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authorDevtools Arcadia <arcadia-devtools@yandex-team.ru>2022-02-07 18:08:42 +0300
committerDevtools Arcadia <arcadia-devtools@mous.vla.yp-c.yandex.net>2022-02-07 18:08:42 +0300
commit1110808a9d39d4b808aef724c861a2e1a38d2a69 (patch)
treee26c9fed0de5d9873cce7e00bc214573dc2195b7 /library/cpp/monlib/metrics/fake_ut.cpp
downloadydb-1110808a9d39d4b808aef724c861a2e1a38d2a69.tar.gz
intermediate changes
ref:cde9a383711a11544ce7e107a78147fb96cc4029
Diffstat (limited to 'library/cpp/monlib/metrics/fake_ut.cpp')
-rw-r--r--library/cpp/monlib/metrics/fake_ut.cpp34
1 files changed, 34 insertions, 0 deletions
diff --git a/library/cpp/monlib/metrics/fake_ut.cpp b/library/cpp/monlib/metrics/fake_ut.cpp
new file mode 100644
index 0000000000..c3368ca302
--- /dev/null
+++ b/library/cpp/monlib/metrics/fake_ut.cpp
@@ -0,0 +1,34 @@
+#include "fake.h"
+
+#include <library/cpp/testing/unittest/registar.h>
+
+#include <util/generic/ptr.h>
+
+using namespace NMonitoring;
+
+Y_UNIT_TEST_SUITE(TFakeTest) {
+
+ Y_UNIT_TEST(CreateOnStack) {
+ TFakeMetricRegistry registry;
+ }
+
+ Y_UNIT_TEST(CreateOnHeap) {
+ auto registry = MakeAtomicShared<TFakeMetricRegistry>();
+ UNIT_ASSERT(registry);
+ }
+
+ Y_UNIT_TEST(Gauge) {
+ TFakeMetricRegistry registry(TLabels{{"common", "label"}});
+
+ IGauge* g = registry.Gauge(MakeLabels({{"my", "gauge"}}));
+ UNIT_ASSERT(g);
+
+ UNIT_ASSERT_DOUBLES_EQUAL(g->Get(), 0.0, 1E-6);
+ g->Set(12.34);
+ UNIT_ASSERT_DOUBLES_EQUAL(g->Get(), 0.0, 1E-6); // no changes
+
+ double val = g->Add(1.2);
+ UNIT_ASSERT_DOUBLES_EQUAL(g->Get(), 0.0, 1E-6);
+ UNIT_ASSERT_DOUBLES_EQUAL(val, 0.0, 1E-6);
+ }
+}