Renderer for Cogito v2 (#13139)

This commit is contained in:
Grace
2025-11-18 19:06:34 -08:00
committed by GitHub
parent 8de30b568a
commit 91935631ac
3 changed files with 623 additions and 0 deletions

129
model/renderers/cogito.go Normal file
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package renderers
import (
"encoding/json"
"strings"
"github.com/ollama/ollama/api"
)
type CogitoRenderer struct {
isThinking bool
}
func (r *CogitoRenderer) Render(messages []api.Message, tools []api.Tool, thinkValue *api.ThinkValue) (string, error) {
var sb strings.Builder
defaultPrompt := "You are Cogito, an AI assistant created by Deep Cogito, which is an AI research lab based in San Francisco."
// thinking is enabled: model must support it AND user must request it (true)
enableThinking := r.isThinking && (thinkValue != nil && thinkValue.Bool())
var systemPrompt string
var conversationMessages []api.Message
if len(messages) > 0 && messages[0].Role == "system" {
systemPrompt = messages[0].Content
conversationMessages = messages[1:]
} else {
conversationMessages = messages
}
var finalSystemPrompt string
if enableThinking {
finalSystemPrompt = "Enable deep thinking subroutine.\n\n" + defaultPrompt
if systemPrompt != "" {
finalSystemPrompt += "\n\n" + systemPrompt + "\n\n"
}
} else {
finalSystemPrompt = defaultPrompt
if systemPrompt != "" {
finalSystemPrompt += "\n\n" + systemPrompt
}
}
if len(tools) > 0 {
if finalSystemPrompt != "" {
finalSystemPrompt += "\nYou have the following functions available:\n"
} else {
finalSystemPrompt = "You have the following functions available:\n"
}
for _, tool := range tools {
toolJSON, _ := json.MarshalIndent(tool, "", " ") // TODO(gguo): double check json format
finalSystemPrompt += "```json\n" + string(toolJSON) + "\n```\n"
}
}
sb.WriteString("<begin▁of▁sentence>" + finalSystemPrompt)
outputsOpen := false
isLastUser := false
for i, message := range conversationMessages {
switch message.Role {
case "user":
isLastUser = true
sb.WriteString("<User>" + message.Content + "<Assistant>")
case "assistant":
isLastUser = false
if len(message.ToolCalls) > 0 {
if message.Content != "" {
sb.WriteString(message.Content)
}
sb.WriteString("<tool▁calls▁begin>")
for j, toolCall := range message.ToolCalls {
sb.WriteString("<tool▁call▁begin>function<tool▁sep>" + toolCall.Function.Name)
argsJSON, _ := json.Marshal(toolCall.Function.Arguments)
sb.WriteString("\n```json\n" + string(argsJSON) + "\n```")
sb.WriteString("<tool▁call▁end>")
if j < len(message.ToolCalls)-1 {
sb.WriteString("\n")
}
}
sb.WriteString("<tool▁calls▁end><end▁of▁sentence>")
} else {
sb.WriteString(message.Content + "<end▁of▁sentence>")
}
case "tool":
isLastUser = false
if !outputsOpen {
sb.WriteString("<tool▁outputs▁begin>")
outputsOpen = true
}
sb.WriteString("<tool▁output▁begin>" + message.Content + "<tool▁output▁end>")
hasNextTool := i+1 < len(conversationMessages) && conversationMessages[i+1].Role == "tool"
if hasNextTool {
sb.WriteString("\n")
} else {
sb.WriteString("<tool▁outputs▁end>")
outputsOpen = false
}
}
}
if outputsOpen {
sb.WriteString("<tool▁outputs▁end>")
}
if !isLastUser {
sb.WriteString("<Assistant>")
}
if enableThinking {
sb.WriteString("<think>\n")
}
return sb.String(), nil
}

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@@ -0,0 +1,491 @@
package renderers
import (
"testing"
"github.com/google/go-cmp/cmp"
"github.com/ollama/ollama/api"
)
func TestCogitoRenderer(t *testing.T) {
tests := []struct {
name string
messages []api.Message
tools []api.Tool
thinkValue *api.ThinkValue
expected string
}{
{
name: "basic user message",
messages: []api.Message{
{Role: "user", Content: "Hello, how are you?"},
},
thinkValue: &api.ThinkValue{Value: false},
expected: `<begin▁of▁sentence>You are Cogito, an AI assistant created by Deep Cogito, which is an AI research lab based in San Francisco.<User>Hello, how are you?<Assistant>`,
},
{
name: "basic with system message",
messages: []api.Message{
{Role: "system", Content: "You are a helpful assistant."},
{Role: "user", Content: "Hello, how are you?"},
},
thinkValue: &api.ThinkValue{Value: false},
expected: `<begin▁of▁sentence>You are Cogito, an AI assistant created by Deep Cogito, which is an AI research lab based in San Francisco.
