feat: add rules attribute for Instance entity

MastodonSDK.xctestplan

@@ -47,6 +47,18 @@
           }
         ]
       }
+    },
+    {
+      "id" : "C229D9A6-6A83-4AF9-8A71-ADD1AD2AD9D8",
+      "name" : "mastodon.online",
+      "options" : {
+        "environmentVariableEntries" : [
+          {
+            "key" : "domain",
+            "value" : "mastodon.online"
+          }
+        ]
+      }
     }
   ],
   "defaultOptions" : {
@@ -54,8 +66,18 @@
   },
   "testTargets" : [
     {
+      "skippedTests" : [
+        "MastodonSDKTests\/testCreateAnAnpplication()",
+        "MastodonSDKTests\/testHomeTimeline()",
+        "MastodonSDKTests\/testOAuthAuthorize()",
+        "MastodonSDKTests\/testRetrieveAccountInfo()",
+        "MastodonSDKTests\/testRevokeToken()",
+        "MastodonSDKTests\/testUpdateCredentials()",
+        "MastodonSDKTests\/testVerifyAppCredentials()",
+        "MastodonSDKTests\/testVerifyCredentials()"
+      ],
       "target" : {
-        "containerPath" : "container:",
+        "containerPath" : "container:MastodonSDK",
         "identifier" : "MastodonSDKTests",
         "name" : "MastodonSDKTests"
       }

MastodonSDK/Sources/MastodonSDK/Entity/Mastodon+Entity+Instance.swift

@@ -13,7 +13,7 @@ extension Mastodon.Entity {
     /// - Since: 1.1.0
     /// - Version: 3.3.0
     /// # Last Update
-    ///   2021/2/5
+    ///   2021/2/22
     /// # Reference
     ///  [Document](https://docs.joinmastodon.org/entities/instance/)
     public struct Instance: Codable {
@@ -33,6 +33,7 @@ extension Mastodon.Entity {
         
         public let thumbnail: String?
         public let contactAccount: Account?
+        public let rules: [Rule]?
 
         enum CodingKeys: String, CodingKey {
             case uri
@@ -48,8 +49,9 @@ extension Mastodon.Entity {
             case urls
             case statistics
             
-            case thumbnail = "thumbnail"
+            case thumbnail
             case contactAccount = "contact_account"
+            case rules
         }
     }
 }
@@ -77,3 +79,10 @@ extension Mastodon.Entity.Instance {
         }
     }
 }
+
+extension Mastodon.Entity.Instance {
+    public struct Rule: Codable {
+        public let id: String
+        public let text: String
+    }
+}

MastodonSDK/Tests/MastodonSDKTests/API/MastodonSDK+API+Instance.swift

@@ -38,4 +38,36 @@ extension MastodonSDKTests {
         wait(for: [theExpectation], timeout: 10.0)
     }
     
+    func testInstanceRules() throws {
+        switch domain {
+        case "mastodon.online":     break
+        default:                    return
+        }
+        
+        try _testInstanceRules(domain: domain)
+    }
+    
+    func _testInstanceRules(domain: String) throws {
+        let theExpectation = expectation(description: "Fetch Instance Infomation")
+                
+        Mastodon.API.Instance.instance(session: session, domain: domain)
+            .receive(on: DispatchQueue.main)
+            .sink { completion in
+                switch completion {
+                case .failure(let error):
+                    XCTFail(error.localizedDescription)
+                case .finished:
+                    break
+                }
+            } receiveValue: { response in
+                XCTAssertNotEqual(response.value.uri, "")
+                XCTAssert(!(response.value.rules ?? []).isEmpty)
+                print(response.value.rules?.sorted(by: { $0.id < $1.id }) ?? "")
+                theExpectation.fulfill()
+            }
+            .store(in: &disposeBag)
+
+        wait(for: [theExpectation], timeout: 10.0)
+    }
+
 }