277 lines
7.5 KiB
Go
277 lines
7.5 KiB
Go
package cassandra
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import (
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_ "fmt"
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"io/ioutil"
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"net/http"
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"strings"
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"testing"
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"github.com/influxdata/telegraf/testutil"
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"github.com/stretchr/testify/assert"
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_ "github.com/stretchr/testify/require"
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)
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const validJavaMultiValueJSON = `
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{
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"request":{
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"mbean":"java.lang:type=Memory",
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"attribute":"HeapMemoryUsage",
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"type":"read"
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},
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"value":{
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"init":67108864,
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"committed":456130560,
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"max":477626368,
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"used":203288528
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},
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"timestamp":1446129191,
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"status":200
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}`
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const validCassandraMultiValueJSON = `
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{
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"request": {
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"mbean": "org.apache.cassandra.metrics:keyspace=test_keyspace1,name=ReadLatency,scope=test_table,type=Table",
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"type": "read"},
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"status": 200,
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"timestamp": 1458089229,
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"value": {
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"999thPercentile": 20.0,
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"99thPercentile": 10.0,
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"Count": 400,
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"DurationUnit": "microseconds",
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"Max": 30.0,
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"Mean": null,
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"MeanRate": 3.0,
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"Min": 1.0,
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"RateUnit": "events/second",
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"StdDev": null
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}
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}`
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const validCassandraNestedMultiValueJSON = `
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{
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"request": {
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"mbean": "org.apache.cassandra.metrics:keyspace=test_keyspace1,name=ReadLatency,scope=*,type=Table",
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"type": "read"},
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"status": 200,
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"timestamp": 1458089184,
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"value": {
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"org.apache.cassandra.metrics:keyspace=test_keyspace1,name=ReadLatency,scope=test_table1,type=Table":
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{ "999thPercentile": 1.0,
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"Count": 100,
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"DurationUnit": "microseconds",
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"OneMinuteRate": 1.0,
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"RateUnit": "events/second",
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"StdDev": null
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},
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"org.apache.cassandra.metrics:keyspace=test_keyspace2,name=ReadLatency,scope=test_table2,type=Table":
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{ "999thPercentile": 2.0,
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"Count": 200,
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"DurationUnit": "microseconds",
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"OneMinuteRate": 2.0,
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"RateUnit": "events/second",
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"StdDev": null
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}
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}
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}`
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const validSingleValueJSON = `
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{
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"request":{
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"path":"used",
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"mbean":"java.lang:type=Memory",
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"attribute":"HeapMemoryUsage",
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"type":"read"
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},
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"value":209274376,
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"timestamp":1446129256,
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"status":200
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}`
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const validJavaMultiTypeJSON = `
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{
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"request":{
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"mbean":"java.lang:name=ConcurrentMarkSweep,type=GarbageCollector",
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"attribute":"CollectionCount",
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"type":"read"
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},
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"value":1,
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"timestamp":1459316570,
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"status":200
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}`
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const invalidJSON = "I don't think this is JSON"
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const empty = ""
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var Servers = []Server{Server{Host: "10.10.10.10", Port: "8778"}}
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var HeapMetric = Metric{Jmx: "/java.lang:type=Memory/HeapMemoryUsage"}
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var ReadLatencyMetric = Metric{"/org.apache.cassandra.metrics:type=Table,keyspace=test_keyspace1,scope=test_table,name=ReadLatency"}
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var NestedReadLatencyMetric = Metric{"/org.apache.cassandra.metrics:type=Table,keyspace=test_keyspace1,scope=*,name=ReadLatency"}
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var GarbageCollectorMetric = Metric{"/java.lang:type=GarbageCollector,name=ConcurrentMarkSweep/CollectionCount"}
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var Context = "/jolokia/read"
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type jolokiaClientStub struct {
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responseBody string
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statusCode int
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}
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func (c jolokiaClientStub) MakeRequest(req *http.Request) (*http.Response, error) {
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resp := http.Response{}
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resp.StatusCode = c.statusCode
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resp.Body = ioutil.NopCloser(strings.NewReader(c.responseBody))
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return &resp, nil
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}
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// Generates a pointer to an HttpJson object that uses a mock HTTP client.
