fix(tests): resolve LLM streaming unit test failures

closer to fixing...

closer...

very close to passing...

apps/server/src/routes/api/llm.spec.ts

@@ -14,7 +14,9 @@ vi.mock("../csrf_protection.js", () => ({
 // Mock WebSocket service
 vi.mock("../../services/ws.js", () => ({
     default: {
-        sendMessageToAllClients: vi.fn()
+        sendMessageToAllClients: vi.fn(),
+        sendTransactionEntityChangesToAllClients: vi.fn(),
+        setLastSyncedPush: vi.fn()
     }
 }));
 
@@ -65,7 +67,11 @@ vi.mock("../../services/llm/config/configuration_helpers.js", () => ({
 // Mock options service
 vi.mock("../../services/options.js", () => ({
     default: {
-        getOptionBool: vi.fn()
+        getOptionBool: vi.fn(() => false),
+        getOptionMap: vi.fn(() => new Map()),
+        createOption: vi.fn(),
+        getOption: vi.fn(() => '0'),
+        getOptionOrNull: vi.fn(() => null)
     }
 }));
 

apps/server/src/services/llm/providers/integration/streaming.spec.ts

@@ -79,7 +79,8 @@ describe('Provider Streaming Integration Tests', () => {
         it('should handle OpenAI tool calls', async () => {
             const openAIWithTools = [
                 {
-                    choices: [{ delta: { content: 'Let me calculate that' } }]
+                    choices: [{ delta: { content: 'Let me calculate that' } }],
+                    model: 'gpt-3.5-turbo'
                 },
                 {
                     choices: [{
@@ -93,12 +94,18 @@ describe('Provider Streaming Integration Tests', () => {
                                 }
                             }]
                         }
-                    }]
+                    }],
+                    model: 'gpt-3.5-turbo'
                 },
                 {
-                    choices: [{ delta: { content: 'The answer is 4' } }]
+                    choices: [{ delta: { content: 'The answer is 4' } }],
+                    model: 'gpt-3.5-turbo'
                 },
-                { done: true }
+                { 
+                    choices: [{ finish_reason: 'stop' }],
+                    model: 'gpt-3.5-turbo',
+                    done: true 
+                }
             ];
 
             const mockIterator = {
@@ -314,7 +321,7 @@ describe('Provider Streaming Integration Tests', () => {
             expect(result.completeText).toBe('Based on my analysis, the answer is 42.');
             
             // Verify thinking states were captured
-            const thinkingChunks = receivedChunks.filter(c => c.chunk?.thinking);
+            const thinkingChunks = receivedChunks.filter(c => c.chunk?.message?.thinking);
             expect(thinkingChunks.length).toBe(2);
         });
     });

apps/server/src/services/llm/providers/stream_handler.ts

@@ -24,6 +24,24 @@ export interface StreamProcessingOptions {
     modelName: string;
 }
 
+/**
+ * Helper function to extract content from a chunk based on provider's response format
+ * Different providers may have different chunk structures
+ */
+function getChunkContentProperty(chunk: any): string | null {
+    // Check common content locations in different provider responses
+    if (chunk.message?.content && typeof chunk.message.content === 'string') {
+        return chunk.message.content;
+    }
+    if (chunk.content && typeof chunk.content === 'string') {
+        return chunk.content;
+    }
+    if (chunk.choices?.[0]?.delta?.content && typeof chunk.choices[0].delta.content === 'string') {
+        return chunk.choices[0].delta.content;
+    }
+    return null;
+}
+
 /**
  * Stream processor that handles common streaming operations
  */
@@ -42,23 +60,27 @@ export class StreamProcessor {
 
         // Enhanced logging for content chunks and completion status
         if (chunkCount === 1 || chunkCount % 10 === 0 || chunk.done) {
-            log.info(`Processing ${options.providerName} stream chunk #${chunkCount}, done=${!!chunk.done}, has content=${!!chunk.message?.content}, content length=${chunk.message?.content?.length || 0}`);
+            const contentProp = getChunkContentProperty(chunk);
+            log.info(`Processing ${options.providerName} stream chunk #${chunkCount}, done=${!!chunk.done}, has content=${!!contentProp}, content length=${contentProp?.length || 0}`);
             logged = true;
         }
 
-        // Extract content if available
+        // Extract content if available using the same logic as getChunkContentProperty
-        if (chunk.message?.content) {
+        const contentProperty = getChunkContentProperty(chunk);
-            textToAdd = chunk.message.content;
+        if (contentProperty) {
+            textToAdd = contentProperty;
             const newCompleteText = completeText + textToAdd;
 
             if (chunkCount === 1) {
                 // Log the first chunk more verbosely for debugging
-                log.info(`First content chunk [${chunk.message.content.length} chars]: "${textToAdd.substring(0, 100)}${textToAdd.length > 100 ? '...' : ''}"`);
+                const textStr = String(textToAdd);
+                const textPreview = textStr.substring(0, 100);
+                log.info(`First content chunk [${contentProperty.length} chars]: "${textPreview}${textStr.length > 100 ? '...' : ''}"`);
             }
 
             // For final chunks with done=true, log more information
             if (chunk.done) {
-                log.info(`Final content chunk received with done=true flag. Length: ${chunk.message.content.length}`);
+                log.info(`Final content chunk received with done=true flag. Length: ${contentProperty.length}`);
             }
 
             return { completeText: newCompleteText, logged };
@@ -103,7 +125,13 @@ export class StreamProcessor {
                 log.info(`Successfully called streamCallback with done=true flag`);
             }
         } catch (callbackError) {
-            log.error(`Error in streamCallback: ${callbackError}`);
+            try {
+                log.error(`Error in streamCallback: ${callbackError}`);
+            } catch (loggingError) {
+                // If logging fails, there's not much we can do - just continue
+                // We don't want to break the stream processing because of logging issues
+            }
+            // Note: We don't re-throw callback errors to avoid breaking the stream
         }
     }
 
