func (s *MainSuite) TestNoWarn1xWith2xData(c *gc.C) {
// patch out lookpath to always return a nil error (and thus indicates success).
s.PatchValue(&execLookPath, func(s string) (string, error) {
c.Assert(s, gc.Equals, "juju-1")
return "we ignore this anyway", nil
})
// there should be a 2x home directory already created by the test setup.
// create a fake old juju home.
oldhome := osenv.OldJujuHomeDir()
err := os.MkdirAll(oldhome, 0700)
c.Assert(err, jc.ErrorIsNil)
err = ioutil.WriteFile(filepath.Join(oldhome, "environments.yaml"), []byte("boo!"), 0600)
c.Assert(err, jc.ErrorIsNil)
// dump stderr to a file so we can examine it without any wacky re-running
// of the executable (since we need to mock things out.)
stderr, err := os.OpenFile(filepath.Join(oldhome, "stderr"), os.O_RDWR|os.O_CREATE, 0600)
c.Assert(err, jc.ErrorIsNil)
defer stderr.Close()
// dump stdout to a file so it doesn't spam the test output.
stdout, err := os.OpenFile(filepath.Join(oldhome, "stdout"), os.O_RDWR|os.O_CREATE, 0600)
c.Assert(err, jc.ErrorIsNil)
runMain(stderr, stdout, []string{"juju", "version"})
_, err = stderr.Seek(0, 0)
c.Assert(err, jc.ErrorIsNil)
output, err := ioutil.ReadAll(stderr)
c.Assert(err, jc.ErrorIsNil)
c.Assert(string(output), gc.Equals, "")
}
func makeValidOldHome(c *gc.C) {
oldhome := osenv.OldJujuHomeDir()
err := os.MkdirAll(oldhome, 0700)
c.Assert(err, jc.ErrorIsNil)
err = ioutil.WriteFile(filepath.Join(oldhome, "environments.yaml"), []byte("boo!"), 0600)
c.Assert(err, jc.ErrorIsNil)
}
func (s *MainSuite) TestFirstRun2xFrom1x(c *gc.C) {
// patch out lookpath to always return a nil error (and thus indicates success).
s.PatchValue(&execLookPath, func(s string) (string, error) {
c.Assert(s, gc.Equals, "juju-1")
return "we ignore this anyway", nil
})
// patch out the exec.Command used to run juju-1 so that it runs our test helper instead.
s.PatchValue(&execCommand, func(command string, args ...string) *exec.Cmd {
cs := []string{"-test.run=TestFirstRun2xFrom1xHelper", "--", command}
cs = append(cs, args...)
cmd := exec.Command(os.Args[0], cs...)
cmd.Env = []string{"JUJU_WANT_HELPER_PROCESS=1"}
return cmd
})
// remove the new juju-home and create a fake old juju home.
err := os.Remove(osenv.JujuXDGDataHome())
c.Assert(err, jc.ErrorIsNil)
oldhome := osenv.OldJujuHomeDir()
err = os.MkdirAll(oldhome, 0700)
c.Assert(err, jc.ErrorIsNil)
err = ioutil.WriteFile(filepath.Join(oldhome, "environments.yaml"), []byte("boo!"), 0600)
c.Assert(err, jc.ErrorIsNil)
// dump stderr to a file so we can examine it without any wacky re-running
// of the executable (since we need to mock things out.)
stderr, err := os.OpenFile(filepath.Join(oldhome, "stderr"), os.O_RDWR|os.O_CREATE, 0600)
c.Assert(err, jc.ErrorIsNil)
defer stderr.Close()
// dump stdout to a file so it doesn't spam the test output.
stdout, err := os.OpenFile(filepath.Join(oldhome, "stdout"), os.O_RDWR|os.O_CREATE, 0600)
c.Assert(err, jc.ErrorIsNil)
rc := runMain(stderr, stdout, []string{"juju", "version"})
c.Check(rc, gc.Equals, 0)
_, err = stderr.Seek(0, 0)
c.Assert(err, jc.ErrorIsNil)
output, err := ioutil.ReadAll(stderr)
c.Assert(err, jc.ErrorIsNil)
c.Check(err, jc.ErrorIsNil)
c.Check(string(output), gc.Equals, fmt.Sprintf(`
Welcome to Juju %s. If you meant to use Juju 1.25.0 you can continue using it
with the command juju-1 e.g. 'juju-1 switch'.
See https://jujucharms.com/docs/stable/introducing-2 for more details.
`[1:], jujuversion.Current))
}