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package feed
import (
"encoding/json"
"testing"
)
func TestDataVersionUnmarshalInvalidData(t *testing.T) {
test := []byte(`{}`)
var val DataVersion
if err := json.Unmarshal(test, &val); err == nil {
t.Errorf("got \"%s\", exp error", val)
}
}
func TestDataVersionUnmarshalUnknown(t *testing.T) {
test := []byte(`"foo"`)
exp := "unknown data version: foo"
var val DataVersion
err := json.Unmarshal(test, &val)
if err == nil {
t.Errorf("got \"%s\", exp error", val)
return
}
if err.Error() != exp {
t.Errorf("got \"%s\", exp \"%s\"", err.Error(), exp)
}
}
func TestDataVersionUnmarshalValid(t *testing.T) {
test := []byte(`"4.0"`)
exp := V40
var got DataVersion
if err := json.Unmarshal(test, &got); err != nil {
t.Error(err)
return
}
if got != exp {
t.Errorf("got \"%s\", exp \"%s\"", got, exp)
}
}
func TestDataVersionString(t *testing.T) {
tests := []struct {
val DataVersion
exp string
} {
{ V40, "4.0" },
{ DataVersion(255), "DataVersion(255)" },
}
for _, test := range(tests) {
t.Run(test.val.String(), func(t *testing.T) {
got := test.val.String()
if got != test.exp {
t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
}
})
}
}
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