Add basic test for the uname collector.

2 files changed, 59 insertions, 1 deletions

diff --git a/test/Makefile b/test/Makefile
index 2e18d39..872cfe7 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-COLLECTOR_TESTS := cpu diskstats filesystem hwmon meminfo network stat textfile
+COLLECTOR_TESTS := cpu diskstats filesystem hwmon meminfo network stat textfile uname
 
 COLLECTOR_TEST_PROGS := $(foreach c,$(COLLECTOR_TESTS),$(c)_test)
 COLLECTOR_TEST_OBJS := $(foreach p,$(COLLECTOR_TEST_PROGS),$(p).o)
diff --git a/test/uname_test.c b/test/uname_test.c
new file mode 100644
index 0000000..3a8390c
--- /dev/null
+++ b/test/uname_test.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2018 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <string.h>
+#include <sys/utsname.h>
+
+#include "harness.h"
+#include "mock_scrape.h"
+#include "../collector.h"
+
+extern const struct collector uname_collector;
+void uname_test_override_data(void *ctx, struct utsname *name);
+
+TEST(uname_metrics) {
+  scrape_req *req = mock_scrape_start(env);
+  struct utsname mock_uname;
+  strcpy(mock_uname.machine, "x86_64");
+  strcpy(mock_uname.nodename, "eris");
+  strcpy(mock_uname.release, "4.18.0-1-amd64");
+  strcpy(mock_uname.sysname, "Linux");
+  strcpy(mock_uname.version, "#1 SMP Debian 4.18.6-1 (2018-09-06)");
+
+  void *ctx = uname_collector.init(0, 0);
+  uname_test_override_data(ctx, &mock_uname);
+  uname_collector.collect(req, ctx);
+
+  mock_scrape_expect(
+      req,
+      "node_uname_info",
+      LABEL_LIST(
+          {"machine", "x86_64"},
+          {"nodename", "eris"},
+          {"release", "4.18.0-1-amd64"},
+          {"sysname", "Linux"},
+          {"version", "#1 SMP Debian 4.18.6-1 (2018-09-06)"}),
+      1);
+  mock_scrape_expect_no_more(req);
+  mock_scrape_free(req);
+}
+
+TEST_SUITE {
+  TEST_SUITE_START;
+  RUN_TEST(uname_metrics);
+  TEST_SUITE_END;
+}