jan/web-app/src/lib/__tests__/messages.test.ts
2025-08-06 17:13:22 +07:00

523 lines
16 KiB
TypeScript

import { describe, it, expect } from 'vitest'
import { CompletionMessagesBuilder } from '../messages'
import { ThreadMessage } from '@janhq/core'
import { ChatCompletionMessageToolCall } from 'openai/resources'
// Mock thread messages for testing
const createMockThreadMessage = (
role: 'user' | 'assistant' | 'system',
content: string,
hasError = false
): ThreadMessage => ({
id: 'msg-123',
object: 'thread.message',
thread_id: 'thread-123',
role,
content: [
{
type: 'text' as any,
text: {
value: content,
annotations: [],
},
},
],
status: 'completed' as any,
created_at: Date.now(),
completed_at: Date.now(),
metadata: hasError ? { error: true } : {},
})
describe('CompletionMessagesBuilder', () => {
describe('constructor', () => {
it('should initialize with empty messages array when no system instruction', () => {
const messages: ThreadMessage[] = []
const builder = new CompletionMessagesBuilder(messages)
expect(builder.getMessages()).toEqual([])
})
it('should add system message when system instruction provided', () => {
const messages: ThreadMessage[] = []
const systemInstruction = 'You are a helpful assistant.'
const builder = new CompletionMessagesBuilder(messages, systemInstruction)
const result = builder.getMessages()
expect(result).toHaveLength(1)
expect(result[0]).toEqual({
role: 'system',
content: systemInstruction,
})
})
it('should filter out messages with errors', () => {
const messages: ThreadMessage[] = [
createMockThreadMessage('user', 'Hello', false),
createMockThreadMessage('assistant', 'Hi there', true), // has error
createMockThreadMessage('user', 'How are you?', false),
]
const builder = new CompletionMessagesBuilder(messages)
const result = builder.getMessages()
expect(result).toHaveLength(2)
expect(result[0].content).toBe('Hello')
expect(result[1].content).toBe('How are you?')
})
it('should normalize assistant message content', () => {
const messages: ThreadMessage[] = [
createMockThreadMessage(
'assistant',
'<think>Let me think...</think>Hello there!'
),
]
const builder = new CompletionMessagesBuilder(messages)
const result = builder.getMessages()
expect(result).toHaveLength(1)
expect(result[0].content).toBe('Hello there!')
})
it('should preserve user message content without normalization', () => {
const messages: ThreadMessage[] = [
createMockThreadMessage(
'user',
'<think>This should not be normalized</think>Hello'
),
]
const builder = new CompletionMessagesBuilder(messages)
const result = builder.getMessages()
expect(result).toHaveLength(1)
expect(result[0].content).toBe(
'<think>This should not be normalized</think>Hello'
)
})
it('should handle messages with empty content', () => {
const message: ThreadMessage = {
...createMockThreadMessage('user', ''),
content: [{ type: 'text' as any, text: undefined }],
}
const builder = new CompletionMessagesBuilder([message])
const result = builder.getMessages()
expect(result).toHaveLength(1)
expect(result[0].content).toBe('.')
})
it('should handle messages with missing text value', () => {
const message: ThreadMessage = {
...createMockThreadMessage('user', ''),
content: [
{ type: 'text' as any, text: { value: '', annotations: [] } },
],
}
const builder = new CompletionMessagesBuilder([message])
const result = builder.getMessages()
expect(result).toHaveLength(1)
expect(result[0].content).toBe('.')
})
})
describe('addUserMessage', () => {
it('should add user message to messages array', () => {
const builder = new CompletionMessagesBuilder([])
builder.addUserMessage('Hello, how are you?')
const result = builder.getMessages()
expect(result).toHaveLength(1)
expect(result[0]).toEqual({
role: 'user',
content: 'Hello, how are you?',
})
})
it('should not add consecutive user messages', () => {
const builder = new CompletionMessagesBuilder([])
builder.addUserMessage('First message')
builder.addUserMessage('Second message')
const result = builder.getMessages()
expect(result).toHaveLength(1)
expect(result[0].content).toBe('Second message')
})
it('should handle empty user message', () => {
const builder = new CompletionMessagesBuilder([])
builder.addUserMessage('')
const result = builder.getMessages()
expect(result).toHaveLength(1)
expect(result[0].content).toBe('')
})
})
describe('addAssistantMessage', () => {
it('should add assistant message with normalized content', () => {
const builder = new CompletionMessagesBuilder([])
builder.addAssistantMessage('<think>Processing...</think>Hello!')
