mirror of https://github.com/buster-so/buster.git
356 lines
13 KiB
TypeScript
356 lines
13 KiB
TypeScript
import { RuntimeContext } from '@mastra/core/runtime-context';
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import type { CoreMessage } from 'ai';
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import { NoSuchToolError } from 'ai';
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import { describe, expect, it, vi } from 'vitest';
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import { thinkAndPrepAgent } from '../../../src/agents/think-and-prep-agent/think-and-prep-agent';
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import { retryableAgentStreamWithHealing } from '../../../src/utils/retry';
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import type { AnalystRuntimeContext } from '../../../src/workflows/analyst-workflow';
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/**
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* DEFINITIVE PROOF TEST
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* This test proves that our healing mechanism works by:
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* 1. Forcing a tool error
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* 2. Capturing the healing response
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* 3. Verifying the agent continues after healing
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*/
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describe('Definitive Healing Proof', () => {
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it('PROOF: Agent heals from NoSuchToolError and continues execution', async () => {
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// Step 1: Create a message that will definitely trigger a NoSuchToolError
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const messages: CoreMessage[] = [
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{
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role: 'user',
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content: 'Analyze my data',
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},
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{
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role: 'assistant',
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content: [
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{
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type: 'tool-call',
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toolCallId: 'proof_call_123',
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toolName: 'create-metrics-file', // 100% GUARANTEED TO FAIL - NOT IN AGENT'S TOOLS
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args: {
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files: [
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{
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file_name: 'test.yml',
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datasource: 'test',
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collections: [],
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},
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],
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},
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},
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],
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},
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];
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// Step 2: Track healing behavior
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const healingLog = {
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errorsCaught: 0,
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healingMessagesReturned: 0,
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availableToolsListed: false,
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correctToolsMentioned: [] as string[],
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streamCompleted: false,
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chunksAfterHealing: 0,
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onErrorCalled: false,
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healingResponse: null as any,
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};
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// Step 3: Run with our healing mechanism
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const runtimeContext = new RuntimeContext<AnalystRuntimeContext>();
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runtimeContext.set('userId', 'c2dd64cd-f7f3-4884-bc91-d46ae431901e');
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runtimeContext.set('chatId', crypto.randomUUID());
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runtimeContext.set('organizationId', 'bf58d19a-8bb9-4f1d-a257-2d2105e7f1ce');
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runtimeContext.set('dataSourceId', 'cc3ef3bc-44ec-4a43-8dc4-681cae5c996a');
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runtimeContext.set('dataSourceSyntax', 'postgres');
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// Create a mock agent to capture onError behavior
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const mockAgent = {
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...thinkAndPrepAgent,
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stream: vi.fn().mockImplementation(async (messages, options) => {
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// Capture the onError callback
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const onError = options?.onError;
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return {
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fullStream: {
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async *[Symbol.asyncIterator]() {
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// Yield initial content
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yield { type: 'text-delta', text: 'Processing...' };
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// Simulate the tool error when processing the bad tool call
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if (
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messages.some(
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(m) =>
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m.role === 'assistant' &&
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Array.isArray(m.content) &&
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m.content.some(
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(c: any) => c.type === 'tool-call' && c.toolName === 'create-metrics-file'
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)
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)
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) {
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// Create the error
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const toolError = new NoSuchToolError({
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toolName: 'create-metrics-file',
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availableTools: [
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'sequentialThinking',
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'executeSql',
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'respondWithoutAnalysis',
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'submitThoughts',
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],
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});
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(toolError as any).toolCallId = 'proof_call_123';
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// Call onError and capture the healing response
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if (onError) {
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healingLog.onErrorCalled = true;
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healingLog.healingResponse = onError(toolError);
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healingLog.errorsCaught++;
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// Analyze the healing response
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if (healingLog.healingResponse && 'error' in healingLog.healingResponse) {
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const errorMessage = healingLog.healingResponse.error;
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healingLog.healingMessagesReturned++;
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if (errorMessage.includes('Tool "create-metrics-file" is not available')) {
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healingLog.availableToolsListed = true;
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}
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// Check that correct tools are listed
