func (s *snapExecSuite) TestSnapExecHookRealIntegration(c *C) {
// we need a lot of mocks
dirs.SetRootDir(c.MkDir())
oldOsArgs := os.Args
defer func() { os.Args = oldOsArgs }()
os.Setenv("SNAP_REVISION", "42")
defer os.Unsetenv("SNAP_REVISION")
canaryFile := filepath.Join(c.MkDir(), "canary.txt")
testSnap := snaptest.MockSnap(c, string(mockHookYaml), &snap.SideInfo{
Revision: snap.R("42"),
})
hookPath := filepath.Join("meta", "hooks", "configure")
hookPathAndContents := []string{hookPath, fmt.Sprintf(binaryTemplate, canaryFile)}
snaptest.PopulateDir(testSnap.MountDir(), [][]string{hookPathAndContents})
hookPath = filepath.Join(testSnap.MountDir(), hookPath)
c.Assert(os.Chmod(hookPath, 0755), IsNil)
// we can not use the real syscall.execv here because it would
// replace the entire test :)
syscallExec = actuallyExec
// run it
os.Args = []string{"snap-exec", "--hook=configure", "snapname"}
err := run()
c.Assert(err, IsNil)
output, err := ioutil.ReadFile(canaryFile)
c.Assert(err, IsNil)
c.Assert(string(output), Equals, "configure\n\n")
}
func (s *infoSuite) checkInstalledSnapAndSnapFile(c *C, yaml string, contents string, hooks []string, checker func(c *C, info *snap.Info)) {
// First check installed snap
sideInfo := &snap.SideInfo{Revision: snap.R(42)}
info0 := snaptest.MockSnap(c, yaml, contents, sideInfo)
snaptest.PopulateDir(info0.MountDir(), emptyHooks(hooks...))
info, err := snap.ReadInfo(info0.Name(), sideInfo)
c.Check(err, IsNil)
checker(c, info)
// Now check snap file
snapPath := snaptest.MakeTestSnapWithFiles(c, yaml, emptyHooks(hooks...))
snapf, err := snap.Open(snapPath)
c.Assert(err, IsNil)
info, err = snap.ReadInfoFromSnapFile(snapf, nil)
c.Check(err, IsNil)
checker(c, info)
}