public void DeleteMutationTest1()
{
Organism organism = new Organism();
organism.Chromosomes.Add(new Chromosome(1, "1"));
IRandom rand = new Deterministic(0);
DeleteMutation mutator = new DeleteMutation(rand);
mutator.Mutate(organism);
Assert.AreEqual("", organism.Chromosomes[0].ToString());
}
public void DeleteMutationTest2()
{
Organism organism = new Organism();
organism.Chromosomes.Add(new Chromosome(1, "10101"));
IRandom rand = new Deterministic(1);
DeleteMutation mutator = new DeleteMutation(rand);
mutator.Mutate(organism);
string answer = organism.Chromosomes[0].ToString();
Assert.AreEqual("1101", answer);
}
/// <summary>
/// Adds the required mutation fields to the GraphQL schema for create, update and delete
/// </summary>
/// <typeparam name="TModelCreateInputType">The GraphQL input type used for the create functions</typeparam>
/// <typeparam name="TModelUpdateInputType">The GraphQL Input Type used for the update functions</typeparam>
/// <typeparam name="TModelType">The GraphQL model type used for returning data</typeparam>
/// <typeparam name="TModel">The EF model type for saving to the DB</typeparam>
/// <param name="name">The name of the entity</param>
/// <param name="createMutation">An override for the create mutation</param>
/// <param name="updateMutation">An override for the update mutation</param>
/// <param name="deleteMutation">An override for the delete mutation</param>
/// <param name="conditionalUpdateMutation">An override for the conditional update mutation</param>
/// <param name="conditionalDeleteMutation">An override for the conditional delete mutation</param>
public void AddMutationField <TModelCreateInputType, TModelUpdateInputType, TModelType, TModel>(
string name,
Func <ResolveFieldContext <object>, Task <object> > createMutation = null,
Func <ResolveFieldContext <object>, Task <object> > updateMutation = null,
Func <ResolveFieldContext <object>, Task <object> > deleteMutation = null,
Func <ResolveFieldContext <object>, Task <object> > conditionalUpdateMutation = null,
Func <ResolveFieldContext <object>, Task <object> > conditionalDeleteMutation = null)
where TModelCreateInputType : InputObjectGraphType <TModel>
where TModelUpdateInputType : InputObjectGraphType <TModel>
where TModelType : ObjectGraphType <TModel>
where TModel : class, IOwnerAbstractModel, new()
{
FieldAsync <ListGraphType <TModelType> >(
$"create{name}",
arguments: new QueryArguments(
new QueryArgument <ListGraphType <TModelCreateInputType> > {
Name = name + "s"
},
new QueryArgument <ListGraphType <StringGraphType> > {
Name = "MergeReferences"
}
),
resolve: createMutation ?? CreateMutation.CreateCreateMutation <TModel>(name)
);
FieldAsync <ListGraphType <TModelType> >(
$"update{name}",
arguments: new QueryArguments(
new QueryArgument <ListGraphType <TModelUpdateInputType> > {
Name = name + "s"
},
new QueryArgument <ListGraphType <StringGraphType> > {
Name = "MergeReferences"
}
),
resolve: updateMutation ?? UpdateMutation.CreateUpdateMutation <TModel>(name)
);
FieldAsync <ListGraphType <IdObjectType> >(
$"delete{name}",
arguments: new QueryArguments(
new QueryArgument <ListGraphType <IdGraphType> > {
Name = $"{name}Ids"
}
),
resolve: deleteMutation ?? DeleteMutation.CreateDeleteMutation <TModel>(name)
);
FieldAsync <BooleanObjectType>(
$"update{name}sConditional",
arguments: new QueryArguments(
new QueryArgument <IdGraphType> {
Name = "id"
},
new QueryArgument <ListGraphType <IdGraphType> > {
Name = "ids"
},
new QueryArgument <ListGraphType <ListGraphType <WhereExpressionGraph> > >
{
Name = "conditions",
Description = ConditionalWhereDesc
},
new QueryArgument <TModelUpdateInputType> {
Name = "valuesToUpdate"
},
new QueryArgument <ListGraphType <StringGraphType> > {
Name = "fieldsToUpdate"
}
),
resolve: conditionalUpdateMutation ?? UpdateMutation.CreateConditionalUpdateMutation <TModel>(name)
);
FieldAsync <BooleanObjectType>(
$"delete{name}sConditional",
arguments: new QueryArguments(
new QueryArgument <IdGraphType> {
Name = "id"
},
new QueryArgument <ListGraphType <IdGraphType> > {
Name = "ids"
},
new QueryArgument <ListGraphType <ListGraphType <WhereExpressionGraph> > >
{
Name = "conditions",
Description = ConditionalWhereDesc
}
),
resolve: conditionalDeleteMutation ?? DeleteMutation.CreateConditionalDeleteMutation <TModel>(name)
);
}
public string Visit(DeleteMutation <char> mutation)
=> $"[d:{mutation.ActualItem}]";
