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2026-07-13 12:49:10 +08:00

2190 lines
57 KiB
Go

/*
* Copyright 2024 CloudWeGo Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package schema
import (
"context"
"reflect"
"sync"
"testing"
"github.com/stretchr/testify/assert"
"github.com/cloudwego/eino/internal/generic"
)
func TestMessageTemplate(t *testing.T) {
pyFmtMessage := UserMessage("input: {question}")
jinja2Message := UserMessage("input: {{question}}")
goTemplateMessage := UserMessage("input: {{.question}}")
ctx := context.Background()
question := "what's the weather today"
expected := []*Message{UserMessage("input: " + question)}
ms, err := pyFmtMessage.Format(ctx, map[string]any{"question": question}, FString)
assert.Nil(t, err)
assert.True(t, reflect.DeepEqual(expected, ms))
ms, err = jinja2Message.Format(ctx, map[string]any{"question": question}, Jinja2)
assert.Nil(t, err)
assert.True(t, reflect.DeepEqual(expected, ms))
ms, err = goTemplateMessage.Format(ctx, map[string]any{"question": question}, GoTemplate)
assert.Nil(t, err)
assert.True(t, reflect.DeepEqual(expected, ms))
mp := MessagesPlaceholder("chat_history", false)
m1 := UserMessage("how are you?")
m2 := AssistantMessage("I'm good. how about you?", nil)
ms, err = mp.Format(ctx, map[string]any{"chat_history": []*Message{m1, m2}}, FString)
assert.Nil(t, err)
// len(ms) == 2
assert.Equal(t, 2, len(ms))
assert.Equal(t, ms[0], m1)
assert.Equal(t, ms[1], m2)
}
func TestConcatMessage(t *testing.T) {
t.Run("tool_call_normal_append", func(t *testing.T) {
expectMsg := &Message{
Role: "assistant",
Content: "",
ToolCalls: []ToolCall{
{
Index: generic.PtrOf(0),
ID: "i_am_a_too_call_id",
Type: "function",
Function: FunctionCall{
Name: "i_am_a_tool_name",
Arguments: "{}",
},
},
},
}
givenMsgList := []*Message{
{
Role: "",
Content: "",
ToolCalls: []ToolCall{
{
Index: generic.PtrOf(0),
ID: "",
Type: "",
Function: FunctionCall{
Name: "",
},
},
},
},
{
Role: "assistant",
Content: "",
ToolCalls: []ToolCall{
{
Index: generic.PtrOf(0),
ID: "i_am_a_too_call_id",
Type: "function",
Function: FunctionCall{
Name: "i_am_a_tool_name",
},
},
},
},
{
Role: "",
Content: "",
ToolCalls: []ToolCall{
{
Index: generic.PtrOf(0),
ID: "",
Type: "",
Function: FunctionCall{
Name: "",
Arguments: "{}",
},
},
},
},
}
msg, err := ConcatMessages(givenMsgList)
assert.NoError(t, err)
assert.EqualValues(t, expectMsg, msg)
})
t.Run("exist_nil_message", func(t *testing.T) {
givenMsgList := []*Message{
nil,
{
Role: "assistant",
Content: "",
ToolCalls: []ToolCall{
{
Index: generic.PtrOf(0),
ID: "i_am_a_too_call_id",
Type: "function",
Function: FunctionCall{
Name: "i_am_a_tool_name",
},
},
},
},
}
_, err := ConcatMessages(givenMsgList)
assert.ErrorContains(t, err, "unexpected nil chunk in message stream")
})
t.Run("response_meta", func(t *testing.T) {
expectedMsg := &Message{
Role: "assistant",
ResponseMeta: &ResponseMeta{
FinishReason: "stop",
Usage: &TokenUsage{
CompletionTokens: 15,
PromptTokens: 30,
PromptTokenDetails: PromptTokenDetails{
CachedTokens: 15,
},
CompletionTokensDetails: CompletionTokensDetails{
ReasoningTokens: 8,
},
TotalTokens: 45,
},
},
}
givenMsgList := []*Message{
{
Role: "assistant",
},
{
Role: "assistant",
ResponseMeta: &ResponseMeta{
FinishReason: "",
Usage: &TokenUsage{
CompletionTokens: 10,
PromptTokens: 20,
PromptTokenDetails: PromptTokenDetails{
CachedTokens: 10,
},
CompletionTokensDetails: CompletionTokensDetails{
ReasoningTokens: 5,
},
TotalTokens: 30,
},
},
},
{
Role: "assistant",
ResponseMeta: &ResponseMeta{
FinishReason: "stop",
},
},
{
Role: "assistant",
ResponseMeta: &ResponseMeta{
Usage: &TokenUsage{
CompletionTokens: 15,
PromptTokens: 30,
PromptTokenDetails: PromptTokenDetails{
CachedTokens: 15,
},
CompletionTokensDetails: CompletionTokensDetails{
ReasoningTokens: 8,
},
TotalTokens: 45,
},
},
},
}
msg, err := ConcatMessages(givenMsgList)
assert.NoError(t, err)
assert.Equal(t, expectedMsg, msg)
givenMsgList = append(givenMsgList, &Message{
Role: "assistant",
ResponseMeta: &ResponseMeta{
FinishReason: "tool_calls",
},
})
msg, err = ConcatMessages(givenMsgList)
assert.NoError(t, err)
expectedMsg.ResponseMeta.FinishReason = "tool_calls"
assert.Equal(t, expectedMsg, msg)
})
t.Run("err: different roles", func(t *testing.T) {
msgs := []*Message{
{Role: User},
{Role: Assistant},
}
msg, err := ConcatMessages(msgs)
if assert.Error(t, err) {
assert.ErrorContains(t, err, "cannot concat messages with different roles")
assert.Nil(t, msg)
}
})
t.Run("err: different name", func(t *testing.T) {
msgs := []*Message{
{Role: Assistant, Name: "n", Content: "1"},
{Role: Assistant, Name: "a", Content: "2"},
}
msg, err := ConcatMessages(msgs)
if assert.Error(t, err) {
assert.ErrorContains(t, err, "cannot concat messages with different names")
assert.Nil(t, msg)
}
})
t.Run("err: different tool name", func(t *testing.T) {
msgs := []*Message{
{
Role: "",
Content: "",
ToolCallID: "123",
ToolCalls: []ToolCall{
{
Index: generic.PtrOf(0),
ID: "abc",
Type: "",
Function: FunctionCall{
Name: "",
},
},
},
},
{
Role: "assistant",
Content: "",
ToolCallID: "321",
ToolCalls: []ToolCall{
{
Index: generic.PtrOf(0),
ID: "abc",
Type: "function",
Function: FunctionCall{
Name: "i_am_a_tool_name",
},
},
},
},
}
msg, err := ConcatMessages(msgs)
if assert.Error(t, err) {
assert.ErrorContains(t, err, "cannot concat messages with different toolCallIDs")
assert.Nil(t, msg)
}
})
t.Run("first response meta usage is nil", func(t *testing.T) {
exp := &Message{
Role: "assistant",
ResponseMeta: &ResponseMeta{
FinishReason: "stop",
Usage: &TokenUsage{
CompletionTokens: 15,
PromptTokens: 30,
TotalTokens: 45,
},
},
}
msgs := []*Message{
{
Role: "assistant",
ResponseMeta: &ResponseMeta{
FinishReason: "",
Usage: nil,
},
},
{
Role: "assistant",
ResponseMeta: &ResponseMeta{
FinishReason: "stop",
},
},
{
Role: "assistant",
ResponseMeta: &ResponseMeta{
Usage: &TokenUsage{
CompletionTokens: 15,
PromptTokens: 30,
TotalTokens: 45,
},
},
},
}
msg, err := ConcatMessages(msgs)
assert.NoError(t, err)
assert.Equal(t, exp, msg)
})
t.Run("concurrent concat", func(t *testing.T) {
content := "i_am_a_good_concat_message"
