Implement RRAPI prevention test

Summary: Implement RRAPI prevention test for CoreKit.

Reviewed By: User9109348102340981

Differential Revision: D57597448

fbshipit-source-id: 240304e86a55aa5b6017ad89a8c84b11f1fbc99e

FBSDKCoreKit/FBSDKCoreKitTests/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: Settings.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")
     }
@@ -24,4 +35,35 @@ final class PrivacyManifestTests: XCTestCase {
     XCTAssertTrue(trackingDomains.count == 1)
     XCTAssertTrue(trackingDomains.contains("ep1.facebook.com"))
   }
+
+  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")
+  }
 }