Merge pull request #13 from iWECon/uiview-support

support resolve UIView/other not json data

Sources/Lookup/Lookup.swift

@@ -240,13 +240,34 @@ public struct Lookup: Swift.CustomStringConvertible, Swift.CustomDebugStringConv
  }
  }
 
- private func castValueToString(value: Any) -> String {
- if let data = try? JSONSerialization.data(withJSONObject: value, options: .prettyPrinted),
+ private func jsonToPrettyString(value: Any) -> String? {
+ if JSONSerialization.isValidJSONObject(value),
+ let data = try? JSONSerialization.data(withJSONObject: value, options: .prettyPrinted),
  let str = String(data: data, encoding: .utf8)
  {
  return str
  }
- return "Can not cast value to string"
+ return nil
+ }
+
+ private func castValueToString(value: Any) -> String {
+ if let str = jsonToPrettyString(value: value) {
+ return str
+ }
+ // map to string
+ switch value {
+ case let dict as Dictionary<String, Any>:
+ let strDict = Dictionary(uniqueKeysWithValues: dict.map { (key: String, value: Any) in
+ (key, "\(value)")
+ })
+ return jsonToPrettyString(value: strDict) ?? "\(strDict)"
+
+ case let arr as [Any]:
+ return jsonToPrettyString(value: arr) ?? "\(arr)"
+
+ default:
+ return "\(value)"
+ }
  }
 
  public var description: String {

Tests/LookupTests/LookupTests.swift

@@ -1,6 +1,9 @@
 import XCTest
 @testable import Lookup
 import Foundation
+#if os(iOS)
+import UIKit
+#endif
 
 enum AnimalType {
  case dog, cat
@@ -244,7 +247,19 @@ final class LookupTests: XCTestCase {
  lookup["age"] = "8"
  XCTAssertEqual(lookup.age.int, 8)
  }
-
  try codable()
+
+ #if os(iOS)
+ func uiView() throws {
+ let view = UIView()
+ let lookup = Lookup(["view": view])
+ XCTAssertEqual(lookup.description, """
+{
+ "view" : "\(view)"
+}
+""")
+ }
+ try uiView()
+ #endif
  }
 }