Additional test using pagination problem model

Author: calvincestari

Tests/ApolloTests/SelectionSet_EqualityTests.swift

@@ -956,9 +956,7 @@ class SelectionSet_EqualityTests: XCTestCase {
 
   // MARK: - Integration Tests
 
-  func test__equatable__givenQueryResponseFetchedFromStore()
-  async throws
-  {
+  func test__equatable__givenQueryResponseFetchedFromStore() async throws {
     // given
     class GivenSelectionSet: MockSelectionSet {
       override class var __selections: [Selection] {
@@ -1024,4 +1022,113 @@ class SelectionSet_EqualityTests: XCTestCase {
     await fulfillment(of: [updateCompletedExpectation], timeout: 1.0)
   }
 
+  func test__equatable__givenFailingModelFromCI_sameValue_shouldBeEqual() throws {
+    // given
+    class ReverseFriendsQuery: MockSelectionSet {
+      override class var __selections: [Selection] { [
+        .field("hero", Hero?.self, arguments: ["id": .variable("id")])
+      ]}
+
+      var hero: Hero { __data["hero"] }
+
+      class Hero: MockSelectionSet {
+        override class var __selections: [Selection] {[
+          .field("__typename", String.self),
+          .field("id", String.self),
+          .field("name", String.self),
+          .field("friendsConnection", FriendsConnection.self, arguments: [
+            "first": .variable("first"),
+            "before": .variable("before"),
+          ]),
+        ]}
+
+        var name: String { __data["name"] }
+        var id: String { __data["id"] }
+        var friendsConnection: FriendsConnection { __data["friendsConnection"] }
+
+        class FriendsConnection: MockSelectionSet {
+          override class var __selections: [Selection] {[
+            .field("__typename", String.self),
+            .field("totalCount", Int.self),
+            .field("friends", [Character].self),
+            .field("pageInfo", PageInfo.self),
+          ]}
+
+          var totalCount: Int { __data["totalCount"] }
+          var friends: [Character] { __data["friends"] }
+          var pageInfo: PageInfo { __data["pageInfo"] }
+
+          class Character: MockSelectionSet {
+            override class var __selections: [Selection] {[
+              .field("__typename", String.self),
+              .field("name", String.self),
+              .field("id", String.self),
+            ]}
+
+            var name: String { __data["name"] }
+            var id: String { __data["id"] }
+          }
+
+          class PageInfo: MockSelectionSet {
+            override class var __selections: [Selection] {[
+              .field("__typename", String.self),
+              .field("startCursor", Optional<String>.self),
+              .field("hasPreviousPage", Bool.self),
+            ]}
+
+            var startCursor: String? { __data["startCursor"] }
+            var hasPreviousPage: Bool { __data["hasPreviousPage"] }
+          }
+        }
+      }
+    }
+
+    // when
+    let query = MockQuery<ReverseFriendsQuery>()
+    query.__variables = ["id": "2001", "first": 2, "before": "Y3Vyc29yMw=="]
+
+    let body: JSONObject = ["data": [
+      "hero": [
+        "__typename": "Droid",
+        "id": "2001",
+        "name": "R2-D2",
+        "friendsConnection": [
+          "__typename": "FriendsConnection",
+          "totalCount": 3,
+          "friends": [
+            [
+              "__typename": "Human",
+              "name": "Han Solo",
+              "id": "1002",
+            ],
+            [
+              "__typename": "Human",
+              "name": "Leia Organa",
+              "id": "1003",
+            ]
+          ],
+          "pageInfo": [
+            "__typename": "PageInfo",
+            "startCursor": "Y3Vyc29yMg==",
+            "hasPreviousPage": true
+          ]
+        ]
+      ]
+    ]]
+
+    let first = try GraphQLResponse(
+      operation: query,
+      body: body
+    ).parseResult().0.data
+
+    let second = try GraphQLResponse(
+      operation: query,
+      body: body
+    ).parseResult().0.data
+
+    // then
+    XCTAssertEqual(first, second)
+    expect(first).to(equal(second))
+  }
+
 }