func testCompletingAuthenticationWithMixedPermissionsWithExpectedChallenge()

in FBSDKLoginKit/FBSDKLoginKitTests/LoginManagerTests.swift [236:295]
56 lines of code
1 McCabe index (conditional complexity)

  func testCompletingAuthenticationWithMixedPermissionsWithExpectedChallenge() throws {
    var capturedResult: LoginManagerLoginResult?
    loginManager.setRequestedPermissions(["email", "user_friends"])
    loginManager.handler = { result, _ in
      capturedResult = result
    }

    _ = keychainStore.setString(
      challenge,
      forKey: "expected_login_challenge",
      accessibility: kSecAttrAccessibleAfterFirstUnlockThisDeviceOnly
    )

    let parameters = LoginCompletionParameters()
    parameters.accessTokenString = "accessTokenString"
    parameters.challenge = challenge
    parameters.authenticationTokenString = "sometoken"
    parameters.permissions = FBPermission.permissions(fromRawPermissions: ["public_profile"])
    parameters.declinedPermissions = FBPermission.permissions(fromRawPermissions: ["email", "user_friends"])
    parameters.userID = "123"

    loginManager.completeAuthentication(parameters, expectChallenge: true)

    let result = try XCTUnwrap(capturedResult)
    XCTAssertFalse(result.isCancelled)
    let tokenAfterAuth = try XCTUnwrap(TestAccessTokenWallet.currentAccessToken)
    XCTAssertEqual(
      tokenAfterAuth.tokenString,
      "accessTokenString"
    )
    XCTAssertEqual(
      tokenAfterAuth.userID,
      "123",
      "failed to parse userID"
    )
    XCTAssertEqual(
      tokenAfterAuth.permissions,
      ["public_profile"],
      "unexpected permissions"
    )
    XCTAssertEqual(
      result.grantedPermissions,
      ["public_profile"],
      "unexpected permissions"
    )
    let expectedDeclined = ["email", "user_friends"]
    XCTAssertEqual(
      tokenAfterAuth.declinedPermissions,
      Set(expectedDeclined.map(Permission.init)),
      "unexpected permissions"
    )
    XCTAssertEqual(
      result.declinedPermissions,
      Set(expectedDeclined),
      "unexpected permissions"
    )
    XCTAssertNil(result.authenticationToken)
    XCTAssertNil(keychainStore.keychainDictionary["expected_login_challenge"])
    XCTAssertTrue(keychainStore.wasStringForKeyCalled)
  }