// SPDX-License-Identifier: Apache-2.0

package firrtlTests

import firrtl._
import org.scalatest.freespec.AnyFreeSpec
import org.scalatest.matchers.should.Matchers

class ExecutionOptionsManagerSpec extends AnyFreeSpec with Matchers {
  "ExecutionOptionsManager is a container for one more more ComposableOptions Block" - {
    "It has a default CommonOptionsBlock" in {
      val manager = new ExecutionOptionsManager("test")
      manager.topName should be("")
      manager.targetDirName should be(".")
      manager.commonOptions.topName should be("")
      manager.commonOptions.targetDirName should be(".")
    }
    "But can override defaults like this" in {
      val manager = new ExecutionOptionsManager("test") {
        commonOptions = CommonOptions(topName = "dog", targetDirName = "a/b/c")
      }
      manager.commonOptions shouldBe a[CommonOptions]
      manager.topName should be("dog")
      manager.targetDirName should be("a/b/c")
      manager.commonOptions.topName should be("dog")
      manager.commonOptions.targetDirName should be("a/b/c")
    }
    "The add method should put a new version of a given type the manager" in {
      val manager = new ExecutionOptionsManager("test") {
        commonOptions = CommonOptions(topName = "dog", targetDirName = "a/b/c")
      }
      val initialCommon = manager.commonOptions
      initialCommon.topName should be("dog")
      initialCommon.targetDirName should be("a/b/c")

      manager.commonOptions = CommonOptions(topName = "cat", targetDirName = "d/e/f")

      val afterCommon = manager.commonOptions
      afterCommon.topName should be("cat")
      afterCommon.targetDirName should be("d/e/f")
      initialCommon.topName should be("dog")
      initialCommon.targetDirName should be("a/b/c")
    }
    "multiple composable blocks should be separable" in {
      val manager = new ExecutionOptionsManager("test") with HasFirrtlOptions {
        commonOptions = CommonOptions(topName = "spoon")
        firrtlOptions = FirrtlExecutionOptions(inputFileNameOverride = "fork")
      }

      manager.firrtlOptions.inputFileNameOverride should be("fork")
      manager.commonOptions.topName should be("spoon")
    }
  }
}