mirror of
https://github.com/spf13/viper
synced 2024-09-28 18:36:19 +00:00
refactor(encoding): remove external encoding libraries
Signed-off-by: Mark Sagi-Kazar <mark.sagikazar@gmail.com>
This commit is contained in:
Mark Sagi-Kazar
parent
f98411d629
commit
517cbc6315
12
go.mod
12
go.mod
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@ -11,26 +11,26 @@ require (
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github.com/go-viper/encoding/toml v0.1.0
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github.com/go-viper/encoding/yaml v0.1.0
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github.com/go-viper/mapstructure/v2 v2.0.0
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github.com/hashicorp/hcl v1.0.0
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github.com/magiconair/properties v1.8.7
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github.com/pelletier/go-toml/v2 v2.2.2
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github.com/sagikazarmark/locafero v0.6.0
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github.com/spf13/afero v1.11.0
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github.com/spf13/cast v1.6.0
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github.com/spf13/pflag v1.0.5
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github.com/stretchr/testify v1.9.0
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github.com/subosito/gotenv v1.6.0
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gopkg.in/ini.v1 v1.67.0
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gopkg.in/yaml.v3 v3.0.1
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)
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require (
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github.com/davecgh/go-spew v1.1.1 // indirect
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github.com/google/go-cmp v0.6.0 // indirect
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github.com/hashicorp/hcl v1.0.0 // indirect
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github.com/magiconair/properties v1.8.7 // indirect
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github.com/pelletier/go-toml/v2 v2.2.2 // indirect
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github.com/pmezard/go-difflib v1.0.0 // indirect
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github.com/sourcegraph/conc v0.3.0 // indirect
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github.com/subosito/gotenv v1.6.0 // indirect
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go.uber.org/atomic v1.9.0 // indirect
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go.uber.org/multierr v1.9.0 // indirect
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golang.org/x/sys v0.20.0 // indirect
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golang.org/x/text v0.15.0 // indirect
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gopkg.in/ini.v1 v1.67.0 // indirect
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gopkg.in/yaml.v3 v3.0.1 // indirect
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)
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@ -1,61 +0,0 @@
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package dotenv
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import (
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"bytes"
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"fmt"
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"sort"
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"strings"
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"github.com/subosito/gotenv"
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)
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const keyDelimiter = "_"
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// Codec implements the encoding.Encoder and encoding.Decoder interfaces for encoding data containing environment variables
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// (commonly called as dotenv format).
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type Codec struct{}
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func (Codec) Encode(v map[string]any) ([]byte, error) {
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flattened := map[string]any{}
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flattened = flattenAndMergeMap(flattened, v, "", keyDelimiter)
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keys := make([]string, 0, len(flattened))
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for key := range flattened {
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keys = append(keys, key)
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}
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sort.Strings(keys)
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var buf bytes.Buffer
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for _, key := range keys {
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_, err := buf.WriteString(fmt.Sprintf("%v=%v\n", strings.ToUpper(key), flattened[key]))
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if err != nil {
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return nil, err
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}
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}
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return buf.Bytes(), nil
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}
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func (Codec) Decode(b []byte, v map[string]any) error {
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var buf bytes.Buffer
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_, err := buf.Write(b)
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if err != nil {
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return err
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}
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env, err := gotenv.StrictParse(&buf)
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if err != nil {
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return err
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}
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for key, value := range env {
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v[key] = value
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}
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return nil
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}
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@ -1,55 +0,0 @@
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package dotenv
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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// original form of the data.
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const original = `# key-value pair
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KEY=value
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`
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// encoded form of the data.
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const encoded = `KEY=value
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`
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// data is Viper's internal representation.
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var data = map[string]any{
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"KEY": "value",
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}
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func TestCodec_Encode(t *testing.T) {
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codec := Codec{}
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b, err := codec.Encode(data)
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require.NoError(t, err)
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assert.Equal(t, encoded, string(b))
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}
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func TestCodec_Decode(t *testing.T) {
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t.Run("OK", func(t *testing.T) {
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codec := Codec{}
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v := map[string]any{}
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err := codec.Decode([]byte(original), v)
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require.NoError(t, err)
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assert.Equal(t, data, v)
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})
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t.Run("InvalidData", func(t *testing.T) {
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codec := Codec{}
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v := map[string]any{}
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err := codec.Decode([]byte(`invalid data`), v)
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require.Error(t, err)
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t.Logf("decoding failed as expected: %s", err)
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})
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}
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@ -1,41 +0,0 @@
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package dotenv
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import (
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"strings"
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"github.com/spf13/cast"
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)
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// flattenAndMergeMap recursively flattens the given map into a new map
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// Code is based on the function with the same name in the main package.
