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// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
// CONTACT: [email protected]
//
package clients
import (
"context"
"encoding/json"
"io"
"net/http"
"net/http/httptest"
"testing"
"github.com/sirupsen/logrus"
"github.com/sirupsen/logrus/hooks/test"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
generativemodels "github.com/weaviate/weaviate/usecases/modulecomponents/additional/models"
)
func nullLogger() logrus.FieldLogger {
l, _ := test.NewNullLogger()
return l
}
func TestGetAnswer(t *testing.T) {
t.Run("when the server has a successful answer ", func(t *testing.T) {
handler := &testAnswerHandler{
t: t,
answer: generateResponse{
Predictions: []prediction{
{
Candidates: []candidate{
{
Content: "John",
},
},
},
},
Error: nil,
},
}
server := httptest.NewServer(handler)
defer server.Close()
c := &palm{
apiKey: "apiKey",
httpClient: &http.Client{},
buildUrlFn: func(useGenerativeAI bool, apiEndoint, projectID, modelID string) string {
return server.URL
},
logger: nullLogger(),
}
textProperties := []map[string]string{{"prop": "My name is john"}}
expected := generativemodels.GenerateResponse{
Result: ptString("John"),
}
res, err := c.GenerateAllResults(context.Background(), textProperties, "What is my name?", nil)
assert.Nil(t, err)
assert.Equal(t, expected, *res)
})
t.Run("when the server has a an error", func(t *testing.T) {
server := httptest.NewServer(&testAnswerHandler{
t: t,
answer: generateResponse{
Error: &palmApiError{
Message: "some error from the server",
},
},
})
defer server.Close()
c := &palm{
apiKey: "apiKey",
httpClient: &http.Client{},
buildUrlFn: func(useGenerativeAI bool, apiEndoint, projectID, modelID string) string {
return server.URL
},
logger: nullLogger(),
}
textProperties := []map[string]string{{"prop": "My name is john"}}
_, err := c.GenerateAllResults(context.Background(), textProperties, "What is my name?", nil)
require.NotNil(t, err)
assert.EqualError(t, err, "connection to Google PaLM failed with status: 500 error: some error from the server")
})
}
type testAnswerHandler struct {
t *testing.T
// the test handler will report as not ready before the time has passed
answer generateResponse
}
func (f *testAnswerHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
assert.Equal(f.t, http.MethodPost, r.Method)
if f.answer.Error != nil && f.answer.Error.Message != "" {
outBytes, err := json.Marshal(f.answer)
require.Nil(f.t, err)
w.WriteHeader(http.StatusInternalServerError)
w.Write(outBytes)
return
}
bodyBytes, err := io.ReadAll(r.Body)
require.Nil(f.t, err)
defer r.Body.Close()
var b generateInput
require.Nil(f.t, json.Unmarshal(bodyBytes, &b))
require.Len(f.t, b.Instances, 1)
require.Len(f.t, b.Instances[0].Messages, 1)
require.True(f.t, len(b.Instances[0].Messages[0].Content) > 0)
outBytes, err := json.Marshal(f.answer)
require.Nil(f.t, err)
w.Write(outBytes)
}
func ptString(in string) *string {
return &in
}
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