The Prometheus monitoring system and time series database.
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// Copyright 2016 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 strutil
import (
"testing"
"github.com/stretchr/testify/require"
)
type linkTest struct {
expression string
expectedGraphLink string
expectedTableLink string
}
var linkTests = []linkTest{
{
"sum(incoming_http_requests_total) by (system)",
"/graph?g0.expr=sum%28incoming_http_requests_total%29+by+%28system%29&g0.tab=0",
"/graph?g0.expr=sum%28incoming_http_requests_total%29+by+%28system%29&g0.tab=1",
},
{
"sum(incoming_http_requests_total{system=\"trackmetadata\"})",
"/graph?g0.expr=sum%28incoming_http_requests_total%7Bsystem%3D%22trackmetadata%22%7D%29&g0.tab=0",
"/graph?g0.expr=sum%28incoming_http_requests_total%7Bsystem%3D%22trackmetadata%22%7D%29&g0.tab=1",
},
}
func TestLink(t *testing.T) {
for _, tt := range linkTests {
graphLink := GraphLinkForExpression(tt.expression)
require.Equal(t, tt.expectedGraphLink, graphLink,
"GraphLinkForExpression failed for expression (%#q)", tt.expression)
tableLink := TableLinkForExpression(tt.expression)
require.Equal(t, tt.expectedTableLink, tableLink,
"TableLinkForExpression failed for expression (%#q)", tt.expression)
}
}
func TestSanitizeLabelName(t *testing.T) {
actual := SanitizeLabelName("fooClientLABEL")
expected := "fooClientLABEL"
require.Equal(t, expected, actual, "SanitizeLabelName failed for label (%s)", expected)
actual = SanitizeLabelName("barClient.LABEL$$##")
expected = "barClient_LABEL____"
require.Equal(t, expected, actual, "SanitizeLabelName failed for label (%s)", expected)
}
func TestSanitizeFullLabelName(t *testing.T) {
actual := SanitizeFullLabelName("fooClientLABEL")
expected := "fooClientLABEL"
require.Equal(t, expected, actual, "SanitizeFullLabelName failed for label (%s)", expected)
actual = SanitizeFullLabelName("barClient.LABEL$$##")
expected = "barClient_LABEL____"
require.Equal(t, expected, actual, "SanitizeFullLabelName failed for label (%s)", expected)
actual = SanitizeFullLabelName("0zerothClient1LABEL")
expected = "_zerothClient1LABEL"
require.Equal(t, expected, actual, "SanitizeFullLabelName failed for label (%s)", expected)
actual = SanitizeFullLabelName("")
expected = "_"
require.Equal(t, expected, actual, "SanitizeFullLabelName failed for the empty label")
}