ollama/model/parsers/cogito_test.go

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package parsers
import (
"strings"
"testing"
"github.com/google/go-cmp/cmp"
"github.com/ollama/ollama/api"
)
func TestCogitoParser(t *testing.T) {
tests := []struct {
name string
input string
expectedContent string
expectedThinking string
expectedToolCalls []api.ToolCall
tools []api.Tool
lastMessage *api.Message
}{
{
name: "simple_content",
input: "This is a simple response.",
expectedContent: "This is a simple response.",
expectedThinking: "",
},
{
name: "thinking_only",
input: "This is thinking content.</think>This is response content.",
expectedContent: "This is response content.",
expectedThinking: "This is thinking content.",
},
{
name: "tool_call_simple",
input: `<tool▁calls▁begin><tool▁call▁begin>function<tool▁sep>get_weather
` + "```json\n" + `{"location":"Paris"}
` + "```" + `<tool▁call▁end><tool▁calls▁end>`,
expectedToolCalls: []api.ToolCall{
{
Function: api.ToolCallFunction{
Name: "get_weather",
Arguments: api.ToolCallFunctionArguments{
"location": "Paris",
},
},
},
},
tools: []api.Tool{
{
Type: "function",
Function: api.ToolFunction{
Name: "get_weather",
Parameters: api.ToolFunctionParameters{
Properties: map[string]api.ToolProperty{
"location": {Type: api.PropertyType{"string"}},
},
},
},
},
},
},
{
name: "thinking_with_tool_call",
input: `I need to check the weather.</think><tool▁calls▁begin><tool▁call▁begin>function<tool▁sep>get_weather
` + "```json\n" + `{"location":"Paris"}
` + "```" + `<tool▁call▁end><tool▁calls▁end>`,
expectedContent: "I need to check the weather.</think>",
expectedThinking: "", // No thinking when tools are present (Cogito-specific behavior)
expectedToolCalls: []api.ToolCall{
{
Function: api.ToolCallFunction{
Name: "get_weather",
Arguments: api.ToolCallFunctionArguments{
"location": "Paris",
},
},
},
},
tools: []api.Tool{
{
Type: "function",
Function: api.ToolFunction{
Name: "get_weather",
Parameters: api.ToolFunctionParameters{
Properties: map[string]api.ToolProperty{
"location": {Type: api.PropertyType{"string"}},
},
},
},
},
},
},
{
name: "multiple_tool_calls",
input: `<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>`,
expectedToolCalls: []api.ToolCall{
{
Function: api.ToolCallFunction{
Name: "get_weather",
Arguments: api.ToolCallFunctionArguments{
"location": "Paris",
},
},
},
{
Function: api.ToolCallFunction{
Name: "get_weather",
Arguments: api.ToolCallFunctionArguments{
"location": "London",
},
},
},
},
tools: []api.Tool{
{
Type: "function",
Function: api.ToolFunction{
Name: "get_weather",
Parameters: api.ToolFunctionParameters{
Properties: map[string]api.ToolProperty{
"location": {Type: api.PropertyType{"string"}},
},
},
},
},
},
},
{
name: "complex_tool_arguments",
input: `<tool▁calls▁begin><tool▁call▁begin>function<tool▁sep>process_data
` + "```json\n" + `{"items":["item1","item2"],"config":{"enabled":true,"threshold":0.95},"count":42}
` + "```" + `<tool▁call▁end><tool▁calls▁end>`,
expectedToolCalls: []api.ToolCall{
{
Function: api.ToolCallFunction{
Name: "process_data",
Arguments: api.ToolCallFunctionArguments{
"items": []any{"item1", "item2"},
"config": map[string]any{"enabled": true, "threshold": 0.95},
"count": 42.0,
},
},
},
},
},
{
name: "tool_output_parsing",
input: `<tool▁outputs▁begin><tool▁output▁begin>{"temperature": 22, "condition": "sunny"}<tool▁output▁end><tool▁outputs▁end>`,
expectedContent: "",
expectedThinking: "",
},
{
name: "thinking_with_multiline_content",
input: `This is line 1
This is line 2
This is line 3</think>Final response here.`,
expectedContent: "Final response here.",
expectedThinking: "This is line 1\nThis is line 2\nThis is line 3",
},
{
name: "no_thinking_simple",
input: "This is content.",
expectedContent: "This is content.",
expectedThinking: "",
},
{
name: "prefill_content_only",
input: "Continuing from previous content.",
expectedContent: "Continuing from previous content.",
lastMessage: &api.Message{
Role: "assistant",
Content: "Previous content",
},
},
{
name: "prefill_with_thinking",
input: "Continuing thinking</think>Continuing content.",
expectedContent: "Continuing content.",
expectedThinking: "Continuing thinking",
lastMessage: &api.Message{
Role: "assistant",
},
},
// Edge cases
{
name: "nested_think_tags_in_thinking",
input: "I'm thinking <think>nested</think> more thinking</think>Final content.",
expectedContent: "more thinking</think>Final content.",
expectedThinking: "I'm thinking <think>nested",
},
{
name: "multiple_think_close_tags",
