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// Copyright 2012-present Oliver Eilhard. All rights reserved.
// Use of this source code is governed by a MIT-license.
// See http://olivere.mit-license.org/license.txt for details.
package elastic
import (
"context"
"encoding/json"
"testing"
)
func TestMultiGet(t *testing.T) {
client := setupTestClientAndCreateIndex(t)
tweet1 := tweet{User: "olivere", Message: "Welcome to Golang and Elasticsearch."}
tweet2 := tweet{User: "olivere", Message: "Another unrelated topic."}
tweet3 := tweet{User: "sandrae", Message: "Cycling is fun."}
// Add some documents
_, err := client.Index().Index(testIndexName).Type("doc").Id("1").BodyJson(&tweet1).Do(context.TODO())
if err != nil {
t.Fatal(err)
}
_, err = client.Index().Index(testIndexName).Type("doc").Id("2").BodyJson(&tweet2).Do(context.TODO())
if err != nil {
t.Fatal(err)
}
_, err = client.Index().Index(testIndexName).Type("doc").Id("3").BodyJson(&tweet3).Do(context.TODO())
if err != nil {
t.Fatal(err)
}
_, err = client.Flush().Index(testIndexName).Do(context.TODO())
if err != nil {
t.Fatal(err)
}
// Count documents
count, err := client.Count(testIndexName).Do(context.TODO())
if err != nil {
t.Fatal(err)
}
if count != 3 {
t.Errorf("expected Count = %d; got %d", 3, count)
}
// Get documents 1 and 3
res, err := client.MultiGet().
Add(NewMultiGetItem().Index(testIndexName).Type("doc").Id("1")).
Add(NewMultiGetItem().Index(testIndexName).Type("doc").Id("3")).
Do(context.TODO())
if err != nil {
t.Fatal(err)
}
if res == nil {
t.Fatal("expected result to be != nil; got nil")
}
if res.Docs == nil {
t.Fatal("expected result docs to be != nil; got nil")
}
if len(res.Docs) != 2 {
t.Fatalf("expected to have 2 docs; got %d", len(res.Docs))
}
item := res.Docs[0]
if item.Error != nil {
t.Errorf("expected no error on item 0; got %v", item.Error)
}
if item.Source == nil {
t.Errorf("expected Source != nil; got %v", item.Source)
}
var doc tweet
if err := json.Unmarshal(*item.Source, &doc); err != nil {
t.Fatalf("expected to unmarshal item Source; got %v", err)
}
if doc.Message != tweet1.Message {
t.Errorf("expected Message of first tweet to be %q; got %q", tweet1.Message, doc.Message)
}
item = res.Docs[1]
if item.Error != nil {
t.Errorf("expected no error on item 1; got %v", item.Error)
}
if item.Source == nil {
t.Errorf("expected Source != nil; got %v", item.Source)
}
if err := json.Unmarshal(*item.Source, &doc); err != nil {
t.Fatalf("expected to unmarshal item Source; got %v", err)
}
if doc.Message != tweet3.Message {
t.Errorf("expected Message of second tweet to be %q; got %q", tweet3.Message, doc.Message)
}
}
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