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// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
// CONTACT: [email protected]
//
package extensions
import (
"bytes"
"fmt"
"net/http"
"net/http/httptest"
"sort"
"testing"
"github.com/stretchr/testify/assert"
)
func Test_StorageHandlers(t *testing.T) {
ls := newFakeLoaderStorer()
h := NewRESTHandlers(ls, nil)
extensionAKey := "my-first-extension"
extensionAValue := []byte("some-value")
extensionBKey := "my-other-extension"
extensionBValue := []byte("some-other-value")
t.Run("retrieving a non existent concept", func(t *testing.T) {
r := httptest.NewRequest("GET", "/my-concept", nil)
w := httptest.NewRecorder()
h.StorageHandler().ServeHTTP(w, r)
res := w.Result()
defer res.Body.Close()
assert.Equal(t, http.StatusNotFound, res.StatusCode)
})
t.Run("storing two extensions", func(t *testing.T) {
t.Run("extension A", func(t *testing.T) {
body := bytes.NewReader(extensionAValue)
r := httptest.NewRequest("PUT", fmt.Sprintf("/%s", extensionAKey), body)
w := httptest.NewRecorder()
h.StorageHandler().ServeHTTP(w, r)
res := w.Result()
defer res.Body.Close()
assert.Equal(t, http.StatusOK, res.StatusCode)
})
t.Run("extension B", func(t *testing.T) {
body := bytes.NewReader(extensionBValue)
r := httptest.NewRequest("PUT", fmt.Sprintf("/%s", extensionBKey), body)
w := httptest.NewRecorder()
h.StorageHandler().ServeHTTP(w, r)
res := w.Result()
defer res.Body.Close()
assert.Equal(t, http.StatusOK, res.StatusCode)
})
})
t.Run("when storing fails", func(t *testing.T) {
ls.storeError = fmt.Errorf("oops")
body := bytes.NewReader(extensionAValue)
r := httptest.NewRequest("PUT", "/some-extension", body)
w := httptest.NewRecorder()
h.StorageHandler().ServeHTTP(w, r)
res := w.Result()
defer res.Body.Close()
assert.Equal(t, http.StatusInternalServerError, res.StatusCode)
})
t.Run("storing with an empty concept", func(t *testing.T) {
body := bytes.NewReader(extensionAValue)
r := httptest.NewRequest("PUT", "/", body)
w := httptest.NewRecorder()
h.StorageHandler().ServeHTTP(w, r)
res := w.Result()
defer res.Body.Close()
assert.Equal(t, http.StatusNotFound, res.StatusCode)
})
t.Run("retrieving two extensions", func(t *testing.T) {
t.Run("extension A", func(t *testing.T) {
r := httptest.NewRequest("GET", fmt.Sprintf("/%s", extensionAKey), nil)
w := httptest.NewRecorder()
h.StorageHandler().ServeHTTP(w, r)
res := w.Result()
defer res.Body.Close()
assert.Equal(t, http.StatusOK, res.StatusCode)
assert.Equal(t, extensionAValue, w.Body.Bytes())
})
t.Run("extension B", func(t *testing.T) {
r := httptest.NewRequest("GET", fmt.Sprintf("/%s", extensionBKey), nil)
w := httptest.NewRecorder()
h.StorageHandler().ServeHTTP(w, r)
res := w.Result()
defer res.Body.Close()
assert.Equal(t, http.StatusOK, res.StatusCode)
assert.Equal(t, extensionBValue, w.Body.Bytes())
})
t.Run("full dump with trailing slash", func(t *testing.T) {
r := httptest.NewRequest("GET", "/", nil)
w := httptest.NewRecorder()
h.StorageHandler().ServeHTTP(w, r)
expectedValue := []byte("some-value\nsome-other-value\n")
res := w.Result()
defer res.Body.Close()
assert.Equal(t, http.StatusOK, res.StatusCode)
assert.Equal(t, expectedValue, w.Body.Bytes())
})
})
t.Run("when loading fails", func(t *testing.T) {
ls.loadError = fmt.Errorf("oops")
body := bytes.NewReader(extensionAValue)
r := httptest.NewRequest("GET", "/some-extension", body)
w := httptest.NewRecorder()
h.StorageHandler().ServeHTTP(w, r)
res := w.Result()
defer res.Body.Close()
assert.Equal(t, http.StatusInternalServerError, res.StatusCode)
})
}
type fakeLoaderStorer struct {
store map[string][]byte
storeError error
loadError error
}
func newFakeLoaderStorer() *fakeLoaderStorer {
return &fakeLoaderStorer{
store: map[string][]byte{},
}
}
func (f *fakeLoaderStorer) Store(concept string, value []byte) error {
if f.storeError == nil {
f.store[concept] = value
}
return f.storeError
}
func (f *fakeLoaderStorer) Load(concept string) ([]byte, error) {
return f.store[concept], f.loadError
}
func (f *fakeLoaderStorer) LoadAll() ([]byte, error) {
var keys [][]byte
for key := range f.store {
keys = append(keys, []byte(key))
}
sort.Slice(keys, func(a, b int) bool {
return bytes.Compare(keys[a], keys[b]) == -1
})
buf := bytes.NewBuffer(nil)
for _, key := range keys {
buf.Write(f.store[string(key)])
buf.Write([]byte("\n"))
}
return buf.Bytes(), nil
}
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