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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"
"net/http"
"net/http/httptest"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/weaviate/weaviate/entities/additional"
"github.com/weaviate/weaviate/modules/qna-transformers/ent"
)
func TestGetAnswer(t *testing.T) {
t.Run("when the server has a successful answer (with distance)", func(t *testing.T) {
server := httptest.NewServer(&testAnswerHandler{
t: t,
answer: answersResponse{
answersInput: answersInput{
Text: "My name is John",
Question: "What is my name?",
},
Answer: ptString("John"),
Certainty: ptFloat(0.7),
Distance: ptFloat(0.3),
},
})
defer server.Close()
c := New(server.URL, 0, nullLogger())
res, err := c.Answer(context.Background(), "My name is John",
"What is my name?")
assert.Nil(t, err)
expectedResult := ent.AnswerResult{
Text: "My name is John",
Question: "What is my name?",
Answer: ptString("John"),
Certainty: ptFloat(0.7),
Distance: ptFloat(0.6),
}
assert.Equal(t, expectedResult.Text, res.Text)
assert.Equal(t, expectedResult.Question, res.Question)
assert.Equal(t, expectedResult.Answer, res.Answer)
assert.Equal(t, expectedResult.Certainty, res.Certainty)
assert.InDelta(t, *expectedResult.Distance, *res.Distance, 1e-9)
})
t.Run("when the server has a successful answer (with certainty)", func(t *testing.T) {
server := httptest.NewServer(&testAnswerHandler{
t: t,
answer: answersResponse{
answersInput: answersInput{
Text: "My name is John",
Question: "What is my name?",
},
Answer: ptString("John"),
Certainty: ptFloat(0.7),
},
})
defer server.Close()
c := New(server.URL, 0, nullLogger())
res, err := c.Answer(context.Background(), "My name is John",
"What is my name?")
assert.Nil(t, err)
assert.Equal(t, &ent.AnswerResult{
Text: "My name is John",
Question: "What is my name?",
Answer: ptString("John"),
Certainty: ptFloat(0.7),
Distance: additional.CertaintyToDistPtr(ptFloat(0.7)),
}, res)
})
t.Run("when the server has a an error", func(t *testing.T) {
server := httptest.NewServer(&testAnswerHandler{
t: t,
answer: answersResponse{
Error: "some error from the server",
},
})
defer server.Close()
c := New(server.URL, 0, nullLogger())
_, err := c.Answer(context.Background(), "My name is John",
"What is my name?")
require.NotNil(t, err)
assert.Contains(t, err.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 answersResponse
}
func (f *testAnswerHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
assert.Equal(f.t, "/answers/", r.URL.String())
assert.Equal(f.t, http.MethodPost, r.Method)
if f.answer.Error != "" {
w.WriteHeader(500)
}
jsonBytes, _ := json.Marshal(f.answer)
w.Write(jsonBytes)
}
func ptFloat(in float64) *float64 {
return &in
}
func ptString(in string) *string {
return &in
}
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