Add a spec to fill weather data from JSON.

Author: yoichitgy

SwinjectSimpleExampleTests/WeatherFetcherSpec.swift

@@ -9,20 +9,71 @@
 
 import Quick
 import Nimble
+import Swinject
 @testable import SwinjectSimpleExample
 
 class WeatherFetcherSpec: QuickSpec {
+    struct StubNetwork: Networking {    
+        private static let json =
+        "{" +
+            "\"list\": [" +
+                "{" +
+                    "\"id\": 2643743," +
+                    "\"name\": \"London\"," +
+                    "\"weather\": [" +
+                        "{" +
+                            "\"main\": \"Rain\"" +
+                        "}" +
+                    "]" +
+                "}," +
+                "{" +
+                    "\"id\": 3451190," +
+                    "\"name\": \"Rio de Janeiro\"," +
+                    "\"weather\": [" +
+                        "{" +
+                            "\"main\": \"Clear\"" +
+                        "}" +
+                    "]" +
+                "}" +
+            "]" +
+        "}"
+        
+        func request(response: NSData? -> ()) {
+            let data = StubNetwork.json.dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)
+            response(data)
+        }
+    }
+    
     override func spec() {
+        let container = Container()
+        container.register(Networking.self) { _ in Network() }
+        container.register(WeatherFetcher.self) { r in
+            WeatherFetcher(networking: r.resolve(Networking.self)!)
+        }
+        container.register(Networking.self, name: "stub") { _ in StubNetwork() }
+        container.register(WeatherFetcher.self, name: "stub") { r in
+            WeatherFetcher(networking: r.resolve(Networking.self, name: "stub")!)
+        }
+        
         it("returns cities.") {
             var cities: [City]?
-            let fetcher = WeatherFetcher(networking: Network())
+            let fetcher = container.resolve(WeatherFetcher.self)!
             fetcher.fetch { cities = $0 }
 
             expect(cities).toEventuallyNot(beNil())
-            expect(cities?.count).toEventually(equal(12))
-            expect(cities?[0].id).toEventually(equal(6077243))
-            expect(cities?[0].name).toEventually(equal("Montreal"))
-            expect(cities?[0].weather).toEventually(equal("Clouds"))
+            expect(cities?.count).toEventually(beGreaterThan(0))
+        }
+        it("fills weather data.") {
+            var cities: [City]?
+            let fetcher = container.resolve(WeatherFetcher.self, name: "stub")!
+            fetcher.fetch { cities = $0 }
+            
+            expect(cities?[0].id).toEventually(equal(2643743))
+            expect(cities?[0].name).toEventually(equal("London"))
+            expect(cities?[0].weather).toEventually(equal("Rain"))
+            expect(cities?[1].id).toEventually(equal(3451190))
+            expect(cities?[1].name).toEventually(equal("Rio de Janeiro"))
+            expect(cities?[1].weather).toEventually(equal("Clear"))
         }
     }
 }