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import { SyntaxNode } from '@lezer/common' ;
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import {
addLabelFormatToQuery ,
addLabelToQuery ,
addNoPipelineErrorToQuery ,
addParserToQuery ,
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NodePosition ,
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queryHasFilter ,
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removeCommentsFromQuery ,
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removeLabelFromQuery ,
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} from './modifyQuery' ;
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describe ( 'addLabelToQuery()' , ( ) = > {
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it . each `
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query | description | label | operator | value | expectedResult
$ { '{x="y"}' } | $ { 'no label and value' } | $ { '' } | $ { '=' } | $ { '' } | $ { '' }
$ { '{x="yy"}' } | $ { 'simple query' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { '{x="yy", bar="baz"}' }
$ { '{x="yy"}' } | $ { 'simple query' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { '{x="yy", bar="baz"}' }
$ { '{x="yy"}' } | $ { 'custom operator' } | $ { 'bar' } | $ { '!=' } | $ { 'baz' } | $ { '{x="yy", bar!="baz"}' }
$ { 'rate({}[1m])' } | $ { 'do not modify ranges' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { 'rate({bar="baz"}[1m])' }
$ { 'sum by (host) (rate({} [1m]))' } | $ { 'detect in-order function use' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { 'sum by (host) (rate({bar="baz"}[1m]))' }
$ { '{instance="my-host.com:9100"}' } | $ { 'selectors with punctuation' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { '{instance="my-host.com:9100", bar="baz"}' }
$ { '{list="a,b,c"}' } | $ { 'selectors with punctuation' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { '{list="a,b,c", bar="baz"}' }
$ { 'rate({}[5m]) + rate({}[5m])' } | $ { 'arithmetical expressions' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { 'rate({bar="baz"}[5m]) + rate({bar="baz"}[5m])' }
$ { 'avg(rate({x="y"} [$__interval]))+ sum(rate({}[5m]))' } | $ { 'arithmetical expressions' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { 'avg(rate({x="y", bar="baz"} [$__interval]))+ sum(rate({bar="baz"}[5m]))' }
$ { 'rate({x="yy"}[5m]) * rate({y="zz",a="bb"}[5m]) * rate({}[5m])' } | $ { 'arithmetical expressions' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { 'rate({x="yy", bar="baz"}[5m]) * rate({y="zz", a="bb", bar="baz"}[5m]) * rate({bar="baz"}[5m])' }
$ { '{x="yy", bar!="baz"}' } | $ { 'do not add duplicate labels' } | $ { 'bar' } | $ { '!=' } | $ { 'baz' } | $ { '{x="yy", bar!="baz"}' }
$ { 'rate({bar="baz"}[1m])' } | $ { 'do not add duplicate labels' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { 'rate({bar="baz"}[1m])' }
$ { '{list="a,b,c", bar="baz"}' } | $ { 'do not add duplicate labels' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { '{list="a,b,c", bar="baz"}' }
$ { 'avg(rate({bar="baz"} [$__interval]))+ sum(rate({bar="baz"}[5m]))' } | $ { 'do not add duplicate labels' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { 'avg(rate({bar="baz"} [$__interval]))+ sum(rate({bar="baz"}[5m]))' }
$ { '{x="y"} |="yy"' } | $ { 'do not remove filters' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { '{x="y", bar="baz"} |="yy"' }
$ { '{x="y"} |="yy" !~"xx"' } | $ { 'do not remove filters' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { '{x="y", bar="baz"} |="yy" !~"xx"' }
$ { '{x="y"} or {}' } | $ { 'metric with logical operators' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { '{x="y", bar="baz"} or {bar="baz"}' }
$ { '{x="y"} and {}' } | $ { 'metric with logical operators' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { '{x="y", bar="baz"} and {bar="baz"}' }
