API tests

Author: tib

Chapter 16/myProject/Package.swift

@@ -7,7 +7,7 @@ let package = Package(
        .macOS(.v12)
     ],
     products: [
-        
+        .library(name: "AppApi", targets: ["AppApi"]),
     ],
     dependencies: [
         .package(url: "https://github.com/vapor/vapor", from: "4.54.0"),
@@ -19,9 +19,7 @@ let package = Package(
         .package(url: "https://github.com/binarybirds/spec", from: "1.2.0"),
     ],
     targets: [
-        .target(name: "AppApi", dependencies: [
-            
-        ]),
+        .target(name: "AppApi", dependencies: []),
         .target(name: "App", dependencies: [
             .product(name: "Vapor", package: "vapor"),
             .product(name: "Fluent", package: "fluent"),
@@ -38,6 +36,9 @@ let package = Package(
             .target(name: "App"),
             .product(name: "XCTVapor", package: "vapor"),
             .product(name: "Spec", package: "spec"),
+        ]),
+        .testTarget(name: "AppApiTests", dependencies: [
+            .target(name: "AppApi"),
         ])
     ]
 )

Chapter 16/myProject/Sources/AppApi/Modules/User/UserAccount.swift

@@ -16,6 +16,16 @@ public extension User {
 
 public extension User.Account {
 
+    struct Login: Codable {
+        public let email: String
+        public let password: String
+        
+        public init(email: String, password: String) {
+            self.email = email
+            self.password = password
+        }
+    }
+    
     struct List: Codable {
         public let id: UUID
         public let email: String

Chapter 16/myProject/Tests/AppApiTests/AppApiTests.swift

@@ -0,0 +1,66 @@
+//
+//  File.swift
+//  
+//
+//  Created by Tibor Bodecs on 2022. 01. 09..
+//
+
+@testable import AppApi
+import XCTest
+
+final class AppApiTests: XCTestCase {
+    
+    enum HTTPError: Error {
+        case invalidResponse
+        case invalidStatusCode(Int)
+    }
+    
+    let baseUrl = URL(string: "http://localhost:8080/api/")!
+    
+    private func authenticate(_ login: User.Account.Login) async throws -> User.Token.Detail {
+        var req = URLRequest(url: baseUrl.appendingPathComponent("sign-in/"))
+        req.httpMethod = "POST"
+        req.addValue("application/json", forHTTPHeaderField: "Content-Type")
+        req.httpBody = try JSONEncoder().encode(login)
+
+        let (data, response) = try await URLSession.shared.data(for: req)
+        guard let response = response as? HTTPURLResponse else {
+            throw HTTPError.invalidResponse
+        }
+        guard 200...299 ~= response.statusCode else {
+            throw HTTPError.invalidStatusCode(response.statusCode)
+        }
+        return try JSONDecoder().decode(User.Token.Detail.self, from: data)
+    }
+    
+    private func authenticateRoot() async throws -> User.Token.Detail {
+        try await authenticate(.init(email: "root@localhost.com", password: "ChangeMe1"))
+    }
+    
+    func testAuthorization() async throws {
+        let login = User.Account.Login(email: "root@localhost.com", password: "ChangeMe1")
+        let token = try await authenticate(login)
+        XCTAssertEqual(token.value.count, 64)
+        XCTAssertEqual(token.user.email, login.email)
+    }
+    
+    func testBlogCategories() async throws {
+        let token = try await authenticateRoot()
+        
+        var req = URLRequest(url: baseUrl.appendingPathComponent("\(Blog.pathKey)/\(Blog.Category.pathKey)/"))
+        req.addValue("Bearer \(token.value)", forHTTPHeaderField: "Authorization")
+        
+        let (data, response) = try await URLSession.shared.data(for: req)
+        guard let response = response as? HTTPURLResponse else {
+            throw HTTPError.invalidResponse
+        }
+        print(response.statusCode)
+        guard 200...299 ~= response.statusCode else {
+            throw HTTPError.invalidStatusCode(response.statusCode)
+        }
+
+        let categories = try JSONDecoder().decode([Blog.Category.List].self, from: data)
+        XCTAssertFalse(categories.isEmpty)
+    }
+}
+