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/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import { describe, it, expect } from 'vitest';
import { parseAndFormatApiError } from './errorParsing.js';
import { StructuredError } from '@gemini-cli/core';
describe('parseAndFormatApiError', () => {
const rateLimitMessage =
'Please wait and try again later. To increase your limits, upgrade to a plan with higher limits, or use /auth to switch to using a paid API key from AI Studio at https://aistudio.google.com/apikey';
it('should format a valid API error JSON', () => {
const errorMessage =
'got status: 400 Bad Request. {"error":{"code":400,"message":"API key not valid. Please pass a valid API key.","status":"INVALID_ARGUMENT"}}';
const expected =
'[API Error: API key not valid. Please pass a valid API key. (Status: INVALID_ARGUMENT)]';
expect(parseAndFormatApiError(errorMessage)).toBe(expected);
});
it('should format a 429 API error JSON with the custom message', () => {
const errorMessage =
'got status: 429 Too Many Requests. {"error":{"code":429,"message":"Rate limit exceeded","status":"RESOURCE_EXHAUSTED"}}';
const expected = `[API Error: Rate limit exceeded (Status: RESOURCE_EXHAUSTED)]\n${rateLimitMessage}`;
expect(parseAndFormatApiError(errorMessage)).toBe(expected);
});
it('should return the original message if it is not a JSON error', () => {
const errorMessage = 'This is a plain old error message';
expect(parseAndFormatApiError(errorMessage)).toBe(
`[API Error: ${errorMessage}]`,
);
});
it('should return the original message for malformed JSON', () => {
const errorMessage = '[Stream Error: {"error": "malformed}';
expect(parseAndFormatApiError(errorMessage)).toBe(
`[API Error: ${errorMessage}]`,
);
});
it('should handle JSON that does not match the ApiError structure', () => {
const errorMessage = '[Stream Error: {"not_an_error": "some other json"}]';
expect(parseAndFormatApiError(errorMessage)).toBe(
`[API Error: ${errorMessage}]`,
);
});
it('should format a nested API error', () => {
const nestedErrorMessage = JSON.stringify({
error: {
code: 429,
message:
"Gemini 2.5 Pro Preview doesn't have a free quota tier. For more information on this error, head to: https://ai.google.dev/gemini-api/docs/rate-limits.",
status: 'RESOURCE_EXHAUSTED',
},
});
const errorMessage = JSON.stringify({
error: {
code: 429,
message: nestedErrorMessage,
status: 'Too Many Requests',
},
});
const expected = `[API Error: Gemini 2.5 Pro Preview doesn't have a free quota tier. For more information on this error, head to: https://ai.google.dev/gemini-api/docs/rate-limits. (Status: Too Many Requests)]\n${rateLimitMessage}`;
expect(parseAndFormatApiError(errorMessage)).toBe(expected);
});
it('should format a StructuredError', () => {
const error: StructuredError = {
message: 'A structured error occurred',
status: 500,
};
const expected = '[API Error: A structured error occurred]';
expect(parseAndFormatApiError(error)).toBe(expected);
});
it('should format a 429 StructuredError with the custom message', () => {
const error: StructuredError = {
message: 'Rate limit exceeded',
status: 429,
};
const expected = `[API Error: Rate limit exceeded]\n${rateLimitMessage}`;
expect(parseAndFormatApiError(error)).toBe(expected);
});
it('should handle an unknown error type', () => {
const error = 12345;
const expected = '[API Error: An unknown error occurred.]';
expect(parseAndFormatApiError(error)).toBe(expected);
});
});
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