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|
package ini
import (
"reflect"
"testing"
)
// original form of the data
const original = `; key-value pair
key=value ; key-value pair
# map
[map] # map
key=%(key)s
`
// encoded form of the data
const encoded = `key=value
[map]
key=value
`
// decoded form of the data
//
// in case of INI it's slightly different from Viper's internal representation
// (eg. top level keys land in a section called default)
var decoded = map[string]interface{}{
"DEFAULT": map[string]interface{}{
"key": "value",
},
"map": map[string]interface{}{
"key": "value",
},
}
// Viper's internal representation
var data = map[string]interface{}{
"key": "value",
"map": map[string]interface{}{
"key": "value",
},
}
func TestCodec_Encode(t *testing.T) {
t.Run("OK", func(t *testing.T) {
codec := Codec{}
b, err := codec.Encode(data)
if err != nil {
t.Fatal(err)
}
if encoded != string(b) {
t.Fatalf("decoded value does not match the expected one\nactual: %#v\nexpected: %#v", string(b), encoded)
}
})
t.Run("Default", func(t *testing.T) {
codec := Codec{}
data := map[string]interface{}{
"default": map[string]interface{}{
"key": "value",
},
"map": map[string]interface{}{
"key": "value",
},
}
b, err := codec.Encode(data)
if err != nil {
t.Fatal(err)
}
if encoded != string(b) {
t.Fatalf("decoded value does not match the expected one\nactual: %#v\nexpected: %#v", string(b), encoded)
}
})
}
func TestCodec_Decode(t *testing.T) {
t.Run("OK", func(t *testing.T) {
codec := Codec{}
v := map[string]interface{}{}
err := codec.Decode([]byte(original), v)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(decoded, v) {
t.Fatalf("decoded value does not match the expected one\nactual: %#v\nexpected: %#v", v, decoded)
}
})
t.Run("InvalidData", func(t *testing.T) {
codec := Codec{}
v := map[string]interface{}{}
err := codec.Decode([]byte(`invalid data`), v)
if err == nil {
t.Fatal("expected decoding to fail")
}
t.Logf("decoding failed as expected: %s", err)
})
}
|
