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package copy
import (
"errors"
"io/ioutil"
"os"
"path/filepath"
"strings"
"testing"
. "github.com/otiai10/mint"
)
func TestMain(m *testing.M) {
setup(m)
code := m.Run()
teardown(m)
os.Exit(code)
}
func setup(m *testing.M) {
os.MkdirAll("testdata.copy", os.ModePerm)
os.Symlink("testdata/case01", "testdata/case03/case01")
os.Chmod("testdata/case07/dir_0500", 0500)
os.Chmod("testdata/case07/file_0444", 0444)
}
func teardown(m *testing.M) {
os.RemoveAll("testdata/case03/case01")
os.RemoveAll("testdata.copy")
}
func TestCopy(t *testing.T) {
err := Copy("./testdata/case00", "./testdata.copy/case00")
Expect(t, err).ToBe(nil)
info, err := os.Stat("./testdata.copy/case00/README.md")
Expect(t, err).ToBe(nil)
Expect(t, info.IsDir()).ToBe(false)
When(t, "specified src doesn't exist", func(t *testing.T) {
err := Copy("NOT/EXISTING/SOURCE/PATH", "anywhere")
Expect(t, err).Not().ToBe(nil)
})
When(t, "specified src is just a file", func(t *testing.T) {
err := Copy("testdata/case01/README.md", "testdata.copy/case01/README.md")
Expect(t, err).ToBe(nil)
})
When(t, "too long name is given", func(t *testing.T) {
dest := "foobar"
for i := 0; i < 8; i++ {
dest = dest + dest
}
err := Copy("testdata/case00", filepath.Join("testdata/case00", dest))
Expect(t, err).Not().ToBe(nil)
Expect(t, err).TypeOf("*os.PathError")
})
When(t, "try to create not permitted location", func(t *testing.T) {
err := Copy("testdata/case00", "/case00")
Expect(t, err).Not().ToBe(nil)
Expect(t, err).TypeOf("*os.PathError")
})
When(t, "try to create a directory on existing file name", func(t *testing.T) {
err := Copy("testdata/case02", "testdata.copy/case00/README.md")
Expect(t, err).Not().ToBe(nil)
Expect(t, err).TypeOf("*os.PathError")
})
When(t, "source directory includes symbolic link", func(t *testing.T) {
err := Copy("testdata/case03", "testdata.copy/case03")
Expect(t, err).ToBe(nil)
info, err := os.Lstat("testdata.copy/case03/case01")
Expect(t, err).ToBe(nil)
Expect(t, info.Mode()&os.ModeSymlink).Not().ToBe(0)
})
When(t, "symlink with Opt.OnSymlink provided", func(t *testing.T) {
opt := Options{OnSymlink: func(string) SymlinkAction { return Deep }}
err := Copy("testdata/case03", "testdata.copy/case03.deep", opt)
Expect(t, err).ToBe(nil)
info, err := os.Lstat("testdata.copy/case03.deep/case01")
Expect(t, err).ToBe(nil)
Expect(t, info.Mode()&os.ModeSymlink).ToBe(os.FileMode(0))
opt = Options{OnSymlink: func(string) SymlinkAction { return Shallow }}
err = Copy("testdata/case03", "testdata.copy/case03.shallow", opt)
Expect(t, err).ToBe(nil)
info, err = os.Lstat("testdata.copy/case03.shallow/case01")
Expect(t, err).ToBe(nil)
Expect(t, info.Mode()&os.ModeSymlink).Not().ToBe(os.FileMode(0))
opt = Options{OnSymlink: func(string) SymlinkAction { return Skip }}
err = Copy("testdata/case03", "testdata.copy/case03.skip", opt)
Expect(t, err).ToBe(nil)
_, err = os.Stat("testdata.copy/case03.skip/case01")
Expect(t, os.IsNotExist(err)).ToBe(true)
err = Copy("testdata/case03", "testdata.copy/case03.default")
Expect(t, err).ToBe(nil)
info, err = os.Lstat("testdata.copy/case03.default/case01")
Expect(t, err).ToBe(nil)
Expect(t, info.Mode()&os.ModeSymlink).Not().ToBe(os.FileMode(0))
opt = Options{OnSymlink: nil}
err = Copy("testdata/case03", "testdata.copy/case03.not-specified", opt)
Expect(t, err).ToBe(nil)
info, err = os.Lstat("testdata.copy/case03.not-specified/case01")
Expect(t, err).ToBe(nil)
Expect(t, info.Mode()&os.ModeSymlink).Not().ToBe(os.FileMode(0))
})