input: "First thinking</think>Content</think>More content.",
expectedContent: "Content</think>More content.",
expectedThinking: "First thinking",
},
{
name: "empty_thinking_content",
input: "</think>Just content here.",
expectedContent: "</think>Just content here.",
expectedThinking: "",
},
{
name: "thinking_disabled_with_think_tags",
input: "Content with </think> tags should be treated as content.",
expectedContent: "Content with </think> tags should be treated as content.",
expectedThinking: "",
lastMessage: &api.Message{
Role: "assistant",
Content: "existing", // Forces non-thinking mode
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
// Use thinking-enabled parser for tests that expect thinking
hasThinking := tt.expectedThinking != ""
parser := &CogitoParser{} // it has thinking support
parser.Init(tt.tools, tt.lastMessage, &api.ThinkValue{Value: hasThinking}) // but we should set it with the request that the user wants
content, thinking, toolCalls, err := parser.Add(tt.input, true)
if err != nil {
t.Fatalf("Add() error = %v", err)
}
if diff := cmp.Diff(tt.expectedContent, content); diff != "" {
t.Errorf("content mismatch (-want +got):\n%s", diff)
}
if diff := cmp.Diff(tt.expectedThinking, thinking); diff != "" {
t.Errorf("thinking mismatch (-want +got):\n%s", diff)
}
if diff := cmp.Diff(tt.expectedToolCalls, toolCalls); diff != "" {
t.Errorf("tool calls mismatch (-want +got):\n%s", diff)
}
})
}
}
func TestCogitoParser_Streaming(t *testing.T) {
parser := &CogitoParser{}
parser.Init(nil, nil, &api.ThinkValue{Value: true})
chunks := []string{
"This is ",
"thinking content",
".</think>This is ",
"content.<tool▁calls▁begin><tool▁call▁begin>function<tool▁sep>test_tool\n```json\n{\"arg\":\"value\"}\n```<tool▁call▁end><tool▁calls▁end>",
}
var finalContent, finalThinking strings.Builder
var finalToolCalls []api.ToolCall
for i, chunk := range chunks {
done := i == len(chunks)-1
content, thinking, toolCalls, err := parser.Add(chunk, done)
if err != nil {
t.Fatalf("Add() error on chunk %d: %v", i, err)
}
finalContent.WriteString(content)
finalThinking.WriteString(thinking)
finalToolCalls = append(finalToolCalls, toolCalls...)
}
expectedContent := "This is content."
expectedThinking := "This is thinking content."
expectedToolCalls := []api.ToolCall{
{
Function: api.ToolCallFunction{
Name: "test_tool",
Arguments: api.ToolCallFunctionArguments{
"arg": "value",
},
},
},
}
if finalContent.String() != expectedContent {
t.Errorf("expected content %q, got %q", expectedContent, finalContent.String())
}
if finalThinking.String() != expectedThinking {
t.Errorf("expected thinking %q, got %q", expectedThinking, finalThinking.String())
}
if diff := cmp.Diff(expectedToolCalls, finalToolCalls); diff != "" {
t.Errorf("tool calls mismatch (-want +got):\n%s", diff)
}
}
func TestCogitoParser_StreamingEdgeCases(t *testing.T) {
tests := []struct {
name string
chunks []string
expectedContent string
expectedThinking string
expectedToolCalls []api.ToolCall
hasThinkingSupport bool
}{
{
name: "split_thinking_tag",
chunks: []string{
"This is thinking content</thi",
"nk>This is content.",
},
expectedContent: "This is content.",
expectedThinking: "This is thinking content",
hasThinkingSupport: true,
},
{
name: "split_tool_calls_begin_tag_conservative_parsing",
chunks: []string{
"Content before<tool▁calls▁beg",
"in><tool▁call▁begin>function<tool▁sep>test\n```json\n{}\n```<tool▁call▁end><tool▁calls▁end>",
},
// Parser is conservative - treats incomplete tags as content
expectedContent: "Content before<tool▁calls▁begin><tool▁call▁begin>function<tool▁sep>test\n```json\n{}\n```<tool▁call▁end><tool▁calls▁end>",
expectedToolCalls: nil,
hasThinkingSupport: false,
},
{
name: "thinking_disabled_with_split_tags",
chunks: []string{
"Content with </thi",
"nk> should be treated as content.",
},
expectedContent: "Content with </think> should be treated as content.",
expectedThinking: "",
hasThinkingSupport: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
parser := &CogitoParser{}
parser.Init(nil, nil, &api.ThinkValue{Value: tt.hasThinkingSupport})
var finalContent, finalThinking strings.Builder
var finalToolCalls []api.ToolCall
for i, chunk := range tt.chunks {
done := i == len(tt.chunks)-1
content, thinking, toolCalls, err := parser.Add(chunk, done)
if err != nil {
t.Fatalf("Add() error on chunk %d: %v", i, err)
}
finalContent.WriteString(content)
finalThinking.WriteString(thinking)
finalToolCalls = append(finalToolCalls, toolCalls...)
