sbt/main/src/test/scala/PluginsTest.scala

91 lines
2.8 KiB
Scala

package sbt
import java.io.File
import org.specs2._
import mutable.Specification
object PluginsTest extends Specification
{
import AI._
"Auto plugin" should {
"enable plugins with trigger=allRequirements AND requirements met" in {
deducePlugin(A && B, log) must contain(Q)
}
"enable transitive plugins with trigger=allRequirements AND requirements met" in {
deducePlugin(A && B, log) must contain(R)
}
"order enable plugins after required plugins" in {
val ns = deducePlugin(A && B, log)
( (ns indexOf Q) must beGreaterThan(ns indexOf A) ) and
( (ns indexOf Q) must beGreaterThan(ns indexOf B) ) and
( (ns indexOf R) must beGreaterThan(ns indexOf A) ) and
( (ns indexOf R) must beGreaterThan(ns indexOf B) ) and
( (ns indexOf R) must beGreaterThan(ns indexOf Q) )
}
"not enable plugins with trigger=allRequirements but conflicting requirements" in {
deducePlugin(A && B, log) must not contain(S)
}
"enable plugins that are required by the requested plugins" in {
val ns = deducePlugin(Q, log)
(ns must contain(A)) and
(ns must contain(B))
}
"throw an AutoPluginException on conflicting requirements" in {
deducePlugin(S, log) must throwAn[AutoPluginException](message = """Contradiction in enabled plugins:
- requested: sbt.AI\$S
- enabled: sbt.AI\$S, sbt.AI\$Q, sbt.AI\$R, sbt.AI\$B, sbt.AI\$A
- conflict: sbt.AI\$R is enabled by sbt.AI\$Q; excluded by sbt.AI\$S""")
}
"generates a detailed report on conflicting requirements" in {
deducePlugin(T && U, log) must throwAn[AutoPluginException](message = """Contradiction in enabled plugins:
- requested: sbt.AI\$T && sbt.AI\$U
- enabled: sbt.AI\$U, sbt.AI\$T, sbt.AI\$A, sbt.AI\$Q, sbt.AI\$R, sbt.AI\$B
- conflict: sbt.AI\$Q is enabled by sbt.AI\$A && sbt.AI\$B; required by sbt.AI\$T, sbt.AI\$R; excluded by sbt.AI\$U
- conflict: sbt.AI\$R is enabled by sbt.AI\$Q; excluded by sbt.AI\$T""")
}
}
}
object AI
{
lazy val allPlugins: List[AutoPlugin] = List(A, B, Q, R, S, T, U)
lazy val deducePlugin = Plugins.deducer(allPlugins)
lazy val log = Logger.Null
object A extends AutoPlugin
object B extends AutoPlugin
object Q extends AutoPlugin
{
override def requires: Plugins = A && B
override def trigger = allRequirements
}
object R extends AutoPlugin
{
override def requires = Q
override def trigger = allRequirements
}
object S extends AutoPlugin
{
override def requires = Q && !R
override def trigger = allRequirements
}
// This is an opt-in plugin with a requirement
// Unless explicitly loaded by the build user, this will not be activated.
object T extends AutoPlugin
{
override def requires = Q && !R
}
// This is an opt-in plugin with a requirement
// Unless explicitly loaded by the build user, this will not be activated.
object U extends AutoPlugin
{
override def requires = A && !Q
}
}