wehub-resource-sync
68 lines
3.1 KiB
TypeScript
68 lines
3.1 KiB
TypeScript
// Regression test for #1475 — duplicate case-variant Anthropic headers.
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//
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// Node/undici's fetch lowercases and MERGES same-name headers, so an outbound
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// set carrying both "anthropic-version" and "Anthropic-Version" collapses into
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// a single "anthropic-version: 2023-06-01, 2023-06-01" value, which the
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// Anthropic API rejects. normalizeAnthropicHeaderVariants() reconciles the two
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// case variants down to one canonical lowercase header with a single value
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// (and a deduped, joined comma-list for anthropic-beta) before the request is
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// dispatched in BaseExecutor.buildHeaders / DefaultExecutor.buildHeaders.
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import test from "node:test";
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import assert from "node:assert/strict";
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import { normalizeAnthropicHeaderVariants } from "../../open-sse/config/anthropicHeaders.ts";
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import { DefaultExecutor } from "../../open-sse/executors/default.ts";
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test("normalizeAnthropicHeaderVariants collapses case-variant anthropic-version into one value", () => {
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const headers: Record<string, string> = {
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"anthropic-version": "2023-06-01",
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"Anthropic-Version": "2023-06-01",
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};
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normalizeAnthropicHeaderVariants(headers);
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// The mixed-case variant must be gone, and the lowercase one must carry a
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// single value (no "v, v" duplication that Anthropic rejects).
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assert.equal(headers["Anthropic-Version"], undefined);
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assert.equal(headers["anthropic-version"], "2023-06-01");
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assert.ok(!headers["anthropic-version"].includes(","));
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});
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test("normalizeAnthropicHeaderVariants dedupes and joins anthropic-beta variants", () => {
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const headers: Record<string, string> = {
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"anthropic-beta": "oauth-2025-04-20, prompt-caching",
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"Anthropic-Beta": "prompt-caching, fine-grained",
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};
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normalizeAnthropicHeaderVariants(headers);
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assert.equal(headers["Anthropic-Beta"], undefined);
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assert.equal(headers["anthropic-beta"], "oauth-2025-04-20,prompt-caching,fine-grained");
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});
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test("normalizeAnthropicHeaderVariants leaves a single lowercase header untouched", () => {
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const headers: Record<string, string> = { "anthropic-version": "2023-06-01" };
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normalizeAnthropicHeaderVariants(headers);
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assert.equal(headers["anthropic-version"], "2023-06-01");
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assert.equal(headers["Anthropic-Version"], undefined);
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});
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test("normalizeAnthropicHeaderVariants is a no-op when no anthropic headers are present", () => {
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const headers: Record<string, string> = { "Content-Type": "application/json" };
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normalizeAnthropicHeaderVariants(headers);
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assert.deepEqual(headers, { "Content-Type": "application/json" });
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});
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test("DefaultExecutor.buildHeaders does not emit duplicate anthropic-version variants for an anthropic-compatible provider", () => {
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const executor = new DefaultExecutor("anthropic-compatible-test");
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const headers = executor.buildHeaders({ apiKey: "sk-test" }, true) as Record<string, string>;
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// Whatever case the upstream registry/auth path used, only the canonical
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// lowercase header survives, with exactly one value.
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assert.equal(headers["Anthropic-Version"], undefined);
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if (headers["anthropic-version"] !== undefined) {
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assert.ok(!headers["anthropic-version"].includes(","));
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}
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});
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