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import type { ContextMessage } from '@moonshot-ai/agent-core-v2';
import { projectPromptContentParts, toProtocolMessage } from '../../../src/services/messages/messageProjection';
const SESSION_ID = 'session_1';
const CREATED_AT = 1_700_000_000_000;
function userText(text: string): ContextMessage {
return { role: 'user', content: [{ type: 'text', text }], toolCalls: [] };
}
describe('toProtocolMessage', () => {
it('maps text/think/image/audio/video content parts', () => {
const msg: ContextMessage = {
role: 'user',
content: [
{ type: 'text', text: 'hello' },
{ type: 'think', think: 'hmm', encrypted: 'sig-1' },
{ type: 'image_url', imageUrl: { url: 'https://example.com/a.png' } },
{ type: 'audio_url', audioUrl: { url: 'https://example.com/a.mp3' } },
{ type: 'video_url', videoUrl: { url: 'https://example.com/a.mp4' } },
],
toolCalls: [],
};
expect(toProtocolMessage(SESSION_ID, 0, msg, CREATED_AT).content).toEqual([
{ type: 'text', text: 'hello' },
{ type: 'thinking', thinking: 'hmm', signature: 'sig-1' },
{ type: 'image', source: { kind: 'url', url: 'https://example.com/a.png' } },
{ type: 'text', text: '[audio:https://example.com/a.mp3]' },
{ type: 'video', source: { kind: 'url', url: 'https://example.com/a.mp4' } },
]);
});
it('projects a daemon-ref image part to a session_media source', () => {
const msg: ContextMessage = {
role: 'user',
content: [
{ type: 'text', text: 'what is this?' },
{ type: 'image_url', imageUrl: { url: 'kimi-file://file_9?path=%2Fcache%2Fpic.png' } },
],
toolCalls: [],
};
expect(toProtocolMessage(SESSION_ID, 0, msg, CREATED_AT).content).toEqual([
{ type: 'text', text: 'what is this?' },
{ type: 'image', source: { kind: 'session_media', file_id: 'file_9' } },
]);
});
it('preserves media names in live and prompt projections', () => {
const part = {
type: 'image_url' as const,
imageUrl: { url: 'kimi-file://file_9', id: 'file_9', name: 'photo.png' },
};
const msg: ContextMessage = { role: 'user', content: [part], toolCalls: [] };
expect(toProtocolMessage(SESSION_ID, 0, msg, CREATED_AT).content).toEqual([
{ type: 'image', source: { kind: 'session_media', file_id: 'file_9' }, name: 'photo.png' },
]);
expect(projectPromptContentParts([part])).toEqual([
{ type: 'image', source: { kind: 'session_media', file_id: 'file_9' }, name: 'photo.png' },
]);
});
it('keeps a legacy tag+ref pair as text plus the ref projection', () => {
const msg: ContextMessage = {
role: 'user',
content: [
{ type: 'text', text: '<image path="/cache/pic.png"></image>' },
{ type: 'image_url', imageUrl: { url: 'kimi-file://file_9?path=%2Fcache%2Fpic.png' } },
],
toolCalls: [],
};
expect(toProtocolMessage(SESSION_ID, 0, msg, CREATED_AT).content).toEqual([
{ type: 'text', text: '<image path="/cache/pic.png"></image>' },
{ type: 'image', source: { kind: 'session_media', file_id: 'file_9' } },
]);
});
it('keeps a bare <media path> tag as text in user messages', () => {
const msg: ContextMessage = {
role: 'user',
content: [
{ type: 'text', text: '<video path="/cache/clip.mp4">' },
{ type: 'text', text: 'watch this' },
],
toolCalls: [],
};
expect(toProtocolMessage(SESSION_ID, 0, msg, CREATED_AT).content).toEqual([
{ type: 'text', text: '<video path="/cache/clip.mp4">' },
{ type: 'text', text: 'watch this' },
]);
});
it('passes assistant tag-shaped text through verbatim', () => {
const msg: ContextMessage = {
role: 'assistant',
content: [{ type: 'text', text: '<image path="/cache/out.png"></image>' }],
toolCalls: [],
};
expect(toProtocolMessage(SESSION_ID, 0, msg, CREATED_AT).content).toEqual([
{ type: 'text', text: '<image path="/cache/out.png"></image>' },
]);
});
it('projects a kimi-file video reference to a structured file source without leaking the path', () => {
const msg: ContextMessage = {
role: 'user',
content: [
{ type: 'video_url', videoUrl: { url: 'kimi-file://file_9?path=%2Fcache%2Fclip.mp4' } },
],
toolCalls: [],
};
expect(toProtocolMessage(SESSION_ID, 0, msg, CREATED_AT).content).toEqual([
