✅ Add unit testing

Tests/HermesTests/HermesTests.swift

@@ -1,12 +1,61 @@
 import XCTest
 @testable import Hermes
 
-final class HermesTests: XCTestCase {
-    func testExample() throws {
-        // XCTest Documentation
-        // https://developer.apple.com/documentation/xctest
+struct SomeCodableStruct: Codable, Equatable {
+    let url: String
+    var data: String? = nil
+    var json: SomeCodableJsonStruct? = nil
+}
 
-        // Defining Test Cases and Test Methods
-        // https://developer.apple.com/documentation/xctest/defining_test_cases_and_test_methods
+struct SomeCodableJsonStruct: Codable, Equatable {
+    var test: String
+}
+
+final class HermesTests: XCTestCase {
+    func testResourceInitialization() {
+        let url = URL(string: "https://httpbin.org/get")!
+        let resource = Resource<SomeCodableStruct>(url: url, method: .get([]), modelType: SomeCodableStruct.self)
+
+        XCTAssertEqual(resource.url, url)
+        XCTAssertEqual(resource.method.name, "GET")
+        XCTAssert(resource.modelType == SomeCodableStruct.self)
+    }
+    
+    func testGetRequest() async throws {
+        let url = URL(string: "https://httpbin.org/get")!
+        let resource = Resource(url: url, method: .get([]), modelType: SomeCodableStruct.self)
+        
+        let response = try await Hermes().load(resource)
+        
+        XCTAssertNotNil(response)
+        XCTAssertEqual(response.url, "https://httpbin.org/get")
+        XCTAssertNil(response.data)
+        XCTAssertNil(response.json)
+    }
+    
+    func testPostRequest() async throws {
+        let postDatas = ["test": "test"]
+        
+        let url = URL(string: "https://httpbin.org/post")!
+        let resource = try Resource(url: url, method: .post(JSONEncoder().encode(postDatas)), modelType: SomeCodableStruct.self)
+        
+        let response = try await Hermes().load(resource)
+        
+        XCTAssertNotNil(response)
+        XCTAssertEqual(response.url, "https://httpbin.org/post")
+        XCTAssertEqual(response.data, "{\"test\":\"test\"}")
+        XCTAssert(response.json == SomeCodableJsonStruct(test: "test"))
+    }
+    
+    func testDeleteRequest() async throws {
+        let url = URL(string: "https://httpbin.org/delete")!
+        let resource = Resource(url: url, method: .delete, modelType: SomeCodableStruct.self)
+        
+        let response = try await Hermes().load(resource)
+        
+        XCTAssertNotNil(response)
+        XCTAssertEqual(response.url, "https://httpbin.org/delete")
+        XCTAssertEqual(response.data, "")
+        XCTAssertNil(response.json)
     }
 }