char-fork/llama.cpp
git clone https://git.t4t.associates/char-fork/llama.cpp
92d1bb0c9
char/aliceai-t5-moe
1import { ChatService } from '$lib/services/chat.service' ; 2import type { ApiStreamSession } from '$lib/types' ; 3import { describe , expect , it } from 'vitest' ; 4 5function makeSession ( overrides :Partial < ApiStreamSession >) :ApiStreamSession { 6return { 7completed_at :0 , 8conversation_id :'conv' , 9is_done :true , 10started_at :0 , 11total_bytes :0 , 12 ...overrides 13}; 14} 15 16describe ( 'selectActiveStream' , () => { 17it ( 'returns null on empty input' , () => { 18expect ( ChatService . selectActiveStream ([])). toBeNull (); 19}); 20 21it ( 'returns null on null or undefined input' , () => { 22expect ( ChatService . selectActiveStream ( null )). toBeNull (); 23expect ( ChatService . selectActiveStream ( undefined )). toBeNull (); 24}); 25 26it ( 'returns the single session when it is running' , () => { 27const s = makeSession ({ conversation_id :'only' , is_done :false , started_at :42 }); 28 29expect ( ChatService . selectActiveStream ([ s ])). toBe ( s ); 30}); 31 32it ( 'returns null when the single session is finalized' , () => { 33const s = makeSession ({ conversation_id :'only' , is_done :true , started_at :42 }); 34 35expect ( ChatService . selectActiveStream ([ s ])). toBeNull (); 36}); 37 38it ( 'prefers a still running session over a finalized one regardless of started_at' , () => { 39const finalized = makeSession ({ conversation_id :'old' , is_done :true , started_at :1000 }); 40const running = makeSession ({ conversation_id :'new' , is_done :false , started_at :10 }); 41 42expect ( ChatService . selectActiveStream ([ finalized , running ])?. conversation_id ). toBe ( 'new' ); 43expect ( ChatService . selectActiveStream ([ running , finalized ])?. conversation_id ). toBe ( 'new' ); 44}); 45 46it ( 'among running sessions, picks the most recently started one' , () => { 47const a = makeSession ({ conversation_id :'a' , is_done :false , started_at :100 }); 48const b = makeSession ({ conversation_id :'b' , is_done :false , started_at :200 }); 49const c = makeSession ({ conversation_id :'c' , is_done :false , started_at :150 }); 50 51expect ( ChatService . selectActiveStream ([ a , b , c ])?. conversation_id ). toBe ( 'b' ); 52expect ( ChatService . selectActiveStream ([ c , a , b ])?. conversation_id ). toBe ( 'b' ); 53}); 54 55it ( 'returns null when all sessions are finalized, the DB already holds the content' , () => { 56const a = makeSession ({ conversation_id :'a' , is_done :true , started_at :10 }); 57const b = makeSession ({ conversation_id :'b' , is_done :true , started_at :30 }); 58const c = makeSession ({ conversation_id :'c' , is_done :true , started_at :20 }); 59 60expect ( ChatService . selectActiveStream ([ a , b , c ])). toBeNull (); 61}); 62 63it ( 'keeps the first match on ties when both are running with identical started_at' , () => { 64// reduce visits left to right, the initial accumulator stays unless a strictly greater value appears 65const a = makeSession ({ conversation_id :'first' , is_done :false , started_at :50 }); 66const b = makeSession ({ conversation_id :'second' , is_done :false , started_at :50 }); 67 68expect ( ChatService . selectActiveStream ([ a , b ])?. conversation_id ). toBe ( 'first' ); 69}); 70 71it ( 'handles a typical realistic mix: two finalized old, one freshly running, one freshly finalized' , () => { 72const old1 = makeSession ({ conversation_id :'old1' , is_done :true , started_at :100 }); 73const old2 = makeSession ({ conversation_id :'old2' , is_done :true , started_at :200 }); 74const freshFin = makeSession ({ conversation_id :'freshFin' , is_done :true , started_at :500 }); 75const running = makeSession ({ conversation_id :'running' , is_done :false , started_at :400 }); 76 77expect ( ChatService . selectActiveStream ([ old1 , old2 , freshFin , running ])?. conversation_id ). toBe ( 78'running' 79); 80}); 81});