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test: add test to assert empty intersection invalid #523

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63 changes: 63 additions & 0 deletions pkg/go/graph/weighted_graph_builder_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ package graph
import (
"testing"

openfgav1 "github.com/openfga/api/proto/openfga/v1"
"github.com/stretchr/testify/require"

language "github.com/openfga/language/pkg/go/transformer"
Expand Down Expand Up @@ -1935,6 +1936,68 @@ func TestGraphConstructionIntersection(t *testing.T) {
_, err := wgb.Build(authorizationModel)
require.ErrorContains(t, err, "invalid model: not all paths return the same type for the node intersection:")
})
t.Run("empty_intersection", func(t *testing.T) {
t.Parallel()
authorizationModel := &openfgav1.AuthorizationModel{
SchemaVersion: "1.1",
TypeDefinitions: []*openfgav1.TypeDefinition{
{
Type: "user",
},
{
Type: "document",
Relations: map[string]*openfgav1.Userset{
"viewer": {
Userset: &openfgav1.Userset_Intersection{
Intersection: &openfgav1.Usersets{
Child: []*openfgav1.Userset{},
},
},
},
},
Metadata: &openfgav1.Metadata{
Relations: map[string]*openfgav1.RelationMetadata{
"viewer": {},
},
},
},
},
}
wgb := NewWeightedAuthorizationModelGraphBuilder()
_, err := wgb.Build(authorizationModel)
require.Error(t, err)
})
t.Run("empty_union", func(t *testing.T) {
t.Parallel()
authorizationModel := &openfgav1.AuthorizationModel{
SchemaVersion: "1.1",
TypeDefinitions: []*openfgav1.TypeDefinition{
{
Type: "user",
},
{
Type: "document",
Relations: map[string]*openfgav1.Userset{
"viewer": {
Userset: &openfgav1.Userset_Union{
Union: &openfgav1.Usersets{
Child: []*openfgav1.Userset{},
},
},
},
},
Metadata: &openfgav1.Metadata{
Relations: map[string]*openfgav1.RelationMetadata{
"viewer": {},
},
},
},
},
}
wgb := NewWeightedAuthorizationModelGraphBuilder()
_, err := wgb.Build(authorizationModel)
require.Error(t, err)
})
})

t.Run("multiple_intersections", func(t *testing.T) {
Expand Down