mirror of
https://github.com/NanmiCoder/cc-haha
synced 2026-07-16 13:03:31 +08:00
43 lines
2.6 KiB
TypeScript
43 lines
2.6 KiB
TypeScript
import { describe, expect, test } from 'bun:test'
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import { signClaudeCodeCCHInString, signClaudeCodeCCHInTransformedString, xxHash64Seeded } from './claudeCodeCch.js'
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const encoder = new TextEncoder()
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describe('xxHash64Seeded', () => {
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test('matches xxHash64 reference values for seed 0', () => {
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expect(xxHash64Seeded(encoder.encode(''), 0n).toString(16)).toBe('ef46db3751d8e999')
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expect(xxHash64Seeded(encoder.encode('a'), 0n).toString(16)).toBe('d24ec4f1a98c6e5b')
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expect(xxHash64Seeded(encoder.encode('hello world'), 0n).toString(16)).toBe('45ab6734b21e6968')
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})
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})
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describe('signClaudeCodeCCHInString', () => {
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test('replaces Anthropic system billing placeholder with deterministic 5 hex signature', () => {
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const body = '{"system":[{"type":"text","text":"x-anthropic-billing-header: cc_version=2.1.92.693; cc_entrypoint=cli; cch=00000;"}],"messages":[{"role":"user","content":"hello from proxy"}]}'
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const signed = signClaudeCodeCCHInString(body)
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expect(signed).toMatch(/cch=[0-9a-f]{5};/)
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expect(signed).not.toContain('cch=00000;')
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})
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test('does not touch cch placeholder outside structured billing block', () => {
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const body = '{"messages":[{"role":"user","content":"please keep x-anthropic-billing-header: cc_version=2.1.92.abc; cc_entrypoint=cli; cch=00000; literal"}]}'
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expect(signClaudeCodeCCHInString(body)).toBe(body)
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})
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test('does not leave partial signatures when multiple placeholders exist', () => {
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const body = '{"system":[{"type":"text","text":"x-anthropic-billing-header: cc_version=2.1.92.abc; cc_entrypoint=cli; cch=00000;"},{"type":"text","text":"x-anthropic-billing-header: cc_version=2.1.92.def; cc_entrypoint=cli; cch=00000;"}],"messages":[{"role":"user","content":"hi"}]}'
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expect(signClaudeCodeCCHInString(body)).toBe(body)
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})
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test('does not partially sign when user text also contains a placeholder', () => {
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const body = '{"system":[{"type":"text","text":"x-anthropic-billing-header: cc_version=2.1.92.abc; cc_entrypoint=cli; cch=00000;"}],"messages":[{"role":"user","content":"literal x-anthropic-billing-header: cc_version=2.1.92.user; cc_entrypoint=cli; cch=00000;"}]}'
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expect(signClaudeCodeCCHInString(body)).toBe(body)
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})
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test('does not partially sign transformed body when user text also contains a placeholder', () => {
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const body = '{"messages":[{"role":"system","content":"x-anthropic-billing-header: cc_version=2.1.92.abc; cc_entrypoint=cli; cch=00000;"},{"role":"user","content":"literal x-anthropic-billing-header: cc_version=2.1.92.user; cc_entrypoint=cli; cch=00000;"}]}'
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expect(signClaudeCodeCCHInTransformedString(body)).toBe(body)
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})
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})
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