Implement RRAPI prevention test

Summary: Implement RRAPI prevention test for CoreKit_Basics.

Reviewed By: ryantobinmeta

Differential Revision: D57597444

fbshipit-source-id: cc9320a029b9bbbb3e15b20a299c9f3b703ed121

FBSDKCoreKit_Basics/FBSDKCoreKit_BasicsTests/PrivacyManifestTests.swift

@@ -11,9 +11,20 @@
 import XCTest
 
 final class PrivacyManifestTests: XCTestCase {
-  func testTrackingDomains() {
+  var manifestUrl: URL?
+
+  override func setUp() {
+    super.setUp()
     let bundle = Bundle(for: BasicUtility.self)
-    let manifestUrl = bundle.url(forResource: "PrivacyInfo", withExtension: "xcprivacy")
+    manifestUrl = bundle.url(forResource: "PrivacyInfo", withExtension: "xcprivacy")
+  }
+
+  override func tearDown() {
+    manifestUrl = nil
+    super.tearDown()
+  }
+
+  func testTrackingDomains() {
     guard let manifestUrl else {
       return XCTFail("Could not find Privacy Manifest file")
     }
@@ -22,4 +33,35 @@ final class PrivacyManifestTests: XCTestCase {
       XCTFail("Should not contain tracking domains")
     }
   }
+
+  func testRequiredReasonAPIs() {
+    guard let manifestUrl else {
+      return XCTFail("Could not find Privacy Manifest file")
+    }
+    let manifest = NSDictionary(contentsOf: manifestUrl)
+    guard let rrAPIs = manifest?["NSPrivacyAccessedAPITypes"] as? NSArray else {
+      return XCTFail("Could not find Privacy Accessed API Types")
+    }
+    XCTAssertTrue(rrAPIs.count == 1, "Should only expect to have one API in the Privacy Manifest file")
+    guard let rrAPIDict = rrAPIs[0] as? NSDictionary else {
+      return XCTFail("Could not find items in Privacy Accessed API Types")
+    }
+
+    XCTAssertEqual(
+      rrAPIDict["NSPrivacyAccessedAPIType"] as? String,
+      "NSPrivacyAccessedAPICategoryUserDefaults",
+      "Should match UserDefaults category"
+    )
+    guard let reasons = rrAPIDict["NSPrivacyAccessedAPITypeReasons"] as? NSArray else {
+      return XCTFail("Could not find Privacy Accessed API Reasons")
+    }
+    XCTAssertTrue(
+      reasons.count == 1,
+      """
+      Should only expect to have one reason for UserDefaults
+      in the Privacy Manifest file
+      """
+    )
+    XCTAssertEqual(reasons[0] as? String, "CA92.1", "Reason should match CA92.1")
+  }
 }