Fix filtering with GlobalIDFilter (#977)

Author: hubertsiuzdak

graphene_django/filter/fields.py

@@ -1,6 +1,7 @@
 from collections import OrderedDict
 from functools import partial
 
+from django.core.exceptions import ValidationError
 from graphene.types.argument import to_arguments
 from ..fields import DjangoConnectionField
 from .utils import get_filtering_args_from_filterset, get_filterset_class
@@ -59,7 +60,12 @@ def resolve_queryset(
             connection, iterable, info, args
         )
         filter_kwargs = {k: v for k, v in args.items() if k in filtering_args}
-        return filterset_class(data=filter_kwargs, queryset=qs, request=info.context).qs
+        filterset = filterset_class(
+            data=filter_kwargs, queryset=qs, request=info.context
+        )
+        if filterset.form.is_valid():
+            return filterset.qs
+        raise ValidationError(filterset.form.errors.as_json())
 
     def get_queryset_resolver(self):
         return partial(

graphene_django/filter/tests/test_fields.py

@@ -400,6 +400,114 @@ def test_global_id_field_relation():
     assert id_filter.field_class == GlobalIDFormField
 
 
+def test_global_id_field_relation_with_filter():
+    class ReporterFilterNode(DjangoObjectType):
+        class Meta:
+            model = Reporter
+            interfaces = (Node,)
+            filter_fields = ["first_name", "articles"]
+
+    class ArticleFilterNode(DjangoObjectType):
+        class Meta:
+            model = Article
+            interfaces = (Node,)
+            filter_fields = ["headline", "reporter"]
+
+    class Query(ObjectType):
+        all_reporters = DjangoFilterConnectionField(ReporterFilterNode)
+        all_articles = DjangoFilterConnectionField(ArticleFilterNode)
+        reporter = Field(ReporterFilterNode)
+        article = Field(ArticleFilterNode)
+
+    r1 = Reporter.objects.create(first_name="r1", last_name="r1", email="r1@test.com")
+    r2 = Reporter.objects.create(first_name="r2", last_name="r2", email="r2@test.com")
+    Article.objects.create(
+        headline="a1",
+        pub_date=datetime.now(),
+        pub_date_time=datetime.now(),
+        reporter=r1,
+        editor=r1,
+    )
+    Article.objects.create(
+        headline="a2",
+        pub_date=datetime.now(),
+        pub_date_time=datetime.now(),
+        reporter=r2,
+        editor=r2,
+    )
+
+    # Query articles created by the reporter `r1`
+    query = """
+    query {
+        allArticles (reporter: "UmVwb3J0ZXJGaWx0ZXJOb2RlOjE=") {
+            edges {
+                node {
+                    id
+                }
+            }
+        }
+    }
+    """
+    schema = Schema(query=Query)
+    result = schema.execute(query)
+    assert not result.errors
+    # We should only get back a single article
+    assert len(result.data["allArticles"]["edges"]) == 1
+
+
+def test_global_id_field_relation_with_filter_not_valid_id():
+    class ReporterFilterNode(DjangoObjectType):
+        class Meta:
+            model = Reporter
+            interfaces = (Node,)
+            filter_fields = ["first_name", "articles"]
+
+    class ArticleFilterNode(DjangoObjectType):
+        class Meta:
+            model = Article
+            interfaces = (Node,)
+            filter_fields = ["headline", "reporter"]
+
+    class Query(ObjectType):
+        all_reporters = DjangoFilterConnectionField(ReporterFilterNode)
+        all_articles = DjangoFilterConnectionField(ArticleFilterNode)
+        reporter = Field(ReporterFilterNode)
+        article = Field(ArticleFilterNode)
+
+    r1 = Reporter.objects.create(first_name="r1", last_name="r1", email="r1@test.com")
+    r2 = Reporter.objects.create(first_name="r2", last_name="r2", email="r2@test.com")
+    Article.objects.create(
+        headline="a1",
+        pub_date=datetime.now(),
+        pub_date_time=datetime.now(),
+        reporter=r1,
+        editor=r1,
+    )
+    Article.objects.create(
+        headline="a2",
+        pub_date=datetime.now(),
+        pub_date_time=datetime.now(),
+        reporter=r2,
+        editor=r2,
+    )
+
+    # Filter by the global ID that does not exist
+    query = """
+    query {
+        allArticles (reporter: "fake_global_id") {
+            edges {
+                node {
+                    id
+                }
+            }
+        }
+    }
+    """
+    schema = Schema(query=Query)
+    result = schema.execute(query)
+    assert "Invalid ID specified." in result.errors[0].message
+
+
 def test_global_id_multiple_field_implicit():
     field = DjangoFilterConnectionField(ReporterNode, fields=["pets"])
     filterset_class = field.filterset_class