Tests/Clients/AmiiboClientTests.swift

@@ -15,10 +15,10 @@ final class AmiiboClientTests: XCTestCase {
         
         return configuration
     }()
+    private let makeURLRequest = MakeURLRequestUseCase()
+    private let endpoint = TestEndpoint()
     
     private var client: AmiiboClient!
-    private var request: MockURLRequest!
-    private var response: MockURLResponse!
     
     // MARK: Setup
     
@@ -32,11 +32,114 @@ final class AmiiboClientTests: XCTestCase {
     
     // MARK: Tests
     
-    func test_withSomething() async throws {
+    func test_request_withEndpointAndModel_whenDataDoesMatchModel() async throws {
         // GIVEN
+        let url = try XCTUnwrap(try makeURLRequest(endpoint: endpoint).url)
+        
+        MockURLProtocol.mockData[.init(url: url)] = .init(
+            status: .ok,
+            data: .Seed.dataWithoutTimestamp
+        )
+
         // WHEN
+        let model = try await client.request(
+            endpoint: endpoint,
+            as: TestModel.self
+        )
+        
         // THEN
-        XCTFail("Not implemented yet")
+        XCTAssertNotNil(model)
+        XCTAssertNil(model.timestamp)
+    }
+    
+    func test_request_withEndpointAndModel_whenDataDoesMatchModel_andDateDecodingStrategy() async throws {
+        // GIVEN
+        let url = try XCTUnwrap(try makeURLRequest(endpoint: endpoint).url)
+        
+        MockURLProtocol.mockData[.init(url: url)] = .init(
+            status: .ok,
+            data: .Seed.dataWithDateAndTime
+        )
+        
+        client.setDateDecodingStrategy(.formatted(.dateAndTime))
+
+        // WHEN
+        let model = try await client.request(
+            endpoint: endpoint,
+            as: TestModel.self
+        )
+        
+        // THEN
+        XCTAssertNotNil(model)
+        XCTAssertNotNil(model.timestamp)
+    }
+    
+    func test_request_withEndpointAndModel_whenDataDoesNotMatchModel() async throws {
+        // GIVEN
+        let url = try XCTUnwrap(try makeURLRequest(endpoint: endpoint).url)
+        
+        MockURLProtocol.mockData[.init(url: url)] = .init(
+            status: .ok,
+            data: .Seed.dataUnrelated
+        )
+
+        // WHEN & THEN
+        do {
+            let _ = try await client.request(
+                endpoint: endpoint,
+                as: TestModel.self
+            )
+        } catch is DecodingError {
+            XCTAssertTrue(true)
+        } catch {
+            XCTAssertTrue(false)
+        }
+    }
+    
+    func test_request_withEndpointAndModel_whenDateDecodingStrategyNotCorrectlySet() async throws {
+        // GIVEN
+        let url = try XCTUnwrap(try makeURLRequest(endpoint: endpoint).url)
+        
+        MockURLProtocol.mockData[.init(url: url)] = .init(
+            status: .ok,
+            data: .Seed.dataWithDateAndTime
+        )
+        
+        client.setDateDecodingStrategy(.formatted(.dateOnly))
+
+        // WHEN & THEN
+        do {
+            let _ = try await client.request(
+                endpoint: endpoint,
+                as: TestModel.self
+            )
+        } catch is DecodingError {
+            XCTAssertTrue(true)
+        } catch {
+            XCTAssertTrue(false)
+        }
+    }
+    
+    func test_request_withEndpointAndModel_whenResponseCodeIsNotOK() async throws {
+        // GIVEN
+        let url = try XCTUnwrap(try makeURLRequest(endpoint: endpoint).url)
+        
+        MockURLProtocol.mockData[.init(url: url)] = .init(
+            status: .notFound,
+            data: .Seed.dataWithoutTimestamp
+        )
+
+        // WHEN & THEN
+        do {
+            let _ = try await client.request(
+                endpoint: endpoint,
+                as: TestModel.self
+            )
+        } catch is AmiiboClientError {
+            XCTAssertTrue(true)
+        } catch {
+            XCTAssertTrue(false)
+        }
     }
 
 }

Tests/Helpers/Data+Seed.swift

@@ -0,0 +1,10 @@
+import Foundation
+
+extension Data {
+    enum Seed {
+        static let dataUnrelated = "{\"something\":\"Something goes in here...\"}".data(using: .utf8)
+        static let dataWithoutTimestamp = "{\"timestamp\":null}".data(using: .utf8)
+        static let dataWithDateOnly = "{\"timestamp\":\"2023-03-23\"}".data(using: .utf8)
+        static let dataWithDateAndTime = "{\"timestamp\":\"2023-03-23T13:11:20.382254\"}".data(using: .utf8)
+    }
+}

Tests/Helpers/MockURLRequest+Init.swift

@@ -0,0 +1,12 @@
+import Communications
+import Foundation
+
+extension MockURLRequest {
+    
+    // MARK: Initialisers
+    
+    init(url: URL) {
+        self.init(method: .get, url: url)
+    }
+
+}

Tests/Helpers/TestEndpoint.swift

@@ -0,0 +1,17 @@
+import Communications
+import Foundation
+
+struct TestEndpoint: Endpoint {
+    
+    // MARK: Properties
+    
+    let scheme: String = "http"
+    let host: String = "www.something.com"
+    let port: Int? = nil
+    let path: String = "/path/to/endpoint"
+    let parameters: Parameters = [:]
+    let method: HTTPRequestMethod = .get
+    let headers: [String : String] = [:]
+    let body: Data? = nil
+
+}

Tests/Helpers/TestModel.swift

@@ -0,0 +1,5 @@
+import Foundation
+
+struct TestModel: Decodable {
+    let timestamp: Date?
+}