Add validatedCurrentConfiguration() that checks for SDK initialization.

Author: nlutsenko

Sources/ParseLiveQuery.xcodeproj/project.pbxproj

@@ -7,6 +7,8 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		0632EDD41CA1A6DB00DD3CB8 /* Parse+LiveQuery.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0632EDD31CA1A6DB00DD3CB8 /* Parse+LiveQuery.swift */; };
+		0632EDD51CA1A6DB00DD3CB8 /* Parse+LiveQuery.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0632EDD31CA1A6DB00DD3CB8 /* Parse+LiveQuery.swift */; };
 		629DC3BE90DA87A7857677D2 /* Pods_ParseLiveQuery_iOS.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = BE2643D85A7565FC20EE144C /* Pods_ParseLiveQuery_iOS.framework */; };
 		DE7126BDB27E5DDB1C21490A /* Pods_ParseLiveQuery_OSX.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = AF5A55E51D52E372CD28FF08 /* Pods_ParseLiveQuery_OSX.framework */; };
 		F534A5B21BDAFE0200CBD11A /* Subscription.swift in Sources */ = {isa = PBXBuildFile; fileRef = F534A5B11BDAFE0200CBD11A /* Subscription.swift */; };
@@ -30,6 +32,7 @@
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
+		0632EDD31CA1A6DB00DD3CB8 /* Parse+LiveQuery.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "Parse+LiveQuery.swift"; sourceTree = "<group>"; };
 		11F6DFE2732DB0DE49976BA5 /* Pods-ParseLiveQuery OSX.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-ParseLiveQuery OSX.release.xcconfig"; path = "../Pods/Target Support Files/Pods-ParseLiveQuery OSX/Pods-ParseLiveQuery OSX.release.xcconfig"; sourceTree = "<group>"; };
 		6062D7994653A4F07D1358B9 /* Pods-ParseLiveQuery iOS.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-ParseLiveQuery iOS.debug.xcconfig"; path = "../Pods/Target Support Files/Pods-ParseLiveQuery iOS/Pods-ParseLiveQuery iOS.debug.xcconfig"; sourceTree = "<group>"; };
 		7A40A16386D0D6B38F8B2F07 /* Pods-ParseLiveQuery-iOS.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-ParseLiveQuery-iOS.release.xcconfig"; path = "../Pods/Target Support Files/Pods-ParseLiveQuery-iOS/Pods-ParseLiveQuery-iOS.release.xcconfig"; sourceTree = "<group>"; };
@@ -128,6 +131,7 @@
 				F534A5B11BDAFE0200CBD11A /* Subscription.swift */,
 				F54D58B51C8E33D9009F8D6C /* ObjCCompat.swift */,
 				F59CA92E1C8E496200329737 /* Errors.swift */,
+				0632EDD31CA1A6DB00DD3CB8 /* Parse+LiveQuery.swift */,
 				F5A88F491C9B6EBA002F0E0D /* PFQuery+Subscribe.swift */,
 			);
 			path = ParseLiveQuery;
@@ -324,6 +328,7 @@
 			files = (
 				F54D58B81C8E3446009F8D6C /* ClientPrivate.swift in Sources */,
 				F5D965351BD99DA200C3AAFC /* Client.swift in Sources */,
+				0632EDD51CA1A6DB00DD3CB8 /* Parse+LiveQuery.swift in Sources */,
 				F54D58B61C8E33D9009F8D6C /* ObjCCompat.swift in Sources */,
 				F54D58BA1C8E345F009F8D6C /* BoltsHelpers.swift in Sources */,
 				F5D965381BD99DA200C3AAFC /* QueryEncoder.swift in Sources */,
@@ -340,6 +345,7 @@
 			files = (
 				F5A88F541C9B7341002F0E0D /* ObjCCompat.swift in Sources */,
 				F5A88F531C9B7341002F0E0D /* Subscription.swift in Sources */,
+				0632EDD41CA1A6DB00DD3CB8 /* Parse+LiveQuery.swift in Sources */,
 				F5A88F511C9B7341002F0E0D /* BoltsHelpers.swift in Sources */,
 				F5A88F501C9B7341002F0E0D /* ClientPrivate.swift in Sources */,
 				F5A88F551C9B7341002F0E0D /* Errors.swift in Sources */,

Sources/ParseLiveQuery/Client.swift

@@ -33,11 +33,10 @@ public class Client: NSObject {
     internal let queue = dispatch_queue_create("com.parse.livequery", DISPATCH_QUEUE_SERIAL)
 
     /**
-     Creates a Client which automatically attempts to connect to the custom parse-server URL set
-     in Parse.currentConfiguration
+     Creates a Client which automatically attempts to connect to the custom parse-server URL set in Parse.currentConfiguration().
      */
     public override convenience init() {
-        self.init(server: Parse.currentConfiguration().server)
+        self.init(server: Parse.validatedCurrentConfiguration().server)
     }
 
     /**
@@ -61,8 +60,8 @@ public class Client: NSObject {
             return RequestId(value: currentRequestId)
         }
 
-        self.applicationId = applicationId ?? Parse.currentConfiguration().applicationId!
-        self.clientKey = clientKey ?? Parse.currentConfiguration().clientKey
+        self.applicationId = applicationId ?? Parse.validatedCurrentConfiguration().applicationId!
+        self.clientKey = clientKey ?? Parse.validatedCurrentConfiguration().clientKey
 
         self.host = components.URL!
     }
@@ -94,7 +93,7 @@ extension Client {
             dispatch_sync(storage.queue) {
                 client = storage.client
                 if client == nil {
-                    let configuration = Parse.currentConfiguration()
+                    let configuration = Parse.validatedCurrentConfiguration()
                     client = Client(
                         server: configuration.server,
                         applicationId: configuration.applicationId,

Sources/ParseLiveQuery/Parse+LiveQuery.swift

@@ -0,0 +1,19 @@
+/**
+ * Copyright (c) 2016-present, Parse, LLC.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+import Parse
+
+extension Parse {
+    static func validatedCurrentConfiguration() -> ParseClientConfiguration {
+        let configuration = Parse.currentConfiguration()
+        assert(configuration != nil,
+            "Parse SDK is not initialized. Call Parse.initializeWithConfiguration() before loading live query client.")
+        return configuration!
+    }
+}