add support for testing sign up

Author: rahafjrw

Sources/App/Controllers/Manage/SignupController.swift

@@ -1,4 +1,5 @@
 import Fluent
+import Dependencies
 import Plot
 import Vapor
 import SotoCognitoAuthentication
@@ -13,13 +14,14 @@ enum SignupController {
 
     @Sendable
     static func signup(req: Request) async throws -> HTML {
+        @Dependency(\.cognito) var cognito
         struct UserCreds: Content {
             var email: String
             var password: String
         }
         do {
             let user = try req.content.decode(UserCreds.self)
-            try await Cognito.signup(req: req, username: user.email, password: user.password)
+            try await cognito.signup(req: req, username: user.email, password: user.password)
             return Verify.View(path: SiteURL.verify.relativeURL(), model: Verify.Model(email: user.email)).document()
         } catch let error as AWSErrorType {
             let model = Signup.Model(errorMessage: error.message ?? "There was an error.")

Sources/App/Core/Dependencies/CognitoClient.swift

@@ -19,12 +19,14 @@ import Vapor
 @DependencyClient
 struct CognitoClient {
     var authenticate: @Sendable (_ req: Request, _ username: String, _ password: String) async throws -> Void
+    var signup: @Sendable (_ req: Request, _ username: String, _ password: String) async throws -> Void
 }
 
 extension CognitoClient: DependencyKey {
     static var liveValue: CognitoClient {
         .init(
-            authenticate: { req, username, password in try await Cognito.authenticate(req: req, username: username, password: password) }
+            authenticate: { req, username, password in try await Cognito.authenticate(req: req, username: username, password: password) },
+            signup : { req, username, password in try await Cognito.signup(req: req, username: username, password: password) }
         )
     }
 }