exp := &Message{Role: Assistant, Content: content}
var msgs []*Message
for i := 0; i < len(content); i++ {
msgs = append(msgs, &Message{Role: Assistant, Content: content[i : i+1]})
}
wg := sync.WaitGroup{}
size := 100
wg.Add(size)
for i := 0; i < size; i++ {
go func() {
defer wg.Done()
msg, err := ConcatMessages(msgs)
assert.NoError(t, err)
assert.Equal(t, exp, msg)
}()
}
wg.Wait()
})
t.Run("concat logprobs", func(t *testing.T) {
msgs := []*Message{
{
Role: Assistant,
Content: "🚀",
ResponseMeta: &ResponseMeta{
LogProbs: &LogProbs{
Content: []LogProb{
{
Token: "\\xf0\\x9f\\x9a",
LogProb: -0.0000073458323,
Bytes: []int64{240, 159, 154},
},
{
Token: "\\x80",
LogProb: 0,
Bytes: []int64{128},
},
},
},
},
},
{
Role: "",
Content: "❤️",
ResponseMeta: &ResponseMeta{
LogProbs: &LogProbs{
Content: []LogProb{
{
Token: "❤️",
LogProb: -0.0011431955,
Bytes: []int64{226, 157, 164, 239, 184, 143},
},
},
},
},
},
{
Role: "",
ResponseMeta: &ResponseMeta{
FinishReason: "stop",
Usage: &TokenUsage{
PromptTokens: 7,
CompletionTokens: 3,
TotalTokens: 10,
},
},
},
}
msg, err := ConcatMessages(msgs)
assert.NoError(t, err)
assert.Equal(t, 3, len(msg.ResponseMeta.LogProbs.Content))
assert.Equal(t, msgs[0].ResponseMeta.LogProbs.Content[0], msg.ResponseMeta.LogProbs.Content[0])
assert.Equal(t, msgs[0].ResponseMeta.LogProbs.Content[1], msg.ResponseMeta.LogProbs.Content[1])
assert.Equal(t, msgs[1].ResponseMeta.LogProbs.Content[0], msg.ResponseMeta.LogProbs.Content[2])
})
t.Run("fix unexpected setting ResponseMeta of the first element in slice after ConcatMessages", func(t *testing.T) {
msgs := []*Message{
{
Role: Assistant,
Content: "🚀",
// ResponseMeta: &ResponseMeta{},
},
{
Role: "",
Content: "❤️",
ResponseMeta: &ResponseMeta{},
},
{
Role: "",
ResponseMeta: &ResponseMeta{
FinishReason: "stop",
Usage: &TokenUsage{
PromptTokens: 7,
CompletionTokens: 3,
TotalTokens: 10,
},
},
},
}
msg, err := ConcatMessages(msgs)
assert.NoError(t, err)
assert.Equal(t, msgs[2].ResponseMeta, msg.ResponseMeta)
assert.Nil(t, msgs[0].ResponseMeta)
})
t.Run("concat assistant multi content", func(t *testing.T) {
base64Audio1 := "dGVzdF9hdWRpb18x"
base64Audio2 := "dGVzdF9hdWRpb18y"
imageURL1 := "https://example.com/image1.png"
imageURL2 := "https://example.com/image2.png"
msgs := []*Message{
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeText, Text: "Hello, "},
},
},
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeText, Text: "world!"},
},
},
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeAudioURL, Audio: &MessageOutputAudio{MessagePartCommon: MessagePartCommon{Base64Data: &base64Audio1}}},
},
},
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeAudioURL, Audio: &MessageOutputAudio{MessagePartCommon: MessagePartCommon{Base64Data: &base64Audio2, MIMEType: "audio/wav"}}},
},
},
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeImageURL, Image: &MessageOutputImage{MessagePartCommon: MessagePartCommon{URL: &imageURL1}}},
},
},
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeImageURL, Image: &MessageOutputImage{MessagePartCommon: MessagePartCommon{URL: &imageURL2}}},
},
},
}
mergedMsg, err := ConcatMessages(msgs)
assert.NoError(t, err)
mergedBase64Audio := base64Audio1 + base64Audio2
expectedContent := []MessageOutputPart{
{Type: ChatMessagePartTypeText, Text: "Hello, world!"},
{Type: ChatMessagePartTypeAudioURL, Audio: &MessageOutputAudio{MessagePartCommon: MessagePartCommon{Base64Data: &mergedBase64Audio, MIMEType: "audio/wav"}}},
{Type: ChatMessagePartTypeImageURL, Image: &MessageOutputImage{MessagePartCommon: MessagePartCommon{URL: &imageURL1}}},
{Type: ChatMessagePartTypeImageURL, Image: &MessageOutputImage{MessagePartCommon: MessagePartCommon{URL: &imageURL2}}},
}
assert.Equal(t, expectedContent, mergedMsg.AssistantGenMultiContent)
})
t.Run("concat assistant multi content with extra", func(t *testing.T) {
base64Audio1 := "dGVzdF9hdWRpb18x"
base64Audio2 := "dGVzdF9hdWRpb18y"
msgs := []*Message{
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeAudioURL, Audio: &MessageOutputAudio{MessagePartCommon: MessagePartCommon{Base64Data: &base64Audio1, Extra: map[string]any{"key1": "val1"}}}},
},
},
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeAudioURL, Audio: &MessageOutputAudio{MessagePartCommon: MessagePartCommon{Base64Data: &base64Audio2, Extra: map[string]any{"key2": "val2"}}}},
},
},
}
mergedMsg, err := ConcatMessages(msgs)
assert.NoError(t, err)
mergedBase64Audio := base64Audio1 + base64Audio2
expectedContent := []MessageOutputPart{
{Type: ChatMessagePartTypeAudioURL, Audio: &MessageOutputAudio{MessagePartCommon: MessagePartCommon{Base64Data: &mergedBase64Audio, Extra: map[string]any{"key1": "val1", "key2": "val2"}}}},
}
assert.Equal(t, expectedContent, mergedMsg.AssistantGenMultiContent)
})
t.Run("concat assistant multi content with single extra", func(t *testing.T) {
base64Audio1 := "dGVzdF9hdWRpb18x"
base64Audio2 := "dGVzdF9hdWRpb18y"
msgs := []*Message{
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeAudioURL, Audio: &MessageOutputAudio{MessagePartCommon: MessagePartCommon{Base64Data: &base64Audio1, Extra: map[string]any{"key1": "val1"}}}},
},
},
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeAudioURL, Audio: &MessageOutputAudio{MessagePartCommon: MessagePartCommon{Base64Data: &base64Audio2}}},
},
},
}
mergedMsg, err := ConcatMessages(msgs)
assert.NoError(t, err)
mergedBase64Audio := base64Audio1 + base64Audio2
expectedContent := []MessageOutputPart{
{Type: ChatMessagePartTypeAudioURL, Audio: &MessageOutputAudio{MessagePartCommon: MessagePartCommon{Base64Data: &mergedBase64Audio, Extra: map[string]any{"key1": "val1"}}}},
}
assert.Equal(t, expectedContent, mergedMsg.AssistantGenMultiContent)
})
t.Run("concat text parts with extra", func(t *testing.T) {
msgs := []*Message{
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeText, Text: "Hello ", Extra: map[string]any{"key1": "val1"}},
},
},
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeText, Text: "World", Extra: map[string]any{"key2": "val2"}},
},
},
}
mergedMsg, err := ConcatMessages(msgs)
assert.NoError(t, err)
expectedContent := []MessageOutputPart{
