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Add test case to TestCheckpointRestore

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TestCheckpointRestore was testing that container can be restored into
a new one (e.g. clone) - twice. Change one of the restores to use the
same identity, to test the case where the same container is being saved
and then resumed at a later time.

PiperOrigin-RevId: 552866396
This commit is contained in:
Fabricio Voznika
2023-08-01 11:34:17 -07:00
committed by gVisor bot
parent aa2c8c33c6
commit 8baec93b4c
1 changed files with 13 additions and 13 deletions
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runsc/container/container_test.go
+13 -13
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@@ -1096,7 +1096,8 @@ func TestCheckpointRestore(t *testing.T) {
}
defer outputFile2.Close()
// Restore into a new container.
// Restore into a new container with different ID (e.g. clone). Keep the
// initial container running to ensure no conflict with it.
args2 := Args{
ID: testutil.RandomContainerID(),
Spec: spec,
@@ -1122,14 +1123,19 @@ func TestCheckpointRestore(t *testing.T) {
t.Fatalf("error with outputFile: %v", err)
}
// Check that lastNum is one less than firstNum and that the container picks
// up from where it left off.
// Check that lastNum is one less than firstNum and that the container
// picks up from where it left off.
if lastNum+1 != firstNum {
t.Errorf("error numbers not in order, previous: %d, next: %d", lastNum, firstNum)
}
cont2.Destroy()
cont2 = nil
// Restore into a container using the same ID (e.g. save/resume). It requires
// the original container to cease to exist because they share the same identity.
cont.Destroy()
cont = nil
// Restore into another container!
// Delete and recreate file before restoring.
if err := os.Remove(outputPath); err != nil {
t.Fatalf("error removing file")
@@ -1140,13 +1146,7 @@ func TestCheckpointRestore(t *testing.T) {
}
defer outputFile3.Close()
// Restore into a new container.
args3 := Args{
ID: testutil.RandomContainerID(),
Spec: spec,
BundleDir: bundleDir,
}
cont3, err := New(conf, args3)
cont3, err := New(conf, args)
if err != nil {
t.Fatalf("error creating container: %v", err)
}
@@ -1166,8 +1166,8 @@ func TestCheckpointRestore(t *testing.T) {
t.Fatalf("error with outputFile: %v", err)
}
// Check that lastNum is one less than firstNum and that the container picks
// up from where it left off.
// Check that lastNum is one less than firstNum and that the container
// picks up from where it left off.
if lastNum+1 != firstNum2 {
t.Errorf("error numbers not in order, previous: %d, next: %d", lastNum, firstNum2)
}