19a2610056
Message, Part (Text/Image/File), ToolCall, FunctionCall, and Usage now round-trip through JSON. Message uses a type-discriminated envelope for the Part interface. Required for checkpoint persistence. Signed-off-by: Aurélien Sibiril <81782+aureliensibiril@users.noreply.github.com>
104 lines
2.4 KiB
Go
104 lines
2.4 KiB
Go
// Copyright (c) 2026 Probo Inc <hello@getprobo.com>.
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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// PERFORMANCE OF THIS SOFTWARE.
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package llm
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import (
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"encoding/json"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestMessageJSONRoundTrip(t *testing.T) {
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t.Parallel()
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tests := []struct {
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name string
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msg Message
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}{
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{
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name: "text only",
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msg: Message{
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Role: RoleUser,
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Parts: []Part{TextPart{Text: "hello"}},
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},
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},
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{
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name: "image part",
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msg: Message{
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Role: RoleUser,
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Parts: []Part{ImagePart{URL: "https://example.com/img.png"}},
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},
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},
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{
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name: "file part",
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msg: Message{
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Role: RoleUser,
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Parts: []Part{FilePart{
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Data: "aGVsbG8=", MimeType: "text/plain", Filename: "hello.txt",
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}},
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},
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},
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{
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name: "mixed parts",
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msg: Message{
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Role: RoleUser,
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Parts: []Part{
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TextPart{Text: "see attached"},
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FilePart{Data: "aGVsbG8=", MimeType: "text/plain", Filename: "hello.txt"},
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},
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},
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},
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{
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name: "assistant with tool calls",
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msg: Message{
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Role: RoleAssistant,
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Parts: []Part{TextPart{Text: "calling tool"}},
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ToolCalls: []ToolCall{{
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ID: "call_1",
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Function: FunctionCall{Name: "search", Arguments: `{"q":"test"}`},
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}},
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},
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},
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{
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name: "tool response",
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msg: Message{
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Role: RoleTool,
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ToolCallID: "call_1",
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Parts: []Part{TextPart{Text: "result"}},
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},
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},
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{
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name: "empty parts",
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msg: Message{Role: RoleAssistant},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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t.Parallel()
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data, err := json.Marshal(tt.msg)
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require.NoError(t, err)
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var got Message
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err = json.Unmarshal(data, &got)
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require.NoError(t, err)
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assert.Equal(t, tt.msg, got)
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})
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}
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}
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