You are a helpful assistant.<User>Hello, how are you?<Assistant>`,
},
{
name: "conversation with assistant response",
messages: []api.Message{
{Role: "user", Content: "What is the capital of France?"},
{Role: "assistant", Content: "The capital of France is Paris."},
{Role: "user", Content: "Fantastic!"},
},
thinkValue: &api.ThinkValue{Value: false},
expected: `<begin▁of▁sentence>You are Cogito, an AI assistant created by Deep Cogito, which is an AI research lab based in San Francisco.<User>What is the capital of France?<Assistant>The capital of France is Paris.<end▁of▁sentence><User>Fantastic!<Assistant>`,
},
{
name: "thinking enabled without system",
messages: []api.Message{
{Role: "user", Content: "Hello, how are you?"},
},
thinkValue: &api.ThinkValue{Value: true},
expected: `<begin▁of▁sentence>Enable deep thinking subroutine.
You are Cogito, an AI assistant created by Deep Cogito, which is an AI research lab based in San Francisco.<User>Hello, how are you?<Assistant><think>
`,
},
{
name: "thinking enabled with system",
messages: []api.Message{
{Role: "system", Content: "You are a helpful assistant."},
{Role: "user", Content: "Hello, how are you?"},
},
thinkValue: &api.ThinkValue{Value: true},
expected: `<begin▁of▁sentence>Enable deep thinking subroutine.
You are Cogito, an AI assistant created by Deep Cogito, which is an AI research lab based in San Francisco.
You are a helpful assistant.
<User>Hello, how are you?<Assistant><think>
`,
},
{
name: "thinking disabled",
messages: []api.Message{
{Role: "user", Content: "Hello, how are you?"},
},
thinkValue: &api.ThinkValue{Value: false},
expected: `<begin▁of▁sentence>You are Cogito, an AI assistant created by Deep Cogito, which is an AI research lab based in San Francisco.<User>Hello, how are you?<Assistant>`,
},
{
name: "with tools",
messages: []api.Message{
{Role: "user", Content: "What's the weather like?"},
},
thinkValue: &api.ThinkValue{Value: false},
tools: []api.Tool{
{
Type: "function",
Function: api.ToolFunction{
Name: "get_weather",
Description: "Get current weather",
Parameters: api.ToolFunctionParameters{
Type: "object",
Properties: map[string]api.ToolProperty{
"location": {
Type: api.PropertyType{"string"},
Description: "City name",
},
},
Required: []string{"location"},
},
},
},
},
expected: `<begin▁of▁sentence>You are Cogito, an AI assistant created by Deep Cogito, which is an AI research lab based in San Francisco.
You have the following functions available:
` + "```json\n" + `{
"type": "function",
"function": {
"name": "get_weather",
"description": "Get current weather",
"parameters": {
"type": "object",
"required": [
"location"
],
"properties": {
"location": {
"type": "string",
"description": "City name"
}
}
}
}
}
` + "```\n" + `<User>What's the weather like?<Assistant>`,
},
{
name: "assistant with tool calls",
messages: []api.Message{
{Role: "user", Content: "What's the weather in Paris?"},
{
Role: "assistant",
Content: "I'll check the weather in Paris for you.",
ToolCalls: []api.ToolCall{
{
Function: api.ToolCallFunction{
Name: "get_weather",
Arguments: api.ToolCallFunctionArguments{
"location": "Paris",
},
},
},
},
},
},
thinkValue: &api.ThinkValue{Value: false},
expected: `<begin▁of▁sentence>You are Cogito, an AI assistant created by Deep Cogito, which is an AI research lab based in San Francisco.<User>What's the weather in Paris?<Assistant>I'll check the weather in Paris for you.<tool▁calls▁begin><tool▁call▁begin>function<tool▁sep>get_weather
` + "```json\n" + `{"location":"Paris"}
` + "```" + `<tool▁call▁end><tool▁calls▁end><end▁of▁sentence><Assistant>`,
},
{
name: "tool response",
