Add support for constraint attributes (#122)

* Add support for constraint attributes

* Fix format

Author: blegat

src/QCQP/MOI_wrapper.jl

@@ -79,7 +79,7 @@ function MOI.set(
     ci::MOI.ConstraintIndex{<:PolyJuMP.ScalarPolynomialFunction{T},S},
     value,
 ) where {T,S<:MOI.AbstractScalarSet}
-    return MOI.get(model.constraints[S][2], attr, model.index_map[ci], value)
+    return MOI.set(model.constraints[S][2], attr, ci, value)
 end
 
 function MOI.get(
@@ -425,7 +425,7 @@ function _add_constraints(
     dest,
     src,
     index_map,
-    cis_src::Vector{MOI.ConstraintIndex{F,S}},
+    cis_src::AbstractVector{MOI.ConstraintIndex{F,S}},
     index_to_var,
     d,
     div,
@@ -438,27 +438,7 @@ function _add_constraints(
         dest_ci = MOI.Utilities.normalize_and_add_constraint(dest, quad, set)
         index_map[ci] = dest_ci
     end
-    # `Utilities.pass_attributes` needs `index_map` to be an `IndexMap` :(
-    #MOI.Utilities.pass_attributes(dest, src, index_map, cis_src)
-    # `ListOfConstraintAttributesSet` not defined for `VectorOfConstraints`
-    #    for attr in MOI.get(src, MOI.ListOfConstraintAttributesSet{F,S}())
-    #        if !MOI.supports(dest, attr)
-    #            if attr == MOI.Name()
-    #                continue  # Skipping names is okay.
-    #            end
-    #        end
-    #        for ci in cis_src
-    #            value = MOI.get(src, attr, ci)
-    #            if value !== nothing
-    #                MOI.set(
-    #                    dest,
-    #                    attr,
-    #                    index_map[ci],
-    #                    MOI.Utilities.map_indices(index_map, attr, value),
-    #                )
-    #            end
-    #        end
-    #    end
+    MOI.Utilities.pass_attributes(dest, src, index_map, cis_src)
     return
 end
 

test/qcqp.jl

@@ -315,7 +315,7 @@ function test_variable_primal(x, y, T)
 end
 
 # We test names as it's supported by `MOI.Utilities.Model`
-function test_name(x, y, T)
+function test_name(_, _, T)
     model = JuMP.GenericModel{T}()
     JuMP.@variable(model, 1 <= a <= 3)
     JuMP.@variable(model, 1 <= b <= 3)
@@ -333,11 +333,6 @@ function test_name(x, y, T)
     attr = MOI.ConstraintName()
     @test MOI.get(qcqp, attr, idxmap[JuMP.index(aff)]) == "aff"
     @test MOI.get(qcqp, attr, idxmap[JuMP.index(con_ref)]) == "con_ref"
-    inner = qcqp.model.model
-    F = MOI.ScalarQuadraticFunction{T}
-    S = MOI.GreaterThan{T}
-    ci = first(MOI.get(inner, MOI.ListOfConstraintIndices{F,S}()))
-    @test_broken MOI.get(inner, attr, ci) == "con_ref"
 end
 
 function test_start(x, y, T)
@@ -349,10 +344,18 @@ function test_start(x, y, T)
     MOI.set(model, MOI.VariablePrimalStart(), b, 3one(T))
     p = PolyJuMP.ScalarPolynomialFunction(one(T) * x^3 - x * y^2, [a, b])
     ci = MOI.add_constraint(model, p, MOI.LessThan(zero(T)))
+    MOI.set(model, MOI.ConstraintPrimalStart(), ci, 5one(T))
+    @test MOI.get(model, MOI.ConstraintPrimalStart(), ci) == 5
     @test MOI.is_valid(model, ci)
     MOI.Utilities.final_touch(model, nothing)
     vis = MOI.get(inner, MOI.ListOfVariableIndices())
     @test sort(MOI.get(inner, MOI.VariablePrimalStart(), vis)) == T[2, 3, 4, 9]
+    @test MOI.get(model, MOI.ConstraintPrimalStart(), ci) == 5
+    @test MOI.get(
+        model.model,
+        MOI.ConstraintPrimalStart(),
+        model.index_map[ci],
+    ) == 5
 end
 
 function test_inner_bridge(x, y, T)