public async Task GetUserJsonsAsync_Should_Return_All_User_Jsons(string username, Dictionary <DbJson, JsonModel> jsonModelsMapping)
{
Expression <Func <DbJson, bool> > expression = null;
_mongoCollectionClient
.When(x => x.FindAsync(username, Arg.Any <Expression <Func <DbJson, bool> > >()))
.Do(info => { expression = (Expression <Func <DbJson, bool> >)info[1]; });
_mongoCollectionClient
.FindAsync(username, Arg.Any <Expression <Func <DbJson, bool> > >())
.Returns(jsonModelsMapping.Keys);
_mapper.Map <JsonModel>(Arg.Any <DbJson>())
.Returns(x => jsonModelsMapping.FirstOrDefault(j => ((DbJson)x[0]).Id == j.Key.Id).Value);
var result = await _jsonRepositoryInstance.GetUserJsonsAsync(username);
Expression <Func <DbJson, bool> > expectedExpression = x => true;
Assert.AreEqual(jsonModelsMapping.Values, result);
Assert.IsTrue(Lambda.Eq(expectedExpression, expression));
}