{Type: ChatMessagePartTypeText, Text: "Hello World", Extra: map[string]any{"key1": "val1", "key2": "val2"}},
}
assert.Equal(t, expectedContent, mergedMsg.AssistantGenMultiContent)
})
t.Run("concat text parts with single extra", func(t *testing.T) {
msgs := []*Message{
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeText, Text: "Hello ", Extra: map[string]any{"key1": "val1"}},
},
},
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeText, Text: "World"},
},
},
}
mergedMsg, err := ConcatMessages(msgs)
assert.NoError(t, err)
expectedContent := []MessageOutputPart{
{Type: ChatMessagePartTypeText, Text: "Hello World", Extra: map[string]any{"key1": "val1"}},
}
assert.Equal(t, expectedContent, mergedMsg.AssistantGenMultiContent)
})
t.Run("concat reasoning parts with extra", func(t *testing.T) {
msgs := []*Message{
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeReasoning, Reasoning: &MessageOutputReasoning{Text: "First, "}, Extra: map[string]any{"key1": "val1"}},
},
},
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeReasoning, Reasoning: &MessageOutputReasoning{Text: "I need to think."}, Extra: map[string]any{"key2": "val2"}},
},
},
}
mergedMsg, err := ConcatMessages(msgs)
assert.NoError(t, err)
expectedContent := []MessageOutputPart{
{Type: ChatMessagePartTypeReasoning, Reasoning: &MessageOutputReasoning{Text: "First, I need to think."}, Extra: map[string]any{"key1": "val1", "key2": "val2"}},
}
assert.Equal(t, expectedContent, mergedMsg.AssistantGenMultiContent)
})
t.Run("concat audio parts with outer extra", func(t *testing.T) {
base64Audio1 := "dGVzdF9hdWRpb18x"
base64Audio2 := "dGVzdF9hdWRpb18y"
msgs := []*Message{
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeAudioURL, Audio: &MessageOutputAudio{MessagePartCommon: MessagePartCommon{Base64Data: &base64Audio1}}, Extra: map[string]any{"outer1": "val1"}},
},
},
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeAudioURL, Audio: &MessageOutputAudio{MessagePartCommon: MessagePartCommon{Base64Data: &base64Audio2}}, Extra: map[string]any{"outer2": "val2"}},
},
},
}
mergedMsg, err := ConcatMessages(msgs)
assert.NoError(t, err)
mergedBase64Audio := base64Audio1 + base64Audio2
expectedContent := []MessageOutputPart{
{Type: ChatMessagePartTypeAudioURL, Audio: &MessageOutputAudio{MessagePartCommon: MessagePartCommon{Base64Data: &mergedBase64Audio}}, Extra: map[string]any{"outer1": "val1", "outer2": "val2"}},
}
assert.Equal(t, expectedContent, mergedMsg.AssistantGenMultiContent)
})
t.Run("concat reasoning parts", func(t *testing.T) {
msgs := []*Message{
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeReasoning, Reasoning: &MessageOutputReasoning{Text: "First, "}},
},
},
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeReasoning, Reasoning: &MessageOutputReasoning{Text: "I need to think."}},
},
},
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeText, Text: "Here is my answer."},
},
},
}
mergedMsg, err := ConcatMessages(msgs)
assert.NoError(t, err)
expectedContent := []MessageOutputPart{
{Type: ChatMessagePartTypeReasoning, Reasoning: &MessageOutputReasoning{Text: "First, I need to think."}},
{Type: ChatMessagePartTypeText, Text: "Here is my answer."},
}
assert.Equal(t, expectedContent, mergedMsg.AssistantGenMultiContent)
})
t.Run("concat reasoning parts with signature", func(t *testing.T) {
msgs := []*Message{
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeReasoning, Reasoning: &MessageOutputReasoning{Text: "Step 1: "}},
},
},
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeReasoning, Reasoning: &MessageOutputReasoning{Text: "analyze.", Signature: "sig_abc"}},
},
},
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeReasoning, Reasoning: &MessageOutputReasoning{Text: " Step 2: ", Signature: "sig_xyz"}},
},
},
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeReasoning, Reasoning: &MessageOutputReasoning{Text: "conclude."}},
},
},
}
mergedMsg, err := ConcatMessages(msgs)
assert.NoError(t, err)
expectedContent := []MessageOutputPart{
{Type: ChatMessagePartTypeReasoning, Reasoning: &MessageOutputReasoning{Text: "Step 1: analyze. Step 2: conclude.", Signature: "sig_xyz"}},
}
assert.Equal(t, expectedContent, mergedMsg.AssistantGenMultiContent)
})
t.Run("concat with streaming meta index grouping", func(t *testing.T) {
msgs := []*Message{
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeReasoning, Reasoning: &MessageOutputReasoning{Text: "Think "}, StreamingMeta: &MessageStreamingMeta{Index: 0}},
},
},
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeReasoning, Reasoning: &MessageOutputReasoning{Text: "more."}, StreamingMeta: &MessageStreamingMeta{Index: 0}},
},
},
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeText, Text: "Hello ", StreamingMeta: &MessageStreamingMeta{Index: 1}},
},
},
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeText, Text: "world!", StreamingMeta: &MessageStreamingMeta{Index: 1}},
},
},
}
mergedMsg, err := ConcatMessages(msgs)
assert.NoError(t, err)
expectedContent := []MessageOutputPart{
{Type: ChatMessagePartTypeReasoning, Reasoning: &MessageOutputReasoning{Text: "Think more."}, StreamingMeta: &MessageStreamingMeta{Index: 0}},
{Type: ChatMessagePartTypeText, Text: "Hello world!", StreamingMeta: &MessageStreamingMeta{Index: 1}},
}
assert.Equal(t, expectedContent, mergedMsg.AssistantGenMultiContent)
})
t.Run("concat with different streaming meta index should not merge", func(t *testing.T) {
msgs := []*Message{
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeText, Text: "First block ", StreamingMeta: &MessageStreamingMeta{Index: 0}},
},
},
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeText, Text: "Second block ", StreamingMeta: &MessageStreamingMeta{Index: 1}},
},
},
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeText, Text: "continues.", StreamingMeta: &MessageStreamingMeta{Index: 0}},
},
},
}
mergedMsg, err := ConcatMessages(msgs)
assert.NoError(t, err)
expectedContent := []MessageOutputPart{
{Type: ChatMessagePartTypeText, Text: "First block ", StreamingMeta: &MessageStreamingMeta{Index: 0}},
{Type: ChatMessagePartTypeText, Text: "Second block ", StreamingMeta: &MessageStreamingMeta{Index: 1}},
