// Copyright The OpenTelemetry Authors

// SPDX-License-Identifier: Apache-2.0

package otel_test

import (

"regexp"

"testing"

"github.com/stretchr/testify/assert"

"go.opentelemetry.io/otel"

)

// regex taken from https://semver.org/#is-there-a-suggested-regular-expression-regex-to-check-a-semver-string

var versionRegex = regexp.MustCompile(`^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)` +

`(?:-((?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)` +

`(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?` +

`(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$`)

func TestVersionSemver(t *testing.T) {

v := otel.Version()

assert.NotNil(t, versionRegex.FindStringSubmatch(v), "version is not semver: %s", v)

}