const result = builder.getMessages()
expect(result).toHaveLength(1)
expect(result[0]).toEqual({
role: 'assistant',
content: 'Hello!',
refusal: undefined,
tool_calls: undefined,
})
})
it('should add assistant message with refusal', () => {
const builder = new CompletionMessagesBuilder([])
builder.addAssistantMessage(
'I cannot help with that',
'Content policy violation'
)
const result = builder.getMessages()
expect(result).toHaveLength(1)
expect(result[0]).toEqual({
role: 'assistant',
content: 'I cannot help with that',
refusal: 'Content policy violation',
tool_calls: undefined,
})
})
it('should add assistant message with tool calls', () => {
const builder = new CompletionMessagesBuilder([])
const toolCalls: ChatCompletionMessageToolCall[] = [
{
id: 'call_123',
type: 'function',
function: {
name: 'get_weather',
arguments: '{"location": "New York"}',
},
},
]
builder.addAssistantMessage(
'Let me check the weather',
undefined,
toolCalls
)
const result = builder.getMessages()
expect(result).toHaveLength(1)
expect(result[0]).toEqual({
role: 'assistant',
content: 'Let me check the weather',
refusal: undefined,
tool_calls: toolCalls,
})
})
it('should handle assistant message with all parameters', () => {
const builder = new CompletionMessagesBuilder([])
const toolCalls: ChatCompletionMessageToolCall[] = [
{
id: 'call_456',
type: 'function',
function: {
name: 'search',
arguments: '{"query": "test"}',
},
},
]
builder.addAssistantMessage(
'<think>Searching...</think>Here are the results',
'Cannot search sensitive content',
toolCalls
)
const result = builder.getMessages()
expect(result).toHaveLength(1)
expect(result[0]).toEqual({
role: 'assistant',
content: 'Here are the results',
refusal: 'Cannot search sensitive content',
tool_calls: toolCalls,
})
})
})
describe('addToolMessage', () => {
it('should add tool message with correct format', () => {
const builder = new CompletionMessagesBuilder([])
builder.addToolMessage('Weather data: 72°F', 'call_123')
const result = builder.getMessages()
expect(result).toHaveLength(1)
expect(result[0]).toEqual({
role: 'tool',
content: 'Weather data: 72°F',
tool_call_id: 'call_123',
})
})
it('should add multiple tool messages', () => {
const builder = new CompletionMessagesBuilder([])
builder.addToolMessage('First tool result', 'call_1')
builder.addToolMessage('Second tool result', 'call_2')
const result = builder.getMessages()
expect(result).toHaveLength(2)
expect(result[0].tool_call_id).toBe('call_1')
expect(result[1].tool_call_id).toBe('call_2')
})
it('should handle empty tool content', () => {
const builder = new CompletionMessagesBuilder([])
builder.addToolMessage('', 'call_123')
const result = builder.getMessages()
expect(result).toHaveLength(1)
expect(result[0].content).toBe('')
expect(result[0].tool_call_id).toBe('call_123')
})
})
describe('getMessages', () => {
it('should return messages in correct order', () => {
const threadMessages: ThreadMessage[] = [
createMockThreadMessage('user', 'Hello'),
]
const builder = new CompletionMessagesBuilder(
threadMessages,
'You are helpful'
)
builder.addUserMessage('How are you?')
builder.addAssistantMessage('I am well, thank you!')
builder.addToolMessage('Tool response', 'call_123')
const result = builder.getMessages()
expect(result).toHaveLength(4)
expect(result[0].role).toBe('system')
expect(result[1].role).toBe('user')
expect(result[2].role).toBe('assistant')
expect(result[3].role).toBe('tool')
})
it('should return the same array reference (not immutable)', () => {
const builder = new CompletionMessagesBuilder([])
builder.addUserMessage('Test message')
const result1 = builder.getMessages()
builder.addAssistantMessage('Response')
const result2 = builder.getMessages()
// Both should reference the same array and have 2 messages now
expect(result1).toBe(result2) // Same reference
expect(result1).toHaveLength(2)
expect(result2).toHaveLength(2)
})
})
describe('content normalization', () => {
it('should remove thinking content from the beginning', () => {
const builder = new CompletionMessagesBuilder([])
builder.addAssistantMessage(
'<think>Let me analyze this...</think>The answer is 42.'
)
const result = builder.getMessages()
expect(result[0].content).toBe('The answer is 42.')