{Type: ChatMessagePartTypeText, Text: "continues.", StreamingMeta: &MessageStreamingMeta{Index: 0}},
}
assert.Equal(t, expectedContent, mergedMsg.AssistantGenMultiContent)
})
t.Run("concat empty parts", func(t *testing.T) {
msgs := []*Message{
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{},
},
}
mergedMsg, err := ConcatMessages(msgs)
assert.NoError(t, err)
assert.Empty(t, mergedMsg.AssistantGenMultiContent)
})
t.Run("concat single part no merge needed", func(t *testing.T) {
msgs := []*Message{
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeText, Text: "Single"},
},
},
}
mergedMsg, err := ConcatMessages(msgs)
assert.NoError(t, err)
expectedContent := []MessageOutputPart{
{Type: ChatMessagePartTypeText, Text: "Single"},
}
assert.Equal(t, expectedContent, mergedMsg.AssistantGenMultiContent)
})
t.Run("concat multiple consecutive text parts", func(t *testing.T) {
msgs := []*Message{
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeText, Text: "One "},
},
},
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeText, Text: "Two "},
},
},
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeText, Text: "Three "},
},
},
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeText, Text: "Four"},
},
},
}
mergedMsg, err := ConcatMessages(msgs)
assert.NoError(t, err)
expectedContent := []MessageOutputPart{
{Type: ChatMessagePartTypeText, Text: "One Two Three Four"},
}
assert.Equal(t, expectedContent, mergedMsg.AssistantGenMultiContent)
})
t.Run("concat without streaming meta should not merge with streaming meta parts", func(t *testing.T) {
msgs := []*Message{
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeText, Text: "No meta "},
},
},
{
Role: Assistant,
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeText, Text: "With meta", StreamingMeta: &MessageStreamingMeta{Index: 0}},
},
},
}
mergedMsg, err := ConcatMessages(msgs)
assert.NoError(t, err)
expectedContent := []MessageOutputPart{
{Type: ChatMessagePartTypeText, Text: "No meta "},
{Type: ChatMessagePartTypeText, Text: "With meta", StreamingMeta: &MessageStreamingMeta{Index: 0}},
}
assert.Equal(t, expectedContent, mergedMsg.AssistantGenMultiContent)
})
t.Run("concat multi content (deprecated)", func(t *testing.T) {
msgs := []*Message{
{
Role: Assistant,
MultiContent: []ChatMessagePart{
{Type: ChatMessagePartTypeImageURL, ImageURL: &ChatMessageImageURL{URL: "image1.jpg"}},
},
},
{
Role: Assistant,
MultiContent: []ChatMessagePart{
{Type: ChatMessagePartTypeImageURL, ImageURL: &ChatMessageImageURL{URL: "image2.jpg"}},
},
},
}
mergedMsg, err := ConcatMessages(msgs)
assert.NoError(t, err)
expectedMultiContent := []ChatMessagePart{
{Type: ChatMessagePartTypeImageURL, ImageURL: &ChatMessageImageURL{URL: "image1.jpg"}},
{Type: ChatMessagePartTypeImageURL, ImageURL: &ChatMessageImageURL{URL: "image2.jpg"}},
}
assert.Equal(t, expectedMultiContent, mergedMsg.MultiContent)
})
}
func TestConcatToolCalls(t *testing.T) {
t.Run("atomic_field_in_first_chunk", func(t *testing.T) {
givenToolCalls := []ToolCall{
{
Index: generic.PtrOf(0),
ID: "tool_call_id",
Type: "function",
Function: FunctionCall{
Name: "tool_name",
},
},
{
Index: generic.PtrOf(0),
Function: FunctionCall{
Arguments: "call me please",
},
},
}
expectedToolCall := ToolCall{
Index: generic.PtrOf(0),
ID: "tool_call_id",
Type: "function",
Function: FunctionCall{
Name: "tool_name",
Arguments: "call me please",
},
}
tc, err := concatToolCalls(givenToolCalls)
assert.NoError(t, err)
assert.Len(t, tc, 1)
assert.EqualValues(t, expectedToolCall, tc[0])
})
t.Run("atomic_field_in_every_chunk", func(t *testing.T) {
givenToolCalls := []ToolCall{
{
Index: generic.PtrOf(0),
ID: "tool_call_id",
Type: "function",
Function: FunctionCall{
Name: "tool_name",
},
},
{
Index: generic.PtrOf(0),
ID: "tool_call_id",
Type: "function",
Function: FunctionCall{
Name: "tool_name",
Arguments: "call me please",
},
},
}
expectedToolCall := ToolCall{
Index: generic.PtrOf(0),
ID: "tool_call_id",
Type: "function",
Function: FunctionCall{
Name: "tool_name",
Arguments: "call me please",
},
}
tc, err := concatToolCalls(givenToolCalls)
assert.NoError(t, err)
assert.Len(t, tc, 1)
assert.EqualValues(t, expectedToolCall, tc[0])
})
t.Run("atomic_field_in_interval", func(t *testing.T) {
givenToolCalls := []ToolCall{
{
Index: generic.PtrOf(0),
ID: "tool_call_id",
Type: "",
Function: FunctionCall{
Name: "",
},
},
{
Index: generic.PtrOf(0),
ID: "",
Type: "function",
Function: FunctionCall{
Name: "",
Arguments: "call me please",
},
},
{
Index: generic.PtrOf(0),
ID: "tool_call_id",
Type: "",
Function: FunctionCall{
Name: "",
Arguments: "",
},
},
}
expectedToolCall := ToolCall{
Index: generic.PtrOf(0),
ID: "tool_call_id",
Type: "function",
Function: FunctionCall{
Name: "",
Arguments: "call me please",
},
}
tc, err := concatToolCalls(givenToolCalls)
assert.NoError(t, err)
assert.Len(t, tc, 1)
assert.EqualValues(t, expectedToolCall, tc[0])
})
t.Run("different_tool_id", func(t *testing.T) {
givenToolCalls := []ToolCall{
{
Index: generic.PtrOf(0),
ID: "tool_call_id",
Type: "function",
Function: FunctionCall{
Name: "tool_name",
},
},
{
Index: generic.PtrOf(0),
ID: "tool_call_id_1",
Type: "function",
Function: FunctionCall{
Name: "tool_name",
Arguments: "call me please",
},
},
}
_, err := concatToolCalls(givenToolCalls)
assert.ErrorContains(t, err, "cannot concat ToolCalls with different tool id")
})
t.Run("different_tool_type", func(t *testing.T) {
givenToolCalls := []ToolCall{
{
Index: generic.PtrOf(0),
ID: "tool_call_id",
Type: "function",
Function: FunctionCall{
Name: "tool_name",
},
},
{
Index: generic.PtrOf(0),
ID: "tool_call_id",
Type: "function_1",
Function: FunctionCall{
Name: "tool_name",
Arguments: "call me please",
},
},
}
_, err := concatToolCalls(givenToolCalls)
assert.ErrorContains(t, err, "cannot concat ToolCalls with different tool type")
})
t.Run("different_tool_name", func(t *testing.T) {
givenToolCalls := []ToolCall{
{
Index: generic.PtrOf(0),
ID: "tool_call_id",
Type: "function",
Function: FunctionCall{
Name: "tool_name",
},
},
{
Index: generic.PtrOf(0),
ID: "tool_call_id",
Type: "function",
