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DataCollectorQueriesAcceptanceTest.scala
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DataCollectorQueriesAcceptanceTest.scala
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/*
* Copyright (c) 2002-2019 "Neo4j,"
* Neo4j Sweden AB [http://neo4j.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.internal.collector
import java.nio.file.Files
import org.scalatest.matchers.{MatchResult, Matcher}
import scala.collection.mutable.ArrayBuffer
class DataCollectorQueriesAcceptanceTest extends DataCollectorTestSupport {
import DataCollectorMatchers._
test("should collect and retrieve queries") {
// given
execute("MATCH (n) RETURN count(n)")
execute("MATCH (n)-->(m) RETURN n,m")
execute("WITH 'hi' AS x RETURN x+'-ho'")
// when
val res = execute("CALL db.stats.retrieve('QUERIES')").toList
// then
res should beListWithoutOrder(
beMapContaining(
"section" -> "QUERIES",
"data" -> beMapContaining(
"query" -> "MATCH (n) RETURN count(n)"
)
),
beMapContaining(
"section" -> "QUERIES",
"data" -> beMapContaining(
"query" -> "MATCH (n)-->(m) RETURN n,m"
)
),
beMapContaining(
"section" -> "QUERIES",
"data" -> beMapContaining(
"query" -> "WITH 'hi' AS x RETURN x+'-ho'"
)
)
)
}
test("should allow explicit control over query collection") {
// given
execute("CALL db.stats.stop('QUERIES')").single
execute("RETURN 'not collected!'")
execute("CALL db.stats.collect('QUERIES')").single
execute("MATCH (n) RETURN count(n)")
execute("CALL db.stats.stop('QUERIES')").single
execute("RETURN 'not collected!'")
// when
val res = execute("CALL db.stats.retrieve('QUERIES')").toList
// then
res should beListWithoutOrder(
beMapContaining(
"section" -> "QUERIES",
"data" -> beMapContaining(
"query" -> "MATCH (n) RETURN count(n)"
)
)
)
}
test("should clear queries") {
// given
assertCollecting("QUERIES")
execute("MATCH (n) RETURN count(n)")
execute("CALL db.stats.stop('QUERIES')").single
execute("CALL db.stats.retrieve('QUERIES')").toList should have size 1
// when
execute("CALL db.stats.clear('QUERIES')").single
// then
execute("CALL db.stats.retrieve('QUERIES')").toList should be(empty)
}
test("should append queries if restarted collection") {
// given
assertCollecting("QUERIES")
execute("MATCH (n) RETURN count(n)")
execute("CALL db.stats.stop('QUERIES')").single
execute("CALL db.stats.retrieve('QUERIES')").toList should have size 1
// when
execute("CALL db.stats.collect('QUERIES')").single
execute("RETURN 'another query'")
execute("CALL db.stats.stop('QUERIES')").single
execute("CALL db.stats.retrieve('QUERIES')").toList should have size 2
}
test("should stop collection after specified time") {
// given
execute("CALL db.stats.stop('QUERIES')").single
execute("CALL db.stats.collect('QUERIES', {durationSeconds: 3})").single
execute("MATCH (n) RETURN count(n)")
Thread.sleep(4000)
// then
assertIdle("QUERIES")
// and when
execute("RETURN 'late query'")
// then
execute("CALL db.stats.retrieve('QUERIES')").toList should have size 1
}
test("should not stop later collection event after initial timeout") {
// given
execute("CALL db.stats.stop('QUERIES')").single
execute("CALL db.stats.collect('QUERIES', {durationSeconds: 3})").single
execute("MATCH (n) RETURN count(n)")
execute("CALL db.stats.stop('QUERIES')").single
execute("CALL db.stats.collect('QUERIES')").single
Thread.sleep(4000)
// then
assertCollecting("QUERIES")
}
test("should retrieve query execution plan and estimated rows") {
// given
execute("CALL db.stats.stop('QUERIES')").single
execute("CREATE (a), (b), (c)")
execute("CALL db.stats.collect('QUERIES')").single
execute("MATCH (n) RETURN sum(id(n))")
execute("MATCH (n) RETURN count(n)")
execute("CALL db.stats.stop('QUERIES')").single
// when
val res = execute("CALL db.stats.retrieve('QUERIES')").toList