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// Parameters:
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// response : Body of the response that the mock HTTP client should return
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// statusCode: HTTP status code the mock HTTP client should return
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//
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// Returns:
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// *HttpJson: Pointer to an HttpJson object that uses the generated mock HTTP client
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func genJolokiaClientStub(response string, statusCode int, servers []Server, metrics []Metric) *Cassandra {
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return &Cassandra{
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jClient: jolokiaClientStub{responseBody: response, statusCode: statusCode},
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Context: Context,
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Servers: servers,
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Metrics: metrics,
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}
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}
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// Test that the proper values are ignored or collected for class=Java
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func TestHttpJsonJavaMultiValue(t *testing.T) {
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cassandra := genJolokiaClientStub(validJavaMultiValueJSON, 200, Servers, []Metric{HeapMetric})
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var acc testutil.Accumulator
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acc.SetDebug(true)
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err := cassandra.Gather(&acc)
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assert.Nil(t, err)
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assert.Equal(t, 1, len(acc.Metrics))
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fields := map[string]interface{}{
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"HeapMemoryUsage_init": 67108864.0,
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"HeapMemoryUsage_committed": 456130560.0,
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"HeapMemoryUsage_max": 477626368.0,
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"HeapMemoryUsage_used": 203288528.0,
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}
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tags := map[string]string{
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"host": "10.10.10.10",
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"mname": "HeapMemoryUsage",
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}
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acc.AssertContainsTaggedFields(t, "javaMemory", fields, tags)
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}
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func TestHttpJsonJavaMultiType(t *testing.T) {
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cassandra := genJolokiaClientStub(validJavaMultiTypeJSON, 200, Servers, []Metric{GarbageCollectorMetric})
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var acc testutil.Accumulator
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acc.SetDebug(true)
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err := cassandra.Gather(&acc)
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assert.Nil(t, err)
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assert.Equal(t, 1, len(acc.Metrics))
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fields := map[string]interface{}{
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"CollectionCount": 1.0,
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}
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tags := map[string]string{
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"host": "10.10.10.10",
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"mname": "ConcurrentMarkSweep",
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}
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acc.AssertContainsTaggedFields(t, "javaGarbageCollector", fields, tags)
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}
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// Test that the proper values are ignored or collected
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func TestHttpJsonOn404(t *testing.T) {
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jolokia := genJolokiaClientStub(validJavaMultiValueJSON, 404, Servers,
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[]Metric{HeapMetric})
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var acc testutil.Accumulator
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err := jolokia.Gather(&acc)
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assert.Nil(t, err)
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assert.Equal(t, 0, len(acc.Metrics))
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}
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// Test that the proper values are ignored or collected for class=Cassandra
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func TestHttpJsonCassandraMultiValue(t *testing.T) {
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cassandra := genJolokiaClientStub(validCassandraMultiValueJSON, 200, Servers, []Metric{ReadLatencyMetric})
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var acc testutil.Accumulator
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err := cassandra.Gather(&acc)
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assert.Nil(t, err)
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assert.Equal(t, 1, len(acc.Metrics))
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fields := map[string]interface{}{
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"ReadLatency_999thPercentile": 20.0,
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"ReadLatency_99thPercentile": 10.0,
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"ReadLatency_Count": 400.0,
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"ReadLatency_DurationUnit": "microseconds",
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"ReadLatency_Max": 30.0,
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"ReadLatency_MeanRate": 3.0,
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"ReadLatency_Min": 1.0,
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"ReadLatency_RateUnit": "events/second",
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}
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tags := map[string]string{
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"host": "10.10.10.10",
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"mname": "ReadLatency",
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"keyspace": "test_keyspace1",
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"scope": "test_table",
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}
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acc.AssertContainsTaggedFields(t, "cassandraTable", fields, tags)
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}
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// Test that the proper values are ignored or collected for class=Cassandra with
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// nested values
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func TestHttpJsonCassandraNestedMultiValue(t *testing.T) {
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cassandra := genJolokiaClientStub(validCassandraNestedMultiValueJSON, 200, Servers, []Metric{NestedReadLatencyMetric})
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var acc testutil.Accumulator
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acc.SetDebug(true)
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err := cassandra.Gather(&acc)
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assert.Nil(t, err)
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assert.Equal(t, 2, len(acc.Metrics))
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fields1 := map[string]interface{}{
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"ReadLatency_999thPercentile": 1.0,
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"ReadLatency_Count": 100.0,
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"ReadLatency_DurationUnit": "microseconds",
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"ReadLatency_OneMinuteRate": 1.0,
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"ReadLatency_RateUnit": "events/second",
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}
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fields2 := map[string]interface{}{
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"ReadLatency_999thPercentile": 2.0,
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"ReadLatency_Count": 200.0,
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"ReadLatency_DurationUnit": "microseconds",
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"ReadLatency_OneMinuteRate": 2.0,
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"ReadLatency_RateUnit": "events/second",
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}
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tags1 := map[string]string{
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"host": "10.10.10.10",
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"mname": "ReadLatency",
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"keyspace": "test_keyspace1",
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"scope": "test_table1",
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}
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tags2 := map[string]string{
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"host": "10.10.10.10",
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"mname": "ReadLatency",
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"keyspace": "test_keyspace2",
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"scope": "test_table2",
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}
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acc.AssertContainsTaggedFields(t, "cassandraTable", fields1, tags1)
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acc.AssertContainsTaggedFields(t, "cassandraTable", fields2, tags2)
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}
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