Function: FunctionCall{
Name: "tool_name_1",
Arguments: "call me please",
},
},
}
_, err := concatToolCalls(givenToolCalls)
assert.ErrorContains(t, err, "cannot concat ToolCalls with different tool name")
})
t.Run("multi_tool_call", func(t *testing.T) {
givenToolCalls := []ToolCall{
{
Index: generic.PtrOf(0),
ID: "tool_call_id",
Type: "",
Function: FunctionCall{
Name: "",
},
},
{
Index: generic.PtrOf(0),
ID: "",
Type: "function",
Function: FunctionCall{
Name: "",
Arguments: "call me please",
},
},
{
Index: generic.PtrOf(0),
ID: "tool_call_id",
Type: "",
Function: FunctionCall{
Name: "",
Arguments: "",
},
},
{
Index: generic.PtrOf(1),
ID: "tool_call_id",
Type: "",
Function: FunctionCall{
Name: "",
},
},
{
Index: generic.PtrOf(1),
ID: "",
Type: "function",
Function: FunctionCall{
Name: "",
Arguments: "call me please",
},
},
{
Index: generic.PtrOf(1),
ID: "tool_call_id",
Type: "",
Function: FunctionCall{
Name: "",
Arguments: "",
},
},
{
Index: nil,
ID: "22",
Type: "",
Function: FunctionCall{
Name: "",
},
},
{
Index: nil,
ID: "44",
Type: "",
Function: FunctionCall{
Name: "",
},
},
}
expectedToolCall := []ToolCall{
{
Index: nil,
ID: "22",
Type: "",
Function: FunctionCall{
Name: "",
},
},
{
Index: nil,
ID: "44",
Type: "",
Function: FunctionCall{
Name: "",
},
},
{
Index: generic.PtrOf(0),
ID: "tool_call_id",
Type: "function",
Function: FunctionCall{
Name: "",
Arguments: "call me please",
},
},
{
Index: generic.PtrOf(1),
ID: "tool_call_id",
Type: "function",
Function: FunctionCall{
Name: "",
Arguments: "call me please",
},
},
}
tc, err := concatToolCalls(givenToolCalls)
assert.NoError(t, err)
assert.EqualValues(t, expectedToolCall, tc)
})
}
func TestFormatMultiContent(t *testing.T) {
vs := map[string]any{
"name": "eino",
"url": "https://example.com/img.png",
"id": "42",
}
t.Run("empty input", func(t *testing.T) {
out, err := formatMultiContent(nil, vs, FString)
assert.NoError(t, err)
assert.Equal(t, []ChatMessagePart{}, out)
})
t.Run("render text and urls with FString", func(t *testing.T) {
in := []ChatMessagePart{
{Type: ChatMessagePartTypeText, Text: "hello {name}"},
{Type: ChatMessagePartTypeImageURL, ImageURL: &ChatMessageImageURL{URL: "{url}"}},
{Type: ChatMessagePartTypeAudioURL, AudioURL: &ChatMessageAudioURL{URL: "http://audio/{id}.wav"}},
{Type: ChatMessagePartTypeVideoURL, VideoURL: &ChatMessageVideoURL{URL: "http://video/{id}.mp4"}},
{Type: ChatMessagePartTypeFileURL, FileURL: &ChatMessageFileURL{URL: "http://file/{id}.txt"}},
}
out, err := formatMultiContent(in, vs, FString)
assert.NoError(t, err)
if assert.Len(t, out, len(in)) {
assert.Equal(t, "hello eino", out[0].Text)
assert.Equal(t, "https://example.com/img.png", out[1].ImageURL.URL)
assert.Equal(t, "http://audio/42.wav", out[2].AudioURL.URL)
assert.Equal(t, "http://video/42.mp4", out[3].VideoURL.URL)
assert.Equal(t, "http://file/42.txt", out[4].FileURL.URL)
}
})
t.Run("nil nested pointer should be skipped", func(t *testing.T) {
in := []ChatMessagePart{
{Type: ChatMessagePartTypeImageURL, ImageURL: nil},
{Type: ChatMessagePartTypeAudioURL, AudioURL: nil},
{Type: ChatMessagePartTypeVideoURL, VideoURL: nil},
{Type: ChatMessagePartTypeFileURL, FileURL: nil},
}
out, err := formatMultiContent(in, vs, FString)
assert.NoError(t, err)
assert.Equal(t, in, out)
})
t.Run("missing var should error in GoTemplate", func(t *testing.T) {
in := []ChatMessagePart{{Type: ChatMessagePartTypeText, Text: "hi {{.who}}"}}
_, err := formatMultiContent(in, map[string]any{"name": "x"}, GoTemplate)
assert.Error(t, err)
})
}
func TestFormatUserInputMultiContent(t *testing.T) {
makeStrPtr := func(s string) *string { return &s }
vs := map[string]any{
"x": "world",
"img": "https://example.com/i.png",
"b64": "YmFzZTY0",
"aid": "99",
"vid": "77",
"file": "abc",
}
t.Run("empty input", func(t *testing.T) {
out, err := formatUserInputMultiContent(nil, vs, FString)
assert.NoError(t, err)
assert.Equal(t, []MessageInputPart{}, out)
})
t.Run("render text and both URL/Base64 for each type", func(t *testing.T) {
in := []MessageInputPart{
{Type: ChatMessagePartTypeText, Text: "hello {x}"},
{Type: ChatMessagePartTypeImageURL, Image: &MessageInputImage{MessagePartCommon: MessagePartCommon{URL: makeStrPtr("{img}"), Base64Data: makeStrPtr("{b64}")}}},
{Type: ChatMessagePartTypeAudioURL, Audio: &MessageInputAudio{MessagePartCommon: MessagePartCommon{URL: makeStrPtr("http://a/{aid}.wav"), Base64Data: makeStrPtr("{b64}")}}},
{Type: ChatMessagePartTypeVideoURL, Video: &MessageInputVideo{MessagePartCommon: MessagePartCommon{URL: makeStrPtr("http://v/{vid}.mp4"), Base64Data: makeStrPtr("{b64}")}}},
{Type: ChatMessagePartTypeFileURL, File: &MessageInputFile{MessagePartCommon: MessagePartCommon{URL: makeStrPtr("/f/{file}.txt"), Base64Data: makeStrPtr("{b64}")}}},
}
out, err := formatUserInputMultiContent(in, vs, FString)
assert.NoError(t, err)
if assert.Len(t, out, len(in)) {
assert.Equal(t, "hello world", out[0].Text)
assert.Equal(t, "https://example.com/i.png", *out[1].Image.URL)
assert.Equal(t, "YmFzZTY0", *out[1].Image.Base64Data)
assert.Equal(t, "http://a/99.wav", *out[2].Audio.URL)
assert.Equal(t, "YmFzZTY0", *out[2].Audio.Base64Data)
assert.Equal(t, "http://v/77.mp4", *out[3].Video.URL)
assert.Equal(t, "YmFzZTY0", *out[3].Video.Base64Data)
assert.Equal(t, "/f/abc.txt", *out[4].File.URL)
assert.Equal(t, "YmFzZTY0", *out[4].File.Base64Data)
}
})
t.Run("empty string pointer should not be formatted", func(t *testing.T) {
empty := ""
in := []MessageInputPart{
{Type: ChatMessagePartTypeImageURL, Image: &MessageInputImage{MessagePartCommon: MessagePartCommon{URL: &empty, Base64Data: &empty}}},
}
out, err := formatUserInputMultiContent(in, vs, FString)
assert.NoError(t, err)
if assert.Len(t, out, 1) {
assert.NotNil(t, out[0].Image.URL)
assert.NotNil(t, out[0].Image.Base64Data)
assert.Equal(t, "", *out[0].Image.URL)
assert.Equal(t, "", *out[0].Image.Base64Data)
}
})
}
func TestConcatToolResults(t *testing.T) {
t.Run("empty_chunks", func(t *testing.T) {
result, err := ConcatToolResults([]*ToolResult{})
assert.NoError(t, err)
assert.NotNil(t, result)
assert.Empty(t, result.Parts)
})
t.Run("nil_chunks", func(t *testing.T) {
