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jsonpb_test.go
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jsonpb_test.go
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package resource
import (
"testing"
"bytes"
"github.com/golang/protobuf/jsonpb"
)
func TestIdentifier_MarshalJSONPB(t *testing.T) {
tcases := []struct {
Identifier *Identifier
ExpectedJSONString string
}{
{
&Identifier{
ApplicationName: "app",
ResourceType: "resource",
ResourceId: "res1",
},
`"app/resource/res1"`,
},
{
&Identifier{
ApplicationName: "",
ResourceType: "",
ResourceId: "",
},
`"null"`,
},
}
var (
marshaler = &jsonpb.Marshaler{}
buffer = &bytes.Buffer{}
)
for _, tc := range tcases {
buffer.Reset()
if err := marshaler.Marshal(buffer, tc.Identifier); err != nil {
t.Errorf("failed to marshal identifier %s - %s", tc.Identifier, err)
}
if s := buffer.String(); s != tc.ExpectedJSONString {
t.Errorf("ivalid identifier %s, expected %s", s, tc.ExpectedJSONString)
}
}
}
func TestIdentifier_UnmarhsalJSONPB(t *testing.T) {
tcases := []struct {
JSONData string
ExpectedIdentifier *Identifier
}{
{
`"app/resource/res2"`,
&Identifier{
ApplicationName: "app",
ResourceType: "resource",
ResourceId: "res2",
},
},
{
`"null"`,
&Identifier{
ApplicationName: "",
ResourceType: "",
ResourceId: "",
},
},
}
var (
unmarshaler = &jsonpb.Unmarshaler{}
buffer = &bytes.Buffer{}
)
for _, tc := range tcases {
buffer.Reset()
buffer.WriteString(tc.JSONData)
id := &Identifier{}
if err := unmarshaler.Unmarshal(buffer, id); err != nil {
t.Errorf("failed to unmarshal identifier %s", err)
}
if id.String() != tc.ExpectedIdentifier.String() {
t.Errorf("invalid identifier %s, expected %s", id, tc.ExpectedIdentifier)
}
}
}