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-rw-r--r--collectors/ebpf.plugin/ebpf_unittest.c83
1 files changed, 83 insertions, 0 deletions
diff --git a/collectors/ebpf.plugin/ebpf_unittest.c b/collectors/ebpf.plugin/ebpf_unittest.c
new file mode 100644
index 00000000..11b449e0
--- /dev/null
+++ b/collectors/ebpf.plugin/ebpf_unittest.c
@@ -0,0 +1,83 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "ebpf_unittest.h"
+
+ebpf_module_t test_em;
+
+/**
+ * Initialize structure
+ *
+ * Initialize structure used to run unittests
+ */
+void ebpf_ut_initialize_structure(netdata_run_mode_t mode)
+{
+ memset(&test_em, 0, sizeof(ebpf_module_t));
+ test_em.info.thread_name = strdupz("process");
+ test_em.info.config_name = test_em.info.thread_name;
+ test_em.kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4 | NETDATA_V5_10 |
+ NETDATA_V5_14;
+ test_em.pid_map_size = ND_EBPF_DEFAULT_PID_SIZE;
+ test_em.apps_level = NETDATA_APPS_LEVEL_REAL_PARENT;
+ test_em.mode = mode;
+}
+
+/**
+ * Clean UP Memory
+ *
+ * Clean up allocated data during unit test;
+ */
+void ebpf_ut_cleanup_memory()
+{
+ freez((void *)test_em.info.thread_name);
+}
+
+/**
+ * Load Binary
+ *
+ * Test load of legacy eBPF programs.
+ *
+ * @return It returns 0 on success and -1 otherwise.
+ */
+static int ebpf_ut_load_binary()
+{
+ test_em.probe_links = ebpf_load_program(ebpf_plugin_dir, &test_em, running_on_kernel, isrh, &test_em.objects);
+ if (!test_em.probe_links)
+ return -1;
+
+ ebpf_unload_legacy_code(test_em.objects, test_em.probe_links);
+
+ return 0;
+}
+
+/**
+ * Load Real Binary
+ *
+ * Load an existent binary inside plugin directory.
+ *
+ * @return It returns 0 on success and -1 otherwise.
+ */
+int ebpf_ut_load_real_binary()
+{
+ return ebpf_ut_load_binary();
+}
+/**
+ * Load fake Binary
+ *
+ * Try to load a binary not generated by netdata.
+ *
+ * @return It returns 0 on success and -1 otherwise. The success for this function means we could work properly with
+ * expected fails.
+ */
+int ebpf_ut_load_fake_binary()
+{
+ const char *original = test_em.info.thread_name;
+
+ test_em.info.thread_name = strdupz("I_am_not_here");
+ int ret = ebpf_ut_load_binary();
+
+ ebpf_ut_cleanup_memory();
+
+ test_em.info.thread_name = original;
+
+ return !ret;
+}