Packetimpact in Go with c++ stub

PiperOrigin-RevId: 301382690

1 files changed, 106 insertions, 0 deletions

diff --git a/test/packetimpact/tests/defs.bzl b/test/packetimpact/tests/defs.bzl
new file mode 100644
index 000000000..3baac567a
--- /dev/null
+++ b/test/packetimpact/tests/defs.bzl
@@ -0,0 +1,106 @@
+"""Defines rules for packetimpact test targets."""
+
+load("//tools:defs.bzl", "go_test")
+
+def _packetimpact_test_impl(ctx):
+    test_runner = ctx.executable._test_runner
+    bench = ctx.actions.declare_file("%s-bench" % ctx.label.name)
+    bench_content = "\n".join([
+        "#!/bin/bash",
+        # This test will run part in a distinct user namespace. This can cause
+        # permission problems, because all runfiles may not be owned by the
+        # current user, and no other users will be mapped in that namespace.
+        # Make sure that everything is readable here.
+        "find . -type f -exec chmod a+rx {} \\;",
+        "find . -type d -exec chmod a+rx {} \\;",
+        "%s %s --posix_server_binary %s --testbench_binary %s $@\n" % (
+            test_runner.short_path,
+            " ".join(ctx.attr.flags),
+            ctx.files._posix_server_binary[0].short_path,
+            ctx.files.testbench_binary[0].short_path,
+        ),
+    ])
+    ctx.actions.write(bench, bench_content, is_executable = True)
+
+    transitive_files = depset()
+    if hasattr(ctx.attr._test_runner, "data_runfiles"):
+        transitive_files = depset(ctx.attr._test_runner.data_runfiles.files)
+    runfiles = ctx.runfiles(
+        files = [test_runner] + ctx.files.testbench_binary + ctx.files._posix_server_binary,
+        transitive_files = transitive_files,
+        collect_default = True,
+        collect_data = True,
+    )
+    return [DefaultInfo(executable = bench, runfiles = runfiles)]
+
+_packetimpact_test = rule(
+    attrs = {
+        "_test_runner": attr.label(
+            executable = True,
+            cfg = "target",
+            default = ":test_runner",
+        ),
+        "_posix_server_binary": attr.label(
+            cfg = "target",
+            default = "//test/packetimpact/dut:posix_server",
+        ),
+        "testbench_binary": attr.label(
+            cfg = "target",
+            mandatory = True,
+        ),
+        "flags": attr.string_list(
+            mandatory = False,
+            default = [],
+        ),
+    },
+    test = True,
+    implementation = _packetimpact_test_impl,
+)
+
+PACKETIMPACT_TAGS = ["local", "manual"]
+
+def packetimpact_linux_test(name, testbench_binary, **kwargs):
+    """Add a packetimpact test on linux.
+
+    Args:
+        name: name of the test
+        testbench_binary: the testbench binary
+        **kwargs: all the other args, forwarded to _packetimpact_test
+    """
+    _packetimpact_test(
+        name = name + "_linux_test",
+        testbench_binary = testbench_binary,
+        flags = ["--dut_platform", "linux"],
+        tags = PACKETIMPACT_TAGS,
+        **kwargs
+    )
+
+def packetimpact_netstack_test(name, testbench_binary, **kwargs):
+    """Add a packetimpact test on netstack.
+
+    Args:
+        name: name of the test
+        testbench_binary: the testbench binary
+        **kwargs: all the other args, forwarded to _packetimpact_test
+    """
+    _packetimpact_test(
+        name = name + "_netstack_test",
+        testbench_binary = testbench_binary,
+        # This is the default runtime unless
+        # "--test_arg=--runtime=OTHER_RUNTIME" is used to override the value.
+        flags = ["--dut_platform", "netstack", "--runtime=runsc-d"],
+        tags = PACKETIMPACT_TAGS,
+        **kwargs
+    )
+
+def packetimpact_go_test(name, size = "small", pure = True, **kwargs):
+    testbench_binary = name + "_test"
+    go_test(
+        name = testbench_binary,
+        size = size,
+        pure = pure,
+        tags = PACKETIMPACT_TAGS,
+        **kwargs
+    )
+    packetimpact_linux_test(name = name, testbench_binary = testbench_binary)
+    packetimpact_netstack_test(name = name, testbench_binary = testbench_binary)