1 files changed, 140 insertions, 0 deletions
diff --git a/o3d/statsreport/aggregator_unittest.cc b/o3d/statsreport/aggregator_unittest.cc
new file mode 100644
index 0000000..44c65cd
--- /dev/null
+++ b/o3d/statsreport/aggregator_unittest.cc
@@ -0,0 +1,140 @@
+/*
+ * Copyright 2009, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+// Implementation of helper classes to aggregate the collected in-memory
+// stats to persistent storage.
+#include "aggregator.h"
+#include "aggregator_unittest.h"
+#include "gtest/gtest.h"
+
+using namespace stats_report;
+
+class TestMetricsAggregator: public MetricsAggregator {
+ public:
+  explicit TestMetricsAggregator(const MetricCollection &coll)
+      : MetricsAggregator(coll), aggregating_(false), counts_(0),
+        timings_(0), integers_(0), bools_(0) {
+  }
+
+  ~TestMetricsAggregator() {
+  }
+
+  bool aggregating() const { return aggregating_; }
+  int counts() const { return counts_; }
+  int timings() const { return timings_; }
+  int integers() const { return integers_; }
+  int bools() const { return bools_; }
+
+ protected:
+  virtual bool StartAggregation() {
+    aggregating_ = true;
+    counts_ = 0;
+    timings_ = 0;
+    integers_ = 0;
+    bools_ = 0;
+
+    return true;
+  }
+
+  virtual void EndAggregation() {
+    aggregating_ = false;
+  }
+
+  virtual void Aggregate(CountMetric *metric) {
+    ASSERT_TRUE(NULL != metric);
+    EXPECT_TRUE(aggregating());
+    metric->Reset();
+    ++counts_;
+  }
+
+  virtual void Aggregate(TimingMetric *metric) {
+    ASSERT_TRUE(NULL != metric);
+    EXPECT_TRUE(aggregating());
+    metric->Reset();
+    ++timings_;
+  }
+  virtual void Aggregate(IntegerMetric *metric) {
+    ASSERT_TRUE(NULL != metric);
+    EXPECT_TRUE(aggregating());
+    // Integer metrics don't get reset on aggregation
+    ++integers_;
+  }
+  virtual void Aggregate(BoolMetric *metric) {
+    ASSERT_TRUE(NULL != metric);
+    EXPECT_TRUE(aggregating());
+    metric->Reset();
+    ++bools_;
+  }
+
+ private:
+  bool aggregating_;
+  int counts_;
+  int timings_;
+  int integers_;
+  int bools_;
+};
+
+TEST_F(MetricsAggregatorTest, Aggregate) {
+  TestMetricsAggregator agg(coll_);
+
+  EXPECT_FALSE(agg.aggregating());
+  EXPECT_EQ(0, agg.counts());
+  EXPECT_EQ(0, agg.timings());
+  EXPECT_EQ(0, agg.integers());
+  EXPECT_EQ(0, agg.bools());
+  EXPECT_TRUE(agg.AggregateMetrics());
+  EXPECT_FALSE(agg.aggregating());
+
+  // check that we saw all counters.
+  EXPECT_TRUE(kNumCounts == agg.counts());
+  EXPECT_TRUE(kNumTimings == agg.timings());
+  EXPECT_TRUE(kNumIntegers == agg.integers());
+  EXPECT_TRUE(kNumBools == agg.bools());
+}
+
+class FailureTestMetricsAggregator: public TestMetricsAggregator {
+ public:
+  explicit FailureTestMetricsAggregator(const MetricCollection &coll) :
+      TestMetricsAggregator(coll) {
+  }
+
+ protected:
+  virtual bool StartAggregation() {
+    return false;
+  }
+};
+
+TEST_F(MetricsAggregatorTest, AggregateFailure) {
+  FailureTestMetricsAggregator agg(coll_);
+
+  EXPECT_FALSE(agg.AggregateMetrics());
+}