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TestMeasurementsExporter.java
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Created
Sun, Oct 20, 15:20
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2 KB
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text/x-java
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Tue, Oct 22, 15:20 (2 d)
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blob
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R7507 YCSB
TestMeasurementsExporter.java
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/**
* Copyright (c) 2015 Yahoo! Inc. All rights reserved.
* <p>
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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. See accompanying
* LICENSE file.
*/
package
com.yahoo.ycsb.measurements.exporter
;
import
com.yahoo.ycsb.generator.ZipfianGenerator
;
import
com.yahoo.ycsb.measurements.Measurements
;
import
org.codehaus.jackson.JsonNode
;
import
org.codehaus.jackson.map.ObjectMapper
;
import
org.testng.annotations.Test
;
import
java.io.ByteArrayOutputStream
;
import
java.io.IOException
;
import
java.util.Properties
;
import static
org.testng.AssertJUnit.assertEquals
;
import static
org.testng.AssertJUnit.assertTrue
;
public
class
TestMeasurementsExporter
{
@Test
public
void
testJSONArrayMeasurementsExporter
()
throws
IOException
{
Properties
props
=
new
Properties
();
props
.
put
(
Measurements
.
MEASUREMENT_TYPE_PROPERTY
,
"histogram"
);
Measurements
mm
=
new
Measurements
(
props
);
ByteArrayOutputStream
out
=
new
ByteArrayOutputStream
();
JSONArrayMeasurementsExporter
export
=
new
JSONArrayMeasurementsExporter
(
out
);
long
min
=
5000
;
long
max
=
100000
;
ZipfianGenerator
zipfian
=
new
ZipfianGenerator
(
min
,
max
);
for
(
int
i
=
0
;
i
<
1000
;
i
++)
{
int
rnd
=
zipfian
.
nextValue
().
intValue
();
mm
.
measure
(
"UPDATE"
,
rnd
);
}
mm
.
exportMeasurements
(
export
);
export
.
close
();
ObjectMapper
mapper
=
new
ObjectMapper
();
JsonNode
json
=
mapper
.
readTree
(
out
.
toString
(
"UTF-8"
));
assertTrue
(
json
.
isArray
());
assertEquals
(
json
.
get
(
0
).
get
(
"measurement"
).
asText
(),
"Operations"
);
assertEquals
(
json
.
get
(
4
).
get
(
"measurement"
).
asText
(),
"MaxLatency(us)"
);
assertEquals
(
json
.
get
(
11
).
get
(
"measurement"
).
asText
(),
"4"
);
}
}
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