: contentLength(1000) });
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expect(result.ok).toBe(true);
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});
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it("rejects a 0-byte download even with known provider size", () => {
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const result = validateDownloadedFileCompletion({ actualBytes: 0, plan: providerMeta(2000) });
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expect(result.ok).toBe(false);
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});
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it("accepts provider-metadata download and flags size mismatch", () => {
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const result = validateDownloadedFileCompletion({ actualBytes: 1900, plan: providerMeta(2000), toleranceBytes: 0 });
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expect(result.ok).toBe(false);
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});
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});
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});
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