wehub-resource-sync
113 lines
4.0 KiB
TypeScript
113 lines
4.0 KiB
TypeScript
import { test } from "node:test";
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import assert from "node:assert/strict";
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import {
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stripStaleEncodingHeaders,
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filterUpstreamResponseHeaderEntries,
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STRIP_UPSTREAM_HEADER_NAMES,
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} from "../../open-sse/utils/upstreamResponseHeaders.ts";
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test("stripStaleEncodingHeaders: removes content-encoding/length/transfer-encoding (lowercase)", () => {
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const input = new Headers({
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"content-encoding": "gzip",
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"content-length": "1234",
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"transfer-encoding": "chunked",
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"content-type": "application/json",
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"x-request-id": "abc",
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});
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const out = stripStaleEncodingHeaders(input);
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assert.strictEqual(out.get("content-encoding"), null);
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assert.strictEqual(out.get("content-length"), null);
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assert.strictEqual(out.get("transfer-encoding"), null);
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assert.strictEqual(out.get("content-type"), "application/json");
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assert.strictEqual(out.get("x-request-id"), "abc");
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});
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test("stripStaleEncodingHeaders: removes mixed-case header names (case-insensitive)", () => {
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const input = new Headers({
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"Content-Encoding": "gzip",
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"Content-Length": "1234",
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"Transfer-Encoding": "chunked",
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"Content-Type": "text/plain",
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});
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const out = stripStaleEncodingHeaders(input);
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assert.strictEqual(out.get("content-encoding"), null);
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assert.strictEqual(out.get("content-length"), null);
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assert.strictEqual(out.get("transfer-encoding"), null);
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assert.strictEqual(out.get("content-type"), "text/plain");
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});
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test("stripStaleEncodingHeaders: does not mutate the input Headers", () => {
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const input = new Headers({
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"content-encoding": "gzip",
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"content-type": "application/json",
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});
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const out = stripStaleEncodingHeaders(input);
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assert.strictEqual(input.get("content-encoding"), "gzip");
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assert.strictEqual(out.get("content-encoding"), null);
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});
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test("stripStaleEncodingHeaders: empty input returns empty Headers", () => {
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const out = stripStaleEncodingHeaders(new Headers());
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// Iterate to confirm no entries.
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const entries: Array<[string, string]> = [];
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out.forEach((v, k) => entries.push([k, v]));
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assert.deepEqual(entries, []);
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});
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test("filterUpstreamResponseHeaderEntries: strips default header set", () => {
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const entries: Array<[string, string]> = [
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["content-encoding", "gzip"],
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["content-length", "1234"],
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["transfer-encoding", "chunked"],
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["content-type", "application/json"],
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["x-request-id", "abc"],
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];
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const out = filterUpstreamResponseHeaderEntries(entries);
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assert.deepEqual(out, [
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["content-type", "application/json"],
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["x-request-id", "abc"],
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]);
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});
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test("filterUpstreamResponseHeaderEntries: extraToStrip is case-insensitive", () => {
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const entries: Array<[string, string]> = [
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["Content-Type", "text/event-stream"],
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["X-Request-Id", "abc"],
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];
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const out = filterUpstreamResponseHeaderEntries(entries, ["CONTENT-TYPE"]);
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assert.deepEqual(out, [["X-Request-Id", "abc"]]);
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});
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test("filterUpstreamResponseHeaderEntries: empty extraToStrip preserves non-default headers", () => {
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const entries: Array<[string, string]> = [
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["content-type", "application/json"],
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["x-custom", "value"],
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];
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const out = filterUpstreamResponseHeaderEntries(entries, []);
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assert.deepEqual(out, [
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["content-type", "application/json"],
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["x-custom", "value"],
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]);
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});
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test("filterUpstreamResponseHeaderEntries: empty input returns empty array", () => {
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const out = filterUpstreamResponseHeaderEntries([]);
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assert.deepEqual(out, []);
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});
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test("filterUpstreamResponseHeaderEntries: handles mixed-case default header names", () => {
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const entries: Array<[string, string]> = [
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["Content-Encoding", "gzip"],
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["X-Custom", "v"],
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];
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const out = filterUpstreamResponseHeaderEntries(entries);
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assert.deepEqual(out, [["X-Custom", "v"]]);
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});
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test("STRIP_UPSTREAM_HEADER_NAMES: contains expected three lowercase names", () => {
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assert.strictEqual(STRIP_UPSTREAM_HEADER_NAMES.size, 3);
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assert.ok(STRIP_UPSTREAM_HEADER_NAMES.has("content-encoding"));
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assert.ok(STRIP_UPSTREAM_HEADER_NAMES.has("content-length"));
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assert.ok(STRIP_UPSTREAM_HEADER_NAMES.has("transfer-encoding"));
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});
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