1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
#include <gtest/gtest.h>
#include <stddef.h>
#include <chrono>
#include <cstdlib>
#include <memory>
#include <ratio>
#include <thread>
#include <utility>
#include <vector>
#include "opentelemetry/sdk/common/exporter_utils.h"
#include "opentelemetry/sdk/instrumentationscope/instrumentation_scope.h"
#include "opentelemetry/sdk/metrics/export/metric_producer.h"
#include "opentelemetry/sdk/metrics/export/periodic_exporting_metric_reader.h"
#include "opentelemetry/sdk/metrics/export/periodic_exporting_metric_reader_options.h"
#include "opentelemetry/sdk/metrics/instruments.h"
#include "opentelemetry/sdk/metrics/push_metric_exporter.h"
#if defined(_MSC_VER)
# include "opentelemetry/sdk/common/env_variables.h"
using opentelemetry::sdk::common::setenv;
using opentelemetry::sdk::common::unsetenv;
#endif
using namespace opentelemetry;
using namespace opentelemetry::sdk::instrumentationscope;
using namespace opentelemetry::sdk::metrics;
class MockPushMetricExporter : public PushMetricExporter
{
public:
MockPushMetricExporter(std::chrono::milliseconds wait) : wait_(wait) {}
opentelemetry::sdk::common::ExportResult Export(const ResourceMetrics &record) noexcept override
{
if (wait_ > std::chrono::milliseconds::zero())
{
std::this_thread::sleep_for(wait_);
}
records_.push_back(record);
return opentelemetry::sdk::common::ExportResult::kSuccess;
}
bool ForceFlush(std::chrono::microseconds /* timeout */) noexcept override { return false; }
sdk::metrics::AggregationTemporality GetAggregationTemporality(
sdk::metrics::InstrumentType /* instrument_type */) const noexcept override
{
return sdk::metrics::AggregationTemporality::kCumulative;
}
bool Shutdown(std::chrono::microseconds /* timeout */) noexcept override { return true; }
size_t GetDataCount() { return records_.size(); }
private:
std::vector<ResourceMetrics> records_;
std::chrono::milliseconds wait_;
};
class MockMetricProducer : public MetricProducer
{
public:
MockMetricProducer(std::chrono::microseconds sleep_ms = std::chrono::microseconds::zero())
: sleep_ms_{sleep_ms}
{}
MetricProducer::Result Produce() noexcept override
{
std::this_thread::sleep_for(sleep_ms_);
data_sent_size_++;
ResourceMetrics data;
return {data, MetricProducer::Status::kSuccess};
}
size_t GetDataCount() { return data_sent_size_; }
private:
std::chrono::microseconds sleep_ms_;
size_t data_sent_size_{0};
};
TEST(PeriodicExportingMetricReader, BasicTests)
{
std::unique_ptr<PushMetricExporter> exporter(
new MockPushMetricExporter(std::chrono::milliseconds{0}));
PeriodicExportingMetricReaderOptions options;
options.export_timeout_millis = std::chrono::milliseconds(200);
options.export_interval_millis = std::chrono::milliseconds(500);
auto exporter_ptr = exporter.get();
std::shared_ptr<PeriodicExportingMetricReader> reader =
std::make_shared<PeriodicExportingMetricReader>(std::move(exporter), options);
MockMetricProducer producer;
reader->SetMetricProducer(&producer);
std::this_thread::sleep_for(std::chrono::milliseconds(2000));
reader->ForceFlush();
reader->Shutdown();
EXPECT_EQ(static_cast<MockPushMetricExporter *>(exporter_ptr)->GetDataCount(),
static_cast<MockMetricProducer *>(&producer)->GetDataCount());
}
TEST(PeriodicExportingMetricReader, Timeout)
{
std::unique_ptr<PushMetricExporter> exporter(
new MockPushMetricExporter(std::chrono::milliseconds{2000}));
PeriodicExportingMetricReaderOptions options;
options.export_timeout_millis = std::chrono::milliseconds(200);
options.export_interval_millis = std::chrono::milliseconds(500);
std::shared_ptr<PeriodicExportingMetricReader> reader =
std::make_shared<PeriodicExportingMetricReader>(std::move(exporter), options);
MockMetricProducer producer;
reader->SetMetricProducer(&producer);
std::this_thread::sleep_for(std::chrono::milliseconds(1000));
reader->Shutdown();
}
TEST(PeriodicExportingMetricReaderOptions, UsesEnvVars)
{
const char *env_interval = "OTEL_METRIC_EXPORT_INTERVAL";
const char *env_timeout = "OTEL_METRIC_EXPORT_TIMEOUT";
setenv(env_interval, "1500ms", 1);
setenv(env_timeout, "1000ms", 1);
PeriodicExportingMetricReaderOptions options;
EXPECT_EQ(options.export_interval_millis, std::chrono::milliseconds(1500));
EXPECT_EQ(options.export_timeout_millis, std::chrono::milliseconds(1000));
unsetenv(env_interval);
unsetenv(env_timeout);
}
TEST(PeriodicExportingMetricReaderOptions, UsesDefault)
{
const char *env_interval = "OTEL_METRIC_EXPORT_INTERVAL";
const char *env_timeout = "OTEL_METRIC_EXPORT_TIMEOUT";
unsetenv(env_interval);
unsetenv(env_timeout);
PeriodicExportingMetricReaderOptions options;
EXPECT_EQ(options.export_interval_millis, std::chrono::milliseconds(60000));
EXPECT_EQ(options.export_timeout_millis, std::chrono::milliseconds(30000));
}
|
