Disable NSObject based tests on Linux

Tests/Nodes/ForNodeSpec.swift

@@ -33,6 +33,7 @@ func testForNode() {
       try expect(try node.render(any_context)) == "123" 
     }
 
+#if os(OSX)
     $0.it("renders a context variable of type NSArray") {
       let nsarray_context = Context(dictionary: [
         "items": NSArray(array: [1, 2, 3])
@@ -40,8 +41,9 @@ func testForNode() {
 
       let nodes: [NodeType] = [VariableNode(variable: "item")]
       let node = ForNode(variable: "items", loopVariable: "item", nodes: nodes, emptyNodes: [])
-      try expect(try node.render(nsarray_context)) == "123" 
+      try expect(try node.render(nsarray_context)) == "123"
     }
+#endif
 
     $0.it("renders the given nodes while providing if the item is first in the context") {
       let nodes: [NodeType] = [VariableNode(variable: "item"), VariableNode(variable: "forloop.first")]

Tests/Nodes/IfNodeSpec.swift

@@ -86,21 +86,21 @@ func testIfNode() {
       }
 
       $0.it("renders the truth when array expression is not empty") {
-        let items: Array<[String:AnyObject]> = [["key":"key1","value":42],["key":"key2","value":1337]]
+        let items: [[String: Any]] = [["key":"key1","value":42],["key":"key2","value":1337]]
         let arrayContext = Context(dictionary: ["items": [items]])
         let node = IfNode(variable: "items", trueNodes: [TextNode(text: "true")], falseNodes: [TextNode(text: "false")])
         try expect(try node.render(arrayContext)) == "true"
       }
 
       $0.it("renders the false when array expression is empty") {
-        let emptyItems = Array<[String:AnyObject]>()
+        let emptyItems = [[String: Any]]()
         let arrayContext = Context(dictionary: ["items": emptyItems])
         let node = IfNode(variable: "items", trueNodes: [TextNode(text: "true")], falseNodes: [TextNode(text: "false")])
         try expect(try node.render(arrayContext)) == "false"
       }
 
       $0.it("renders the false when dictionary expression is empty") {
-        let emptyItems = [String:AnyObject]()
+        let emptyItems = [String:Any]()
         let arrayContext = Context(dictionary: ["items": emptyItems])
         let node = IfNode(variable: "items", trueNodes: [TextNode(text: "true")], falseNodes: [TextNode(text: "false")])
         try expect(try node.render(arrayContext)) == "false"

Tests/VariableSpec.swift

@@ -3,9 +3,11 @@ import Spectre
 import Stencil
 
 
+#if os(OSX)
 @objc class Object : NSObject {
   let title = "Hello World"
 }
+#endif
 
 
 func testVariable() {
@@ -16,9 +18,12 @@ func testVariable() {
       "profiles": [
         "github": "kylef",
       ],
-      "object": Object(),
     ])
 
+#if os(OSX)
+    context.push(["object": Object()])
+#endif
+
     $0.it("can resolve a string literal with double quotes") {
       let variable = Variable("\"name\"")
       let result = try variable.resolve(context) as? String
@@ -61,10 +66,12 @@ func testVariable() {
       try expect(result) == "Carlton"
     }
 
+#if os(OSX)
     $0.it("can resolve a value via KVO") {
       let variable = Variable("object.title")
       let result = try variable.resolve(context) as? String
       try expect(result) == "Hello World"
     }
+#endif
   }
 }