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// TODO: move it to a common place.
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func flattenAndMergeMap(shadow, m map[string]any, prefix, delimiter string) map[string]any {
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if shadow != nil && prefix != "" && shadow[prefix] != nil {
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// prefix is shadowed => nothing more to flatten
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return shadow
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}
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if shadow == nil {
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shadow = make(map[string]any)
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}
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var m2 map[string]any
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if prefix != "" {
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prefix += delimiter
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}
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for k, val := range m {
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fullKey := prefix + k
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switch val := val.(type) {
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case map[string]any:
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m2 = val
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case map[any]any:
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m2 = cast.ToStringMap(val)
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default:
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// immediate value
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shadow[strings.ToLower(fullKey)] = val
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continue
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}
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// recursively merge to shadow map
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shadow = flattenAndMergeMap(shadow, m2, fullKey, delimiter)
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}
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return shadow
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}
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@ -1,40 +0,0 @@
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package hcl
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import (
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"bytes"
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"encoding/json"
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"github.com/hashicorp/hcl"
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"github.com/hashicorp/hcl/hcl/printer"
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)
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// Codec implements the encoding.Encoder and encoding.Decoder interfaces for HCL encoding.
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// TODO: add printer config to the codec?
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type Codec struct{}
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func (Codec) Encode(v map[string]any) ([]byte, error) {
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b, err := json.Marshal(v)
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if err != nil {
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return nil, err
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}
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// TODO: use printer.Format? Is the trailing newline an issue?
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ast, err := hcl.Parse(string(b))
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if err != nil {
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return nil, err
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}
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var buf bytes.Buffer
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err = printer.Fprint(&buf, ast.Node)
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if err != nil {
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return nil, err
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}
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return buf.Bytes(), nil
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}
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func (Codec) Decode(b []byte, v map[string]any) error {
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return hcl.Unmarshal(b, &v)
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}
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@ -1,132 +0,0 @@
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package hcl
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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// original form of the data.
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const original = `# key-value pair
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"key" = "value"
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// list
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"list" = ["item1", "item2", "item3"]
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/* map */
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"map" = {
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"key" = "value"
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}
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/*
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nested map
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*/
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"nested_map" "map" {
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"key" = "value"
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"list" = ["item1", "item2", "item3"]
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}`
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// encoded form of the data.
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const encoded = `"key" = "value"
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"list" = ["item1", "item2", "item3"]
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"map" = {
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"key" = "value"
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}
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"nested_map" "map" {
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"key" = "value"
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"list" = ["item1", "item2", "item3"]
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}`
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// decoded form of the data.
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//
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// In case of HCL it's slightly different from Viper's internal representation
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// (e.g. map is decoded into a list of maps).
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var decoded = map[string]any{
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"key": "value",
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"list": []any{
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"item1",
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"item2",
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"item3",
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},
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"map": []map[string]any{
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{
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"key": "value",
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},
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},
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"nested_map": []map[string]any{
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{
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"map": []map[string]any{
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{
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"key": "value",
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"list": []any{
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"item1",
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"item2",
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"item3",
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},
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},
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},
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},
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},
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}
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// data is Viper's internal representation.
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var data = map[string]any{
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"key": "value",
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"list": []any{
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"item1",
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"item2",
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"item3",
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},
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"map": map[string]any{
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"key": "value",
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},
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"nested_map": map[string]any{
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"map": map[string]any{
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"key": "value",
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"list": []any{
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"item1",
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"item2",
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"item3",
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},
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},
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},
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}
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func TestCodec_Encode(t *testing.T) {
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codec := Codec{}
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b, err := codec.Encode(data)
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require.NoError(t, err)
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assert.Equal(t, encoded, string(b))
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}
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func TestCodec_Decode(t *testing.T) {
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t.Run("OK", func(t *testing.T) {
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codec := Codec{}
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v := map[string]any{}
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err := codec.Decode([]byte(original), v)
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require.NoError(t, err)
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assert.Equal(t, decoded, v)
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})
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t.Run("InvalidData", func(t *testing.T) {
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codec := Codec{}
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v := map[string]any{}
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err := codec.Decode([]byte(`invalid data`), v)
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require.Error(t, err)
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t.Logf("decoding failed as expected: %s", err)
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})
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}
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@ -1,99 +0,0 @@
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package ini
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import (
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"bytes"
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"sort"
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"strings"
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"github.com/spf13/cast"
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"gopkg.in/ini.v1"
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)
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// LoadOptions contains all customized options used for load data source(s).