messages: []api.Message{
{Role: "user", Content: "What's the weather in Paris?"},
{
Role: "assistant",
ToolCalls: []api.ToolCall{
{
Function: api.ToolCallFunction{
Name: "get_weather",
Arguments: api.ToolCallFunctionArguments{
"location": "Paris",
},
},
},
},
},
{Role: "tool", Content: "Temperature: 22°C, Sunny"},
},
thinkValue: &api.ThinkValue{Value: false},
expected: `<begin▁of▁sentence>You are Cogito, an AI assistant created by Deep Cogito, which is an AI research lab based in San Francisco.<User>What's the weather in Paris?<Assistant><tool▁calls▁begin><tool▁call▁begin>function<tool▁sep>get_weather
` + "```json\n" + `{"location":"Paris"}
` + "```" + `<tool▁call▁end><tool▁calls▁end><end▁of▁sentence><tool▁outputs▁begin><tool▁output▁begin>Temperature: 22°C, Sunny<tool▁output▁end><tool▁outputs▁end><Assistant>`,
},
{
name: "multiple tool responses",
messages: []api.Message{
{Role: "user", Content: "Get weather for Paris and London"},
{
Role: "assistant",
ToolCalls: []api.ToolCall{
{
Function: api.ToolCallFunction{
Name: "get_weather",
Arguments: api.ToolCallFunctionArguments{
"location": "Paris",
},
},
},
{
Function: api.ToolCallFunction{
Name: "get_weather",
Arguments: api.ToolCallFunctionArguments{
"location": "London",
},
},
},
},
},
{Role: "tool", Content: "Paris: 22°C, Sunny"},
{Role: "tool", Content: "London: 18°C, Cloudy"},
},
thinkValue: &api.ThinkValue{Value: false},
expected: `<begin▁of▁sentence>You are Cogito, an AI assistant created by Deep Cogito, which is an AI research lab based in San Francisco.<User>Get weather for Paris and London<Assistant><tool▁calls▁begin><tool▁call▁begin>function<tool▁sep>get_weather
` + "```json\n" + `{"location":"Paris"}
` + "```" + `<tool▁call▁end>
<tool▁call▁begin>function<tool▁sep>get_weather
` + "```json\n" + `{"location":"London"}
` + "```" + `<tool▁call▁end><tool▁calls▁end><end▁of▁sentence><tool▁outputs▁begin><tool▁output▁begin>Paris: 22°C, Sunny<tool▁output▁end>
<tool▁output▁begin>London: 18°C, Cloudy<tool▁output▁end><tool▁outputs▁end><Assistant>`,
},
{
name: "thinking with tools",
messages: []api.Message{
{Role: "user", Content: "What's the weather like?"},
},
tools: []api.Tool{
{
Type: "function",
Function: api.ToolFunction{
Name: "get_weather",
Description: "Get current weather",
Parameters: api.ToolFunctionParameters{
Type: "object",
Properties: map[string]api.ToolProperty{
"location": {
Type: api.PropertyType{"string"},
Description: "City name",
},
},
Required: []string{"location"},
},
},
},
},
thinkValue: &api.ThinkValue{Value: true},
expected: `<begin▁of▁sentence>Enable deep thinking subroutine.
You are Cogito, an AI assistant created by Deep Cogito, which is an AI research lab based in San Francisco.
You have the following functions available:
` + "```json\n" + `{
"type": "function",
"function": {
"name": "get_weather",
"description": "Get current weather",
"parameters": {
"type": "object",
"required": [
"location"
],
"properties": {
"location": {
"type": "string",
"description": "City name"
}
}
}
}
}
` + "```\n" + `<User>What's the weather like?<Assistant><think>
`,
},
// test cases based on cogito
{
name: "single_turn_thinking_false",
messages: []api.Message{
{Role: "user", Content: "Hello"},
},
thinkValue: &api.ThinkValue{Value: false},
expected: `<begin▁of▁sentence>You are Cogito, an AI assistant created by Deep Cogito, which is an AI research lab based in San Francisco.<User>Hello<Assistant>`,
},
{
name: "single_turn_thinking_true",
messages: []api.Message{
{Role: "user", Content: "Hello"},
},
thinkValue: &api.ThinkValue{Value: true},
expected: `<begin▁of▁sentence>Enable deep thinking subroutine.
