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If purging is enabled, overwriting a file with a file of the same or smaller size will not result in an error. It is now possible to change the purging mode on an existing sized filesystem.
51 lines
1.1 KiB
Go
51 lines
1.1 KiB
Go
package fs
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import (
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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 TestReadOnly(t *testing.T) {
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mem, err := NewMemFilesystemFromDir(".", MemConfig{})
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require.NoError(t, err)
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ro, err := NewReadOnlyFilesystem(mem)
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require.NoError(t, err)
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err = ro.Symlink("/readonly.go", "/foobar.go")
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require.Error(t, err)
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_, _, err = ro.WriteFile("/readonly.go", []byte("foobar"))
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require.Error(t, err)
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_, _, err = ro.WriteFileReader("/readonly.go", strings.NewReader("foobar"))
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require.Error(t, err)
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_, _, err = ro.WriteFileSafe("/readonly.go", []byte("foobar"))
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require.Error(t, err)
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err = ro.MkdirAll("/foobar/baz", 0700)
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require.Error(t, err)
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res := ro.Remove("/readonly.go")
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require.Equal(t, int64(-1), res)
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res = ro.RemoveAll()
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require.Equal(t, int64(0), res)
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rop, ok := ro.(PurgeFilesystem)
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require.True(t, ok, "must implement PurgeFilesystem")
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size, _ := ro.Size()
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res = rop.Purge(size)
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require.Equal(t, int64(0), res)
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ros, ok := ro.(SizedFilesystem)
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require.True(t, ok, "must implement SizedFilesystem")
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err = ros.Resize(100, false)
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require.Error(t, err)
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}
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