1 files changed, 126 insertions, 0 deletions
diff --git a/test/openpower-pels/event_logger_test.cpp b/test/openpower-pels/event_logger_test.cpp
new file mode 100644
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+++ b/test/openpower-pels/event_logger_test.cpp
@@ -0,0 +1,126 @@
+/**
+ * Copyright © 2019 IBM Corporation
+ *
+ * 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
+ *
+ *     http://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 "extensions/openpower-pels/event_logger.hpp"
+#include "log_manager.hpp"
+
+#include <gtest/gtest.h>
+
+using namespace openpower::pels;
+using namespace phosphor::logging;
+
+class CreateHelper
+{
+  public:
+    void create(const std::string& name, Entry::Level level,
+                const EventLogger::ADMap& ad)
+    {
+        _createCount++;
+        _prevName = name;
+        _prevLevel = level;
+        _prevAD = ad;
+
+        // Try to create another event from within the creation
+        // function.  Should never work or else we could get stuck
+        // infinitely creating events.
+        if (_eventLogger)
+        {
+            AdditionalData d;
+            _eventLogger->log(name, level, d);
+        }
+    }
+
+    size_t _createCount = 0;
+    std::string _prevName;
+    Entry::Level _prevLevel;
+    EventLogger::ADMap _prevAD;
+    EventLogger* _eventLogger = nullptr;
+};
+
+void runEvents(sd_event* event, size_t numEvents)
+{
+    sdeventplus::Event e{event};
+
+    for (size_t i = 0; i < numEvents; i++)
+    {
+        e.run(std::chrono::milliseconds(1));
+    }
+}
+
+TEST(EventLoggerTest, TestCreateEvents)
+{
+    sd_event* sdEvent = nullptr;
+    auto r = sd_event_default(&sdEvent);
+    ASSERT_TRUE(r >= 0);
+
+    CreateHelper ch;
+
+    EventLogger eventLogger(
+        sdEvent, std::bind(std::mem_fn(&CreateHelper::create), &ch,
+                           std::placeholders::_1, std::placeholders::_2,
+                           std::placeholders::_3));
+
+    ch._eventLogger = &eventLogger;
+
+    AdditionalData ad;
+    ad.add("key1", "value1");
+
+    eventLogger.log("one", Entry::Level::Error, ad);
+    EXPECT_EQ(eventLogger.queueSize(), 1);
+
+    runEvents(sdEvent, 1);
+
+    // Verify 1 event was created
+    EXPECT_EQ(eventLogger.queueSize(), 0);
+    EXPECT_EQ(ch._prevName, "one");
+    EXPECT_EQ(ch._prevLevel, Entry::Level::Error);
+    EXPECT_EQ(ch._prevAD, ad.getData());
+    EXPECT_EQ(ch._createCount, 1);
+
+    // Create 2 more, and run 1 event loop at a time and check the results
+    eventLogger.log("two", Entry::Level::Error, ad);
+    eventLogger.log("three", Entry::Level::Error, ad);
+
+    EXPECT_EQ(eventLogger.queueSize(), 2);
+
+    runEvents(sdEvent, 1);
+
+    EXPECT_EQ(ch._createCount, 2);
+    EXPECT_EQ(ch._prevName, "two");
+    EXPECT_EQ(eventLogger.queueSize(), 1);
+
+    runEvents(sdEvent, 1);
+    EXPECT_EQ(ch._createCount, 3);
+    EXPECT_EQ(ch._prevName, "three");
+    EXPECT_EQ(eventLogger.queueSize(), 0);
+
+    // Add them all again and run them all at once
+    eventLogger.log("three", Entry::Level::Error, ad);
+    eventLogger.log("two", Entry::Level::Error, ad);
+    eventLogger.log("one", Entry::Level::Error, ad);
+    runEvents(sdEvent, 3);
+
+    EXPECT_EQ(ch._createCount, 6);
+    EXPECT_EQ(ch._prevName, "one");
+    EXPECT_EQ(eventLogger.queueSize(), 0);
+
+    // Run extra events - doesn't do anything
+    runEvents(sdEvent, 1);
+    EXPECT_EQ(ch._createCount, 6);
+    EXPECT_EQ(ch._prevName, "one");
+    EXPECT_EQ(eventLogger.queueSize(), 0);
+
+    sd_event_unref(sdEvent);
+}