148 lines
3.5 KiB
Go
148 lines
3.5 KiB
Go
// Copyright 2017 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package remote
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import (
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"testing"
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"github.com/stretchr/testify/require"
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"github.com/prometheus/prometheus/pkg/labels"
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"github.com/prometheus/prometheus/prompb"
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"github.com/prometheus/prometheus/storage"
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)
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func TestValidateLabelsAndMetricName(t *testing.T) {
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tests := []struct {
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input labels.Labels
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expectedErr string
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shouldPass bool
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}{
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{
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input: labels.FromStrings(
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"__name__", "name",
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"labelName", "labelValue",
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),
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expectedErr: "",
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shouldPass: true,
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},
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{
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input: labels.FromStrings(
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"__name__", "name",
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"_labelName", "labelValue",
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),
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expectedErr: "",
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shouldPass: true,
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},
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{
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input: labels.FromStrings(
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"__name__", "name",
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"@labelName", "labelValue",
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),
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expectedErr: "Invalid label name: @labelName",
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shouldPass: false,
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},
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{
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input: labels.FromStrings(
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"__name__", "name",
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"123labelName", "labelValue",
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),
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expectedErr: "Invalid label name: 123labelName",
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shouldPass: false,
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},
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{
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input: labels.FromStrings(
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"__name__", "name",
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"", "labelValue",
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),
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expectedErr: "Invalid label name: ",
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shouldPass: false,
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},
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{
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input: labels.FromStrings(
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"__name__", "name",
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"labelName", string([]byte{0xff}),
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),
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expectedErr: "Invalid label value: " + string([]byte{0xff}),
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shouldPass: false,
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},
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{
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input: labels.FromStrings(
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"__name__", "@invalid_name",
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),
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expectedErr: "Invalid metric name: @invalid_name",
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shouldPass: false,
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},
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}
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for _, test := range tests {
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err := validateLabelsAndMetricName(test.input)
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if test.shouldPass != (err == nil) {
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if test.shouldPass {
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t.Fatalf("Test should pass, got unexpected error: %v", err)
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} else {
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t.Fatalf("Test should fail, unexpected error, got: %v, expected: %v", err, test.expectedErr)
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}
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}
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}
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}
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func TestConcreteSeriesSet(t *testing.T) {
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series1 := &concreteSeries{
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labels: labels.FromStrings("foo", "bar"),
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samples: []*prompb.Sample{&prompb.Sample{Value: 1, Timestamp: 2}},
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}
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series2 := &concreteSeries{
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labels: labels.FromStrings("foo", "baz"),
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samples: []*prompb.Sample{&prompb.Sample{Value: 3, Timestamp: 4}},
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}
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c := &concreteSeriesSet{
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series: []storage.Series{series1, series2},
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}
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if !c.Next() {
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t.Fatalf("Expected Next() to be true.")
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}
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if c.At() != series1 {
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t.Fatalf("Unexpected series returned.")
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}
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if !c.Next() {
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t.Fatalf("Expected Next() to be true.")
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}
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if c.At() != series2 {
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t.Fatalf("Unexpected series returned.")
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}
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if c.Next() {
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t.Fatalf("Expected Next() to be false.")
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}
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}
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func TestConcreteSeriesClonesLabels(t *testing.T) {
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lbls := labels.Labels{
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labels.Label{Name: "a", Value: "b"},
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labels.Label{Name: "c", Value: "d"},
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}
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cs := concreteSeries{
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labels: labels.New(lbls...),
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}
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gotLabels := cs.Labels()
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require.Equal(t, lbls, gotLabels)
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gotLabels[0].Value = "foo"
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gotLabels[1].Value = "bar"
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gotLabels = cs.Labels()
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require.Equal(t, lbls, gotLabels)
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}
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