fix: error path is lost (#681) (#682)

Author: micronull

openapi3/schema.go

@@ -1722,11 +1722,8 @@ func (err *SchemaError) Error() string {
 		}
 	}
 
-	if err.Origin != nil {
-		return err.Origin.Error()
-	}
-
 	buf := bytes.NewBuffer(make([]byte, 0, 256))
+
 	if len(err.reversePath) > 0 {
 		buf.WriteString(`Error at "`)
 		reversePath := err.reversePath
@@ -1736,6 +1733,13 @@ func (err *SchemaError) Error() string {
 		}
 		buf.WriteString(`": `)
 	}
+
+	if err.Origin != nil {
+		buf.WriteString(err.Origin.Error())
+
+		return buf.String()
+	}
+
 	reason := err.Reason
 	if reason == "" {
 		buf.WriteString(`Doesn't match schema "`)
@@ -1744,6 +1748,7 @@ func (err *SchemaError) Error() string {
 	} else {
 		buf.WriteString(reason)
 	}
+
 	if !SchemaErrorDetailsDisabled {
 		buf.WriteString("\nSchema:\n  ")
 		encoder := json.NewEncoder(buf)
@@ -1756,6 +1761,7 @@ func (err *SchemaError) Error() string {
 			panic(err)
 		}
 	}
+
 	return buf.String()
 }
 

openapi3/schema_formats_test.go

@@ -75,3 +75,33 @@ func TestFormatCallback_WrapError(t *testing.T) {
 
 	delete(SchemaStringFormats, "foobar")
 }
+
+func TestReversePathInMessageSchemaError(t *testing.T) {
+	DefineIPv4Format()
+
+	SchemaErrorDetailsDisabled = true
+
+	const spc = `
+components:
+  schemas:
+    Something:
+      type: object
+      properties:
+        ip:
+          type: string
+          format: ipv4
+`
+	l := NewLoader()
+
+	doc, err := l.LoadFromData([]byte(spc))
+	require.NoError(t, err)
+
+	err = doc.Components.Schemas["Something"].Value.VisitJSON(map[string]interface{}{
+		`ip`: `123.0.0.11111`,
+	})
+
+	require.EqualError(t, err, `Error at "/ip": Not an IP address`)
+
+	delete(SchemaStringFormats, "ipv4")
+	SchemaErrorDetailsDisabled = false
+}

openapi3/schema_issue289_test.go

@@ -35,5 +35,5 @@ openapi: "3.0.1"
 		"name":    "kin-openapi",
 		"address": "127.0.0.1",
 	})
-	require.EqualError(t, err, ErrOneOfConflict.Error())
+	require.ErrorIs(t, err, ErrOneOfConflict)
 }

openapi3filter/issue625_test.go

@@ -72,7 +72,7 @@ paths:
 			name:   "failed allof object array",
 			spec:   allOfArraySpec,
 			req:    `/items?test=1.2,3.1`,
-			errStr: `parameter "test" in query has an error: Value must be an integer`,
+			errStr: `parameter "test" in query has an error: Error at "/0": Value must be an integer`,
 		},
 		{
 			name: "success oneof object array",