// then
res should beListWithoutOrder(
beMapContaining(
"section" -> "QUERIES",
"data" -> beMapContaining(
"query" -> "MATCH (n) RETURN sum(id(n))",
"queryExecutionPlan" -> Map(
"id" -> 0,
"operator" -> "ProduceResults",
"lhs" -> Map(
"id" -> 1,
"operator" -> "EagerAggregation",
"lhs" -> Map(
"id" -> 2,
"operator" -> "AllNodesScan"
)
)
),
"estimatedRows" -> List(1.0, 1.0, 3.0)
)
),
beMapContaining(
"section" -> "QUERIES",
"data" -> beMapContaining(
"query" -> "MATCH (n) RETURN count(n)",
"queryExecutionPlan" -> Map(
"id" -> 0,
"operator" -> "ProduceResults",
"lhs" -> Map(
"id" -> 1,
"operator" -> "NodeCountFromCountStore"
)
),
"estimatedRows" -> List(1.0, 1.0)
)
)
)
}
test("should retrieve invocations of query") {
// given
execute("MATCH (n {p: $param}) RETURN count(n)", Map("param" -> "BrassLeg"))
execute("MATCH (n {p: $param}) RETURN count(n)", Map("param" -> 2))
execute("WITH 42 AS x RETURN x")
execute("MATCH (n {p: $param}) RETURN count(n)", Map("param" -> List(3.1, 3.2)))
execute("WITH 42 AS x RETURN x")
// when
val res = execute("CALL db.stats.retrieve('QUERIES')").toList
// then
res should beListWithoutOrder(
beMapContaining(
"section" -> "QUERIES",
"data" -> beMapContaining(
"query" -> "MATCH (n {p: $param}) RETURN count(n)",
"invocations" -> beInvocationsInOrder(
Map("param" -> "BrassLeg"),
Map("param" -> Long.box(2)),
Map("param" -> List(3.1, 3.2))
)
)
),
beMapContaining(
"section" -> "QUERIES",
"data" -> beMapContaining(
"query" -> "WITH 42 AS x RETURN x",
"invocations" -> beInvocationCount(2)
)
)
)
}
test("should retrieve invocation summary of query") {
// given
execute("MATCH (n {p: $param}) RETURN count(n)", Map("param" -> "BrassLeg"))
execute("MATCH (n {p: $param}) RETURN count(n)", Map("param" -> 2))
execute("WITH 42 AS x RETURN x")
execute("MATCH (n {p: $param}) RETURN count(n)", Map("param" -> List(3.1, 3.2)))
execute("WITH 42 AS x RETURN x")
// when
val res = execute("CALL db.stats.retrieve('QUERIES')").toList
// then
res should beListWithoutOrder(
beMapContaining(
"section" -> "QUERIES",
"data" -> QueryWithInvocationSummary("MATCH (n {p: $param}) RETURN count(n)")
),
beMapContaining(
"section" -> "QUERIES",
"data" -> QueryWithInvocationSummary("WITH 42 AS x RETURN x")
)
)
}
test("should limit number of retrieved invocations of query") {
// given
execute("MATCH (n {p: $param}) RETURN count(n)", Map("param" -> "BrassLeg"))
execute("MATCH (n {p: $param}) RETURN count(n)", Map("param" -> 2))
execute("WITH 42 AS x RETURN x")
execute("MATCH (n {p: $param}) RETURN count(n)", Map("param" -> List(3.1, 3.2)))
execute("WITH 42 AS x RETURN x")
execute("WITH 42 AS x RETURN x")
execute("WITH 42 AS x RETURN x")
// when
val res = execute("CALL db.stats.retrieve('QUERIES', {maxInvocations: 2})").toList
// then
res should beListWithoutOrder(
beMapContaining(
"section" -> "QUERIES",
"data" -> beMapContaining(
"query" -> "MATCH (n {p: $param}) RETURN count(n)",
"invocations" -> beInvocationsInOrder(
Map("param" -> "BrassLeg"),
Map("param" -> 2)
)
)
),
beMapContaining(
"section" -> "QUERIES",
"data" -> beMapContaining(
"query" -> "WITH 42 AS x RETURN x",
"invocations" -> beInvocationCount(2)
)
)
)
}
test("should fail on incorrect maxInvocations") {
execute("CALL db.stats.retrieve('QUERIES', {})").toList // missing maxInvocations argument is fine
execute("CALL db.stats.retrieve('QUERIES', {maxIndications: -1})").toList // non-related arguments is fine
assertInvalidArgument("CALL db.stats.retrieve('QUERIES', {maxInvocations: 'non-integer'})") // non-integer is not fine
assertInvalidArgument("CALL db.stats.retrieve('QUERIES', {maxInvocations: -1})") // negative integer is not fine
}
test("[retrieveAllAnonymized] should anonymize tokens inside queries") {
// given
execute("CALL db.stats.stop('QUERIES')").single
