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Handle null op, path and from without panicking #62

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merged 1 commit into from
Jul 20, 2018
Merged

Handle null op, path and from without panicking #62

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6 changes: 3 additions & 3 deletions patch.go
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Original file line number Diff line number Diff line change
Expand Up @@ -204,7 +204,7 @@ func (n *lazyNode) equal(o *lazyNode) bool {
}

func (o operation) kind() string {
if obj, ok := o["op"]; ok {
if obj, ok := o["op"]; ok && obj != nil {
var op string

err := json.Unmarshal(*obj, &op)
Expand All @@ -220,7 +220,7 @@ func (o operation) kind() string {
}

func (o operation) path() string {
if obj, ok := o["path"]; ok {
if obj, ok := o["path"]; ok && obj != nil {
var op string

err := json.Unmarshal(*obj, &op)
Expand All @@ -236,7 +236,7 @@ func (o operation) path() string {
}

func (o operation) from() string {
if obj, ok := o["from"]; ok {
if obj, ok := o["from"]; ok && obj != nil{
var op string

err := json.Unmarshal(*obj, &op)
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12 changes: 12 additions & 0 deletions patch_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -251,6 +251,18 @@ var BadCases = []BadCase{
`{ "foo": ["bar"]}`,
`[ {"op": "add", "path": "/foo/2", "value": "bum"}]`,
},
{
`{}`,
`[ {"op":null,"path":""} ]`,
},
{
`{}`,
`[ {"op":"add","path":null} ]`,
},
{
`{}`,
`[ { "op": "copy", "from": null }]`,
},
}

func TestAllCases(t *testing.T) {
Expand Down