init

backend-node/test/deepseekConfig.test.js

@@ -0,0 +1,64 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+
+const {
+  applyDeepSeekChatOptions,
+  isDeepSeekOfficialConfig,
+} = require('../src/services/deepseekConfig');
+
+function baseBody(model) {
+  return {
+    model,
+    messages: [{ role: 'user', content: 'Hello' }],
+    temperature: 0.7,
+    max_tokens: 5,
+  };
+}
+
+test('detects official DeepSeek configs by provider or base URL', () => {
+  assert.equal(isDeepSeekOfficialConfig({ provider: 'deepseek' }), true);
+  assert.equal(isDeepSeekOfficialConfig({ base_url: 'https://api.deepseek.com' }), true);
+  assert.equal(isDeepSeekOfficialConfig({ provider: 'xy', base_url: 'https://api.302.ai/v1' }), false);
+});
+
+test('maps deprecated deepseek-chat to deepseek-v4-flash non-thinking mode', () => {
+  const body = applyDeepSeekChatOptions(
+    { provider: 'deepseek', base_url: 'https://api.deepseek.com' },
+    baseBody('deepseek-chat')
+  );
+
+  assert.equal(body.model, 'deepseek-v4-flash');
+  assert.deepEqual(body.thinking, { type: 'disabled' });
+  assert.equal(body.reasoning_effort, undefined);
+  assert.equal(body.temperature, 0.7);
+});
+
+test('maps deprecated deepseek-reasoner to deepseek-v4-flash thinking mode', () => {
+  const body = applyDeepSeekChatOptions(
+    { provider: 'deepseek', base_url: 'https://api.deepseek.com' },
+    baseBody('deepseek-reasoner')
+  );
+
+  assert.equal(body.model, 'deepseek-v4-flash');
+  assert.deepEqual(body.thinking, { type: 'enabled' });
+  assert.equal(body.temperature, undefined);
+});
+
+test('applies explicit DeepSeek thinking settings for V4 models', () => {
+  const body = applyDeepSeekChatOptions(
+    {
+      provider: 'deepseek',
+      base_url: 'https://api.deepseek.com',
+      settings: JSON.stringify({
+        deepseek_thinking: 'enabled',
+        deepseek_reasoning_effort: 'max',
+      }),
+    },
+    baseBody('deepseek-v4-pro')
+  );
+
+  assert.equal(body.model, 'deepseek-v4-pro');
+  assert.deepEqual(body.thinking, { type: 'enabled' });
+  assert.equal(body.reasoning_effort, 'max');
+  assert.equal(body.temperature, undefined);
+});