func (S) TestLineIsolatesDir(c *C) {
dir1 := c.MkDir()
dir2 := c.MkDir()
p := pipe.Line(
pipe.ChDir(dir1),
pipe.Line(
pipe.ChDir(dir2),
),
pipe.System("echo $PWD"),
)
output, err := pipe.Output(p)
c.Assert(err, IsNil)
c.Assert(string(output), Equals, dir1+"\n")
}
func (S) TestMkDir(c *C) {
dir := c.MkDir()
subdir := filepath.Join(dir, "subdir")
subsubdir := filepath.Join(subdir, "subsubdir")
p := pipe.Script(
pipe.MkDir(subdir, 0755), // Absolute
pipe.ChDir(subdir),
pipe.MkDir("subsubdir", 0700), // Relative
pipe.ChDir("subsubdir"),
pipe.System("echo $PWD"),
)
output, err := pipe.Output(p)
c.Assert(err, IsNil)
c.Assert(string(output), Equals, subsubdir+"\n")
stat, err := os.Stat(subsubdir)
c.Assert(err, IsNil)
c.Assert(stat.Mode()&os.ModePerm, Equals, os.FileMode(0700))
}
func (S) TestChDir(c *C) {
wd1, err := os.Getwd()
c.Assert(err, IsNil)
dir := c.MkDir()
subdir := filepath.Join(dir, "subdir")
err = os.Mkdir(subdir, 0755)
p := pipe.Script(
pipe.ChDir(dir),
pipe.ChDir("subdir"),
pipe.System("echo $PWD"),
)
output, err := pipe.Output(p)
c.Assert(err, IsNil)
c.Assert(string(output), Equals, subdir+"\n")
wd2, err := os.Getwd()
c.Assert(err, IsNil)
c.Assert(wd2, Equals, wd1)
}
func (S) TestRenameFileRelative(c *C) {
dir := c.MkDir()
from := filepath.Join(dir, "from")
to := filepath.Join(dir, "to")
p := pipe.Script(
pipe.ChDir(dir),
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)
}
func (S) TestTeeWriteFileRelative(c *C) {
dir := c.MkDir()
path := filepath.Join(dir, "file")
p := pipe.Line(
pipe.ChDir(dir),
pipe.Print("hello"),
pipe.Exec("sed", "s/l/k/g"),
pipe.TeeWriteFile("file", 0600),
)
output, err := pipe.Output(p)
c.Assert(err, IsNil)
c.Assert(string(output), Equals, "hekko")
data, err := ioutil.ReadFile(path)
c.Assert(err, IsNil)
c.Assert(string(data), Equals, "hekko")
}
func (S) TestTeeAppendFileRelative(c *C) {
dir := c.MkDir()
path := filepath.Join(dir, "file")
p := pipe.Script(
pipe.ChDir(dir),
pipe.Line(
pipe.Print("hello "),
pipe.TeeAppendFile("file", 0600),
),
pipe.Line(
pipe.Print("world!"),
pipe.TeeAppendFile("file", 0600),
),
)
output, err := pipe.Output(p)
c.Assert(err, IsNil)
c.Assert(string(output), Equals, "hello world!")
data, err := ioutil.ReadFile(path)
c.Assert(err, IsNil)
c.Assert(string(data), Equals, "hello world!")
}