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// This type is added here for convenience: this way consumers can import a single package called "ini".
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type LoadOptions = ini.LoadOptions
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// Codec implements the encoding.Encoder and encoding.Decoder interfaces for INI encoding.
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type Codec struct {
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KeyDelimiter string
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LoadOptions LoadOptions
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}
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func (c Codec) Encode(v map[string]any) ([]byte, error) {
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cfg := ini.Empty()
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ini.PrettyFormat = false
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flattened := map[string]any{}
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flattened = flattenAndMergeMap(flattened, v, "", c.keyDelimiter())
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keys := make([]string, 0, len(flattened))
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for key := range flattened {
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keys = append(keys, key)
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}
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sort.Strings(keys)
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for _, key := range keys {
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sectionName, keyName := "", key
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lastSep := strings.LastIndex(key, ".")
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if lastSep != -1 {
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sectionName = key[:(lastSep)]
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keyName = key[(lastSep + 1):]
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}
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// TODO: is this a good idea?
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if sectionName == "default" {
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sectionName = ""
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}
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cfg.Section(sectionName).Key(keyName).SetValue(cast.ToString(flattened[key]))
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}
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var buf bytes.Buffer
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_, err := cfg.WriteTo(&buf)
|
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if err != nil {
|
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return nil, err
|
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}
|
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|
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return buf.Bytes(), nil
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}
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|
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func (c Codec) Decode(b []byte, v map[string]any) error {
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cfg := ini.Empty(c.LoadOptions)
|
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|
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err := cfg.Append(b)
|
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if err != nil {
|
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return err
|
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}
|
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|
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sections := cfg.Sections()
|
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|
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for i := 0; i < len(sections); i++ {
|
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section := sections[i]
|
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keys := section.Keys()
|
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|
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for j := 0; j < len(keys); j++ {
|
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key := keys[j]
|
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value := cfg.Section(section.Name()).Key(key.Name()).String()
|
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|
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deepestMap := deepSearch(v, strings.Split(section.Name(), c.keyDelimiter()))
|
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|
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// set innermost value
|
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deepestMap[key.Name()] = value
|
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}
|
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}
|
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|
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return nil
|
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}
|
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|
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func (c Codec) keyDelimiter() string {
|
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if c.KeyDelimiter == "" {
|
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return "."
|
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}
|
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|
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return c.KeyDelimiter
|
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}
|
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|
|
@ -1,99 +0,0 @@
|
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package ini
|
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|
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import (
|
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"testing"
|
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|
||||
"github.com/stretchr/testify/assert"
|
||||
"github.com/stretchr/testify/require"
|
||||
)
|
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|
||||
// original form of the data.
|
||||
const original = `; key-value pair
|
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key=value ; key-value pair
|
||||
|
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# map
|
||||
[map] # map
|
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key=%(key)s
|
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|
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`
|
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|
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// encoded form of the data.
|
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const encoded = `key=value
|
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|
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[map]
|
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key=value
|
||||
`
|
||||
|
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// decoded form of the data.
|
||||
//
|
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// In case of INI it's slightly different from Viper's internal representation
|
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// (e.g. top level keys land in a section called default).
|
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var decoded = map[string]any{
|
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"DEFAULT": map[string]any{
|
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"key": "value",
|
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},
|
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"map": map[string]any{
|
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"key": "value",
|
||||
},
|
||||
}
|
||||
|
||||
// data is Viper's internal representation.