result, err := ConcatToolResults([]*ToolResult{nil, nil})
assert.NoError(t, err)
assert.NotNil(t, result)
assert.Empty(t, result.Parts)
})
t.Run("single_text_part", func(t *testing.T) {
chunks := []*ToolResult{
{
Parts: []ToolOutputPart{
{Type: ToolPartTypeText, Text: "Hello World"},
},
},
}
result, err := ConcatToolResults(chunks)
assert.NoError(t, err)
assert.Len(t, result.Parts, 1)
assert.Equal(t, ToolPartTypeText, result.Parts[0].Type)
assert.Equal(t, "Hello World", result.Parts[0].Text)
})
t.Run("multiple_text_parts_merge", func(t *testing.T) {
chunks := []*ToolResult{
{
Parts: []ToolOutputPart{
{Type: ToolPartTypeText, Text: "Hello "},
},
},
{
Parts: []ToolOutputPart{
{Type: ToolPartTypeText, Text: "World"},
},
},
{
Parts: []ToolOutputPart{
{Type: ToolPartTypeText, Text: "!"},
},
},
}
result, err := ConcatToolResults(chunks)
assert.NoError(t, err)
assert.Len(t, result.Parts, 1)
assert.Equal(t, ToolPartTypeText, result.Parts[0].Type)
assert.Equal(t, "Hello World!", result.Parts[0].Text)
})
t.Run("multiple_text_parts_merge_with_extra", func(t *testing.T) {
chunks := []*ToolResult{
{
Parts: []ToolOutputPart{
{Type: ToolPartTypeText, Text: "Hello ", Extra: map[string]any{"k1": "v1"}},
{Type: ToolPartTypeText, Text: "World", Extra: map[string]any{"k2": "v2"}},
},
},
}
result, err := ConcatToolResults(chunks)
assert.NoError(t, err)
assert.Len(t, result.Parts, 1)
assert.Equal(t, "Hello World", result.Parts[0].Text)
assert.Equal(t, map[string]any{"k1": "v1", "k2": "v2"}, result.Parts[0].Extra)
})
t.Run("multiple_text_parts_merge_with_single_extra", func(t *testing.T) {
chunks := []*ToolResult{
{
Parts: []ToolOutputPart{
{Type: ToolPartTypeText, Text: "Hello ", Extra: map[string]any{"k1": "v1"}},
{Type: ToolPartTypeText, Text: "World"},
},
},
}
result, err := ConcatToolResults(chunks)
assert.NoError(t, err)
assert.Len(t, result.Parts, 1)
assert.Equal(t, "Hello World", result.Parts[0].Text)
assert.Equal(t, map[string]any{"k1": "v1"}, result.Parts[0].Extra)
})
t.Run("cross_chunk_audio_conflict_error", func(t *testing.T) {
base64Data1 := "YXVkaW8x"
base64Data2 := "YXVkaW8y"
chunks := []*ToolResult{
{
Parts: []ToolOutputPart{
{
Type: ToolPartTypeAudio,
Audio: &ToolOutputAudio{
MessagePartCommon: MessagePartCommon{
Base64Data: &base64Data1,
MIMEType: "audio/wav",
},
},
},
},
},
{
Parts: []ToolOutputPart{
{
Type: ToolPartTypeAudio,
Audio: &ToolOutputAudio{
MessagePartCommon: MessagePartCommon{
Base64Data: &base64Data2,
MIMEType: "audio/wav",
},
},
},
},
},
}
_, err := ConcatToolResults(chunks)
assert.Error(t, err)
assert.Contains(t, err.Error(), "conflicting")
assert.Contains(t, err.Error(), "audio")
})
t.Run("mixed_types_no_merge", func(t *testing.T) {
imageURL := "https://example.com/image.png"
videoURL := "https://example.com/video.mp4"
chunks := []*ToolResult{
{
Parts: []ToolOutputPart{
{Type: ToolPartTypeText, Text: "Text part"},
{
Type: ToolPartTypeImage,
Image: &ToolOutputImage{
MessagePartCommon: MessagePartCommon{
URL: &imageURL,
},
},
},
},
},
{
Parts: []ToolOutputPart{
{
Type: ToolPartTypeVideo,
Video: &ToolOutputVideo{
MessagePartCommon: MessagePartCommon{
URL: &videoURL,
},
},
},
},
},
}
result, err := ConcatToolResults(chunks)
assert.NoError(t, err)
assert.Len(t, result.Parts, 3)
assert.Equal(t, ToolPartTypeText, result.Parts[0].Type)
assert.Equal(t, ToolPartTypeImage, result.Parts[1].Type)
assert.Equal(t, ToolPartTypeVideo, result.Parts[2].Type)
})
t.Run("mixed_text_and_single_audio", func(t *testing.T) {
base64Data1 := "YXVkaW8x"
chunks := []*ToolResult{
{
Parts: []ToolOutputPart{
{Type: ToolPartTypeText, Text: "Part 1 "},
{Type: ToolPartTypeText, Text: "Part 2"},
},
},
{
Parts: []ToolOutputPart{
{
Type: ToolPartTypeAudio,
Audio: &ToolOutputAudio{
MessagePartCommon: MessagePartCommon{
Base64Data: &base64Data1,
MIMEType: "audio/wav",
},
},
},
},
},
{
Parts: []ToolOutputPart{
{Type: ToolPartTypeText, Text: " Part 3"},
},
},
}
result, err := ConcatToolResults(chunks)
assert.NoError(t, err)
assert.Len(t, result.Parts, 3)
assert.Equal(t, ToolPartTypeText, result.Parts[0].Type)
assert.Equal(t, "Part 1 Part 2", result.Parts[0].Text)
assert.Equal(t, ToolPartTypeAudio, result.Parts[1].Type)
assert.NotNil(t, result.Parts[1].Audio)
assert.NotNil(t, result.Parts[1].Audio.Base64Data)
assert.Equal(t, "YXVkaW8x", *result.Parts[1].Audio.Base64Data)
assert.Equal(t, ToolPartTypeText, result.Parts[2].Type)
assert.Equal(t, " Part 3", result.Parts[2].Text)
})
t.Run("cross_chunk_audio_url_and_base64_conflict_error", func(t *testing.T) {
audioURL := "https://example.com/audio.wav"
base64Data := "YXVkaW8x"
chunks := []*ToolResult{
{
Parts: []ToolOutputPart{
{
Type: ToolPartTypeAudio,
Audio: &ToolOutputAudio{
MessagePartCommon: MessagePartCommon{
URL: &audioURL,
MIMEType: "audio/wav",
},
},
},
},
},
{
Parts: []ToolOutputPart{
{
Type: ToolPartTypeAudio,
Audio: &ToolOutputAudio{
MessagePartCommon: MessagePartCommon{
Base64Data: &base64Data,
MIMEType: "audio/wav",
},
},
},
},
},
}
_, err := ConcatToolResults(chunks)
assert.Error(t, err)
assert.Contains(t, err.Error(), "conflicting")
assert.Contains(t, err.Error(), "audio")
})
t.Run("single_audio_with_extra_fields", func(t *testing.T) {
base64Data1 := "YXVkaW8x"
chunks := []*ToolResult{
{
Parts: []ToolOutputPart{
{
Type: ToolPartTypeAudio,
Audio: &ToolOutputAudio{
MessagePartCommon: MessagePartCommon{
Base64Data: &base64Data1,
MIMEType: "audio/wav",
Extra: map[string]any{
"key1": "value1",
},
},
},
},
},
},
}
result, err := ConcatToolResults(chunks)
assert.NoError(t, err)
assert.Len(t, result.Parts, 1)
assert.Equal(t, ToolPartTypeAudio, result.Parts[0].Type)
assert.NotNil(t, result.Parts[0].Audio)
assert.NotNil(t, result.Parts[0].Audio.Base64Data)
assert.Equal(t, "YXVkaW8x", *result.Parts[0].Audio.Base64Data)
assert.NotNil(t, result.Parts[0].Audio.Extra)
assert.Equal(t, "value1", result.Parts[0].Audio.Extra["key1"])
})
t.Run("cross_chunk_image_conflict_error", func(t *testing.T) {
imageURL1 := "https://example.com/image1.png"
imageURL2 := "https://example.com/image2.png"
chunks := []*ToolResult{
{
Parts: []ToolOutputPart{
{
Type: ToolPartTypeImage,
Image: &ToolOutputImage{
