ollama/server/llm_utils_test.go
Daniel Hiltgen d4cd695759 Add cgo implementation for llama.cpp
Run the server.cpp directly inside the Go runtime via cgo
while retaining the LLM Go abstractions.
2023-12-19 09:05:46 -08:00

76 lines
1.9 KiB
Go

package server
import (
"context"
"errors"
"os"
"path"
"runtime"
"testing"
"time"
"github.com/jmorganca/ollama/api"
"github.com/jmorganca/ollama/llm"
"github.com/stretchr/testify/require"
)
func SkipIFNoTestData(t *testing.T) {
modelDir := getModelDir()
if _, err := os.Stat(modelDir); errors.Is(err, os.ErrNotExist) {
t.Skipf("%s does not exist - skipping integration tests", modelDir)
}
}
func getModelDir() string {
_, filename, _, _ := runtime.Caller(0)
return path.Dir(path.Dir(filename) + "/../test_data/models/.")
}
func PrepareModelForPrompts(t *testing.T, modelName string, opts api.Options) (*Model, llm.LLM) {
modelDir := getModelDir()
os.Setenv("OLLAMA_MODELS", modelDir)
model, err := GetModel(modelName)
require.NoError(t, err, "GetModel ")
err = opts.FromMap(model.Options)
require.NoError(t, err, "opts from model ")
runner, err := llm.New("unused", model.ModelPath, model.AdapterPaths, model.ProjectorPaths, opts)
require.NoError(t, err, "llm.New failed")
return model, runner
}
func OneShotPromptResponse(t *testing.T, ctx context.Context, req api.GenerateRequest, model *Model, runner llm.LLM) string {
checkpointStart := time.Now()
prompt, err := model.Prompt(PromptVars{
System: req.System,
Prompt: req.Prompt,
First: len(req.Context) == 0,
})
require.NoError(t, err, "prompt generation failed")
success := make(chan bool, 1)
response := ""
cb := func(r llm.PredictResult) {
if !r.Done {
response += r.Content
} else {
success <- true
}
}
checkpointLoaded := time.Now()
predictReq := llm.PredictOpts{
Prompt: prompt,
Format: req.Format,
CheckpointStart: checkpointStart,
CheckpointLoaded: checkpointLoaded,
}
err = runner.Predict(ctx, predictReq, cb)
require.NoError(t, err, "predict call failed")
select {
case <-ctx.Done():
t.Errorf("failed to complete before timeout: \n%s", response)
return ""
case <-success:
return response
}
}