|
||||
var data = map[string]any{
|
||||
"key": "value",
|
||||
"map": map[string]any{
|
||||
"key": "value",
|
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},
|
||||
}
|
||||
|
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func TestCodec_Encode(t *testing.T) {
|
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t.Run("OK", func(t *testing.T) {
|
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codec := Codec{}
|
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|
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b, err := codec.Encode(data)
|
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require.NoError(t, err)
|
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|
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assert.Equal(t, encoded, string(b))
|
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})
|
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|
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t.Run("Default", func(t *testing.T) {
|
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codec := Codec{}
|
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|
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data := map[string]any{
|
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"default": map[string]any{
|
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"key": "value",
|
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},
|
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"map": map[string]any{
|
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"key": "value",
|
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},
|
||||
}
|
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|
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b, err := codec.Encode(data)
|
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require.NoError(t, err)
|
||||
|
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assert.Equal(t, encoded, string(b))
|
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})
|
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}
|
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|
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func TestCodec_Decode(t *testing.T) {
|
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t.Run("OK", func(t *testing.T) {
|
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codec := Codec{}
|
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|
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v := map[string]any{}
|
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|
||||
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)
|
||||
})
|
||||
}
|
||||
|
|
@ -1,74 +0,0 @@
|
|||
package ini
|
||||
|
||||
import (
|
||||
"strings"
|
||||
|
||||
"github.com/spf13/cast"
|
||||
)
|
||||
|
||||
// THIS CODE IS COPIED HERE: IT SHOULD NOT BE MODIFIED
|
||||
// AT SOME POINT IT WILL BE MOVED TO A COMMON PLACE
|
||||
// deepSearch scans deep maps, following the key indexes listed in the
|
||||
// sequence "path".
|
||||
// The last value is expected to be another map, and is returned.
|
||||
//
|
||||
// In case intermediate keys do not exist, or map to a non-map value,
|
||||
// a new map is created and inserted, and the search continues from there:
|
||||
// the initial map "m" may be modified!
|
||||
func deepSearch(m map[string]any, path []string) map[string]any {
|
||||
for _, k := range path {
|
||||
m2, ok := m[k]
|
||||
if !ok {
|
||||
// intermediate key does not exist
|
||||
// => create it and continue from there
|
||||
m3 := make(map[string]any)
|
||||
m[k] = m3
|
||||
m = m3
|
||||
continue
|
||||
}
|
||||
m3, ok := m2.(map[string]any)
|
||||
if !ok {
|
||||
// intermediate key is a value
|
||||
// => replace with a new map
|
||||
m3 = make(map[string]any)
|
||||
m[k] = m3
|
||||
}
|
||||
// continue search from here
|
||||
m = m3
|
||||
}
|
||||
return m
|
||||
}
|
||||
|
||||
// flattenAndMergeMap recursively flattens the given map into a new map
|
||||
// Code is based on the function with the same name in the main package.
|
||||
// TODO: move it to a common place.
|
||||
func flattenAndMergeMap(shadow, m map[string]any, prefix, delimiter string) map[string]any {
|
||||
if shadow != nil && prefix != "" && shadow[prefix] != nil {
|
||||
// prefix is shadowed => nothing more to flatten
|
||||
return shadow
|
||||
}
|
||||
if shadow == nil {
|
||||
shadow = make(map[string]any)
|
||||
}
|
||||
|
||||
var m2 map[string]any
|
||||
if prefix != "" {
|
||||
prefix += delimiter
|
||||
}
|
||||
for k, val := range m {
|
||||
fullKey := prefix + k
|
||||
switch val := val.(type) {
|
||||
case map[string]any:
|
||||
m2 = val
|
||||
case map[any]any:
|
||||
m2 = cast.ToStringMap(val)
|
||||
default:
|
||||
// immediate value
|
||||
shadow[strings.ToLower(fullKey)] = val
|
||||
continue
|
||||
}
|
||||
// recursively merge to shadow map
|
||||
shadow = flattenAndMergeMap(shadow, m2, fullKey, delimiter)
|
||||
}
|
||||
return shadow
|
||||
}
|
||||
|
|
@ -1,86 +0,0 @@
|
|||
package javaproperties
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"sort"
|
||||
"strings"
|
||||
|
||||
"github.com/magiconair/properties"
|
||||
"github.com/spf13/cast"
|
||||
)
|
||||
|
||||
// Codec implements the encoding.Encoder and encoding.Decoder interfaces for Java properties encoding.
|
||||
type Codec struct {
|
||||
KeyDelimiter string
|
||||
|
||||
// Store read properties on the object so that we can write back in order with comments.
|
||||
// This will only be used if the configuration read is a properties file.
