func (S) TestExecRun(c *C) {
path := filepath.Join(c.MkDir(), "file")
p := pipe.Exec("/bin/sh", "-c", "echo hello > "+path)
err := pipe.Run(p)
c.Assert(err, IsNil)
data, err := ioutil.ReadFile(path)
c.Assert(err, IsNil)
c.Assert(string(data), Equals, "hello\n")
}
func (S) TestTeeAppendFileMode(c *C) {
path := filepath.Join(c.MkDir(), "file")
p := pipe.Line(
pipe.Print("hello"),
pipe.TeeAppendFile(path, 0600),
)
err := pipe.Run(p)
c.Assert(err, IsNil)
stat, err := os.Stat(path)
c.Assert(err, IsNil)
c.Assert(stat.Mode()&os.ModePerm, Equals, os.FileMode(0600))
}
func (S) TestScriptNesting(c *C) {
b := &bytes.Buffer{}
p := pipe.Line(
pipe.Print("hello"),
pipe.Script(
pipe.Print("world"),
pipe.Exec("sed", "s/l/k/g"),
),
pipe.Write(b),
)
err := pipe.Run(p)
c.Assert(err, IsNil)
c.Assert(b.String(), Equals, "worldhekko")
}
func (S) TestLineNesting(c *C) {
b := &bytes.Buffer{}
p := pipe.Line(
pipe.Print("hello"),
pipe.Line(
pipe.Filter(func(line []byte) bool { return true }),
pipe.Exec("sed", "s/l/k/g"),
),
pipe.Write(b),
)
err := pipe.Run(p)
c.Assert(err, IsNil)
c.Assert(b.String(), Equals, "hekko")
}
func (S) TestRenameFileAbsolute(c *C) {
dir := c.MkDir()
from := filepath.Join(dir, "from")
to := filepath.Join(dir, "to")
p := pipe.Script(
pipe.WriteFile(from, 0644),
pipe.RenameFile(from, to),
)
err := pipe.Run(p)
c.Assert(err, IsNil)
_, err = os.Stat(from)
c.Assert(err, NotNil)
_, err = os.Stat(to)
c.Assert(err, IsNil)
}