telegraf/plugins/inputs/elasticsearch/elasticsearch_test.go

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package elasticsearch
import (
"io/ioutil"
"net/http"
"strings"
"testing"
"github.com/influxdb/telegraf/testutil"
"github.com/stretchr/testify/require"
)
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type transportMock struct {
statusCode int
body string
}
func newTransportMock(statusCode int, body string) http.RoundTripper {
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return &transportMock{
statusCode: statusCode,
body: body,
}
}
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func (t *transportMock) RoundTrip(r *http.Request) (*http.Response, error) {
res := &http.Response{
Header: make(http.Header),
Request: r,
StatusCode: t.statusCode,
}
res.Header.Set("Content-Type", "application/json")
res.Body = ioutil.NopCloser(strings.NewReader(t.body))
return res, nil
}
func TestElasticsearch(t *testing.T) {
es := NewElasticsearch()
es.Servers = []string{"http://example.com:9200"}
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es.client.Transport = newTransportMock(http.StatusOK, statsResponse)
var acc testutil.Accumulator
if err := es.Gather(&acc); err != nil {
t.Fatal(err)
}
tags := map[string]string{
"cluster_name": "es-testcluster",
"node_attribute_master": "true",
"node_id": "SDFsfSDFsdfFSDSDfSFDSDF",
"node_name": "test.host.com",
"node_host": "test",
}
acc.AssertContainsTaggedFields(t, "elasticsearch_indices", indicesExpected, tags)
acc.AssertContainsTaggedFields(t, "elasticsearch_os", osExpected, tags)
acc.AssertContainsTaggedFields(t, "elasticsearch_process", processExpected, tags)
acc.AssertContainsTaggedFields(t, "elasticsearch_jvm", jvmExpected, tags)
acc.AssertContainsTaggedFields(t, "elasticsearch_thread_pool", threadPoolExpected, tags)
acc.AssertContainsTaggedFields(t, "elasticsearch_fs", fsExpected, tags)
acc.AssertContainsTaggedFields(t, "elasticsearch_transport", transportExpected, tags)
acc.AssertContainsTaggedFields(t, "elasticsearch_http", httpExpected, tags)
acc.AssertContainsTaggedFields(t, "elasticsearch_breakers", breakersExpected, tags)
}
func TestGatherClusterStats(t *testing.T) {
es := NewElasticsearch()
es.Servers = []string{"http://example.com:9200"}
es.ClusterHealth = true
es.client.Transport = newTransportMock(http.StatusOK, clusterResponse)
var acc testutil.Accumulator
require.NoError(t, es.Gather(&acc))
acc.AssertContainsTaggedFields(t, "elasticsearch_cluster_health",
clusterHealthExpected,
map[string]string{"name": "elasticsearch_telegraf"})
acc.AssertContainsTaggedFields(t, "elasticsearch_indices",
v1IndexExpected,
map[string]string{"index": "v1"})
acc.AssertContainsTaggedFields(t, "elasticsearch_indices",
v2IndexExpected,
map[string]string{"index": "v2"})
}