})
it('should handle nested thinking tags', () => {
const builder = new CompletionMessagesBuilder([])
builder.addAssistantMessage(
'<think>First thought<think>Nested</think>More thinking</think>Final answer'
)
const result = builder.getMessages()
expect(result[0].content).toBe('More thinking</think>Final answer')
})
it('should handle multiple thinking blocks', () => {
const builder = new CompletionMessagesBuilder([])
builder.addAssistantMessage(
'<think>First</think>Answer<think>Second</think>More content'
)
const result = builder.getMessages()
expect(result[0].content).toBe('Answer<think>Second</think>More content')
})
it('should handle content without thinking tags', () => {
const builder = new CompletionMessagesBuilder([])
builder.addAssistantMessage('Just a normal response')
const result = builder.getMessages()
expect(result[0].content).toBe('Just a normal response')
})
it('should handle empty content after removing thinking', () => {
const builder = new CompletionMessagesBuilder([])
builder.addAssistantMessage('<think>Only thinking content</think>')
const result = builder.getMessages()
expect(result[0].content).toBe('')
})
it('should handle unclosed thinking tags', () => {
const builder = new CompletionMessagesBuilder([])
builder.addAssistantMessage(
'<think>Unclosed thinking tag... Regular content'
)
const result = builder.getMessages()
expect(result[0].content).toBe(
'<think>Unclosed thinking tag... Regular content'
)
})
it('should handle thinking tags with whitespace', () => {
const builder = new CompletionMessagesBuilder([])
builder.addAssistantMessage(
'<think> \n Some thinking \n </think> \n Clean answer'
)
const result = builder.getMessages()
expect(result[0].content).toBe('Clean answer')
})
it('should remove analysis channel reasoning content', () => {
const builder = new CompletionMessagesBuilder([])
builder.addAssistantMessage(
'<|channel|>analysis<|message|>Let me analyze this step by step...<|start|>assistant<|channel|>final<|message|>The final answer is 42.'
)
const result = builder.getMessages()
expect(result[0].content).toBe('The final answer is 42.')
})
it('should handle analysis channel without final message', () => {
const builder = new CompletionMessagesBuilder([])
builder.addAssistantMessage(
'<|channel|>analysis<|message|>Only analysis content here...'
)
const result = builder.getMessages()
expect(result[0].content).toBe('<|channel|>analysis<|message|>Only analysis content here...')
})
it('should handle analysis channel with multiline content', () => {
const builder = new CompletionMessagesBuilder([])
builder.addAssistantMessage(
'<|channel|>analysis<|message|>Step 1: First analysis\nStep 2: Second analysis\nStep 3: Final analysis<|start|>assistant<|channel|>final<|message|>Based on my analysis, here is the result.'
)
const result = builder.getMessages()
expect(result[0].content).toBe('Based on my analysis, here is the result.')
})
it('should handle both think and analysis channel tags', () => {
const builder = new CompletionMessagesBuilder([])
builder.addAssistantMessage(
'<think>Initial thought</think><|channel|>analysis<|message|>Detailed analysis<|start|>assistant<|channel|>final<|message|>Final response'
)
const result = builder.getMessages()
expect(result[0].content).toBe('Final response')
})
})
describe('integration tests', () => {
it('should handle complex conversation flow', () => {
const threadMessages: ThreadMessage[] = [
createMockThreadMessage('user', 'What is the weather like?'),
createMockThreadMessage(
'assistant',
'<think>I need to call weather API</think>Let me check the weather for you.'
),
]
const builder = new CompletionMessagesBuilder(
threadMessages,
'You are a weather assistant'
)
// Add tool call and response
const toolCalls: ChatCompletionMessageToolCall[] = [
{
id: 'call_weather',
type: 'function',
function: {
name: 'get_weather',
arguments: '{"location": "user_location"}',
},
},
]
builder.addAssistantMessage(
'Calling weather service...',
undefined,
toolCalls
)
builder.addToolMessage(
'{"temperature": 72, "condition": "sunny"}',
'call_weather'
)
builder.addAssistantMessage(
'<think>The weather is nice</think>The weather is 72°F and sunny!'
)
const result = builder.getMessages()
expect(result).toHaveLength(6)
expect(result[0].role).toBe('system')
expect(result[1].role).toBe('user')
expect(result[2].role).toBe('assistant')
expect(result[2].content).toBe('Let me check the weather for you.')
expect(result[3].role).toBe('assistant')
expect(result[3].tool_calls).toEqual(toolCalls)
expect(result[4].role).toBe('tool')
expect(result[5].role).toBe('assistant')
expect(result[5].content).toBe('The weather is 72°F and sunny!')
})
it('should handle empty thread messages with system instruction', () => {
const builder = new CompletionMessagesBuilder([], 'System instruction')
const result = builder.getMessages()
expect(result).toHaveLength(1)
expect(result[0]).toEqual({
role: 'system',
content: 'System instruction',
})
})
})
})