From 661e5ae7ae496332c0b5440980d0a9a00f9b9fbd Mon Sep 17 00:00:00 2001
From: Fabricio Voznika <fvoznika@google.com>
Date: Mon, 5 Apr 2021 17:07:59 -0700
Subject: Enable Checkpoint/Restore test with VFS2

Closes #3373

PiperOrigin-RevId: 366903991
---
 test/e2e/BUILD               |  1 -
 test/e2e/integration_test.go | 31 ++++++++++++++++++++++-------
 test/e2e/regression_test.go  | 47 --------------------------------------------
 3 files changed, 24 insertions(+), 55 deletions(-)
 delete mode 100644 test/e2e/regression_test.go

(limited to 'test')

diff --git a/test/e2e/BUILD b/test/e2e/BUILD
index 29a84f184..3b3dadf04 100644
--- a/test/e2e/BUILD
+++ b/test/e2e/BUILD
@@ -8,7 +8,6 @@ go_test(
     srcs = [
         "exec_test.go",
         "integration_test.go",
-        "regression_test.go",
     ],
     library = ":integration",
     tags = [
diff --git a/test/e2e/integration_test.go b/test/e2e/integration_test.go
index e83576722..1accc3b3b 100644
--- a/test/e2e/integration_test.go
+++ b/test/e2e/integration_test.go
@@ -168,13 +168,6 @@ func TestCheckpointRestore(t *testing.T) {
 		t.Skip("Pause/resume is not supported.")
 	}
 
-	// TODO(gvisor.dev/issue/3373): Remove after implementing.
-	if usingVFS2, err := dockerutil.UsingVFS2(); usingVFS2 {
-		t.Skip("CheckpointRestore not implemented in VFS2.")
-	} else if err != nil {
-		t.Fatalf("failed to read config for runtime %s: %v", dockerutil.Runtime(), err)
-	}
-
 	ctx := context.Background()
 	d := dockerutil.MakeContainer(ctx, t)
 	defer d.CleanUp(ctx)
@@ -592,6 +585,30 @@ func runIntegrationTest(t *testing.T, capAdd []string, args ...string) {
 	}
 }
 
+// Test that UDS can be created using overlay when parent directory is in lower
+// layer only (b/134090485).
+//
+// Prerequisite: the directory where the socket file is created must not have
+// been open for write before bind(2) is called.
+func TestBindOverlay(t *testing.T) {
+	ctx := context.Background()
+	d := dockerutil.MakeContainer(ctx, t)
+	defer d.CleanUp(ctx)
+
+	// Run the container.
+	got, err := d.Run(ctx, dockerutil.RunOpts{
+		Image: "basic/ubuntu",
+	}, "bash", "-c", "nc -q -1 -l -U /var/run/sock & p=$! && sleep 1 && echo foobar-asdf | nc -q 0 -U /var/run/sock && wait $p")
+	if err != nil {
+		t.Fatalf("docker run failed: %v", err)
+	}
+
+	// Check the output contains what we want.
+	if want := "foobar-asdf"; !strings.Contains(got, want) {
+		t.Fatalf("docker run output is missing %q: %s", want, got)
+	}
+}
+
 func TestMain(m *testing.M) {
 	dockerutil.EnsureSupportedDockerVersion()
 	flag.Parse()
diff --git a/test/e2e/regression_test.go b/test/e2e/regression_test.go
deleted file mode 100644
index 84564cdaa..000000000
--- a/test/e2e/regression_test.go
+++ /dev/null
@@ -1,47 +0,0 @@
-// Copyright 2019 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package integration
-
-import (
-	"context"
-	"strings"
-	"testing"
-
-	"gvisor.dev/gvisor/pkg/test/dockerutil"
-)
-
-// Test that UDS can be created using overlay when parent directory is in lower
-// layer only (b/134090485).
-//
-// Prerequisite: the directory where the socket file is created must not have
-// been open for write before bind(2) is called.
-func TestBindOverlay(t *testing.T) {
-	ctx := context.Background()
-	d := dockerutil.MakeContainer(ctx, t)
-	defer d.CleanUp(ctx)
-
-	// Run the container.
-	got, err := d.Run(ctx, dockerutil.RunOpts{
-		Image: "basic/ubuntu",
-	}, "bash", "-c", "nc -q -1 -l -U /var/run/sock & p=$! && sleep 1 && echo foobar-asdf | nc -q 0 -U /var/run/sock && wait $p")
-	if err != nil {
-		t.Fatalf("docker run failed: %v", err)
-	}
-
-	// Check the output contains what we want.
-	if want := "foobar-asdf"; !strings.Contains(got, want) {
-		t.Fatalf("docker run output is missing %q: %s", want, got)
-	}
-}
-- 
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