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package tests
import (
"fmt"
"reflect"
"testing"
)
func TestRequiredField(t *testing.T) {
cases := []struct{ json, errorMessage string }{
{`{"first_name":"Foo", "last_name": "Bar"}`, ""},
{`{"last_name":"Bar"}`, "key 'first_name' is required"},
{"{}", "key 'first_name' is required"},
}
for _, tc := range cases {
var v RequiredOptionalStruct
err := v.UnmarshalJSON([]byte(tc.json))
if tc.errorMessage == "" {
if err != nil {
t.Errorf("%s. UnmarshalJSON didn`t expect error: %v", tc.json, err)
}
} else {
if fmt.Sprintf("%v", err) != tc.errorMessage {
t.Errorf("%s. UnmarshalJSON expected error: %v. got: %v", tc.json, tc.errorMessage, err)
}
}
}
}
func TestRequiredOptionalMap(t *testing.T) {
baseJson := `{"req_map":{}, "oe_map":{}, "noe_map":{}, "oe_slice":[]}`
wantDecoding := RequiredOptionalMap{MapIntString{}, nil, MapIntString{}}
var v RequiredOptionalMap
if err := v.UnmarshalJSON([]byte(baseJson)); err != nil {
t.Errorf("%s. UnmarshalJSON didn't expect error: %v", baseJson, err)
}
if !reflect.DeepEqual(v, wantDecoding) {
t.Errorf("%s. UnmarshalJSON expected to gen: %v. got: %v", baseJson, wantDecoding, v)
}
baseStruct := RequiredOptionalMap{MapIntString{}, MapIntString{}, MapIntString{}}
wantJson := `{"req_map":{},"noe_map":{}}`
data, err := baseStruct.MarshalJSON()
if err != nil {
t.Errorf("MarshalJSON didn't expect error: %v on %v", err, data)
} else if string(data) != wantJson {
t.Errorf("%v. MarshalJSON wanted: %s got %s", baseStruct, wantJson, string(data))
}
}
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