1 // Copyright The OpenTelemetry Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package otel_test 16 17 import ( 18 "regexp" 19 "testing" 20 21 "github.com/stretchr/testify/assert" 22 23 "go.opentelemetry.io/otel" 24 ) 25 26 // regex taken from https://semver.org/#is-there-a-suggested-regular-expression-regex-to-check-a-semver-string 27 var versionRegex = regexp.MustCompile(`^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)` + 28 `(?:-((?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)` + 29 `(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?` + 30 `(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$`) 31 32 func TestVersionSemver(t *testing.T) { 33 v := otel.Version() 34 assert.NotNil(t, versionRegex.FindStringSubmatch(v), "version is not semver: %s", v) 35 } 36