You are Cogito, an AI assistant created by Deep Cogito, which is an AI research lab based in San Francisco.<User>Hello<Assistant><think>
`,
},
{
name: "multi_turn_thinking_false",
messages: []api.Message{
{Role: "user", Content: "Hello"},
{Role: "assistant", Content: "Hi there!"},
{Role: "user", Content: "How are you?"},
},
thinkValue: &api.ThinkValue{Value: false},
expected: `<begin▁of▁sentence>You are Cogito, an AI assistant created by Deep Cogito, which is an AI research lab based in San Francisco.<User>Hello<Assistant>Hi there!<end▁of▁sentence><User>How are you?<Assistant>`,
},
{
name: "multi_turn_thinking_true",
messages: []api.Message{
{Role: "user", Content: "Hello"},
{Role: "assistant", Content: "Hi there!"},
{Role: "user", Content: "How are you?"},
},
thinkValue: &api.ThinkValue{Value: true},
expected: `<begin▁of▁sentence>Enable deep thinking subroutine.
You are Cogito, an AI assistant created by Deep Cogito, which is an AI research lab based in San Francisco.<User>Hello<Assistant>Hi there!<end▁of▁sentence><User>How are you?<Assistant><think>
`,
},
{
name: "multi_with_system_thinking_false",
messages: []api.Message{
{Role: "system", Content: "You are a helpful assistant"},
{Role: "user", Content: "Start"},
{Role: "assistant", Content: "Okay"},
},
thinkValue: &api.ThinkValue{Value: false},
expected: `<begin▁of▁sentence>You are Cogito, an AI assistant created by Deep Cogito, which is an AI research lab based in San Francisco.
You are a helpful assistant<User>Start<Assistant>Okay<end▁of▁sentence><Assistant>`,
},
{
name: "multi_with_system_thinking_true",
messages: []api.Message{
{Role: "system", Content: "You are a helpful assistant"},
{Role: "user", Content: "Start"},
{Role: "assistant", Content: "Okay"},
},
thinkValue: &api.ThinkValue{Value: true},
expected: `<begin▁of▁sentence>Enable deep thinking subroutine.
You are Cogito, an AI assistant created by Deep Cogito, which is an AI research lab based in San Francisco.
You are a helpful assistant
<User>Start<Assistant>Okay<end▁of▁sentence><Assistant><think>
`,
},
{
name: "multi_with_system2_thinking_false",
messages: []api.Message{
{Role: "system", Content: "You are a pirate chatbot who always responds in pirate speak!"},
{Role: "user", Content: "Give me a short introduction to LLMs."},
{Role: "assistant", Content: "Arrr! I'm a pirate"},
{Role: "user", Content: "Tell me more about LLMs."},
},
thinkValue: &api.ThinkValue{Value: false},
expected: `<begin▁of▁sentence>You are Cogito, an AI assistant created by Deep Cogito, which is an AI research lab based in San Francisco.
You are a pirate chatbot who always responds in pirate speak!<User>Give me a short introduction to LLMs.<Assistant>Arrr! I'm a pirate<end▁of▁sentence><User>Tell me more about LLMs.<Assistant>`,
},
{
name: "multi_with_system2_thinking_true",
messages: []api.Message{
{Role: "system", Content: "You are a pirate chatbot who always responds in pirate speak!"},
{Role: "user", Content: "Give me a short introduction to LLMs."},
{Role: "assistant", Content: "Arrr! I'm a pirate"},
{Role: "user", Content: "Tell me more about LLMs."},
},
thinkValue: &api.ThinkValue{Value: true},
expected: `<begin▁of▁sentence>Enable deep thinking subroutine.
You are Cogito, an AI assistant created by Deep Cogito, which is an AI research lab based in San Francisco.
You are a pirate chatbot who always responds in pirate speak!
