github.com/operandinc/gqlgen@v0.16.1/codegen/testserver/followschema/scalar_default_test.go (about)

     1  package followschema
     2  
     3  import (
     4  	"context"
     5  	"testing"
     6  
     7  	"github.com/operandinc/gqlgen/client"
     8  	"github.com/operandinc/gqlgen/graphql/handler"
     9  	"github.com/stretchr/testify/require"
    10  )
    11  
    12  func TestDefaultScalarImplementation(t *testing.T) {
    13  	resolvers := &Stub{}
    14  
    15  	c := client.New(handler.NewDefaultServer(NewExecutableSchema(Config{Resolvers: resolvers})))
    16  
    17  	resolvers.QueryResolver.DefaultScalar = func(ctx context.Context, arg string) (i string, e error) {
    18  		return arg, nil
    19  	}
    20  
    21  	t.Run("with arg value", func(t *testing.T) {
    22  		var resp struct{ DefaultScalar string }
    23  		c.MustPost(`query { defaultScalar(arg: "fff") }`, &resp)
    24  		require.Equal(t, "fff", resp.DefaultScalar)
    25  	})
    26  
    27  	t.Run("with default value", func(t *testing.T) {
    28  		var resp struct{ DefaultScalar string }
    29  		c.MustPost(`query { defaultScalar  }`, &resp)
    30  		require.Equal(t, "default", resp.DefaultScalar)
    31  	})
    32  }