MessagePartCommon: MessagePartCommon{
URL: &imageURL1,
},
},
},
},
},
{
Parts: []ToolOutputPart{
{
Type: ToolPartTypeImage,
Image: &ToolOutputImage{
MessagePartCommon: MessagePartCommon{
URL: &imageURL2,
},
},
},
},
},
}
_, err := ConcatToolResults(chunks)
assert.Error(t, err)
assert.Contains(t, err.Error(), "conflicting")
assert.Contains(t, err.Error(), "image")
})
t.Run("cross_chunk_video_conflict_error", func(t *testing.T) {
videoURL1 := "https://example.com/video1.mp4"
videoURL2 := "https://example.com/video2.mp4"
chunks := []*ToolResult{
{
Parts: []ToolOutputPart{
{
Type: ToolPartTypeVideo,
Video: &ToolOutputVideo{
MessagePartCommon: MessagePartCommon{
URL: &videoURL1,
},
},
},
},
},
{
Parts: []ToolOutputPart{
{
Type: ToolPartTypeVideo,
Video: &ToolOutputVideo{
MessagePartCommon: MessagePartCommon{
URL: &videoURL2,
},
},
},
},
},
}
_, err := ConcatToolResults(chunks)
assert.Error(t, err)
assert.Contains(t, err.Error(), "conflicting")
assert.Contains(t, err.Error(), "video")
})
t.Run("cross_chunk_file_conflict_error", func(t *testing.T) {
fileURL1 := "https://example.com/file1.pdf"
fileURL2 := "https://example.com/file2.pdf"
chunks := []*ToolResult{
{
Parts: []ToolOutputPart{
{
Type: ToolPartTypeFile,
File: &ToolOutputFile{
MessagePartCommon: MessagePartCommon{
URL: &fileURL1,
},
},
},
},
},
{
Parts: []ToolOutputPart{
{
Type: ToolPartTypeFile,
File: &ToolOutputFile{
MessagePartCommon: MessagePartCommon{
URL: &fileURL2,
},
},
},
},
},
}
_, err := ConcatToolResults(chunks)
assert.Error(t, err)
assert.Contains(t, err.Error(), "conflicting")
assert.Contains(t, err.Error(), "file")
})
t.Run("same_chunk_text_merged", func(t *testing.T) {
chunks := []*ToolResult{
{
Parts: []ToolOutputPart{
{Type: ToolPartTypeText, Text: "Hello "},
{Type: ToolPartTypeText, Text: "World"},
},
},
}
result, err := ConcatToolResults(chunks)
assert.NoError(t, err)
assert.Len(t, result.Parts, 1)
assert.Equal(t, ToolPartTypeText, result.Parts[0].Type)
assert.Equal(t, "Hello World", result.Parts[0].Text)
})
t.Run("different_non_text_types_across_chunks_allowed", func(t *testing.T) {
imageURL := "https://example.com/image.png"
videoURL := "https://example.com/video.mp4"
base64Audio := "YXVkaW8x"
chunks := []*ToolResult{
{
Parts: []ToolOutputPart{
{
Type: ToolPartTypeImage,
Image: &ToolOutputImage{
MessagePartCommon: MessagePartCommon{
URL: &imageURL,
},
},
},
},
},
{
Parts: []ToolOutputPart{
{
Type: ToolPartTypeVideo,
Video: &ToolOutputVideo{
MessagePartCommon: MessagePartCommon{
URL: &videoURL,
},
},
},
},
},
{
Parts: []ToolOutputPart{
{
Type: ToolPartTypeAudio,
Audio: &ToolOutputAudio{
MessagePartCommon: MessagePartCommon{
Base64Data: &base64Audio,
MIMEType: "audio/wav",
},
},
},
},
},
}
result, err := ConcatToolResults(chunks)
assert.NoError(t, err)
assert.Len(t, result.Parts, 3)
assert.Equal(t, ToolPartTypeImage, result.Parts[0].Type)
assert.Equal(t, ToolPartTypeVideo, result.Parts[1].Type)
assert.Equal(t, ToolPartTypeAudio, result.Parts[2].Type)
})
}
func TestMessageString(t *testing.T) {
t.Run("basic message", func(t *testing.T) {
msg := &Message{
Role: User,
Content: "Hello, world!",
}
result := msg.String()
assert.Contains(t, result, "user: Hello, world!")
})
t.Run("message with UserInputMultiContent", func(t *testing.T) {
imageURL := "https://example.com/image.png"
msg := &Message{
Role: User,
Content: "",
UserInputMultiContent: []MessageInputPart{
{Type: ChatMessagePartTypeText, Text: "Describe this image:"},
{Type: ChatMessagePartTypeImageURL, Image: &MessageInputImage{
MessagePartCommon: MessagePartCommon{URL: &imageURL},
}},
},
}
result := msg.String()
assert.Contains(t, result, "user_input_multi_content:")
assert.Contains(t, result, "[0] text: Describe this image:")
assert.Contains(t, result, "[1] image: url=https://example.com/image.png")
})
t.Run("message with AssistantGenMultiContent", func(t *testing.T) {
base64Data := "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+M9QDwADhgGAWjR9awAAAABJRU5ErkJggg=="
msg := &Message{
Role: Assistant,
Content: "",
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeText, Text: "Here is the generated image:"},
{Type: ChatMessagePartTypeImageURL, Image: &MessageOutputImage{
MessagePartCommon: MessagePartCommon{
Base64Data: &base64Data,
MIMEType: "image/png",
},
}},
},
}
result := msg.String()
assert.Contains(t, result, "assistant_gen_multi_content:")
assert.Contains(t, result, "[0] text: Here is the generated image:")
assert.Contains(t, result, "[1] image: base64[")
assert.Contains(t, result, "mime=image/png")
})
t.Run("message with MultiContent (deprecated)", func(t *testing.T) {
msg := &Message{
Role: User,
Content: "",
MultiContent: []ChatMessagePart{
{Type: ChatMessagePartTypeText, Text: "What is this?"},
{Type: ChatMessagePartTypeImageURL, ImageURL: &ChatMessageImageURL{URL: "https://example.com/photo.jpg"}},
},
}
result := msg.String()
assert.Contains(t, result, "multi_content:")
assert.Contains(t, result, "[0] text: What is this?")
assert.Contains(t, result, "[1] image_url: https://example.com/photo.jpg")
})
t.Run("message with ToolCalls", func(t *testing.T) {
idx := 0
msg := &Message{
Role: Assistant,
Content: "",
ToolCalls: []ToolCall{
{
Index: &idx,
ID: "call_123",
Type: "function",
Function: FunctionCall{
Name: "get_weather",
Arguments: `{"location": "Beijing"}`,
},
},
},
}
result := msg.String()
assert.Contains(t, result, "tool_calls:")
assert.Contains(t, result, "index[0]:")
assert.Contains(t, result, "get_weather")
})
t.Run("tool message", func(t *testing.T) {
msg := &Message{
Role: Tool,
Content: `{"temperature": 25}`,
ToolCallID: "call_123",
ToolName: "get_weather",
}
result := msg.String()
assert.Contains(t, result, "tool: {\"temperature\": 25}")
assert.Contains(t, result, "tool_call_id: call_123")
assert.Contains(t, result, "tool_call_name: get_weather")
})
t.Run("message with reasoning content", func(t *testing.T) {
msg := &Message{
Role: Assistant,
Content: "The answer is 42.",
ReasoningContent: "Let me think about this step by step...",
}
result := msg.String()
assert.Contains(t, result, "reasoning content:")
assert.Contains(t, result, "Let me think about this step by step...")
