reproduce getkin#594

Signed-off-by: Pierre Fenoll <pierrefenoll@gmail.com>

go.mod

@@ -25,3 +25,6 @@ require (
 	github.com/mailru/easyjson v0.7.7 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 )
+
+// replace gopkg.in/yaml.v3 => github.com/fenollp/yaml v3-control-characters
+replace gopkg.in/yaml.v3 => github.com/fenollp/yaml v0.0.0-20220916133617-ebd049cae477

go.sum

@@ -2,6 +2,8 @@ github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ3
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/fenollp/yaml v0.0.0-20220916133617-ebd049cae477 h1:wtaXapfqJfb5laToYtlxR0vYaOIC6bPhmopeKaLW/7s=
+github.com/fenollp/yaml v0.0.0-20220916133617-ebd049cae477/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 github.com/go-openapi/jsonpointer v0.19.6 h1:eCs3fxoIi3Wh6vtgmLTOjdhSpiqphQ+DaPn38N2ZdrE=
 github.com/go-openapi/jsonpointer v0.19.6/go.mod h1:osyAmYz/mB/C3I+WsTTSgw1ONzaLJoLCyoi6/zppojs=
 github.com/go-openapi/swag v0.22.3/go.mod h1:UzaqsxGiab7freDnrUUra0MwWfN/q7tE4j+VcZ0yl14=
@@ -40,5 +42,3 @@ github.com/ugorji/go/codec v1.2.7 h1:YPXUKf7fYbp/y8xloBqZOw2qaVggbfwMlI8WM3wZUJ0
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
-gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
-gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

openapi3/issue594_test.go

@@ -0,0 +1,29 @@
+package openapi3
+
+import (
+	"net/url"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestIssue594(t *testing.T) {
+	sl := NewLoader()
+	doc, err := sl.LoadFromFile("testdata/oai_v3_stoplight.json")
+	require.NoError(t, err)
+
+	err = doc.Validate(sl.Context, DisableSchemaPatternValidation())
+	require.NoError(t, err)
+
+	//
+
+	uri, err := url.Parse("https://raw.githubusercontent.com/sendgrid/sendgrid-oai/c3aaa432b769faa47285166aca17c7ed2ea71787/oai_v3_stoplight.json")
+	require.NoError(t, err)
+
+	sl = NewLoader()
+	doc, err = sl.LoadFromURI(uri)
+	require.NoError(t, err)
+
+	err = doc.Validate(sl.Context, DisableSchemaPatternValidation())
+	require.NoError(t, err)
+}