spf13--viper/internal/encoding/dotenv/codec_test.go

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package dotenv
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
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// original form of the data.
const original = `# key-value pair
KEY=value
`
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// encoded form of the data.
const encoded = `KEY=value
`
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// data is Viper's internal representation.
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var data = 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{}
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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{}
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v := map[string]any{}
err := codec.Decode([]byte(`invalid data`), v)
require.Error(t, err)
t.Logf("decoding failed as expected: %s", err)
})
}