initial commit

Author: westernsam

.gitignore

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+.idea/
+target/
+project/target/

build.sbt

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+
+name := "Connect4"
+
+version := "0.1"
+
+scalaVersion := "2.12.8"
+
+resolvers += "jitpack" at "https://jitpack.io"
+
+libraryDependencies += "com.github.westernsam"         % "replrunner"              % "v0.0.1" % Test
+libraryDependencies += "org.scalatest"                 %% "scalatest"              % "3.0.0"  % Test

project/build.properties

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+sbt.version = 1.2.8

src/main/scala/play/canvas/AsciCanvas.scala

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+package play.canvas
+
+import java.io.{InputStream, OutputStream}
+
+import play.util.CommandLineApp
+
+class AsciCanvas(outputStream: OutputStream, inputStream: InputStream) extends CommandLineApp(outputStream, inputStream, "Ascii paint") {
+  override def processCommand(line: String): String = line
+}
+
+object AsciCanvas extends App {
+  new AsciCanvas(System.out, System.in).run()
+}

src/main/scala/play/echo/Echo.scala

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+package play.echo
+
+import java.io.{InputStream, OutputStream}
+
+import play.util.CommandLineApp
+
+class Echo(out: OutputStream, in: InputStream) extends CommandLineApp(out, in, "Echo") {
+  override def processCommand(line: String): String = line
+}

src/main/scala/play/util/CommandLineApp.scala

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+package play.util
+
+import java.io._
+
+abstract class CommandLineApp(outputStream: OutputStream, inputStream: InputStream, appName: String) extends Runnable {
+  val in = new BufferedReader(new InputStreamReader(inputStream))
+  val out = new BufferedWriter(new OutputStreamWriter(outputStream))
+
+  def processCommand(line: String): String
+
+  override def run(): Unit = {
+    out.write(s"Welcome to $appName!!!\n")
+    out.flush()
+
+    while (true) {
+      out.write("> ")
+      out.flush()
+
+      val line: String = in.readLine()
+      if (line == null || line == "Q") return
+
+      if (line != "") {
+        val message = processCommand(line)
+        out.write(message)
+        out.write("\n")
+        out.flush()
+      }
+    }
+  }
+}

src/test/scala/play/canvas/AsciiPaintSpec.scala

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+package play.canvas
+
+import github.westernsam.repltest.ReplRunner
+import org.scalatest.FunSuite
+
+class AsciiPaintSpec extends FunSuite {
+
+  val runner: ReplRunner = new ReplRunner(">", true, (out, in) => new AsciCanvas(out, in)).start()
+
+  test("Start a canvas") {
+    runner
+      .enter("C 4",
+        " ----",
+        "|    |",
+        "|    |",
+        "|    |",
+        "|    |",
+        " ----")
+  }
+
+}

src/test/scala/play/echo/EchoSpec.scala

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+package play.echo
+
+import github.westernsam.repltest.ReplRunner
+import org.scalatest.FunSuite
+import play.echo.Echo
+
+class EchoSpec extends FunSuite {
+
+  val runner: ReplRunner = new ReplRunner(">", true, (out, in) => new Echo(out, in)).start()
+
+  test("Echos") {
+    runner
+      .enter("hello", "hello")
+      .enter("boo", "boo")
+  }
+
+}