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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"
"time"
"github.com/sirupsen/logrus"
"github.com/sirupsen/logrus/hooks/test"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func nullLogger() logrus.FieldLogger {
l, _ := test.NewNullLogger()
return l
}
func TestGetAnswer(t *testing.T) {
textProperties := []map[string]string{{"prop": "My name is john"}}
tests := []struct {
name string
answer generateResponse
timeout time.Duration
expectedResult string
}{
{
name: "when the server has a successful aner",
answer: generateResponse{
Generations: []generation{{Text: "John"}},
Error: nil,
},
expectedResult: "John",
},
{
name: "when the server has a an error",
answer: generateResponse{
Error: &cohereApiError{
Message: "some error from the server",
},
},
},
{
name: "when the server does not respond in time",
answer: generateResponse{Error: &cohereApiError{Message: "context deadline exceeded"}},
timeout: time.Second,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
handler := &testAnswerHandler{
t: t,
answer: test.answer,
timeout: test.timeout,
}
server := httptest.NewServer(handler)
defer server.Close()
c := New("apiKey", test.timeout, nullLogger())
settings := &fakeClassConfig{baseURL: server.URL}
res, err := c.GenerateAllResults(context.Background(), textProperties, "What is my name?", settings)
if test.answer.Error != nil {
assert.Contains(t, err.Error(), test.answer.Error.Message)
} else {
assert.Equal(t, test.expectedResult, *res.Result)
}
})
}
t.Run("when X-Cohere-BaseURL header is passed", func(t *testing.T) {
c := New("apiKey", 5*time.Second, nullLogger())
baseURL := "http://default-url.com"
ctxWithValue := context.WithValue(context.Background(),
"X-Cohere-Baseurl", []string{"http://base-url-passed-in-header.com"})
buildURL, err := c.getCohereUrl(ctxWithValue, baseURL)
require.NoError(t, err)
assert.Equal(t, "http://base-url-passed-in-header.com/v1/generate", buildURL)
buildURL, err = c.getCohereUrl(context.TODO(), baseURL)
require.NoError(t, err)
assert.Equal(t, "http://default-url.com/v1/generate", buildURL)
})
}
type testAnswerHandler struct {
t *testing.T
// the test handler will report as not ready before the time has passed
answer generateResponse
timeout time.Duration
}
func (f *testAnswerHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
assert.Equal(f.t, "/v1/generate", r.URL.String())
assert.Equal(f.t, http.MethodPost, r.Method)
time.Sleep(f.timeout)
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 map[string]interface{}
require.Nil(f.t, json.Unmarshal(bodyBytes, &b))
outBytes, err := json.Marshal(f.answer)
require.Nil(f.t, err)
w.Write(outBytes)
}
type fakeClassConfig struct {
baseURL string
}
func (cfg *fakeClassConfig) Tenant() string {
return ""
}
func (cfg *fakeClassConfig) Class() map[string]interface{} {
return nil
}
func (cfg *fakeClassConfig) ClassByModuleName(moduleName string) map[string]interface{} {
settings := map[string]interface{}{
"baseURL": cfg.baseURL,
}
return settings
}
func (cfg *fakeClassConfig) Property(propName string) map[string]interface{} {
return nil
}
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