Sandwich Tests Added

app/controllers/SandwichController.scala

@@ -0,0 +1,12 @@
+package controllers
+
+import com.google.inject.Inject
+import play.api.mvc.{Action, Controller}
+import services.SandwichService
+
+class SandwichController @Inject()(sandwichService: SandwichService) extends Controller{
+  def sandwiches() = Action {
+    val sandwiches = sandwichService.sandwiches
+    Ok(views.html.sandwiches(sandwiches))
+  }
+}

app/models/Sandwich.scala

@@ -0,0 +1,3 @@
+package models
+
+case class Sandwich(name: String, price: BigDecimal, description: String)

app/services/RealSandwichService.scala

@@ -0,0 +1,14 @@
+package services
+
+import com.google.inject.ImplementedBy
+import models.Sandwich
+
+class RealSandwichService extends SandwichService {
+  //just an empty list
+  override def sandwiches(): List[Sandwich] = List()
+}
+
+@ImplementedBy(classOf[RealSandwichService])
+trait SandwichService {
+  def sandwiches() : List[Sandwich]
+}

app/views/sandwiches.scala.html

@@ -0,0 +1,13 @@
+@(sandwiches: List[Sandwich])
+
+@main("Sandwiches") {
+    <h1>Have a look at today's sandwiches</h1>
+    @if(sandwiches.isEmpty) {
+        <p>Sorry, we're sold out</p>
+    } else {
+        <p>Please choose a sandwich</p>
+        @for(s <- sandwiches) {
+            <li>@s.name, @s.description, £@s.price</li>
+        }
+    }
+}

conf/routes

@@ -10,3 +10,4 @@ GET     /                           controllers.HomeController.index
 GET     /assets/*file               controllers.Assets.versioned(path="/public", file: Asset)
 
 GET     /welcome                    controllers.WelcomeController.welcome
+GET     /sandwiches                 controllers.SandwichController.sandwiches

test/controllers/SandwichControllerSpec.scala

@@ -0,0 +1,71 @@
+package controllers
+
+import models.Sandwich
+import org.scalatestplus.play.PlaySpec
+import org.scalatestplus.play.guice.GuiceOneAppPerTest
+import play.api.test.FakeRequest
+import play.api.test.Helpers.{status, _}
+import services.SandwichService
+
+class SandwichControllerSpec extends PlaySpec with GuiceOneAppPerTest {
+  "SandwichController" should {
+    "Have some basic information and be accessible at the correct route" in {
+      // Need to specify Host header to get through AllowedHostsFilter
+      val request = FakeRequest(GET, "/sandwiches").withHeaders("Host" -> "localhost")
+      val home = route(app, request).get
+
+      //sanitation
+      status(home) mustBe OK
+      contentType(home) mustBe Some("text/html")
+      contentAsString(home) must include("<title>Sandwiches</title>")
+      contentAsString(home) must include("<h1>Have a look at today's sandwiches</h1>")
+    }
+
+    "give a helpful message when sold out" in {
+      val controller = new SandwichController(FakeNoSandwichService)
+      val result = controller.sandwiches().apply(FakeRequest())
+      contentAsString(result) must include("<p>Sorry, we're sold out</p>")
+    }
+
+    "show a single sandwich when only one is available" in {
+      val controller = new SandwichController(FakeSingleSandwichService)
+      val result = controller.sandwiches().apply(FakeRequest())
+
+      contentAsString(result) must not include("<p>Sorry, we're sold out</p>")
+      contentAsString(result) must include ("Ham")
+      contentAsString(result) must include ("Very tasty")
+      contentAsString(result) must include ("£1.55")
+    }
+
+    "show multiple sandwiches when more than one is available" in {
+      val controller = new SandwichController(FakeMultiSandwichService)
+      val result = controller.sandwiches().apply(FakeRequest())
+
+      contentAsString(result) must not include("<p>Sorry, we're sold out</p>")
+      contentAsString(result) must include ("Ham")
+      contentAsString(result) must include ("Very tasty")
+      contentAsString(result) must include ("£1.55")
+      contentAsString(result) must include ("Cheese")
+      contentAsString(result) must include ("Cheese tastic")
+      contentAsString(result) must include ("£2.55")
+      contentAsString(result) must include ("Egg")
+      contentAsString(result) must include ("Fresh")
+      contentAsString(result) must include ("£1.15")
+    }
+  }
+}
+
+object FakeNoSandwichService extends SandwichService {
+  override def sandwiches(): List[Sandwich] = List()
+}
+
+object FakeSingleSandwichService extends SandwichService {
+  override def sandwiches(): List[Sandwich] = List(Sandwich("Ham", 1.55, "Very tasty"))
+}
+
+object FakeMultiSandwichService extends SandwichService {
+  val ham = Sandwich("Ham", 1.55, "Very tasty")
+  val cheese = Sandwich("Cheese", 2.55, "Cheese tastic")
+  val egg = Sandwich("Egg", 1.15, "Fresh")
+  override def sandwiches(): List[Sandwich] = List(ham, cheese, egg)
+}