Questions tagged [validation]
Tags for questions related to validating data.
282 questions
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Proper place to validate JSON in an ASP.NET core app
I am building an ASP.NET Core 10.0 web-app using .NET's MVC model w/ Kestrel to serve it. The app will deploy on an Azure VM. It's a personal project, therefore, I decided to go with Cosmos DB as the ...
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When is multiple validation layers of protection necessary?
I'm having a hard time of understanding at what point is multiple layers of validation protection necessary rather than a single point of failure and if the performance hit is a concern
Lets say you ...
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13
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Should setters silently sanitize input — or should they just throw? [closed]
Suppose the code's inside some FullName class
And suppose I want only capitalized name elements (let's ignore the fact that in some cultures, name elements may start with a lower-case letter)
Should I ...
- 2,030
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557
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Combining multiple input validations into one exception
In order to make sure methods fail fast under invalid arguments, I usually do validation at the start of a method. If I'm verifying multiple predicates, this leads to a few lines of checkNotNull or ...
- 121
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Where to handle Validation Errors in Business logic layer?
I'm currently designing a multi-layered application and am trying to figure out the best practice for error handling within the Business Logic Layer (BLL).
Should I handle errors directly within the ...
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185
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Design a test framework for validating static files
I have a task to develop a test framework - or a test suite, if it makes more sense - that aims to validate properties over a large set of XML files.
Our codebase is basically like this:
JSON input ...
- 25
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2k
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Is validation part of presentation layer or business logic? [duplicate]
We're working on a new project (backend, API), following the "clean code" and "clean architecture" principles (described in Robert Martin's books), dividing our application into ...
- 139
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API design question: Should a builder perform expensive validation when building?
I'm working on a library of C++ wrappers/bindings, for another, C-ish, API.
The C'ish API has a "launch" function, which, among other things, takes a launch configuration structure (well, ...
- 2,808
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280
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Request validation on API proxy
I am creating an API proxy that acts as a bridge between our frontend application and an AWS opensearch server. This proxy has additional features such as retries and timeouts.
One of the features I'm ...
0
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1
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96
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Validating data and logic outside the domain
I have a budget entity in my domain which can be closed by the user if the budget is open. This means if the budget opens today and closes in seven days, in between this time I can close it, not ...
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How to ensure data consistency in system with multiple databases?
Let's say, in a rather big application suite with multiple more or less integrated products, data is stored across multiple databases. Some of them are SQL-ish DB clusters, some are MongoDB clusters.
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Centralize input validation across multiple Microservices
My company, which specializes in logistics and transportation, delegated the majority of the backend microservices to our team. All of the microservices (which our team inherited from "past ...
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70
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How to group together common allowed descendants of a vertex in a tree data data structure?
I created an abstract class to represent a vertex in a tree structure. Later, a requirement was introduced where certain types of vertices are not allowed as descendants of certain other vertices. So ...
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655
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Reduce Code Repetition for a Simple CQRS
We're currently exploring CQRS in our future applications. To give a bit of a background, we use a simple CRUD-style service before something like this.
Old Pattern:
Controller
Command/Service
Model
...
- 135
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245
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Wrapper class for min/max clamping and validation
I have a lot of classes that have numeric values that are configurable by the customer during runtime and should be clamped between a min and a maximum value. The value changes should also be logged. ...
- 151