Foq is a lightweight thread-safe mocking library for F#, C# & VB.Net.
Foq is a lightweight thread-safe mocking library for F#, C# & VB.Net.
Questions tagged [foq]
12 questions
6
votes
1 answer
Mocking a class with an explicitly implemented interface using Foq
I wanted to mock an entityframwork DbSet using Foq. It goes something like:
let patients =
([
Patient(Guid "00000000-0000-0000-0000-000000000001");
Patient(Guid "00000000-0000-0000-0000-000000000002");
Patient(Guid…
albertjan
- 7,739
- 6
- 44
- 74
5
votes
1 answer
Using Foq with F# function types
I am using F# type definitions to prevent hard dependencies between my functions, for example
type IType1 = int -> int
type IType2 = int-> string
let func1 (i : int) : int = i * i
let func2 (i : int) : string = i |> string
let higherFunc (dep1 :…
Ryan
- 2,109
- 1
- 15
- 19
3
votes
1 answer
Using Foq to mock Microsoft.Extensions.Logging.ILogger
I'm having difficulties to Mock Microsoft ILogger with Foq.
module MockExample
open Microsoft.Extensions.Logging
open NUnit.Framework
open Foq
//open Foq.Linq
// Implementation
type Worker (logger:ILogger) =
member this.DoSomething…
Alex 75
- 2,798
- 1
- 31
- 48
3
votes
3 answers
Foq Mock.Expect with Times > 1 always fails
None of the Mock.Expect examples I've found use Times other than 0 or 1 (never, once).
I modifed one of the existing tests from Foq.Usage.fsx to attempt something that's not 0 or 1, but I can't make it work.
Does anyone see anything wrong?
let…
MickeyPickle
- 103
- 4
3
votes
1 answer
Mocking Non-Standard Events in F# Foq
I'm new to F#, and I'm putting myself through some exercises to learn the language. The one I'm currently trying to do is to write a unit test for a custom Castle.Windsor Facility, and I am trying to Mock the Kernel to raise a "ComponentRegistered"…
Mitchell Lee
- 456
- 3
- 14
3
votes
1 answer
How to set up a mock in Foq that returns an async?
I try to set up a mock using
Mock.With(fun y -> <@ y.DoIt (any()) --> async {()} @>)
This leads to a NotSupportedException being raised in the function toCall.
How should I mock Async in Foq?
Is it supported?
Remko
- 754
- 3
- 15
3
votes
1 answer
Using Foq Verify methodsmatch fails on interface with type parameter
I have an interface like this
type IAppDatabase =
abstract Get<'T> : seq -> Task>
abstract Set<'T> : seq<'T> -> Task
abstract GetIds<'T> : unit -> Task>
I try to mock like this
let results = seq [DT.Result…
Remko
- 754
- 3
- 15
2
votes
1 answer
Can you set up recursive mocks in foq?
I'd let to mock an IBus with Foq.
One of the methods on the IBus is OpenPublishChannel, which returns an IPublishChannel. IPublishChannel in turn has a Bus property that returns the parent IBus.
My current code is below, but obviously it doesn't…
mavnn
- 9,101
- 4
- 34
- 52
1
vote
1 answer
Testing interfaces with foq
I am trying to use Foq to testing an interface with Foq.
So far, all examples I have seen for this have been relatively simple, such as the following:
let users = [|{ID = 1; pass = true};{ID = 2; pass= false}|]
type IFoo =
abstract member…
Pash101
- 631
- 3
- 14
1
vote
0 answers
Using Ninject with mocks in F#
This question is part of larger question that can be found here
As in out production code we use Ninject and constructor injection our services tend to look like this
public class Service : IService
{
private readonly IRepository _repository;
…
Icen
- 441
- 6
- 14
1
vote
1 answer
Configuring C# out parameters with Foq in F#
I am using F# and Foq to write unit tests for a C# project.
I am trying to set up a mock of an interface whose method has an out parameter, and I have no idea how to even start. It probably has to do with code quotations, but that's where my…
TeaDrivenDev
- 6,591
- 33
- 50
0
votes
1 answer
Mocking an abstract class with a virtual internally settable property in Foq
I have written an Azure durable function in F# and am trying to write unit tests, following the guidelines at https://learn.microsoft.com/en-us/azure/azure-functions/durable/durable-functions-unit-testing. I have attempted to use Foq to create a…
Blisco
- 601
- 6
- 14