Scala : add streams assignment

1 files changed, 67 insertions, 0 deletions

diff --git a/Scala/streams/src/test/scala/streams/BloxorzSuite.scala b/Scala/streams/src/test/scala/streams/BloxorzSuite.scala
new file mode 100644
index 0000000..3f9329b
--- /dev/null
+++ b/Scala/streams/src/test/scala/streams/BloxorzSuite.scala
@@ -0,0 +1,67 @@
+package streams
+
+import org.scalatest.FunSuite
+
+import org.junit.runner.RunWith
+import org.scalatest.junit.JUnitRunner
+
+import Bloxorz._
+
+@RunWith(classOf[JUnitRunner])
+class BloxorzSuite extends FunSuite {
+
+  trait SolutionChecker extends GameDef with Solver with StringParserTerrain {
+    /**
+     * This method applies a list of moves `ls` to the block at position
+     * `startPos`. This can be used to verify if a certain list of moves
+     * is a valid solution, i.e. leads to the goal.
+     */
+    def solve(ls: List[Move]): Block =
+      ls.foldLeft(startBlock) { case (block, move) => move match {
+        case Left => block.left
+        case Right => block.right
+        case Up => block.up
+        case Down => block.down
+      }
+    }
+  }
+
+  trait Level1 extends SolutionChecker {
+      /* terrain for level 1*/
+
+    val level =
+    """ooo-------
+      |oSoooo----
+      |ooooooooo-
+      |-ooooooooo
+      |-----ooToo
+      |------ooo-""".stripMargin
+
+    val optsolution = List(Right, Right, Down, Right, Right, Right, Down)
+  }
+
+  test("terrain function level 1") {
+    new Level1 {
+      assert(terrain(Pos(0,0)), "0,0")
+      assert(!terrain(Pos(4,11)), "4,11")
+    }
+  }
+
+  test("findChar level 1") {
+    new Level1 {
+      assert(startPos == Pos(1,1))
+    }
+  }
+
+  test("optimal solution for level 1") {
+    new Level1 {
+      assert(solve(solution) == Block(goal, goal))
+    }
+  }
+
+  test("optimal solution length for level 1") {
+    new Level1 {
+      assert(solution.length == optsolution.length)
+    }
+  }
+}