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34 lines
658 B
Go
34 lines
658 B
Go
package module
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import (
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"io"
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"os"
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"strings"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestMemFS(t *testing.T) {
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m := &memFS{}
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require.Nil(t, m.current)
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const path, content = "/usr/foo/bar.txt", "my-content"
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err := m.initialize(path, strings.NewReader(content))
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require.NoError(t, err)
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require.NotNil(t, m.current)
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t.Run("happy", func(t *testing.T) {
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f, err := m.Open(path)
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require.NoError(t, err)
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actual, err := io.ReadAll(f)
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require.NoError(t, err)
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require.Equal(t, content, string(actual))
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})
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t.Run("not found", func(t *testing.T) {
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_, err = m.Open(path + "tmp")
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require.ErrorIs(t, err, os.ErrNotExist)
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})
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}
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