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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package config
import (
"bytes"
"os"
"path/filepath"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestConfig(t *testing.T) {
config := New()
config.Set("key1", "value1")
config.Set("key2", "value2")
config.Set("key3", "value3")
assert.Equal(t, []string{"key1", "key2", "key3"}, config.Keys())
v, ok := config.Get("key3")
assert.True(t, ok)
assert.Equal(t, "value3", v)
config.Del("key3")
_, ok = config.Get("key3")
assert.False(t, ok)
var buf bytes.Buffer
require.Nil(t, config.Write(&buf))
assert.Equal(t, "key1: value1\nkey2: value2\n", buf.String())
unmarshalled, err := Read(&buf)
require.Nil(t, err)
assert.Equal(t, config, unmarshalled)
filename := filepath.Join(t.TempDir(), "config.yaml")
require.Nil(t, config.WriteFile(filename))
data, err := os.ReadFile(filename)
require.Nil(t, err)
assert.Equal(t, "key1: value1\nkey2: value2\n", string(data))
}
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