}
if finalContent.String() != tt.expectedContent {
t.Errorf("expected content %q, got %q", tt.expectedContent, finalContent.String())
}
if finalThinking.String() != tt.expectedThinking {
t.Errorf("expected thinking %q, got %q", tt.expectedThinking, finalThinking.String())
}
if diff := cmp.Diff(tt.expectedToolCalls, finalToolCalls); diff != "" {
t.Errorf("tool calls mismatch (-want +got):\n%s", diff)
}
})
}
}
func TestCogitoParser_HasToolSupport(t *testing.T) {
parser := &CogitoParser{}
if !parser.HasToolSupport() {
t.Error("CogitoParser should support tools")
}
}
func TestCogitoParser_Init(t *testing.T) {
parser := &CogitoParser{}
tools := []api.Tool{
{Function: api.ToolFunction{Name: "test_tool"}},
}
lastMessage := &api.Message{Role: "assistant", Content: "previous"}
returnedTools := parser.Init(tools, lastMessage, nil)
if len(returnedTools) != len(tools) {
t.Errorf("expected %d tools returned, got %d", len(tools), len(returnedTools))
}
}
func TestCogitoParser_parseToolCallContent(t *testing.T) {
tests := []struct {
name string
content string
expected api.ToolCall
expectError bool
}{
{
name: "valid_tool_call_standard_format",
content: `function<tool▁sep>get_weather
` + "```json\n" + `{"location":"Paris"}
` + "```",
expected: api.ToolCall{
Function: api.ToolCallFunction{
Name: "get_weather",
Arguments: api.ToolCallFunctionArguments{
"location": "Paris",
},
},
},
expectError: false,
},
{
name: "valid_tool_call_complex_args",
content: `function<tool▁sep>process_data
` + "```json\n" + `{"items":["item1","item2"],"config":{"enabled":true},"count":42}
` + "```",
expected: api.ToolCall{
Function: api.ToolCallFunction{
Name: "process_data",
Arguments: api.ToolCallFunctionArguments{
"items": []any{"item1", "item2"},
"config": map[string]any{"enabled": true},
"count": 42.0,
},
},
},
expectError: false,
},
{
name: "valid_tool_call_empty_args",
content: `function<tool▁sep>no_args_tool
` + "```json\n" + `{}
` + "```",
expected: api.ToolCall{
Function: api.ToolCallFunction{
Name: "no_args_tool",
Arguments: api.ToolCallFunctionArguments{},
},
},
expectError: false,
},
{
name: "missing_separator",
content: `functionget_weather` + "```json\n" + `{"location":"Paris"}` + "\n```",
expected: api.ToolCall{},
expectError: true,
},
{
name: "invalid_function_type",
content: `not_function<tool▁sep>get_weather` + "```json\n" + `{"location":"Paris"}` + "\n```",
expected: api.ToolCall{},
expectError: true,
},
{
name: "missing_json_block_start",
content: `function<tool▁sep>get_weather{"location":"Paris"}` + "```",
expected: api.ToolCall{},
expectError: true,
},
{
name: "missing_json_block_end",
content: `function<tool▁sep>get_weather` + "```json\n" + `{"location":"Paris"}`,
expected: api.ToolCall{},
expectError: true,
},
{
name: "invalid_json",
content: `function<tool▁sep>get_weather` + "```json\n" + `{location:Paris}` + "\n```",
expected: api.ToolCall{},
expectError: true,
},
{
name: "empty_function_type",
content: `<tool▁sep>get_weather` + "```json\n" + `{"location":"Paris"}` + "\n```",
expected: api.ToolCall{},
expectError: true,
},
{
name: "tool_with_spaces_in_name",
content: `function<tool▁sep> get_weather
` + "```json\n" + `{"location":"Paris"}
` + "```",
expected: api.ToolCall{
Function: api.ToolCallFunction{
Name: "get_weather",
Arguments: api.ToolCallFunctionArguments{
"location": "Paris",
},
},
},
expectError: false,
},
{
name: "tool_with_multiline_json",
content: `function<tool▁sep>get_weather
` + "```json\n" + `{
"location": "Paris",
"units": "metric"
}
` + "```",
expected: api.ToolCall{
Function: api.ToolCallFunction{
Name: "get_weather",
Arguments: api.ToolCallFunctionArguments{
"location": "Paris",
"units": "metric",
},
},
},
expectError: false,
},
{
name: "tool_with_nested_objects",
content: `function<tool▁sep>complex_tool
` + "```json\n" + `{"nested":{"deep":{"value":123}}}
` + "```",
expected: api.ToolCall{
Function: api.ToolCallFunction{
Name: "complex_tool",
Arguments: api.ToolCallFunctionArguments{
"nested": map[string]any{
"deep": map[string]any{
"value": 123.0,
},
},
},
},
},
expectError: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
parser := &CogitoParser{}
result, err := parser.parseToolCallContent(tt.content)
if tt.expectError {
if err == nil {
t.Errorf("expected error but got none")
}
return
}
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if diff := cmp.Diff(tt.expected, result); diff != "" {
t.Errorf("tool call mismatch (-want +got):\n%s", diff)
}
})
}
}