<User>Give me a short introduction to LLMs.<Assistant>Arrr! I'm a pirate<end▁of▁sentence><User>Tell me more about LLMs.<Assistant><think>
`,
},
// tools
{
name: "tool_calls_only_no_content",
messages: []api.Message{
{Role: "user", Content: "Get weather for Paris"},
{
Role: "assistant",
ToolCalls: []api.ToolCall{
{
Function: api.ToolCallFunction{
Name: "get_weather",
Arguments: api.ToolCallFunctionArguments{
"location": "Paris",
},
},
},
},
},
},
thinkValue: &api.ThinkValue{Value: false},
expected: `<begin▁of▁sentence>You are Cogito, an AI assistant created by Deep Cogito, which is an AI research lab based in San Francisco.<User>Get weather for Paris<Assistant><tool▁calls▁begin><tool▁call▁begin>function<tool▁sep>get_weather
` + "```json\n" + `{"location":"Paris"}
` + "```" + `<tool▁call▁end><tool▁calls▁end><end▁of▁sentence><Assistant>`,
},
{
name: "complex_tool_arguments",
messages: []api.Message{
{Role: "user", Content: "Process complex data"},
{
Role: "assistant",
ToolCalls: []api.ToolCall{
{
Function: api.ToolCallFunction{
Name: "process_data",
Arguments: api.ToolCallFunctionArguments{
"items": []any{"item1", "item2", "item3"},
"config": map[string]any{
"enabled": true,
"threshold": 0.95,
"tags": []string{"important", "urgent"},
},
},
},
},
},
},
},
thinkValue: &api.ThinkValue{Value: false},
expected: `<begin▁of▁sentence>You are Cogito, an AI assistant created by Deep Cogito, which is an AI research lab based in San Francisco.<User>Process complex data<Assistant><tool▁calls▁begin><tool▁call▁begin>function<tool▁sep>process_data
` + "```json\n" + `{"config":{"enabled":true,"tags":["important","urgent"],"threshold":0.95},"items":["item1","item2","item3"]}
` + "```" + `<tool▁call▁end><tool▁calls▁end><end▁of▁sentence><Assistant>`,
},
{
name: "empty_messages",
messages: []api.Message{
{Role: "system", Content: ""},
{Role: "user", Content: "Hello"},
{Role: "assistant", Content: ""},
},
thinkValue: &api.ThinkValue{Value: false},
expected: `<begin▁of▁sentence>You are Cogito, an AI assistant created by Deep Cogito, which is an AI research lab based in San Francisco.<User>Hello<Assistant><end▁of▁sentence><Assistant>`,
},
{
name: "thinking_with_empty_assistant_content",
messages: []api.Message{
{Role: "user", Content: "Think about this"},
{Role: "assistant", Content: ""},
},
thinkValue: &api.ThinkValue{Value: true},
expected: `<begin▁of▁sentence>Enable deep thinking subroutine.
You are Cogito, an AI assistant created by Deep Cogito, which is an AI research lab based in San Francisco.<User>Think about this<Assistant><end▁of▁sentence><Assistant><think>
`,
},
{
name: "multiple_system_messages",
messages: []api.Message{
{Role: "system", Content: "First instruction"},
{Role: "system", Content: "Second instruction"},
{Role: "user", Content: "Hello"},
},
thinkValue: &api.ThinkValue{Value: false},
expected: `<begin▁of▁sentence>You are Cogito, an AI assistant created by Deep Cogito, which is an AI research lab based in San Francisco.
First instruction<User>Hello<Assistant>`,
},
{
name: "special_characters_in_content",
messages: []api.Message{
{Role: "user", Content: "What about <|special|> tokens and \"quotes\"?"},
{Role: "assistant", Content: "They're handled normally in content."},
},
thinkValue: &api.ThinkValue{Value: false},
expected: `<begin▁of▁sentence>You are Cogito, an AI assistant created by Deep Cogito, which is an AI research lab based in San Francisco.<User>What about <|special|> tokens and "quotes"?<Assistant>They're handled normally in content.<end▁of▁sentence><Assistant>`,
},
{
name: "long_conversation_multiple_rounds",
messages: []api.Message{
{Role: "user", Content: "Hi"},
{Role: "assistant", Content: "Hello!"},
{Role: "user", Content: "How are you?"},
{Role: "assistant", Content: "Good, thanks!"},
{Role: "user", Content: "What's the weather?"},
},
thinkValue: &api.ThinkValue{Value: false},
expected: `<begin▁of▁sentence>You are Cogito, an AI assistant created by Deep Cogito, which is an AI research lab based in San Francisco.<User>Hi<Assistant>Hello!<end▁of▁sentence><User>How are you?<Assistant>Good, thanks!<end▁of▁sentence><User>What's the weather?<Assistant>`,
},
}
renderer := &CogitoRenderer{isThinking: true}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
rendered, err := renderer.Render(tt.messages, tt.tools, tt.thinkValue)
if err != nil {
t.Fatalf("Render() error = %v", err)
}
if diff := cmp.Diff(tt.expected, rendered); diff != "" {
t.Errorf("Render() mismatch (-want +got):\n%s", diff)
}
})
}
}

View File

@@ -56,6 +56,9 @@ func rendererForName(name string) Renderer {
case "qwen3-vl-thinking":
renderer := &Qwen3VLRenderer{isThinking: true, useImgTags: RenderImgTags}
return renderer
case "cogito":
renderer := &CogitoRenderer{isThinking: true}
return renderer
default:
return nil
}