package hcl import ( "testing" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" ) // original form of the data const original = `# key-value pair "key" = "value" // list "list" = ["item1", "item2", "item3"] /* map */ "map" = { "key" = "value" } /* nested map */ "nested_map" "map" { "key" = "value" "list" = ["item1", "item2", "item3"] }` // encoded form of the data const encoded = `"key" = "value" "list" = ["item1", "item2", "item3"] "map" = { "key" = "value" } "nested_map" "map" { "key" = "value" "list" = ["item1", "item2", "item3"] }` // decoded form of the data // // in case of HCL it's slightly different from Viper's internal representation // (eg. map is decoded into a list of maps) var decoded = map[string]any{ "key": "value", "list": []any{ "item1", "item2", "item3", }, "map": []map[string]any{ { "key": "value", }, }, "nested_map": []map[string]any{ { "map": []map[string]any{ { "key": "value", "list": []any{ "item1", "item2", "item3", }, }, }, }, }, } // Viper's internal representation var data = map[string]any{ "key": "value", "list": []any{ "item1", "item2", "item3", }, "map": map[string]any{ "key": "value", }, "nested_map": map[string]any{ "map": map[string]any{ "key": "value", "list": []any{ "item1", "item2", "item3", }, }, }, } func TestCodec_Encode(t *testing.T) { codec := Codec{} b, err := codec.Encode(data) require.NoError(t, err) assert.Equal(t, encoded, string(b)) } func TestCodec_Decode(t *testing.T) { t.Run("OK", func(t *testing.T) { codec := Codec{} v := map[string]any{} err := codec.Decode([]byte(original), v) require.NoError(t, err) assert.Equal(t, decoded, v) }) t.Run("InvalidData", func(t *testing.T) { codec := Codec{} v := map[string]any{} err := codec.Decode([]byte(`invalid data`), v) require.Error(t, err) t.Logf("decoding failed as expected: %s", err) }) }