e509da9c7d
Following symlinks does not look like it was intended behavior here, and fails if the symlink target has not been copied yet. Signed-off-by: Nick Santos <nicholas.j.santos@gmail.com>
72 lines
1.8 KiB
Go
72 lines
1.8 KiB
Go
package fs
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import (
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"io/ioutil"
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"os"
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"testing"
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_ "crypto/sha256"
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"github.com/containerd/containerd/fs/fstest"
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"github.com/pkg/errors"
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)
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// TODO: Create copy directory which requires privilege
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// chown
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// mknod
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// setxattr fstest.SetXAttr("/home", "trusted.overlay.opaque", "y"),
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func TestCopyDirectory(t *testing.T) {
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apply := fstest.Apply(
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fstest.CreateDir("/etc/", 0755),
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fstest.CreateFile("/etc/hosts", []byte("localhost 127.0.0.1"), 0644),
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fstest.Link("/etc/hosts", "/etc/hosts.allow"),
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fstest.CreateDir("/usr/local/lib", 0755),
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fstest.CreateFile("/usr/local/lib/libnothing.so", []byte{0x00, 0x00}, 0755),
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fstest.Symlink("libnothing.so", "/usr/local/lib/libnothing.so.2"),
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fstest.CreateDir("/home", 0755),
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)
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if err := testCopy(apply); err != nil {
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t.Fatalf("Copy test failed: %+v", err)
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}
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}
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// This test used to fail because link-no-nothing.txt would be copied first,
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// then file operations in dst during the CopyDir would follow the symlink and
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// fail.
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func TestCopyDirectoryWithLocalSymlink(t *testing.T) {
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apply := fstest.Apply(
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fstest.CreateFile("nothing.txt", []byte{0x00, 0x00}, 0755),
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fstest.Symlink("nothing.txt", "link-no-nothing.txt"),
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)
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if err := testCopy(apply); err != nil {
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t.Fatalf("Copy test failed: %+v", err)
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}
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}
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func testCopy(apply fstest.Applier) error {
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t1, err := ioutil.TempDir("", "test-copy-src-")
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if err != nil {
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return errors.Wrap(err, "failed to create temporary directory")
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}
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defer os.RemoveAll(t1)
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t2, err := ioutil.TempDir("", "test-copy-dst-")
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if err != nil {
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return errors.Wrap(err, "failed to create temporary directory")
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}
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defer os.RemoveAll(t2)
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if err := apply.Apply(t1); err != nil {
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return errors.Wrap(err, "failed to apply changes")
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}
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if err := CopyDir(t2, t1); err != nil {
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return errors.Wrap(err, "failed to copy")
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}
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return fstest.CheckDirectoryEqual(t1, t2)
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}
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