version-ordering.gradle.kts

/**
 * Makes sure both Maven and Gradle support SemVer
 */
import org.apache.maven.artifact.versioning.ComparableVersion
import org.gradle.api.internal.artifacts.ivyservice.ivyresolve.strategy.DefaultVersionComparator
import org.gradle.api.internal.artifacts.ivyservice.ivyresolve.strategy.Version
import org.gradle.api.internal.artifacts.ivyservice.ivyresolve.strategy.VersionParser
import org.junit.jupiter.api.Assertions.assertEquals
import kotlin.collections.sortedBy

buildscript {
  repositories {
    mavenCentral()
  }
  dependencies {
    classpath("org.apache.maven:maven-artifact:3.8.6")
    classpath("org.junit.jupiter:junit-jupiter-api:5.10.1")
  }
}

val comparator = DefaultVersionComparator().asVersionComparator()
val parser = VersionParser()

class GradleVersion(version: String): Comparable<GradleVersion> {
  val version: Version = parser.transform(version)
  override fun compareTo(other: GradleVersion): Int {
    return comparator.compare(this.version, other.version)
  }
}

val versions = listOf(
  "0.1.1-SNAPSHOT",
  "0.1.1",
  "0.1.2",
  "0.1.10",
  "1.0.0-alpha.1-SNAPSHOT",
  "1.0.0-alpha.1",
  "1.0.0-alpha.2",
  "1.0.0-alpha.10",
  "1.0.0-beta.1-SNAPSHOT",
  "1.0.0-beta.1",
  "1.0.0-beta.2",
  "1.0.0-beta.10",
  "1.0.0-rc.1-SNAPSHOT",
  "1.0.0-rc.1",
  "1.0.0-rc.2",
  "1.0.0-rc.10",
  "1.0.1",
  "1.0.2",
  "1.0.10",
  "1.1.0",
  "2.0.0",
  "10.0.0",
)


fun <Version: Comparable<Version>> assertOrdering(versions: List<String>, block: (String) -> Version) {
  val sorted = versions.sortedBy(block)

  assertEquals(versions, sorted)
}

// Maven
assertOrdering(versions) {
  ComparableVersion(it)
}

// Gradle
assertOrdering(versions) {
  GradleVersion(it)
}