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image_test.go
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image_test.go
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package overmount
import (
"os"
. "gopkg.in/check.v1"
"github.com/pkg/errors"
)
func (m *mountSuite) TestImageMountUnmount(c *C) {
image, layer := m.makeImage(c, 2)
if m.Repository.IsVirtual() {
c.Assert(errors.Cause(image.Mount()), Equals, ErrMountCannotProceed)
return
}
image2 := m.Repository.NewImage(layer.Parent) // only one layer
err := image2.Mount()
c.Assert(errors.Cause(err), Equals, ErrMountCannotProceed)
c.Assert(errors.Cause(image2.Unmount()), Equals, ErrMountCannotProceed)
c.Assert(image.Mount(), IsNil)
c.Assert(image.Unmount(), IsNil)
layer.id = "../../../../"
c.Assert(errors.Cause(image.Mount()), Equals, ErrMountCannotProceed)
image2 = m.Repository.NewImage(layer) // only one layer
c.Assert(errors.Cause(image2.Mount()), Equals, ErrMountCannotProceed)
}
func (m *mountSuite) TestImageCommit(c *C) {
image, layer := m.makeImage(c, 10)
for iter := layer; iter != nil; iter = iter.Parent {
_, err := os.Stat(iter.parentPath())
c.Assert(err, NotNil)
}
c.Assert(image.Commit(), IsNil)
for iter := layer; iter != nil; iter = iter.Parent {
if iter.Parent != nil {
_, err := os.Stat(iter.parentPath())
c.Assert(err, IsNil)
}
}
}