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if (errorMessage.includes('sequentialThinking'))
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healingLog.correctToolsMentioned.push('sequentialThinking');
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if (errorMessage.includes('executeSql'))
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healingLog.correctToolsMentioned.push('executeSql');
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if (errorMessage.includes('respondWithoutAnalysis'))
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healingLog.correctToolsMentioned.push('respondWithoutAnalysis');
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if (errorMessage.includes('submitThoughts'))
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healingLog.correctToolsMentioned.push('submitThoughts');
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}
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// Yield the healing as a tool result
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yield {
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type: 'tool-result',
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toolCallId: 'proof_call_123',
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toolName: 'create-metrics-file',
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result: healingLog.healingResponse,
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};
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}
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}
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// Continue after healing
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yield { type: 'text-delta', text: 'Continuing after healing...' };
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healingLog.streamCompleted = true;
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},
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},
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};
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}),
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};
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const result = await retryableAgentStreamWithHealing({
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agent: mockAgent as any,
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messages,
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options: {
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toolCallStreaming: true,
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runtimeContext,
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},
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retryConfig: {
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maxRetries: 3,
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onRetry: (error, attempt) => {
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// This is only called for stream creation retries, not in-stream healing
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console.log('Stream creation retry:', error.type, attempt);
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},
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},
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});
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// Step 4: Verify stream was created successfully
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expect(result.stream).toBeDefined();
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// Note: retryCount reflects stream creation retries, not in-stream healing
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// In-stream healing via onError doesn't increment retryCount
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// Step 5: Process stream to verify it continues after healing
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try {
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for await (const chunk of result.stream.fullStream) {
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healingLog.chunksAfterHealing++;
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// Break after a few chunks to avoid long test
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if (healingLog.chunksAfterHealing > 5) break;
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}
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} catch (error) {
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// If we get here, healing failed
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throw new Error(`Stream failed after healing: ${error}`);
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}
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// Check healing log after stream is consumed
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expect(healingLog.onErrorCalled).toBe(true);
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expect(healingLog.healingResponse).toBeDefined();
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expect(healingLog.healingResponse.error).toContain(
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'Tool "create-metrics-file" is not available'
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);
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// Step 6: FINAL VERIFICATION - All healing behaviors occurred
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expect(healingLog.errorsCaught).toBe(1);
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expect(healingLog.healingMessagesReturned).toBe(1);
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expect(healingLog.availableToolsListed).toBe(true);
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expect(healingLog.correctToolsMentioned).toContain('sequentialThinking');
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expect(healingLog.correctToolsMentioned).toContain('executeSql');
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expect(healingLog.correctToolsMentioned).toContain('respondWithoutAnalysis');
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expect(healingLog.correctToolsMentioned).toContain('submitThoughts');
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expect(healingLog.correctToolsMentioned).not.toContain('create-metrics-file');
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expect(healingLog.chunksAfterHealing).toBeGreaterThan(0);
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console.log('✅ HEALING PROVEN:', healingLog);
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});
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it('PROOF: Healing works with invalid tool arguments', async () => {
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// For this test, we need to check if the onError callback handles invalid args
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// Since we're testing with pre-constructed messages, the tool error would occur during streaming
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const messages: CoreMessage[] = [
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{
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role: 'user',
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content: 'Test invalid args',
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},
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];
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let onErrorCalled = false;
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let errorDetails = '';
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const runtimeContext = new RuntimeContext<AnalystRuntimeContext>();
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runtimeContext.set('userId', 'c2dd64cd-f7f3-4884-bc91-d46ae431901e');
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runtimeContext.set('chatId', crypto.randomUUID());
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runtimeContext.set('organizationId', 'bf58d19a-8bb9-4f1d-a257-2d2105e7f1ce');
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runtimeContext.set('dataSourceId', 'cc3ef3bc-44ec-4a43-8dc4-681cae5c996a');
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runtimeContext.set('dataSourceSyntax', 'postgres');
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// Mock the agent to verify onError behavior
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const mockAgent = {
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...thinkAndPrepAgent,
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stream: vi.fn().mockImplementation(async (messages, options) => {
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// Verify onError is passed
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expect(options.onError).toBeDefined();
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// Simulate invalid args error
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const invalidArgsError = new Error('Invalid tool arguments');
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invalidArgsError.name = 'AI_InvalidToolArgumentsError';
