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/* =========================================================================================
* Copyright © 2013-2017 the kamon project <http://kamon.io/>
*
* 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 kamon
import com.typesafe.config.ConfigFactory
import org.scalatest.{Matchers, WordSpec}
class EnvironmentSpec extends WordSpec with Matchers {
private val baseConfig = ConfigFactory.parseString(
"""
|kamon.environment {
| service = environment-spec
| host = auto
| instance = auto
|}
""".stripMargin
)
"the Kamon environment" should {
"assign a host and instance name when they are set to 'auto'" in {
val env = Environment.fromConfig(baseConfig)
env.host shouldNot be("auto")
env.instance shouldNot be("auto")
env.instance shouldBe s"environment-spec@${env.host}"
}
"use the configured host and instance, if provided" in {
val customConfig = ConfigFactory.parseString(
"""
|kamon.environment {
| host = spec-host
| instance = spec-instance
|}
""".stripMargin)
val env = Environment.fromConfig(customConfig.withFallback(baseConfig))
env.host should be("spec-host")
env.instance should be("spec-instance")
}
"always return the same incarnation name" in {
val envOne = Environment.fromConfig(baseConfig)
val envTwo = Environment.fromConfig(baseConfig)
envOne.incarnation shouldBe envTwo.incarnation
}
}
}
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