{ type: 'video', source: { kind: 'session_media', file_id: 'file_9' } },
]);
});
it('projects a provider video url to a structured url source carrying its id', () => {
const msg: ContextMessage = {
role: 'user',
content: [{ type: 'video_url', videoUrl: { url: 'ms://prov-7', id: 'prov-7' } }],
toolCalls: [],
};
expect(toProtocolMessage(SESSION_ID, 0, msg, CREATED_AT).content).toEqual([
{ type: 'video', source: { kind: 'url', url: 'ms://prov-7', id: 'prov-7' } },
]);
});
it('appends assistant tool calls as tool_use parts with parsed input', () => {
const msg: ContextMessage = {
role: 'assistant',
content: [{ type: 'text', text: 'running' }],
toolCalls: [
{ type: 'function', id: 'call_1', name: 'Bash', arguments: '{"cmd":"ls"}' },
{ type: 'function', id: 'call_2', name: 'Broken', arguments: '{not json' },
],
};
expect(toProtocolMessage(SESSION_ID, 0, msg, CREATED_AT).content).toEqual([
{ type: 'text', text: 'running' },
{ type: 'tool_use', tool_call_id: 'call_1', tool_name: 'Bash', input: { cmd: 'ls' } },
{ type: 'tool_use', tool_call_id: 'call_2', tool_name: 'Broken', input: '{not json' },
]);
});
it('flattens a plain-text tool result into the tool_result output', () => {
const result: ContextMessage = {
role: 'tool',
content: [{ type: 'text', text: 'image result' }],
toolCalls: [],
toolCallId: 'call_image',
note: '<system>Image compressed.</system>',
};
expect(toProtocolMessage(SESSION_ID, 0, result, 0).content).toEqual([
{ type: 'tool_result', tool_call_id: 'call_image', output: 'image result' },
]);
});
it('passes raw media parts through as the tool_result output', () => {
const result: ContextMessage = {
role: 'tool',
content: [
{ type: 'text', text: 'image result' },
{ type: 'image_url', imageUrl: { url: 'data:image/png;base64,AAAA' } },
],
toolCalls: [],
toolCallId: 'call_media',
};
expect(toProtocolMessage(SESSION_ID, 0, result, 0).content).toEqual([
{ type: 'tool_result', tool_call_id: 'call_media', output: result.content },
]);
});
it('marks failed tool results with is_error', () => {
const result: ContextMessage = {
role: 'tool',
content: [{ type: 'text', text: 'boom' }],
toolCalls: [],
toolCallId: 'call_err',
isError: true,
};
expect(toProtocolMessage(SESSION_ID, 0, result, 0).content).toEqual([
{ type: 'tool_result', tool_call_id: 'call_err', output: 'boom', is_error: true },
]);
});
it('prefers the stored message id and falls back to the transcript index', () => {
const withId: ContextMessage = { ...userText('a'), id: 'msg_custom' };
expect(toProtocolMessage(SESSION_ID, 7, withId, CREATED_AT).id).toBe('msg_custom');
expect(toProtocolMessage(SESSION_ID, 7, userText('a'), CREATED_AT).id).toBe(
`msg_${SESSION_ID}_000007`,
);
});
it('stamps created_at from the override or the session-created fallback', () => {
const msg = userText('a');
expect(toProtocolMessage(SESSION_ID, 3, msg, CREATED_AT, CREATED_AT + 999).created_at).toBe(
new Date(CREATED_AT + 999).toISOString(),
);
expect(toProtocolMessage(SESSION_ID, 3, msg, CREATED_AT).created_at).toBe(
new Date(CREATED_AT + 3).toISOString(),
);
});
it('carries origin into metadata and omits metadata otherwise', () => {
const withOrigin: ContextMessage = { ...userText('a'), origin: { kind: 'user' } };
expect(toProtocolMessage(SESSION_ID, 0, withOrigin, CREATED_AT).metadata).toEqual({
origin: { kind: 'user' },
});
expect(toProtocolMessage(SESSION_ID, 0, userText('a'), CREATED_AT)).not.toHaveProperty(
'metadata',
);
});
it('retains composer metadata separately from the projected model content', () => {
const clientMetadata = [{ composer: { version: 1, refs: ['example-ref'] } }];
const msg: ContextMessage = { ...userText('visible'), origin: { kind: 'user', clientMetadata } };
const projected = toProtocolMessage(SESSION_ID, 0, msg, CREATED_AT);
expect(projected.content).toEqual([{ type: 'text', text: 'visible' }]);
expect(projected.metadata).toEqual({ origin: { kind: 'user', clientMetadata } });
});
});
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