[infra] Split tcpip/integration test targets to aid investigation.

tcpip integration tests have been flaky lately. They usually run in 20 seconds
and have a 60 seconds timeout. Sometimes they timeout which could be due to
a bug or deadlock. To further investigate it might be helpful to split the
targets and see which test is causing the flake.

Added a new tcpip/tests/utils package to hold all common utilities across all
tests.

PiperOrigin-RevId: 358012936

1 files changed, 103 insertions, 12 deletions

diff --git a/pkg/tcpip/tests/integration/BUILD b/pkg/tcpip/tests/integration/BUILD
index 71695b630..58aabe547 100644
--- a/pkg/tcpip/tests/integration/BUILD
+++ b/pkg/tcpip/tests/integration/BUILD
@@ -3,31 +3,57 @@ load("//tools:defs.bzl", "go_test")
 package(licenses = ["notice"])
 
 go_test(
-    name = "integration_test",
+    name = "forward_test",
     size = "small",
-    srcs = [
-        "forward_test.go",
-        "iptables_test.go",
-        "link_resolution_test.go",
-        "loopback_test.go",
-        "multicast_broadcast_test.go",
-        "route_test.go",
+    srcs = ["forward_test.go"],
+    deps = [
+        "//pkg/tcpip",
+        "//pkg/tcpip/checker",
+        "//pkg/tcpip/network/arp",
+        "//pkg/tcpip/network/ipv4",
+        "//pkg/tcpip/network/ipv6",
+        "//pkg/tcpip/stack",
+        "//pkg/tcpip/tests/utils",
+        "//pkg/tcpip/transport/tcp",
+        "//pkg/tcpip/transport/udp",
+        "//pkg/waiter",
+        "@com_github_google_go_cmp//cmp:go_default_library",
+    ],
+)
+
+go_test(
+    name = "iptables_test",
+    size = "small",
+    srcs = ["iptables_test.go"],
+    deps = [
+        "//pkg/tcpip",
+        "//pkg/tcpip/buffer",
+        "//pkg/tcpip/header",
+        "//pkg/tcpip/link/channel",
+        "//pkg/tcpip/network/ipv4",
+        "//pkg/tcpip/network/ipv6",
+        "//pkg/tcpip/stack",
+        "//pkg/tcpip/tests/utils",
+        "//pkg/tcpip/transport/udp",
     ],
+)
+
+go_test(
+    name = "link_resolution_test",
+    size = "small",
+    srcs = ["link_resolution_test.go"],
     deps = [
         "//pkg/tcpip",
         "//pkg/tcpip/buffer",
         "//pkg/tcpip/checker",
         "//pkg/tcpip/faketime",
         "//pkg/tcpip/header",
-        "//pkg/tcpip/link/channel",
-        "//pkg/tcpip/link/ethernet",
-        "//pkg/tcpip/link/loopback",
-        "//pkg/tcpip/link/nested",
         "//pkg/tcpip/link/pipe",
         "//pkg/tcpip/network/arp",
         "//pkg/tcpip/network/ipv4",
         "//pkg/tcpip/network/ipv6",
         "//pkg/tcpip/stack",
+        "//pkg/tcpip/tests/utils",
         "//pkg/tcpip/transport/icmp",
         "//pkg/tcpip/transport/tcp",
         "//pkg/tcpip/transport/udp",
@@ -36,3 +62,68 @@ go_test(
         "@com_github_google_go_cmp//cmp/cmpopts:go_default_library",
     ],
 )
+
+go_test(
+    name = "loopback_test",
+    size = "small",
+    srcs = ["loopback_test.go"],
+    deps = [
+        "//pkg/tcpip",
+        "//pkg/tcpip/buffer",
+        "//pkg/tcpip/checker",
+        "//pkg/tcpip/header",
+        "//pkg/tcpip/link/loopback",
+        "//pkg/tcpip/network/ipv4",
+        "//pkg/tcpip/network/ipv6",
+        "//pkg/tcpip/stack",
+        "//pkg/tcpip/tests/utils",
+        "//pkg/tcpip/transport/tcp",
+        "//pkg/tcpip/transport/udp",
+        "//pkg/waiter",
+        "@com_github_google_go_cmp//cmp:go_default_library",
+    ],
+)
+
+go_test(
+    name = "multicast_broadcast_test",
+    size = "small",
+    srcs = ["multicast_broadcast_test.go"],
+    deps = [
+        "//pkg/tcpip",
+        "//pkg/tcpip/buffer",
+        "//pkg/tcpip/checker",
+        "//pkg/tcpip/header",
+        "//pkg/tcpip/link/channel",
+        "//pkg/tcpip/link/loopback",
+        "//pkg/tcpip/network/ipv4",
+        "//pkg/tcpip/network/ipv6",
+        "//pkg/tcpip/stack",
+        "//pkg/tcpip/tests/utils",
+        "//pkg/tcpip/transport/icmp",
+        "//pkg/tcpip/transport/udp",
+        "//pkg/waiter",
+        "@com_github_google_go_cmp//cmp:go_default_library",
+    ],
+)
+
+go_test(
+    name = "route_test",
+    size = "small",
+    srcs = ["route_test.go"],
+    deps = [
+        "//pkg/tcpip",
+        "//pkg/tcpip/buffer",
+        "//pkg/tcpip/checker",
+        "//pkg/tcpip/header",
+        "//pkg/tcpip/link/channel",
+        "//pkg/tcpip/link/loopback",
+        "//pkg/tcpip/network/ipv4",
+        "//pkg/tcpip/network/ipv6",
+        "//pkg/tcpip/stack",
+        "//pkg/tcpip/tests/utils",
+        "//pkg/tcpip/transport/icmp",
+        "//pkg/tcpip/transport/udp",
+        "//pkg/waiter",
+        "@com_github_google_go_cmp//cmp:go_default_library",
+    ],
+)