github.com/weaviate/weaviate@v1.24.6/modules/multi2vec-clip/clients/vectorizer_test.go (about)

     1  //                           _       _
     2  // __      _____  __ ___   ___  __ _| |_ ___
     3  // \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
     4  //  \ V  V /  __/ (_| |\ V /| | (_| | ||  __/
     5  //   \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
     6  //
     7  //  Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
     8  //
     9  //  CONTACT: hello@weaviate.io
    10  //
    11  
    12  package clients
    13  
    14  import (
    15  	"context"
    16  	"encoding/json"
    17  	"net/http"
    18  	"net/http/httptest"
    19  	"testing"
    20  
    21  	"github.com/stretchr/testify/assert"
    22  	"github.com/stretchr/testify/require"
    23  	"github.com/weaviate/weaviate/modules/multi2vec-clip/ent"
    24  )
    25  
    26  func TestVectorize(t *testing.T) {
    27  	t.Run("when the response is successful", func(t *testing.T) {
    28  		server := httptest.NewServer(&testVectorizeHandler{
    29  			t: t,
    30  			res: vecResponse{
    31  				TextVectors: [][]float32{
    32  					{0, 1, 2},
    33  				},
    34  				ImageVectors: [][]float32{
    35  					{1, 2, 3},
    36  				},
    37  			},
    38  		})
    39  		defer server.Close()
    40  		c := New(server.URL, 0, nullLogger())
    41  		res, err := c.Vectorize(context.Background(), []string{"hello"},
    42  			[]string{"image-encoding"}, ent.VectorizationConfig{})
    43  
    44  		assert.Nil(t, err)
    45  		assert.Equal(t, &ent.VectorizationResult{
    46  			TextVectors: [][]float32{
    47  				{0, 1, 2},
    48  			},
    49  			ImageVectors: [][]float32{
    50  				{1, 2, 3},
    51  			},
    52  		}, res)
    53  	})
    54  
    55  	t.Run("when the server has a an error", func(t *testing.T) {
    56  		server := httptest.NewServer(&testVectorizeHandler{
    57  			t: t,
    58  			res: vecResponse{
    59  				Error: "some error from the server",
    60  			},
    61  		})
    62  		defer server.Close()
    63  		c := New(server.URL, 0, nullLogger())
    64  		_, err := c.Vectorize(context.Background(), []string{"hello"},
    65  			[]string{"image-encoding"}, ent.VectorizationConfig{})
    66  
    67  		require.NotNil(t, err)
    68  		assert.Contains(t, err.Error(), "some error from the server")
    69  	})
    70  }
    71  
    72  type testVectorizeHandler struct {
    73  	t *testing.T
    74  	// the test handler will report as not ready before the time has passed
    75  	res vecResponse
    76  }
    77  
    78  func (f *testVectorizeHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
    79  	assert.Equal(f.t, "/vectorize", r.URL.String())
    80  	assert.Equal(f.t, http.MethodPost, r.Method)
    81  
    82  	if f.res.Error != "" {
    83  		w.WriteHeader(500)
    84  	}
    85  	jsonBytes, _ := json.Marshal(f.res)
    86  	w.Write(jsonBytes)
    87  }