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Support custom map types in resolvers #440

Merged
merged 3 commits into from
Mar 10, 2019
Merged

Support custom map types in resolvers #440

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0beacfd
Support custom map types in resolvers (e.g.
atombender Feb 4, 2019
db6bc15
Adds regression test for #439.
atombender Feb 4, 2019
66aaed7
Merge branch 'master' into issue-439
chris-ramon Mar 9, 2019
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Adds regression test for #439.
  • Loading branch information
@atombender
atombender committed Feb 4, 2019
commit db6bc15feab150eae1f2bde7e1556ce42847b041
56 changes: 56 additions & 0 deletions executor_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -297,6 +297,62 @@ func TestMergesParallelFragments(t *testing.T) {
}
}

type CustomMap map[string]interface{}

func TestCustomMapType(t *testing.T) {
query := `
query Example { data { a } }
`
data := CustomMap{
"a": "1",
"b": "2",
}
schema, err := graphql.NewSchema(graphql.SchemaConfig{
Query: graphql.NewObject(graphql.ObjectConfig{
Name: "RootQuery",
Fields: graphql.Fields{
"data": &graphql.Field{
Type: graphql.NewObject(graphql.ObjectConfig{
Name: "Data",
Fields: graphql.Fields{
"a": &graphql.Field{
Type: graphql.String,
},
"b": &graphql.Field{
Type: graphql.String,
},
},
}),
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
return data, nil
},
},
},
}),
})
if err != nil {
t.Fatalf("Error in schema %v", err.Error())
}

result := testutil.TestExecute(t, graphql.ExecuteParams{
Schema: schema,
Root: data,
AST: testutil.TestParse(t, query),
})
if len(result.Errors) > 0 {
t.Fatalf("wrong result, unexpected errors: %v", result.Errors)
}

expected := map[string]interface{}{
"data": map[string]interface{}{
"a": "1",
},
}
if !reflect.DeepEqual(result.Data, expected) {
t.Fatalf("Expected context.key to equal %v, got %v", expected, result.Data)
}
}

func TestThreadsSourceCorrectly(t *testing.T) {

query := `
Expand Down