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prometheus/util/fmtutil/format_test.go

234 lines
7.3 KiB

// Copyright 2023 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package fmtutil
import (
"bytes"
"testing"
"github.com/stretchr/testify/require"
"github.com/prometheus/prometheus/prompb"
)
var writeRequestFixture = &prompb.WriteRequest{
Metadata: []prompb.MetricMetadata{
{
MetricFamilyName: "http_request_duration_seconds",
Type: 3,
Help: "A histogram of the request duration.",
},
{
MetricFamilyName: "http_requests_total",
Type: 1,
Help: "The total number of HTTP requests.",
},
{
MetricFamilyName: "rpc_duration_seconds",
Type: 5,
Help: "A summary of the RPC duration in seconds.",
},
{
MetricFamilyName: "test_metric1",
Type: 2,
Help: "This is a test metric.",
},
},
Timeseries: []prompb.TimeSeries{
{
Labels: []prompb.Label{
{Name: "__name__", Value: "http_request_duration_seconds_bucket"},
{Name: "job", Value: "promtool"},
{Name: "le", Value: "0.1"},
},
Samples: []prompb.Sample{{Value: 33444, Timestamp: 1}},
},
{
Labels: []prompb.Label{
{Name: "__name__", Value: "http_request_duration_seconds_bucket"},
{Name: "job", Value: "promtool"},
{Name: "le", Value: "0.5"},
},
Samples: []prompb.Sample{{Value: 129389, Timestamp: 1}},
},
{
Labels: []prompb.Label{
{Name: "__name__", Value: "http_request_duration_seconds_bucket"},
{Name: "job", Value: "promtool"},
{Name: "le", Value: "1"},
},
Samples: []prompb.Sample{{Value: 133988, Timestamp: 1}},
},
{
Labels: []prompb.Label{
{Name: "__name__", Value: "http_request_duration_seconds_bucket"},
{Name: "job", Value: "promtool"},
{Name: "le", Value: "+Inf"},
},
Samples: []prompb.Sample{{Value: 144320, Timestamp: 1}},
},
{
Labels: []prompb.Label{
{Name: "__name__", Value: "http_request_duration_seconds_sum"},
{Name: "job", Value: "promtool"},
},
Samples: []prompb.Sample{{Value: 53423, Timestamp: 1}},
},
{
Labels: []prompb.Label{
{Name: "__name__", Value: "http_request_duration_seconds_count"},
{Name: "job", Value: "promtool"},
},
Samples: []prompb.Sample{{Value: 144320, Timestamp: 1}},
},
{
Labels: []prompb.Label{
{Name: "__name__", Value: "http_requests_total"},
{Name: "code", Value: "200"},
{Name: "job", Value: "promtool"},
{Name: "method", Value: "post"},
},
Samples: []prompb.Sample{{Value: 1027, Timestamp: 1395066363000}},
},
{
Labels: []prompb.Label{
{Name: "__name__", Value: "http_requests_total"},
{Name: "code", Value: "400"},
{Name: "job", Value: "promtool"},
{Name: "method", Value: "post"},
},
Samples: []prompb.Sample{{Value: 3, Timestamp: 1395066363000}},
},
{
Labels: []prompb.Label{
{Name: "__name__", Value: "rpc_duration_seconds"},
{Name: "job", Value: "promtool"},
{Name: "quantile", Value: "0.01"},
},
Samples: []prompb.Sample{{Value: 3102, Timestamp: 1}},
},
{
Labels: []prompb.Label{
{Name: "__name__", Value: "rpc_duration_seconds"},
{Name: "job", Value: "promtool"},
{Name: "quantile", Value: "0.5"},
},
Samples: []prompb.Sample{{Value: 4773, Timestamp: 1}},
},
{
Labels: []prompb.Label{
{Name: "__name__", Value: "rpc_duration_seconds"},
{Name: "job", Value: "promtool"},
{Name: "quantile", Value: "0.99"},
},
Samples: []prompb.Sample{{Value: 76656, Timestamp: 1}},
},
{
Labels: []prompb.Label{