|
||||
// TODO: drop this feature in v2
|
||||
// TODO: make use of the global properties object optional
|
||||
Properties *properties.Properties
|
||||
}
|
||||
|
||||
func (c *Codec) Encode(v map[string]any) ([]byte, error) {
|
||||
if c.Properties == nil {
|
||||
c.Properties = properties.NewProperties()
|
||||
}
|
||||
|
||||
flattened := map[string]any{}
|
||||
|
||||
flattened = flattenAndMergeMap(flattened, v, "", c.keyDelimiter())
|
||||
|
||||
keys := make([]string, 0, len(flattened))
|
||||
|
||||
for key := range flattened {
|
||||
keys = append(keys, key)
|
||||
}
|
||||
|
||||
sort.Strings(keys)
|
||||
|
||||
for _, key := range keys {
|
||||
_, _, err := c.Properties.Set(key, cast.ToString(flattened[key]))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
}
|
||||
|
||||
var buf bytes.Buffer
|
||||
|
||||
_, err := c.Properties.WriteComment(&buf, "#", properties.UTF8)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return buf.Bytes(), nil
|
||||
}
|
||||
|
||||
func (c *Codec) Decode(b []byte, v map[string]any) error {
|
||||
var err error
|
||||
c.Properties, err = properties.Load(b, properties.UTF8)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
for _, key := range c.Properties.Keys() {
|
||||
// ignore existence check: we know it's there
|
||||
value, _ := c.Properties.Get(key)
|
||||
|
||||
// recursively build nested maps
|
||||
path := strings.Split(key, c.keyDelimiter())
|
||||
lastKey := strings.ToLower(path[len(path)-1])
|
||||
deepestMap := deepSearch(v, path[0:len(path)-1])
|
||||
|
||||
// set innermost value
|
||||
deepestMap[lastKey] = value
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (c Codec) keyDelimiter() string {
|
||||
if c.KeyDelimiter == "" {
|
||||
return "."
|
||||
}
|
||||
|
||||
return c.KeyDelimiter
|
||||
}
|
||||
|
|
@ -1,75 +0,0 @@
|
|||
package javaproperties
|
||||
|
||||
import (
|
||||
"testing"
|
||||
|
||||
"github.com/stretchr/testify/assert"
|
||||
"github.com/stretchr/testify/require"
|
||||
)
|
||||
|
||||
// original form of the data.
|
||||
const original = `#key-value pair
|
||||
key = value
|
||||
map.key = value
|
||||
`
|
||||
|
||||
// encoded form of the data.
|
||||
const encoded = `key = value
|
||||
map.key = value
|
||||
`
|
||||
|
||||
// data is Viper's internal representation.
|
||||
var data = map[string]any{
|
||||
"key": "value",
|
||||
"map": map[string]any{
|
||||
"key": "value",
|
||||
},
|
||||
}
|
||||
|
||||
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, data, v)
|
||||
})
|
||||
|
||||
t.Run("InvalidData", func(t *testing.T) {
|
||||
t.Skip("TODO: needs invalid data example")
|
||||
|
||||
codec := Codec{}
|
||||
|
||||
v := map[string]any{}
|
||||
|
||||
codec.Decode([]byte(``), v)
|
||||
|
||||
assert.Empty(t, v)
|
||||
})
|
||||
}
|
||||
|
||||
func TestCodec_DecodeEncode(t *testing.T) {
|
||||
codec := Codec{}
|
||||
|
||||
v := map[string]any{}
|
||||
|
||||
err := codec.Decode([]byte(original), v)
|
||||
require.NoError(t, err)
|
||||
|
||||
b, err := codec.Encode(data)
|
||||
require.NoError(t, err)
|
||||
|
||||
assert.Equal(t, original, string(b))
|
||||
}
|
||||
|
|
@ -1,74 +0,0 @@
|
|||
package javaproperties
|
||||
|
||||
import (
|
||||
"strings"
|
||||
|
||||
"github.com/spf13/cast"
|
||||
)
|
||||
|
||||
// THIS CODE IS COPIED HERE: IT SHOULD NOT BE MODIFIED
|
||||
// AT SOME POINT IT WILL BE MOVED TO A COMMON PLACE
|
||||
// deepSearch scans deep maps, following the key indexes listed in the
|
||||
// sequence "path".
|
||||
// The last value is expected to be another map, and is returned.
|
||||
//
|
||||
// In case intermediate keys do not exist, or map to a non-map value,
|
||||
// a new map is created and inserted, and the search continues from there:
|
||||
// the initial map "m" may be modified!