execute("CREATE (:User {age: 99})-[:KNOWS]->(:Buddy {p: 42})-[:WANTS]->(:Raccoon)") // create tokens
execute("CALL db.stats.collect('QUERIES')").single
execute("MATCH (:User)-[:KNOWS]->(:Buddy)-[:WANTS]->(:Raccoon) RETURN 1")
execute("MATCH ({p: 42}), ({age: 43}) RETURN 1")
execute("CALL db.stats.stop('QUERIES')").single
// when
val res = execute("CALL db.stats.retrieveAllAnonymized('myToken')")
// then
res.toList should beListWithoutOrder(
querySection("MATCH (:L0)-[:R0]->(:L1)-[:R1]->(:L2) RETURN 1"),
querySection("MATCH ({p1: 42}), ({p0: 43}) RETURN 1")
)
}
test("[retrieveAllAnonymized] should handle pre-parser options") {
// given
execute("CREATE (:User {age: 99})-[:KNOWS]->(:Buddy {p: 42})-[:WANTS]->(:Raccoon)") // create tokens
execute("CALL db.stats.collect('QUERIES')").single
execute("EXPLAIN MATCH (:User)-[:KNOWS]->(:Buddy)-[:WANTS]->(:Raccoon) RETURN 1")
execute("CYPHER 3.4 runtime=interpreted PROFILE CREATE ()")
execute("CALL db.stats.stop('QUERIES')").single
// when
val res = execute("CALL db.stats.retrieveAllAnonymized('myToken')")
// then
res.toList should beListWithoutOrder(
querySection("EXPLAIN MATCH (:L0)-[:R0]->(:L1)-[:R1]->(:L2) RETURN 1"),
querySection("CYPHER 3.4 runtime=interpreted PROFILE CREATE ()")
)
}
test("[retrieveAllAnonymized] should handle load csv") {
// given
val path = Files.createTempFile("data", ".csv")
val url = path.toUri.toURL.toString
execute("CALL db.stats.collect('QUERIES')").single
execute(s"LOAD CSV FROM '$url' AS row CREATE ({key: row[0]})")
execute(s"USING PERIODIC COMMIT 30 LOAD CSV FROM '$url' AS row CREATE ({key: row[0]})")
execute("CALL db.stats.stop('QUERIES')").single
// when
val res = execute("CALL db.stats.retrieveAllAnonymized('myToken')")
// then
val urlLength = url.length
res.toList should beListWithoutOrder(
querySection(s"LOAD CSV FROM 'string[$urlLength]' AS var0 CREATE ({UNKNOWN0: var0[0]})"),
querySection(s"USING PERIODIC COMMIT 30 LOAD CSV FROM 'string[$urlLength]' AS var0 CREATE ({UNKNOWN0: var0[0]})")
)
}
test("[retrieveAllAnonymized] should anonymize unknown tokens inside queries") {
// given
execute("MATCH (:User)-[:KNOWS]->(:Buddy)-[:WANTS]->(:Raccoon) RETURN 1")
execute("MATCH ({p: 42}), ({age: 43}) RETURN 1")
// when
val res = execute("CALL db.stats.retrieveAllAnonymized('myToken')")
// then
res.toList should beListWithoutOrder(
querySection("MATCH (:UNKNOWN0)-[:UNKNOWN1]->(:UNKNOWN2)-[:UNKNOWN3]->(:UNKNOWN4) RETURN 1"),
querySection("MATCH ({UNKNOWN0: 42}), ({UNKNOWN1: 43}) RETURN 1")
)
}
test("[retrieveAllAnonymized] should anonymize string literals inside queries") {
// given
execute("RETURN 'Scrooge' AS uncle, 'Donald' AS name")
// when
val res = execute("CALL db.stats.retrieveAllAnonymized('myToken')")
// then
res.toList should beListWithoutOrder(
querySection("RETURN 'string[7]' AS var0, 'string[6]' AS var1")
)
}
test("[retrieveAllAnonymized] should anonymize variables and return names") {
// given
execute("RETURN 42 AS x")
execute("WITH 42 AS x RETURN x")
execute("WITH 1 AS k RETURN k + k")
// when
val res = execute("CALL db.stats.retrieveAllAnonymized('myToken')")
// then
res.toList should beListWithoutOrder(
querySection("RETURN 42 AS var0"),
querySection("WITH 42 AS var0 RETURN var0"),
querySection("WITH 1 AS var0 RETURN var0 + var0")
)
}
test("[retrieveAllAnonymized] should anonymize parameters") {
// given
execute("RETURN 42 = $user, $name", Map("user" -> "BrassLeg", "name" -> "George"))
execute("RETURN 42 = $user, $name", Map("user" -> 2, "name" -> "Glinda"))
execute("RETURN 42 = $user, $name", Map("user" -> List(3.1, 3.2), "name" -> "Kim"))
execute("RETURN $user, $name, $user + $name", Map("user" -> List(3.1, 3.2), "name" -> "Kim"))
// when
val res = execute("CALL db.stats.retrieveAllAnonymized('myToken')")
// then
res.toList should beListWithoutOrder(
