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tests: extract _test_multiple_network_interfaces wrapper

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Extract test logic from test_multiple_network_interfaces into
a shared _test_multiple_network_interfaces wrapper function in
tests_wrappers.rs. Update the parent test case to use the
basic_regular_guest macro. The wrapper uses
default_kernel_cmdline() for kernel/cmdline setup.

Signed-off-by: Muminul Islam <muislam@microsoft.com>
This commit is contained in:
Muminul Islam
2026-03-21 18:21:54 -07:00
committed by Rob Bradford
parent 8d9e8ea6f8
commit 77266daf86
2 changed files with 42 additions and 43 deletions
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40
cloud-hypervisor/tests/common/tests_wrappers.rs
View File

@@ -2322,3 +2322,43 @@ pub(crate) fn _test_serial_off(guest: &Guest) {
handle_child_output(r, &output);
}
pub(crate) fn _test_multiple_network_interfaces(guest: &Guest) {
let mut child = GuestCommand::new(guest)
.default_cpus()
.default_memory()
.default_kernel_cmdline()
.default_disks()
.args([
"--net",
guest.default_net_string().as_str(),
"tap=,mac=8a:6b:6f:5a:de:ac,ip=192.168.3.1,mask=255.255.255.128",
"tap=mytap1,mac=fe:1f:9e:e1:60:f2,ip=192.168.4.1,mask=255.255.255.128",
])
.capture_output()
.spawn()
.unwrap();
let r = std::panic::catch_unwind(|| {
guest.wait_vm_boot().unwrap();
let tap_count = exec_host_command_output("ip link | grep -c mytap1");
assert_eq!(String::from_utf8_lossy(&tap_count.stdout).trim(), "1");
// 3 network interfaces + default localhost ==> 4 interfaces
assert_eq!(
guest
.ssh_command("ip -o link | wc -l")
.unwrap()
.trim()
.parse::<u32>()
.unwrap_or_default(),
4
);
});
kill_child(&mut child);
let output = child.wait_with_output().unwrap();
handle_child_output(r, &output);
}

45
cloud-hypervisor/tests/integration.rs
View File

@@ -1852,49 +1852,8 @@ mod common_parallel {
#[test]
fn test_multiple_network_interfaces() {
let disk_config = UbuntuDiskConfig::new(JAMMY_IMAGE_NAME.to_string());
let guest = Guest::new(Box::new(disk_config));
let kernel_path = direct_kernel_boot_path();
let mut child = GuestCommand::new(&guest)
.default_cpus()
.default_memory()
.args(["--kernel", kernel_path.to_str().unwrap()])
.args(["--cmdline", DIRECT_KERNEL_BOOT_CMDLINE])
.default_disks()
.args([
"--net",
guest.default_net_string().as_str(),
"tap=,mac=8a:6b:6f:5a:de:ac,ip=192.168.3.1,mask=255.255.255.128",
"tap=mytap1,mac=fe:1f:9e:e1:60:f2,ip=192.168.4.1,mask=255.255.255.128",
])
.capture_output()
.spawn()
.unwrap();
let r = std::panic::catch_unwind(|| {
guest.wait_vm_boot().unwrap();
let tap_count = exec_host_command_output("ip link | grep -c mytap1");
assert_eq!(String::from_utf8_lossy(&tap_count.stdout).trim(), "1");
// 3 network interfaces + default localhost ==> 4 interfaces
assert_eq!(
guest
.ssh_command("ip -o link | wc -l")
.unwrap()
.trim()
.parse::<u32>()
.unwrap_or_default(),
4
);
});
kill_child(&mut child);
let output = child.wait_with_output().unwrap();
handle_child_output(r, &output);
let guest = basic_regular_guest!(JAMMY_IMAGE_NAME);
_test_multiple_network_interfaces(&guest);
}
#[test]