|
||||
func deepSearch(m map[string]any, path []string) map[string]any {
|
||||
for _, k := range path {
|
||||
m2, ok := m[k]
|
||||
if !ok {
|
||||
// intermediate key does not exist
|
||||
// => create it and continue from there
|
||||
m3 := make(map[string]any)
|
||||
m[k] = m3
|
||||
m = m3
|
||||
continue
|
||||
}
|
||||
m3, ok := m2.(map[string]any)
|
||||
if !ok {
|
||||
// intermediate key is a value
|
||||
// => replace with a new map
|
||||
m3 = make(map[string]any)
|
||||
m[k] = m3
|
||||
}
|
||||
// continue search from here
|
||||
m = m3
|
||||
}
|
||||
return m
|
||||
}
|
||||
|
||||
// flattenAndMergeMap recursively flattens the given map into a new map
|
||||
// Code is based on the function with the same name in the main package.
|
||||
// TODO: move it to a common place.
|
||||
func flattenAndMergeMap(shadow, m map[string]any, prefix, delimiter string) map[string]any {
|
||||
if shadow != nil && prefix != "" && shadow[prefix] != nil {
|
||||
// prefix is shadowed => nothing more to flatten
|
||||
return shadow
|
||||
}
|
||||
if shadow == nil {
|
||||
shadow = make(map[string]any)
|
||||
}
|
||||
|
||||
var m2 map[string]any
|
||||
if prefix != "" {
|
||||
prefix += delimiter
|
||||
}
|
||||
for k, val := range m {
|
||||
fullKey := prefix + k
|
||||
switch val := val.(type) {
|
||||
case map[string]any:
|
||||
m2 = val
|
||||
case map[any]any:
|
||||
m2 = cast.ToStringMap(val)
|
||||
default:
|
||||
// immediate value
|
||||
shadow[strings.ToLower(fullKey)] = val
|
||||
continue
|
||||
}
|
||||
// recursively merge to shadow map
|
||||
shadow = flattenAndMergeMap(shadow, m2, fullKey, delimiter)
|
||||
}
|
||||
return shadow
|
||||
}
|
||||
|
|
@ -1,16 +0,0 @@
|
|||
package toml
|
||||
|
||||
import (
|
||||
"github.com/pelletier/go-toml/v2"
|
||||
)
|
||||
|
||||
// Codec implements the encoding.Encoder and encoding.Decoder interfaces for TOML encoding.
|
||||
type Codec struct{}
|
||||
|
||||
func (Codec) Encode(v map[string]any) ([]byte, error) {
|
||||
return toml.Marshal(v)
|
||||
}
|
||||
|
||||
func (Codec) Decode(b []byte, v map[string]any) error {
|
||||
return toml.Unmarshal(b, &v)
|
||||
}
|
||||
|
|
@ -1,97 +0,0 @@
|
|||
package toml
|
||||
|
||||
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 = ["item1", "item2", "item3"]
|
||||
|
||||
[map]
|
||||
key = "value"
|
||||
|
||||
# nested
|
||||
# map
|
||||
[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]
|
||||
[nested_map.map]
|
||||
key = 'value'
|
||||
list = ['item1', 'item2', 'item3']
|
||||
`
|
||||
|
||||
// data is 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, data, 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)
|
||||
})
|
||||
}
|
||||
|
|
@ -1,14 +0,0 @@
|
|||
package yaml
|
||||
|
||||
import "gopkg.in/yaml.v3"
|
||||
|
||||
// Codec implements the encoding.Encoder and encoding.Decoder interfaces for YAML encoding.
|
||||
type Codec struct{}
|
||||
|
||||
func (Codec) Encode(v map[string]any) ([]byte, error) {
|
||||
return yaml.Marshal(v)
|
||||
}
|
||||
|
||||
func (Codec) Decode(b []byte, v map[string]any) error {
|
||||
return yaml.Unmarshal(b, &v)
|
||||
}
|
||||
|
|
@ -1,128 +0,0 @@
|
|||
package yaml
|
||||
|
||||
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:
|
||||
- item1
|
||||
- item2
|
||||
- item3
|
||||
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 YAML it's slightly different from Viper's internal representation
|
||||
// (e.g. map is decoded into a map with interface key).
|
||||
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",
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
// data is 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)
|
||||
})
|
||||
}
|
||||
Loading…
Reference in a new issue