mirror of
https://github.com/spf13/viper
synced 2024-05-18 02:36:43 +00:00
129 lines
2 KiB
Go
129 lines
2 KiB
Go
package yaml
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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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- item1
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- item2
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- item3
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map:
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key: value
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# nested
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# map
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nested_map:
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map:
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key: value
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list:
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- item1
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- item2
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- 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:
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- item1
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- item2
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- item3
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map:
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key: value
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nested_map:
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map:
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key: value
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list:
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- item1
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- item2
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- 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 YAML it's slightly different from Viper's internal representation
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// (eg. map is decoded into a map with interface key)
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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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"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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// 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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