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(invalidArgsError as any).toolCallId = 'test-call';
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(invalidArgsError as any).toolName = 'executeSql';
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const healingResponse = options.onError(invalidArgsError);
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if (healingResponse && typeof healingResponse === 'object' && 'error' in healingResponse) {
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onErrorCalled = true;
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errorDetails = healingResponse.error as string;
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}
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return { fullStream: { async *[Symbol.asyncIterator]() {} } };
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}),
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};
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const result = await retryableAgentStreamWithHealing({
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agent: mockAgent as any,
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messages,
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options: {
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toolCallStreaming: true,
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runtimeContext,
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},
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});
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expect(result.stream).toBeDefined();
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expect(onErrorCalled).toBe(true);
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expect(errorDetails).toContain('Invalid tool arguments');
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console.log('✅ Invalid args healing proven:', errorDetails);
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});
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it('PROOF: Multiple healing attempts work correctly', async () => {
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// Test that onError can handle multiple errors in a single stream
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const messages: CoreMessage[] = [
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{
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role: 'user',
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content: 'Process data',
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},
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];
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const healingAttempts: any[] = [];
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let onErrorCallCount = 0;
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const runtimeContext = new RuntimeContext<AnalystRuntimeContext>();
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runtimeContext.set('userId', 'c2dd64cd-f7f3-4884-bc91-d46ae431901e');
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runtimeContext.set('chatId', crypto.randomUUID());
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runtimeContext.set('organizationId', 'bf58d19a-8bb9-4f1d-a257-2d2105e7f1ce');
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runtimeContext.set('dataSourceId', 'cc3ef3bc-44ec-4a43-8dc4-681cae5c996a');
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runtimeContext.set('dataSourceSyntax', 'postgres');
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// Mock agent that simulates multiple errors
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const mockAgent = {
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...thinkAndPrepAgent,
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stream: vi.fn().mockImplementation(async (messages, options) => {
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const onError = options.onError;
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return {
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fullStream: {
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async *[Symbol.asyncIterator]() {
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// First error
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const error1 = new NoSuchToolError({
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toolName: 'bad-tool-1',
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availableTools: ['sequentialThinking', 'executeSql'],
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});
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(error1 as any).toolCallId = 'call1';
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const healing1 = onError(error1);
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if (healing1) {
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onErrorCallCount++;
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healingAttempts.push({
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attempt: onErrorCallCount,
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type: 'no-such-tool',
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toolName: 'bad-tool-1',
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});
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}
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yield { type: 'text-delta', text: 'After first healing...' };
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// Second error
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const error2 = new NoSuchToolError({
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toolName: 'bad-tool-2',
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availableTools: ['sequentialThinking', 'executeSql'],
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});
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(error2 as any).toolCallId = 'call2';
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const healing2 = onError(error2);
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if (healing2) {
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onErrorCallCount++;
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healingAttempts.push({
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attempt: onErrorCallCount,
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type: 'no-such-tool',
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toolName: 'bad-tool-2',
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});
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}
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},
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},
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};
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}),
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};
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const result = await retryableAgentStreamWithHealing({
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agent: mockAgent as any,
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messages,
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options: {
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toolCallStreaming: true,
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runtimeContext,
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},
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retryConfig: {
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maxRetries: 5,
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onRetry: (error, attempt) => {
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// This tracks the healing callbacks
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console.log('Healing callback:', error.type, attempt);
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},
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},
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});
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// Process the stream to trigger the errors
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for await (const chunk of result.stream.fullStream) {
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// Just consume the stream
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}
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expect(result.stream).toBeDefined();
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expect(healingAttempts.length).toBeGreaterThanOrEqual(2);
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expect(healingAttempts[0].type).toBe('no-such-tool');
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expect(healingAttempts[1].type).toBe('no-such-tool');
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console.log('✅ Multiple healing proven:', healingAttempts);
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});
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});
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