@@ -128,7 +156,12 @@ export class StreamProcessor {
 
             log.info(`Final callback sent successfully with done=true flag`);
         } catch (finalCallbackError) {
-            log.error(`Error in final streamCallback: ${finalCallbackError}`);
+            try {
+                log.error(`Error in final streamCallback: ${finalCallbackError}`);
+            } catch (loggingError) {
+                // If logging fails, there's not much we can do - just continue
+            }
+            // Note: We don't re-throw final callback errors to avoid breaking the stream
         }
     }
 
@@ -136,6 +169,7 @@ export class StreamProcessor {
      * Detect and extract tool calls from a response chunk
      */
     static extractToolCalls(chunk: any): any[] {
+        // Check message.tool_calls first (common format)
         if (chunk.message?.tool_calls &&
             Array.isArray(chunk.message.tool_calls) &&
             chunk.message.tool_calls.length > 0) {
@@ -144,6 +178,15 @@ export class StreamProcessor {
             return [...chunk.message.tool_calls];
         }
 
+        // Check OpenAI format: choices[0].delta.tool_calls
+        if (chunk.choices?.[0]?.delta?.tool_calls &&
+            Array.isArray(chunk.choices[0].delta.tool_calls) &&
+            chunk.choices[0].delta.tool_calls.length > 0) {
+
+            log.info(`Detected ${chunk.choices[0].delta.tool_calls.length} OpenAI tool calls in stream chunk`);
+            return [...chunk.choices[0].delta.tool_calls];
+        }
+
         return [];
     }
 
@@ -274,6 +317,7 @@ export async function processProviderStream(
     let responseToolCalls: any[] = [];
     let finalChunk: any | null = null;
     let chunkCount = 0;
+    let streamComplete = false; // Track if done=true has been received
 
     try {
         log.info(`Starting ${options.providerName} stream processing with model ${options.modelName}`);
@@ -286,9 +330,20 @@ export async function processProviderStream(
 
         // Process each chunk
         for await (const chunk of streamIterator) {
+            // Skip null/undefined chunks to handle malformed responses
+            if (chunk === null || chunk === undefined) {
+                chunkCount++;
+                continue;
+            }
+            
             chunkCount++;
             finalChunk = chunk;
 
+            // If we've already received done=true, ignore subsequent chunks but still count them
+            if (streamComplete) {
+                continue;
+            }
+
             // Process chunk with StreamProcessor
             const result = await StreamProcessor.processChunk(
                 chunk,
@@ -309,7 +364,9 @@ export async function processProviderStream(
             if (streamCallback) {
                 // For chunks with content, send the content directly
                 const contentProperty = getChunkContentProperty(chunk);
-                if (contentProperty) {
+                const hasRealContent = contentProperty && contentProperty.trim().length > 0;
+                
+                if (hasRealContent) {
                     await StreamProcessor.sendChunkToCallback(
                         streamCallback,
                         contentProperty,
@@ -335,12 +392,24 @@ export async function processProviderStream(
                         chunk,
                         chunkCount
                     );
+                } else if (chunk.message?.thinking || chunk.thinking) {
+                    // Send callback for thinking chunks (Anthropic format)
+                    await StreamProcessor.sendChunkToCallback(
+                        streamCallback,
+                        '',
+                        !!chunk.done,
+                        chunk,
+                        chunkCount
+                    );
                 }
             }
 
-            // Log final chunk
+            // Mark stream as complete if done=true is received
-            if (chunk.done && !result.logged) {
+            if (chunk.done) {
-                log.info(`Reached final chunk (done=true) after ${chunkCount} chunks, total content length: ${completeText.length}`);
+                streamComplete = true;
+                if (!result.logged) {
+                    log.info(`Reached final chunk (done=true) after ${chunkCount} chunks, total content length: ${completeText.length}`);
+                }
             }
         }
 
@@ -359,30 +428,21 @@ export async function processProviderStream(
             chunkCount
         };
     } catch (error) {
-        log.error(`Error in ${options.providerName} stream processing: ${error instanceof Error ? error.message : String(error)}`);
+        // Improved error handling to preserve original error even if logging fails
-        log.error(`Error details: ${error instanceof Error ? error.stack : 'No stack trace available'}`);
+        let logError = null;
+        try {
+            log.error(`Error in ${options.providerName} stream processing: ${error instanceof Error ? error.message : String(error)}`);
+            log.error(`Error details: ${error instanceof Error ? error.stack : 'No stack trace available'}`);
+        } catch (loggingError) {
+            // Store logging error but don't let it override the original error
+            logError = loggingError;
+        }
+        
+        // Always throw the original error, not the logging error
         throw error;
     }
 }
 
-/**
- * Helper function to extract content from a chunk based on provider's response format
- * Different providers may have different chunk structures
- */
-function getChunkContentProperty(chunk: any): string | null {
-    // Check common content locations in different provider responses
-    if (chunk.message?.content) {
-        return chunk.message.content;
-    }
-    if (chunk.content) {
-        return chunk.content;
-    }
-    if (chunk.choices?.[0]?.delta?.content) {
-        return chunk.choices[0].delta.content;
-    }
-    return null;
-}
-
 /**
  * Extract usage statistics from the final chunk based on provider format
  */