Add syscall test dimension for --file_access=shared

PiperOrigin-RevId: 231856279
Change-Id: I175db87374890a62a3a3c2ddef727668ff854ce4

2 files changed, 18 insertions, 13 deletions

diff --git a/test/syscalls/build_defs.bzl b/test/syscalls/build_defs.bzl
index 6bcb7adf7..e8a66a31a 100644
--- a/test/syscalls/build_defs.bzl
+++ b/test/syscalls/build_defs.bzl
@@ -6,18 +6,22 @@ def syscall_test(test, shard_count = 5, size = "small", use_tmpfs = False):
     _syscall_test(test, shard_count, size, "native", False)
     _syscall_test(test, shard_count, size, "kvm", use_tmpfs)
     _syscall_test(test, shard_count, size, "ptrace", use_tmpfs)
+    if not use_tmpfs:
+        _syscall_test(test, shard_count, size, "ptrace", use_tmpfs, "shared")
 
-def _syscall_test(test, shard_count, size, platform, use_tmpfs):
+def _syscall_test(test, shard_count, size, platform, use_tmpfs, file_access = "exclusive"):
     test_name = test.split(":")[1]
 
     # Prepend "runsc" to non-native platform names.
     full_platform = platform if platform == "native" else "runsc_" + platform
 
     name = test_name + "_" + full_platform
+    if file_access == "shared":
+        name += "_shared"
 
-    # Add the full_platform in a tag to make it easier to run all the tests on
-    # a specific platform.
-    tags = [full_platform]
+    # Add the full_platform and file access in a tag to make it easier to run
+    # all the tests on a specific flavor. Use --test_tag_filters=ptrace,file_shared.
+    tags = [full_platform, "file_" + file_access]
 
     # Add tag to prevent the tests from running in a Bazel sandbox.
     # TODO: Make the tests run without this tag.
@@ -40,8 +44,7 @@ def _syscall_test(test, shard_count, size, platform, use_tmpfs):
             "--test-name=" + test_name,
             "--platform=" + platform,
             "--use-tmpfs=" + str(use_tmpfs),
-            "--debug=false",
-            "--strace=false",
+            "--file-access=" + file_access,
             "--parallel=true",
         ],
         size = size,
diff --git a/test/syscalls/syscall_test_runner.go b/test/syscalls/syscall_test_runner.go
index e1fba637c..b4f629059 100644
--- a/test/syscalls/syscall_test_runner.go
+++ b/test/syscalls/syscall_test_runner.go
@@ -41,13 +41,14 @@ import (
 const testDir = "test/syscalls/linux"
 
 var (
-	testName  = flag.String("test-name", "", "name of test binary to run")
-	debug     = flag.Bool("debug", false, "enable debug logs")
-	strace    = flag.Bool("strace", false, "enable strace logs")
-	platform  = flag.String("platform", "ptrace", "platform to run on")
-	useTmpfs  = flag.Bool("use-tmpfs", false, "mounts tmpfs for /tmp")
-	parallel  = flag.Bool("parallel", false, "run tests in parallel")
-	runscPath = flag.String("runsc", "", "path to runsc binary")
+	testName   = flag.String("test-name", "", "name of test binary to run")
+	debug      = flag.Bool("debug", false, "enable debug logs")
+	strace     = flag.Bool("strace", false, "enable strace logs")
+	platform   = flag.String("platform", "ptrace", "platform to run on")
+	useTmpfs   = flag.Bool("use-tmpfs", false, "mounts tmpfs for /tmp")
+	fileAccess = flag.String("file-access", "exclusive", "mounts root in exclusive or shared mode")
+	parallel   = flag.Bool("parallel", false, "run tests in parallel")
+	runscPath  = flag.String("runsc", "", "path to runsc binary")
 )
 
 // runTestCaseNative runs the test case directly on the host machine.
@@ -158,6 +159,7 @@ func runTestCaseRunsc(testBin string, tc gtest.TestCase, t *testing.T) {
 	args := []string{
 		"-platform", *platform,
 		"-root", rootDir,
+		"-file-access", *fileAccess,
 		"--network=none",
 		"-log-format=text",
 		"-TESTONLY-unsafe-nonroot=true",