{Name: "__name__", Value: "rpc_duration_seconds_sum"},
{Name: "job", Value: "promtool"},
},
Samples: []prompb.Sample{{Value: 1.7560473e+07, Timestamp: 1}},
},
{
Labels: []prompb.Label{
{Name: "__name__", Value: "rpc_duration_seconds_count"},
{Name: "job", Value: "promtool"},
},
Samples: []prompb.Sample{{Value: 2693, Timestamp: 1}},
},
{
Labels: []prompb.Label{
{Name: "__name__", Value: "test_metric1"},
{Name: "b", Value: "c"},
{Name: "baz", Value: "qux"},
{Name: "d", Value: "e"},
{Name: "foo", Value: "bar"},
{Name: "job", Value: "promtool"},
},
Samples: []prompb.Sample{{Value: 1, Timestamp: 1}},
},
{
Labels: []prompb.Label{
{Name: "__name__", Value: "test_metric1"},
{Name: "b", Value: "c"},
{Name: "baz", Value: "qux"},
{Name: "d", Value: "e"},
{Name: "foo", Value: "bar"},
{Name: "job", Value: "promtool"},
},
Samples: []prompb.Sample{{Value: 2, Timestamp: 1}},
},
},
}
func TestParseAndPushMetricsTextAndFormat(t *testing.T) {
input := bytes.NewReader([]byte(`
# HELP http_request_duration_seconds A histogram of the request duration.
# TYPE http_request_duration_seconds histogram
http_request_duration_seconds_bucket{le="0.1"} 33444 1
http_request_duration_seconds_bucket{le="0.5"} 129389 1
http_request_duration_seconds_bucket{le="1"} 133988 1
http_request_duration_seconds_bucket{le="+Inf"} 144320 1
http_request_duration_seconds_sum 53423 1
http_request_duration_seconds_count 144320 1
# HELP http_requests_total The total number of HTTP requests.
# TYPE http_requests_total counter
http_requests_total{method="post",code="200"} 1027 1395066363000
http_requests_total{method="post",code="400"} 3 1395066363000
# HELP rpc_duration_seconds A summary of the RPC duration in seconds.
# TYPE rpc_duration_seconds summary
rpc_duration_seconds{quantile="0.01"} 3102 1
rpc_duration_seconds{quantile="0.5"} 4773 1
rpc_duration_seconds{quantile="0.99"} 76656 1
rpc_duration_seconds_sum 1.7560473e+07 1
rpc_duration_seconds_count 2693 1
# HELP test_metric1 This is a test metric.
# TYPE test_metric1 gauge
test_metric1{b="c",baz="qux",d="e",foo="bar"} 1 1
test_metric1{b="c",baz="qux",d="e",foo="bar"} 2 1
`))
labels := map[string]string{"job": "promtool"}
expected, err := MetricTextToWriteRequest(input, labels)
require.NoError(t, err)
require.Equal(t, writeRequestFixture, expected)
}
func TestMetricTextToWriteRequestErrorParsingFloatValue(t *testing.T) {
input := bytes.NewReader([]byte(`
# HELP http_requests_total The total number of HTTP requests.
# TYPE http_requests_total counter
http_requests_total{method="post",code="200"} 1027Error 1395066363000
http_requests_total{method="post",code="400"} 3 1395066363000
`))
labels := map[string]string{"job": "promtool"}
_, err := MetricTextToWriteRequest(input, labels)
require.Equal(t, err.Error(), "text format parsing error in line 4: expected float as value, got \"1027Error\"")
}
func TestMetricTextToWriteRequestErrorParsingMetricType(t *testing.T) {
input := bytes.NewReader([]byte(`
# HELP node_info node info summary.
# TYPE node_info info
node_info{test="summary"} 1 1395066363000
`))
labels := map[string]string{"job": "promtool"}
_, err := MetricTextToWriteRequest(input, labels)
require.Equal(t, err.Error(), "text format parsing error in line 3: unknown metric type \"info\"")
}