beMapContaining(
"section" -> "QUERIES",
"data" -> beMapContaining(
"query" -> "RETURN 42 = $param0, $param1",
"invocations" -> beInvocationsInOrder(
"4ac156c0", // Map("user" -> "BrassLeg", "name" -> "George")
"b439d06c", // Map("user" -> 2, "name" -> "Glinda")
"e5adc9ad" // Map("user" -> List(3.1, 3.2), "name" -> "Kim")
)
)
),
beMapContaining(
"section" -> "QUERIES",
"data" -> beMapContaining(
"query" -> "RETURN $param0, $param1, $param0 + $param1",
"invocations" -> beInvocationsInOrder(
"e5adc9ad" // Map("user" -> List(3.1, 3.2), "name" -> "Kim")
)
)
)
)
}
private def querySection(queryText: String) =
beMapContaining(
"section" -> "QUERIES",
"data" -> beMapContaining(
"query" -> beCypher(queryText)
)
)
case class QueryWithInvocationSummary(expectedQuery: String) extends Matcher[AnyRef] {
override def apply(left: AnyRef): MatchResult = {
left match {
case m: Map[String, AnyRef] =>
val query = m("query")
if (query != expectedQuery)
return MatchResult(matches = false,
s"""Expected query
| $expectedQuery
|got
| $query""".stripMargin, "")
val invocations = m("invocations").asInstanceOf[Seq[Map[String, AnyRef]]]
val compileTimes = invocations.map(inv => inv("elapsedCompileTimeInUs").asInstanceOf[Long])
val executionTimes = invocations.map(inv => inv("elapsedExecutionTimeInUs").asInstanceOf[Long])
beMapContaining(
"compileTimeInUs" -> beMapContaining(
"min" -> compileTimes.min,
"max" -> compileTimes.max,
"avg" -> (compileTimes.sum / compileTimes.size)
),
"executionTimeInUs" -> beMapContaining(
"min" -> executionTimes.min,
"max" -> executionTimes.max,
"avg" -> (executionTimes.sum / executionTimes.size)
),
"invocationCount" -> invocations.size
).apply(m("invocationSummary"))
case _ =>
MatchResult(matches = false, s"Expected map, got $left", "")
}
}
}
def beInvocationCount(count: Int) = InvocationsMatcher((0 until count).map(_ => null))
def beInvocationsInOrder(expectedParams: AnyRef*) = InvocationsMatcher(expectedParams)
case class InvocationsMatcher(expectedParams: Seq[AnyRef]) extends Matcher[AnyRef] {
override def apply(left: AnyRef): MatchResult = {
val errors = new ArrayBuffer[String]
left match {
case values: Seq[AnyRef] =>
var previousInvocationTime = 0L
for (i <- expectedParams.indices) {
val expectedParam = expectedParams(i)
if (i < values.size) {
values(i) match {
case map: Map[String, AnyRef] =>
if (expectedParam != null) {
val params = map.getOrElse("params", null)
if (params != expectedParam)
errors += s"Expected invocation with params '$expectedParam' at position $i, but has params '$params'"
}
map("elapsedExecutionTimeInUs").asInstanceOf[Long] should be > 0L
map("elapsedCompileTimeInUs").asInstanceOf[Long] should be > 0L
map("startTimestampMillis").asInstanceOf[Long] should be > 0L
val invocationTime = map("startTimestampMillis").asInstanceOf[Long]
if (invocationTime < previousInvocationTime)
errors += s"Expected invocations to be ordered by start timestamp, but got invocation with timestamp $invocationTime ordered after invocation with timestamp $previousInvocationTime"
previousInvocationTime = invocationTime
case x => errors += s"Expected all invocations to be maps, but got $x"
}
} else
errors += s"Expected invocation with param '$expectedParam' at position $i, but list was too small"
}
if (values.size > expectedParams.size)
errors += s"Expected ${expectedParams.size} invocations, but got additional invocations ${values.slice(expectedParams.size, values.size)}"
case x =>
errors += s"Expected invocation list but got '$x'"
}
MatchResult(
matches = errors.isEmpty,
rawFailureMessage = "Encountered a bunch of errors: " + errors.map(" "+_).mkString("\n", "\n", "\n"),
rawNegatedFailureMessage = "BAH"
)
}
override def toString(): String = s"invocations with params (${expectedParams.mkString(", ")})"
}
}