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tests: Extend test_*_reboot with checks on fd leaking

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This revised version of the patch reuses the back-off strategy from
'ssh_command()' to deal with varying booting time.

Fixes: #1209

Signed-off-by: Bo Chen <chen.bo@intel.com>
This commit is contained in:
Bo Chen 2020-06-09 12:06:17 -07:00 committed by Rob Bradford
parent 2ae547cf71
commit cc85d896a5
1 changed files with 10 additions and 0 deletions
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10
tests/integration.rs
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@ -2951,6 +2951,10 @@ mod tests {
});
}
fn get_fd_count(pid: u32) -> usize {
fs::read_dir(format!("/proc/{}/fd", pid)).unwrap().count()
}
#[cfg_attr(not(feature = "mmio"), test)]
fn test_reboot() {
test_block!(tb, "", {
@ -2985,6 +2989,7 @@ mod tests {
.trim()
.parse::<u32>()
.unwrap_or(1);
let fd_count_1 = get_fd_count(child.id());
aver_eq!(tb, reboot_count, 0);
guest.ssh_command("sudo reboot").unwrap_or_default();
@ -2996,7 +3001,9 @@ mod tests {
.trim()
.parse::<u32>()
.unwrap_or_default();
let fd_count_2 = get_fd_count(child.id());
aver_eq!(tb, reboot_count, 1);
aver_eq!(tb, fd_count_1, fd_count_2);
guest
.ssh_command("sudo shutdown -h now")
@ -3041,6 +3048,7 @@ mod tests {
.trim()
.parse::<u32>()
.unwrap_or(1);
let fd_count_1 = get_fd_count(child.id());
aver_eq!(tb, reboot_count, 0);
guest.ssh_command("sudo reboot")?;
@ -3052,7 +3060,9 @@ mod tests {
.trim()
.parse::<u32>()
.unwrap_or_default();
let fd_count_2 = get_fd_count(child.id());
aver_eq!(tb, reboot_count, 1);
aver_eq!(tb, fd_count_1, fd_count_2);
guest.ssh_command("sudo shutdown -h now")?;
thread::sleep(std::time::Duration::new(20, 0));