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couchdb_test.go
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package couchdb_test
import (
"net/http"
"net/http/httptest"
"testing"
"github.com/influxdata/telegraf/plugins/inputs/couchdb"
"github.com/influxdata/telegraf/testutil"
"github.com/stretchr/testify/require"
)
func TestBasic(t *testing.T) {
js := `
{
"couchdb": {
"auth_cache_misses": {
"description": "number of authentication cache misses",
"current": null,
"sum": null,
"mean": null,
"stddev": null,
"min": null,
"max": null
},
"database_writes": {
"description": "number of times a database was changed",
"current": null,
"sum": null,
"mean": null,
"stddev": null,
"min": null,
"max": null
},
"open_databases": {
"description": "number of open databases",
"current": null,
"sum": null,
"mean": null,
"stddev": null,
"min": null,
"max": null
},
"auth_cache_hits": {
"description": "number of authentication cache hits",
"current": null,
"sum": null,
"mean": null,
"stddev": null,
"min": null,
"max": null
},
"request_time": {
"description": "length of a request inside CouchDB without MochiWeb",
"current": 18.0,
"sum": 18.0,
"mean": 18.0,
"stddev": null,
"min": 18.0,
"max": 18.0
},
"database_reads": {
"description": "number of times a document was read from a database",
"current": null,
"sum": null,
"mean": null,
"stddev": null,
"min": null,
"max": null
},
"open_os_files": {
"description": "number of file descriptors CouchDB has open",
"current": null,
"sum": null,
"mean": null,
"stddev": null,
"min": null,
"max": null
}
},
"httpd_request_methods": {
"PUT": {
"description": "number of HTTP PUT requests",
"current": null,
"sum": null,
"mean": null,
"stddev": null,
"min": null,
"max": null
},
"GET": {
"description": "number of HTTP GET requests",
"current": 2.0,
"sum": 2.0,
"mean": 0.25,
"stddev": 0.70699999999999996181,
"min": 0,
"max": 2
},
"COPY": {
"description": "number of HTTP COPY requests",
"current": null,
"sum": null,
"mean": null,
"stddev": null,
"min": null,
"max": null
},
"DELETE": {
"description": "number of HTTP DELETE requests",
"current": null,
"sum": null,
"mean": null,
"stddev": null,
"min": null,
"max": null
},
"POST": {
"description": "number of HTTP POST requests",
"current": null,
"sum": null,
"mean": null,
"stddev": null,
"min": null,
"max": null
},
"HEAD": {
"description": "number of HTTP HEAD requests",
"current": null,
"sum": null,
"mean": null,
"stddev": null,
"min": null,
"max": null
}
},
"httpd_status_codes": {
"403": {
"description": "number of HTTP 403 Forbidden responses",
"current": null,
"sum": null,
"mean": null,
"stddev": null,
"min": null,
"max": null
},
"202": {
"description": "number of HTTP 202 Accepted responses",
"current": null,
"sum": null,
"mean": null,
"stddev": null,
"min": null,
"max": null
},
"401": {
"description": "number of HTTP 401 Unauthorized responses",
"current": null,
"sum": null,
"mean": null,
"stddev": null,
"min": null,
"max": null
},
"409": {
"description": "number of HTTP 409 Conflict responses",
"current": null,
"sum": null,
"mean": null,
"stddev": null,
"min": null,
"max": null
},
"200": {
"description": "number of HTTP 200 OK responses",
"current": 1.0,
"sum": 1.0,
"mean": 0.125,
"stddev": 0.35399999999999998135,
"min": 0,
"max": 1
},
"405": {
"description": "number of HTTP 405 Method Not Allowed responses",
"current": null,
"sum": null,
"mean": null,
"stddev": null,
"min": null,
"max": null
},
"400": {
"description": "number of HTTP 400 Bad Request responses",
"current": null,
"sum": null,
"mean": null,
"stddev": null,
"min": null,
"max": null
},
"201": {
"description": "number of HTTP 201 Created responses",
"current": null,
"sum": null,
"mean": null,
"stddev": null,
"min": null,
"max": null
},
"404": {
"description": "number of HTTP 404 Not Found responses",
"current": null,
"sum": null,
"mean": null,
"stddev": null,
"min": null,
"max": null
},
"500": {
"description": "number of HTTP 500 Internal Server Error responses",
"current": null,
"sum": null,
"mean": null,
"stddev": null,
"min": null,
"max": null
},
"412": {
"description": "number of HTTP 412 Precondition Failed responses",
"current": null,
"sum": null,
"mean": null,
"stddev": null,
"min": null,
"max": null
},
"301": {
"description": "number of HTTP 301 Moved Permanently responses",
"current": null,
"sum": null,
"mean": null,
"stddev": null,
"min": null,
"max": null
},
"304": {
"description": "number of HTTP 304 Not Modified responses",
"current": null,
"sum": null,
"mean": null,
"stddev": null,
"min": null,
"max": null
}
},
"httpd": {
"clients_requesting_changes": {
"description": "number of clients for continuous _changes",
"current": null,
"sum": null,
"mean": null,
"stddev": null,
"min": null,
"max": null
},
"temporary_view_reads": {
"description": "number of temporary view reads",
"current": null,
"sum": null,
"mean": null,
"stddev": null,
"min": null,
"max": null
},
"requests": {
"description": "number of HTTP requests",
"current": 2.0,
"sum": 2.0,
"mean": 0.25,
"stddev": 0.70699999999999996181,
"min": 0,
"max": 2
},
"bulk_requests": {
"description": "number of bulk requests",
"current": null,
"sum": null,
"mean": null,
"stddev": null,
"min": null,
"max": null
},
"view_reads": {
"description": "number of view reads",
"current": null,
"sum": null,
"mean": null,
"stddev": null,
"min": null,
"max": null
}
}
}
`
fakeServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.URL.Path == "/_stats" {
_, _ = w.Write([]byte(js))
} else {
w.WriteHeader(http.StatusNotFound)
}
}))
defer fakeServer.Close()
plugin := &couchdb.CouchDB{
Hosts: []string{fakeServer.URL + "/_stats"},
}
var acc testutil.Accumulator
require.NoError(t, acc.GatherError(plugin.Gather))
}