Improve literal type string representation handling

flytepropeller/pkg/compiler/common/pretty_print.go

@@ -0,0 +1,23 @@
+package common
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/flyteorg/flyte/flyteidl/gen/pb-go/flyteidl/core"
+)
+
+func LiteralTypeToStr(lt *core.LiteralType) string {
+	if lt == nil {
+		return "None"
+	}
+	if lt.GetSimple() == core.SimpleType_STRUCT {
+		var structure string
+		for k, v := range lt.GetStructure().GetDataclassType() {
+			structure += fmt.Sprintf("dataclass_type:{key:%v value:{%v}, ", k, LiteralTypeToStr(v))
+		}
+		structure = strings.TrimSuffix(structure, ", ")
+		return fmt.Sprintf("simple: STRUCT structure{%v}", structure)
+	}
+	return lt.String()
+}

flytepropeller/pkg/compiler/common/pretty_print_test.go

@@ -0,0 +1,36 @@
+package common
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"google.golang.org/protobuf/types/known/structpb"
+
+	"github.com/flyteorg/flyte/flyteidl/gen/pb-go/flyteidl/core"
+)
+
+func TestLiteralTypeToStr(t *testing.T) {
+	dataclassType := &core.LiteralType{
+		Type: &core.LiteralType_Simple{Simple: core.SimpleType_STRUCT},
+		Structure: &core.TypeStructure{
+			DataclassType: map[string]*core.LiteralType{
+				"a": {
+					Type: &core.LiteralType_Simple{Simple: core.SimpleType_INTEGER},
+				},
+			},
+		},
+		Metadata: &structpb.Struct{Fields: map[string]*structpb.Value{
+			"key": {Kind: &structpb.Value_StringValue{StringValue: "a"}},
+		}},
+	}
+	assert.Equal(t, LiteralTypeToStr(nil), "None")
+	assert.Equal(t, LiteralTypeToStr(dataclassType), "simple: STRUCT structure{dataclass_type:{key:a value:{simple:INTEGER}}")
+	assert.NotEqual(t, LiteralTypeToStr(dataclassType), dataclassType.String())
+
+	// Test for SimpleType
+	simpleType := &core.LiteralType{
+		Type: &core.LiteralType_Simple{Simple: core.SimpleType_INTEGER},
+	}
+	assert.Equal(t, LiteralTypeToStr(simpleType), "simple:INTEGER")
+	assert.Equal(t, LiteralTypeToStr(simpleType), simpleType.String())
+}

flytepropeller/pkg/compiler/transformers/k8s/inputs.go

@@ -42,7 +42,7 @@
 			continue
 		}
 		if !validators.AreTypesCastable(inputType, v.Type) {
-			errs.Collect(errors.NewMismatchingTypesErr(nodeID, inputVar, v.Type.String(), inputType.String()))
+			errs.Collect(errors.NewMismatchingTypesErr(nodeID, inputVar, common.LiteralTypeToStr(v.Type), common.LiteralTypeToStr(inputType)))
 			continue
 		}
 

flytepropeller/pkg/compiler/validators/bindings.go

@@ -131,7 +131,7 @@
 				// If the variable has an index. We expect param to be a collection.
 				if v.Index != nil {
 					if cType := param.GetType().GetCollectionType(); cType == nil {
-						errs.Collect(errors.NewMismatchingVariablesErr(nodeID, outputVar, param.Type.String(), inputVar, expectedType.String()))
+						errs.Collect(errors.NewMismatchingVariablesErr(nodeID, outputVar, c.LiteralTypeToStr(param.Type), inputVar, c.LiteralTypeToStr(expectedType)))
 					} else {
 						sourceType = cType
 					}
@@ -164,7 +164,7 @@
 					return param.GetType(), []c.NodeID{val.Promise.NodeId}, true
 				}
 
-				errs.Collect(errors.NewMismatchingVariablesErr(node.GetId(), outputVar, sourceType.String(), inputVar, expectedType.String()))
+				errs.Collect(errors.NewMismatchingVariablesErr(node.GetId(), outputVar, c.LiteralTypeToStr(sourceType), inputVar, c.LiteralTypeToStr(expectedType)))
 				return nil, nil, !errs.HasErrors()
 			}
 		}
@@ -180,7 +180,7 @@
 		if literalType == nil {
 			errs.Collect(errors.NewUnrecognizedValueErr(nodeID, reflect.TypeOf(val.Scalar.GetValue()).String()))
 		} else if validateParamTypes && !AreTypesCastable(literalType, expectedType) {
-			errs.Collect(errors.NewMismatchingTypesErr(nodeID, nodeParam, literalType.String(), expectedType.String()))
+			errs.Collect(errors.NewMismatchingTypesErr(nodeID, nodeParam, c.LiteralTypeToStr(literalType), c.LiteralTypeToStr(expectedType)))
 		}
 
 		if expectedType.GetEnumType() != nil {

flytepropeller/pkg/compiler/validators/condition.go

@@ -44,7 +44,7 @@
 			if op1Valid && op2Valid && op1Type != nil && op2Type != nil {
 				if op1Type.String() != op2Type.String() {
 					errs.Collect(errors.NewMismatchingTypesErr(node.GetId(), "RightValue",
-						op1Type.String(), op2Type.String()))
+						c.LiteralTypeToStr(op1Type), c.LiteralTypeToStr(op2Type)))
 				}
 			}
 		} else if expr.GetConjunction() != nil {

flytepropeller/pkg/compiler/validators/vars.go

@@ -40,7 +40,7 @@
 func validateVarType(nodeID c.NodeID, paramName string, param *flyte.Variable,
 	expectedType *flyte.LiteralType, errs errors.CompileErrors) (ok bool) {
 	if param.GetType().String() != expectedType.String() {
-		errs.Collect(errors.NewMismatchingTypesErr(nodeID, paramName, param.GetType().String(), expectedType.String()))
+		errs.Collect(errors.NewMismatchingTypesErr(nodeID, paramName, c.LiteralTypeToStr(param.GetType()), c.LiteralTypeToStr(expectedType)))
 	}
 
 	return !errs.HasErrors()