When(t, "try to copy to an existing path", func(t *testing.T) {
err := Copy("testdata/case03", "testdata.copy/case03")
Expect(t, err).Not().ToBe(nil)
})
When(t, "try to copy READ-not-allowed source", func(t *testing.T) {
err := Copy("testdata/doesNotExist", "testdata.copy/doesNotExist")
Expect(t, err).Not().ToBe(nil)
})
When(t, "try to copy a file to existing path", func(t *testing.T) {
err := Copy("testdata/case04/README.md", "testdata/case04")
Expect(t, err).Not().ToBe(nil)
err = Copy("testdata/case04/README.md", "testdata/case04/README.md/foobar")
Expect(t, err).Not().ToBe(nil)
})
When(t, "try to copy a directory that has no write permission and copy file inside along with it", func(t *testing.T) {
src := "testdata/case05"
dest := "testdata.copy/case05"
err := os.Chmod(src, os.FileMode(0555))
Expect(t, err).ToBe(nil)
err = Copy(src, dest)
Expect(t, err).ToBe(nil)
info, err := os.Lstat(dest)
Expect(t, err).ToBe(nil)
Expect(t, info.Mode().Perm()).ToBe(os.FileMode(0555))
err = os.Chmod(dest, 0755)
Expect(t, err).ToBe(nil)
})
When(t, "Options.Skip provided", func(t *testing.T) {
opt := Options{Skip: func(src string) (bool, error) {
switch {
case strings.HasSuffix(src, "_skip"):
return true, nil
case strings.HasSuffix(src, ".gitfake"):
return true, nil
default:
return false, nil
}
}}
err := Copy("testdata/case06", "testdata.copy/case06", opt)
Expect(t, err).ToBe(nil)
info, err := os.Stat("./testdata.copy/case06/dir_skip")
Expect(t, info).ToBe(nil)
Expect(t, os.IsNotExist(err)).ToBe(true)
info, err = os.Stat("./testdata.copy/case06/file_skip")
Expect(t, info).ToBe(nil)
Expect(t, os.IsNotExist(err)).ToBe(true)
info, err = os.Stat("./testdata.copy/case06/README.md")
Expect(t, info).Not().ToBe(nil)
Expect(t, err).ToBe(nil)
info, err = os.Stat("./testdata.copy/case06/repo/.gitfake")
Expect(t, info).ToBe(nil)
Expect(t, os.IsNotExist(err)).ToBe(true)
info, err = os.Stat("./testdata.copy/case06/repo/README.md")
Expect(t, info).Not().ToBe(nil)
Expect(t, err).ToBe(nil)
Because(t, "if Skip func returns error, Copy should be interrupted", func(t *testing.T) {
errInsideSkipFunc := errors.New("Something wrong inside Skip")
opt := Options{Skip: func(src string) (bool, error) {
return false, errInsideSkipFunc
}}
err := Copy("testdata/case06", "testdata.copy/case06.01", opt)
Expect(t, err).ToBe(errInsideSkipFunc)
files, err := ioutil.ReadDir("./testdata.copy/case06.01")
Expect(t, err).ToBe(nil)
Expect(t, len(files)).ToBe(0)
})
})
When(t, "Options.AddPermission provided", func(t *testing.T) {
info, err := os.Stat("testdata/case07/dir_0500")
Expect(t, err).ToBe(nil)
Expect(t, info.Mode()).ToBe(os.FileMode(0500) | os.ModeDir)
info, err = os.Stat("testdata/case07/file_0444")
Expect(t, err).ToBe(nil)
Expect(t, info.Mode()).ToBe(os.FileMode(0444))
opt := Options{AddPermission: 0200}
err = Copy("testdata/case07", "testdata.copy/case07", opt)
Expect(t, err).ToBe(nil)
info, err = os.Stat("testdata.copy/case07/dir_0500")
Expect(t, err).ToBe(nil)
Expect(t, info.Mode()).ToBe(os.FileMode(0500|0200) | os.ModeDir)
info, err = os.Stat("testdata.copy/case07/file_0444")
Expect(t, err).ToBe(nil)
Expect(t, info.Mode()).ToBe(os.FileMode(0444 | 0200))
})
When(t, "Options.Sync provided", func(t *testing.T) {
// With Sync option, each file will be flushed to storage on copying.
// TODO: Since it's a bit hard to simulate real usecases here. This testcase is nonsense.
opt := Options{Sync: true}
err = Copy("testdata/case08", "testdata.copy/case08", opt)
Expect(t, err).ToBe(nil)
})
}
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