chore: add tests for kevisual and common environment variable resolution

test/common.ts

@@ -0,0 +1,51 @@
+import { Kevisual } from '../src/provider/index';
+import { createOpenAICompatible } from '@ai-sdk/openai-compatible';
+import { createAnthropic } from '@ai-sdk/anthropic';
+import { generateText } from 'ai';
+
+export function resolveEnvVars(value: string): string {
+  return value.replace(/{env:([^}]+)}/g, (_, varName) => {
+    const envValue = process.env[varName];
+    if (!envValue) {
+      throw new Error(`Environment variable ${varName} is not set`);
+    }
+    return envValue;
+  });
+}
+export const models = {
+  'doubao-ark-code-latest': 'doubao-ark-code-latest',
+  'GLM-4.7': 'GLM-4.7',
+  'MiniMax-M2.1': 'MiniMax-M2.1',
+  'qwen3-coder-plus': 'qwen3-coder-plus',
+  'hunyuan-a13b': 'hunyuan-a13b',
+}
+export const bailian = createOpenAICompatible({
+  baseURL: 'https://coding.dashscope.aliyuncs.com/v1',
+  name: 'custom-bailian',
+  apiKey: process.env.BAILIAN_CODE_API_KEY!,
+});
+
+export const zhipu = createOpenAICompatible({
+  baseURL: 'https://open.bigmodel.cn/api/coding/paas/v4',
+  name: 'custom-zhipu',
+  apiKey: process.env.ZHIPU_API_KEY!,
+});
+
+export const minimax = createAnthropic({
+  baseURL: 'https://api.minimaxi.com/anthropic/v1',
+  name: 'custom-minimax',
+  apiKey: process.env.MINIMAX_API_KEY!,
+});
+
+export const doubao = createOpenAICompatible({
+  baseURL: 'https://ark.cn-beijing.volces.com/api/coding/v3',
+  name: 'custom-doubao',
+  apiKey: process.env.DOUBAO_API_KEY!,
+});
+
+
+export const cnb = createOpenAICompatible({
+  baseURL: resolveEnvVars('https://api.cnb.cool/{env:CNB_REPO_SLUG}/-/ai/'),
+  name: 'custom-cnb',
+  apiKey: process.env.CNB_API_KEY!,
+});