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/*
* 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());
}
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