fix: fixed parsing of value only conditions

arazzo/criterion/condition.go

@@ -38,6 +38,11 @@ type Condition struct {
 
 // TODO this will need to evolve to have a more AST like structure (while remaining easy to work with)
 func newCondition(rawCondition string) (*Condition, error) {
+	// This is a raw value not a condition expressions
+	if !strings.HasPrefix(rawCondition, "$") {
+		return nil, nil
+	}
+
 	parts := strings.Split(rawCondition, " ")
 
 	if len(parts) < 3 {

arazzo/criterion/criterion.go

@@ -1,6 +1,7 @@
 package criterion
 
 import (
+	"context"
 	"fmt"
 	"strings"
 
@@ -199,6 +200,14 @@ func (c *Criterion) GetCore() *core.Criterion {
 	return &c.core
 }
 
+// Sync will sync any changes made to the Arazzo document models back to the core models.
+func (c *Criterion) Sync(ctx context.Context) error {
+	if _, err := marshaller.SyncValue(ctx, c, &c.core, nil, false); err != nil {
+		return err
+	}
+	return nil
+}
+
 // GetCondition will return the condition as a parsed condition object
 func (c *Criterion) GetCondition() (*Condition, error) {
 	return newCondition(c.Condition)

arazzo/criterion/criterion_test.go

@@ -0,0 +1,48 @@
+package criterion_test
+
+import (
+	"context"
+	"testing"
+
+	"github.com/speakeasy-api/openapi/arazzo/criterion"
+	"github.com/speakeasy-api/openapi/arazzo/expression"
+	"github.com/speakeasy-api/openapi/pointer"
+	"github.com/speakeasy-api/openapi/validation"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestCriterion_Validate_Success(t *testing.T) {
+	type args struct {
+		c    *criterion.Criterion
+		opts []validation.Option
+	}
+	tests := []struct {
+		name string
+		args args
+	}{
+		{
+			name: "successfully validate criterion with empty json object condition",
+			args: args{
+				c: &criterion.Criterion{
+					Context: pointer.From(expression.Expression("$response.body")),
+					Type: criterion.CriterionTypeUnion{
+						Type: pointer.From(criterion.CriterionTypeSimple),
+					},
+					Condition: `
+[
+  {}
+]`,
+				},
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := tt.args.c.Sync(context.Background())
+			require.NoError(t, err)
+			errs := tt.args.c.Validate(tt.args.opts...)
+			assert.Empty(t, errs)
+		})
+	}
+}

arazzo/expression/expression_test.go

@@ -194,6 +194,16 @@ func TestExpression_Validate_Success(t *testing.T) {
 				validateAsExpression: true,
 			},
 		},
+		{
+			name: "multiline empty json objects expression",
+			args: args{
+				e: Expression(`
+[
+  {}
+]`),
+				validateAsExpression: false,
+			},
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {