Update README, tests

README.md

@@ -12,7 +12,7 @@ components.path = "some/api/path/"
 components.queryItems = params.map { URLQueryItem(name: $0.key, value: "\($0.value)")}
 ```
 
-- Auto infer name of param from simple field name
+- Auto infer name of param from field name, with default/snake_case or custom naming strategy
 - Nil and empty array will be remove automatically
 - Auto handle array of elements that conform to `CustomStringConvertible`
 - Auto expand nested params
@@ -83,3 +83,37 @@ print(serialized)
 
 // ["query": "search", "name": "tux"]
 ```
+
+### Naming strategy
+
+```swift
+struct ApiParam: ParamsContainer {
+
+    @Params
+    var thisShouldBeSnakeCase: Int = 0
+}
+
+let params = ApiParam()
+let config = ParamSerializer.Config(namingStrategy: SerializerNamingStrategy.convertToSnakeCase)
+let serialized = ParamSerializer(config: config).serialize(object: params)
+print(serialized)
+
+// ["this_should_be_snake_case": 0]
+```
+
+- Any custom naming strategy can be done by conforming to `NamingStrategy`
+
+```swift
+class UppercaseNamingStrategy: NamingStrategy {
+    public func name(from fieldName: String) -> String {
+        return fieldName.uppercased()
+    }
+}
+
+let params = ApiParam()
+let config = ParamSerializer.Config(namingStrategy: UppercaseNamingStrategy())
+let serialized = ParamSerializer(config: config).serialize(object: params)
+print(serialized)
+
+// ["THISSHOULDBESNAKECASE": 0]
+```

Tests/ParameterizeTests/ParameterizeTests.swift

@@ -64,6 +64,10 @@ final class ParameterizeTests: XCTestCase {
         XCTAssert(serialized.keys.contains("namingConvert"))
         XCTAssert(serialized.keys.contains("namingConvert1"))
         XCTAssert(serialized.keys.contains("NamingConvert2"))
+
+        serialized = ParamSerializer(config: .init(namingStrategy: UppercaseNamingStrategy()))
+            .serialize(object: params)
+        XCTAssert(serialized.keys.contains("NAMINGCONVERT"))
     }
 }
 
@@ -140,3 +144,9 @@ extension Date: ParamConvertible {
         ISO8601DateFormatter().string(from: self)
     }
 }
+
+class UppercaseNamingStrategy: NamingStrategy {
+    public func name(from fieldName: String) -> String {
+        return fieldName.uppercased()
+    }
+}