support/testing/tests/core/test_selinux.py: new test for BR2_REFPOLICY_EXTRA_MODULES

This patch adds a test for the BR2_REFPOLICY_EXTRA_MODULES
functionality (which allows to select extra modules within the SELinux
refpolicy using Kconfig).

Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

support/testing/tests/core/test_selinux.py

@@ -0,0 +1,36 @@
+import os
+
+import infra.basetest
+
+
+class TestSELinuxInfra(infra.basetest.BRTest):
+    config = infra.basetest.BASIC_TOOLCHAIN_CONFIG +\
+             """
+             BR2_PACKAGE_REFPOLICY=y
+             BR2_PACKAGE_PYTHON3=y
+             BR2_PACKAGE_SETOOLS=y
+             BR2_TARGET_ROOTFS_CPIO=y
+             """
+
+    def base_test_run(self):
+        cpio_file = os.path.join(self.builddir, "images", "rootfs.cpio")
+        self.emulator.boot(arch="armv5", kernel="builtin",
+                           options=["-initrd", cpio_file])
+        self.emulator.login()
+
+class TestSELinuxExtraModules(TestSELinuxInfra):
+    config = TestSELinuxInfra.config + \
+             """
+             BR2_REFPOLICY_EXTRA_MODULES="ntp tor"
+             """
+
+    def test_run(self):
+        TestSELinuxInfra.base_test_run(self)
+
+        out, ret = self.emulator.run("seinfo -t ntpd_t", 15)
+        self.assertEqual(ret, 0)
+        self.assertEqual(out[2].strip(), "ntpd_t")
+
+        out, ret = self.emulator.run("seinfo -t tor_t", 15)
+        self.assertEqual(ret, 0)
+        self.assertEqual(out[2].strip(), "tor_t")