})
t.Run("message with response meta", func(t *testing.T) {
msg := &Message{
Role: Assistant,
Content: "Hello!",
ResponseMeta: &ResponseMeta{
FinishReason: "stop",
Usage: &TokenUsage{
PromptTokens: 10,
CompletionTokens: 5,
TotalTokens: 15,
},
},
}
result := msg.String()
assert.Contains(t, result, "finish_reason: stop")
assert.Contains(t, result, "usage:")
})
t.Run("message with audio input", func(t *testing.T) {
audioURL := "https://example.com/audio.wav"
msg := &Message{
Role: User,
UserInputMultiContent: []MessageInputPart{
{Type: ChatMessagePartTypeAudioURL, Audio: &MessageInputAudio{
MessagePartCommon: MessagePartCommon{URL: &audioURL},
}},
},
}
result := msg.String()
assert.Contains(t, result, "[0] audio: url=https://example.com/audio.wav")
})
t.Run("message with video input", func(t *testing.T) {
videoURL := "https://example.com/video.mp4"
msg := &Message{
Role: User,
UserInputMultiContent: []MessageInputPart{
{Type: ChatMessagePartTypeVideoURL, Video: &MessageInputVideo{
MessagePartCommon: MessagePartCommon{URL: &videoURL},
}},
},
}
result := msg.String()
assert.Contains(t, result, "[0] video: url=https://example.com/video.mp4")
})
t.Run("message with file input", func(t *testing.T) {
fileURL := "https://example.com/document.pdf"
msg := &Message{
Role: User,
UserInputMultiContent: []MessageInputPart{
{Type: ChatMessagePartTypeFileURL, File: &MessageInputFile{
MessagePartCommon: MessagePartCommon{URL: &fileURL},
}},
},
}
result := msg.String()
assert.Contains(t, result, "[0] file: url=https://example.com/document.pdf")
})
t.Run("nil media parts", func(t *testing.T) {
msg := &Message{
Role: User,
UserInputMultiContent: []MessageInputPart{
{Type: ChatMessagePartTypeImageURL, Image: nil},
},
}
result := msg.String()
assert.Contains(t, result, "[0] image: <nil>")
})
t.Run("combined multi-content types", func(t *testing.T) {
imageURL := "https://example.com/image.png"
base64Audio := "YXVkaW9kYXRh"
msg := &Message{
Role: User,
Content: "Main content",
UserInputMultiContent: []MessageInputPart{
{Type: ChatMessagePartTypeText, Text: "User input text"},
{Type: ChatMessagePartTypeImageURL, Image: &MessageInputImage{
MessagePartCommon: MessagePartCommon{URL: &imageURL},
}},
},
AssistantGenMultiContent: []MessageOutputPart{
{Type: ChatMessagePartTypeText, Text: "Assistant output text"},
{Type: ChatMessagePartTypeAudioURL, Audio: &MessageOutputAudio{
MessagePartCommon: MessagePartCommon{
Base64Data: &base64Audio,
MIMEType: "audio/wav",
},
}},
},
}
result := msg.String()
assert.Contains(t, result, "user: Main content")
assert.Contains(t, result, "user_input_multi_content:")
assert.Contains(t, result, "assistant_gen_multi_content:")
})
}
func TestConvToolOutputPartToMessageInputPart(t *testing.T) {
t.Run("text part", func(t *testing.T) {
toolPart := ToolOutputPart{
Type: ToolPartTypeText,
Text: "test text",
Extra: map[string]any{"key": "value"},
}
result, err := convToolOutputPartToMessageInputPart(toolPart)
assert.NoError(t, err)
assert.Equal(t, ChatMessagePartTypeText, result.Type)
assert.Equal(t, "test text", result.Text)
assert.Equal(t, map[string]any{"key": "value"}, result.Extra)
})
t.Run("image part", func(t *testing.T) {
url := "https://example.com/image.png"
toolPart := ToolOutputPart{
Type: ToolPartTypeImage,
Image: &ToolOutputImage{
MessagePartCommon: MessagePartCommon{
URL: &url,
MIMEType: "image/png",
},
},
Extra: map[string]any{"img_key": "img_value"},
}
result, err := convToolOutputPartToMessageInputPart(toolPart)
assert.NoError(t, err)
assert.Equal(t, ChatMessagePartTypeImageURL, result.Type)
assert.NotNil(t, result.Image)
assert.Equal(t, url, *result.Image.URL)
assert.Equal(t, "image/png", result.Image.MIMEType)
assert.Equal(t, map[string]any{"img_key": "img_value"}, result.Extra)
})
t.Run("image part nil content", func(t *testing.T) {
toolPart := ToolOutputPart{
Type: ToolPartTypeImage,
Image: nil,
}
result, err := convToolOutputPartToMessageInputPart(toolPart)
assert.Error(t, err)
assert.ErrorContains(t, err, "image content is nil")
assert.Equal(t, MessageInputPart{}, result)
})
t.Run("audio part", func(t *testing.T) {
base64Data := "dGVzdF9hdWRpbw=="
toolPart := ToolOutputPart{
Type: ToolPartTypeAudio,
Audio: &ToolOutputAudio{
MessagePartCommon: MessagePartCommon{
Base64Data: &base64Data,
MIMEType: "audio/wav",
},
},
}
result, err := convToolOutputPartToMessageInputPart(toolPart)
assert.NoError(t, err)
assert.Equal(t, ChatMessagePartTypeAudioURL, result.Type)
assert.NotNil(t, result.Audio)
assert.Equal(t, base64Data, *result.Audio.Base64Data)
assert.Equal(t, "audio/wav", result.Audio.MIMEType)
})
t.Run("audio part nil content", func(t *testing.T) {
toolPart := ToolOutputPart{
Type: ToolPartTypeAudio,
Audio: nil,
}
_, err := convToolOutputPartToMessageInputPart(toolPart)
assert.Error(t, err)
assert.ErrorContains(t, err, "audio content is nil")
})
t.Run("video part", func(t *testing.T) {
url := "https://example.com/video.mp4"
toolPart := ToolOutputPart{
Type: ToolPartTypeVideo,
Video: &ToolOutputVideo{
MessagePartCommon: MessagePartCommon{
URL: &url,
MIMEType: "video/mp4",
},
},
}
result, err := convToolOutputPartToMessageInputPart(toolPart)
assert.NoError(t, err)
assert.Equal(t, ChatMessagePartTypeVideoURL, result.Type)
assert.NotNil(t, result.Video)
assert.Equal(t, url, *result.Video.URL)
assert.Equal(t, "video/mp4", result.Video.MIMEType)
})
t.Run("video part nil content", func(t *testing.T) {
toolPart := ToolOutputPart{
Type: ToolPartTypeVideo,
Video: nil,
}
_, err := convToolOutputPartToMessageInputPart(toolPart)
assert.Error(t, err)
assert.ErrorContains(t, err, "video content is nil")
})
t.Run("file part", func(t *testing.T) {
url := "https://example.com/file.pdf"
toolPart := ToolOutputPart{
Type: ToolPartTypeFile,
File: &ToolOutputFile{
MessagePartCommon: MessagePartCommon{
URL: &url,
MIMEType: "application/pdf",
},
},
Extra: map[string]any{"file_key": "file_value"},
}
result, err := convToolOutputPartToMessageInputPart(toolPart)
assert.NoError(t, err)
assert.Equal(t, ChatMessagePartTypeFileURL, result.Type)
assert.NotNil(t, result.File)
assert.Equal(t, url, *result.File.URL)
assert.Equal(t, "application/pdf", result.File.MIMEType)
assert.Equal(t, map[string]any{"file_key": "file_value"}, result.Extra)
})
t.Run("file part nil content", func(t *testing.T) {
toolPart := ToolOutputPart{
Type: ToolPartTypeFile,
File: nil,
}
_, err := convToolOutputPartToMessageInputPart(toolPart)
assert.Error(t, err)
assert.ErrorContains(t, err, "file content is nil")
})
t.Run("unknown type", func(t *testing.T) {
toolPart := ToolOutputPart{
Type: "unknown_type",
}
_, err := convToolOutputPartToMessageInputPart(toolPart)
assert.Error(t, err)
assert.ErrorContains(t, err, "unknown tool part type")
})
}