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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 TestGet(t *testing.T) {
client := setupTestClientAndCreateIndex(t)
tweet1 := tweet{User: "olivere", Message: "Welcome to Golang and Elasticsearch."}
_, err := client.Index().Index(testIndexName).Type("tweet").Id("1").BodyJson(&tweet1).Do(context.TODO())
if err != nil {
t.Fatal(err)
}
// Get document 1
res, err := client.Get().Index(testIndexName).Type("tweet").Id("1").Do(context.TODO())
if err != nil {
t.Fatal(err)
}
if res.Found != true {
t.Errorf("expected Found = true; got %v", res.Found)
}
if res.Source == nil {
t.Errorf("expected Source != nil; got %v", res.Source)
}
// Get non existent document 99
res, err = client.Get().Index(testIndexName).Type("tweet").Id("99").Do(context.TODO())
if err == nil {
t.Fatalf("expected error; got: %v", err)
}
if !IsNotFound(err) {
t.Errorf("expected NotFound error; got: %v", err)
}
if res != nil {
t.Errorf("expected no response; got: %v", res)
}
}
func TestGetWithSourceFiltering(t *testing.T) {
client := setupTestClientAndCreateIndex(t) // , SetTraceLog(log.New(os.Stdout, "", 0)))
tweet1 := tweet{User: "olivere", Message: "Welcome to Golang and Elasticsearch."}
_, err := client.Index().Index(testIndexName).Type("tweet").Id("1").BodyJson(&tweet1).Do(context.TODO())
if err != nil {
t.Fatal(err)
}
// Get document 1, without source
res, err := client.Get().Index(testIndexName).Type("tweet").Id("1").FetchSource(false).Do(context.TODO())
if err != nil {
t.Fatal(err)
}
if res.Found != true {
t.Errorf("expected Found = true; got %v", res.Found)
}
if res.Source != nil {
t.Errorf("expected Source == nil; got %v", res.Source)
}
// Get document 1, exclude Message field
fsc := NewFetchSourceContext(true).Exclude("message")
res, err = client.Get().Index(testIndexName).Type("tweet").Id("1").FetchSourceContext(fsc).Do(context.TODO())
if err != nil {
t.Fatal(err)
}
if res.Found != true {
t.Errorf("expected Found = true; got %v", res.Found)
}
if res.Source == nil {
t.Errorf("expected Source != nil; got %v", res.Source)
}
var tw tweet
err = json.Unmarshal(*res.Source, &tw)
if err != nil {
t.Fatal(err)
}
if tw.User != "olivere" {
t.Errorf("expected user %q; got: %q", "olivere", tw.User)
}
if tw.Message != "" {
t.Errorf("expected message %q; got: %q", "", tw.Message)
}
}
func TestGetWithFields(t *testing.T) {
client := setupTestClientAndCreateIndex(t) //, SetTraceLog(log.New(os.Stdout, "", 0)))
tweet1 := tweet{User: "olivere", Message: "Welcome to Golang and Elasticsearch."}
_, err := client.Index().Index(testIndexName).Type("tweet").Id("1").BodyJson(&tweet1).Do(context.TODO())
if err != nil {
t.Fatal(err)
}
// Get document 1, specifying fields
res, err := client.Get().Index(testIndexName).Type("tweet").Id("1").StoredFields("message").Do(context.TODO())
if err != nil {
t.Fatal(err)
}
if res.Found != true {
t.Errorf("expected Found = true; got: %v", res.Found)
}
// We must NOT have the "user" field
_, ok := res.Fields["user"]
if ok {
t.Fatalf("expected no field %q in document", "user")
}
// We must have the "message" field
messageField, ok := res.Fields["message"]
if !ok {
t.Fatalf("expected field %q in document", "message")
}
// Depending on the version of elasticsearch the message field will be returned
// as a string or a slice of strings. This test works in both cases.
messageString, ok := messageField.(string)
if !ok {
messageArray, ok := messageField.([]interface{})
if !ok {
t.Fatalf("expected field %q to be a string or a slice of strings; got: %T", "message", messageField)
} else {
messageString, ok = messageArray[0].(string)
if !ok {
t.Fatalf("expected field %q to be a string or a slice of strings; got: %T", "message", messageField)
}
}
}
if messageString != tweet1.Message {
t.Errorf("expected message %q; got: %q", tweet1.Message, messageString)
}
}
func TestGetValidate(t *testing.T) {
// Mitigate against http://stackoverflow.com/questions/27491738/elasticsearch-go-index-failures-no-feature-for-name
client := setupTestClientAndCreateIndex(t)
if _, err := client.Get().Do(context.TODO()); err == nil {
t.Fatal("expected Get to fail")
}
if _, err := client.Get().Index(testIndexName).Do(context.TODO()); err == nil {
t.Fatal("expected Get to fail")
}
if _, err := client.Get().Type("tweet").Do(context.TODO()); err == nil {
t.Fatal("expected Get to fail")
}
if _, err := client.Get().Id("1").Do(context.TODO()); err == nil {
t.Fatal("expected Get to fail")
}
if _, err := client.Get().Index(testIndexName).Type("tweet").Do(context.TODO()); err == nil {
t.Fatal("expected Get to fail")
}
if _, err := client.Get().Type("tweet").Id("1").Do(context.TODO()); err == nil {
t.Fatal("expected Get to fail")
}
}
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