Make setup of unit tests easier

src/main/scala/com/greencatsoft/angularjs/Angular.scala

@@ -17,6 +17,8 @@ object Angular {
   def apply(name: String): Option[Module] =
     angular.module(name).toOption.map(new Module(_))
 
+  def bootstrap(element: Element, modules: String*): Injector = angular.bootstrap(element, modules.toJSArray)
+
   def injector: Injector = angular.injector()
 
   def injector(modules: String*): Injector = angular.injector(modules.toJSArray)

src/main/scala/com/greencatsoft/angularjs/internal/Angular.scala

@@ -15,6 +15,8 @@ import scala.scalajs.js.{ UndefOr, | }
 @js.native
 private[angularjs] trait Angular extends js.Object {
 
+  def bootstrap(element: Element, modules: js.Array[String]): Injector = js.native
+
   def injector(): Injector = js.native
 
   def injector(modules: js.Array[String]): Injector = js.native

src/main/scala/com/greencatsoft/angularjs/test/AngularMocks.scala

@@ -0,0 +1,17 @@
+package com.greencatsoft.angularjs.test
+
+import com.greencatsoft.angularjs.core.Timeout
+import com.greencatsoft.angularjs.injectable
+
+import scala.scalajs.js
+
+object AngularMocks {
+  val ModuleName = "ngMock"
+
+  @js.native
+  @injectable("$timeout")
+  trait TimeoutMock extends Timeout {
+
+    def flush(): Unit = js.native
+  }
+}

src/main/scala/com/greencatsoft/angularjs/test/AngularTestEnvironment.scala

@@ -0,0 +1,56 @@
+package com.greencatsoft.angularjs.test
+
+import com.greencatsoft.angularjs.core.Injector
+import com.greencatsoft.angularjs.{Angular, Module, internal}
+import org.scalajs.dom.document
+
+import scala.language.experimental.macros
+
+/** Provides an injector for your test suites.
+  *
+  * Setup for example like this:
+  * {{{
+  *   class MyDirectiveSpec extends FunSpec with AngularTestEnvironment with ScopeOps with MustMatchers {
+  *       override val module = Angular.module("app", Seq("ngAnimate", "ngMaterial")).directive[MyDirective]
+  *       override val moduleName = "app"
+  *
+  *       describe("MyDirective") {
+  *         it("must render") {
+  *           val scope = inject[RootScope].$new(true)
+  *           scope.dynamic.greeting = "Hello World!"
+  *
+  *           val tag = """<my-directive greeting="{{greeting}}"></my-directive>"""
+  *           val element = inject[Compile](tag)(scope, null)
+  *           scope.$digest()
+  *
+  *           element.textContent must be ("Hello World!")
+  *         }
+  *       }
+  *   }
+  * }}}
+  */
+trait AngularTestEnvironment {
+  /** Your angular module to be used during the test.
+    *
+    * For example {{{Angular.module("app", Seq("ngAnimate", "ngMaterial")).directive[MyDirective]}}}
+    */
+  val module: Module
+
+  /** The name of your application module */
+  val moduleName: String
+
+  /** Injector you can use in your tests to access services.
+    *
+    * You may want to use the `inject[A]` method for more readable code.
+    */
+  implicit lazy val injector: Injector = {
+    val rootElement = document.documentElement
+    Angular.bootstrap(rootElement, moduleName)
+  }
+
+  /** Provides readable access to angular services.
+    *
+    * Example: {{{inject[RootScope].$new(true)}}}
+    */
+  def inject[A](implicit injector: Injector): A = macro internal.Injector.get[A]
+}