$ { 'sum(rate({job="foo"}[2m])) by (value $variable)' } | $ { 'template variables' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { 'sum(rate({job="foo", bar="baz"}[2m])) by (value $variable)' }
$ { 'rate({x="y"}[${__range_s}s])' } | $ { 'metric query with range grafana variable' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { 'rate({x="y", bar="baz"}[${__range_s}s])' }
$ { 'max by (id, name, type) ({type=~"foo|bar|baz-test"}) * on(id) group_right(id, type, name) sum by (id) (rate({} [5m])) * 1000' } | $ { 'metric query with labels in label list with the group modifier' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { 'max by (id, name, type) ({type=~"foo|bar|baz-test", bar="baz"}) * on(id) group_right(id, type, name) sum by (id) (rate({bar="baz"}[5m])) * 1000' }
$ { '{foo="bar"} | logfmt' } | $ { 'query with parser' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { '{foo="bar"} | logfmt | bar=`baz`' }
$ { '{foo="bar"} | logfmt | json' } | $ { 'query with multiple parsers' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { '{foo="bar"} | logfmt | json | bar=`baz`' }
$ { '{foo="bar"} | logfmt | x="y"' } | $ { 'query with parser and label filter' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { '{foo="bar"} | logfmt | x="y" | bar=`baz`' }
$ { 'rate({foo="bar"} | logfmt [5m])' } | $ { 'metric query with parser' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { 'rate({foo="bar"} | logfmt | bar=`baz` [5m])' }
$ { 'sum by(host) (rate({foo="bar"} | logfmt | x="y" | line_format "{{.status}}" [5m]))' } | $ { 'metric query with parser' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { 'sum by(host) (rate({foo="bar"} | logfmt | x="y" | bar=`baz` | line_format "{{.status}}" [5m]))' }
$ { '{foo="bar"} | logfmt | line_format "{{.status}}"' } | $ { 'do not add filter to line_format expressions in query with parser' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { '{foo="bar"} | logfmt | bar=`baz` | line_format "{{.status}}"' }
$ { '{foo="bar"} | logfmt | line_format "{{status}}"' } | $ { 'do not add filter to line_format expressions in query with parser' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { '{foo="bar"} | logfmt | bar=`baz` | line_format "{{status}}"' }
$ { '{}' } | $ { 'query without stream selector' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { '{bar="baz"}' }
$ { '{} | logfmt' } | $ { 'query without stream selector and with parser' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { '{bar="baz"}| logfmt' }
$ { '{} | x="y"' } | $ { 'query without stream selector and with label filter' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { '{bar="baz"}| x="y"' }
$ { '{} | logfmt | x="y"' } | $ { 'query without stream selector and with parser and label filter' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { '{bar="baz"}| logfmt | x="y"' }
$ { 'sum(rate({x="y"} [5m])) + sum(rate({} | logfmt [5m]))' } | $ { 'metric query with 1 empty and 1 not empty stream selector with parser' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { 'sum(rate({x="y", bar="baz"} [5m])) + sum(rate({bar="baz"}| logfmt [5m]))' }
$ { 'sum(rate({x="y"} | logfmt [5m])) + sum(rate({} [5m]))' } | $ { 'metric query with 1 non-empty and 1 not empty stream selector with parser' } | $ { 'bar' } | $ { '=' } | $ { 'baz' } | $ { 'sum(rate({x="y", bar="baz"} | logfmt [5m])) + sum(rate({bar="baz"}[5m]))' }
$ { '{x="yy"}' } | $ { 'simple query with escaped value' } | $ { 'bar' } | $ { '=' } | $ { '"baz"' } | $ { '{x="yy", bar=""baz""}' }
$ { '{x="yy"}' } | $ { 'simple query with escaped value' } | $ { 'bar' } | $ { '=' } | $ { '\\"baz\\"' } | $ { '{x="yy", bar="\\"baz\\""}' }
$ { '{x="yy"}' } | $ { 'simple query with an other escaped value' } | $ { 'bar' } | $ { '=' } | $ { 'baz\\\\' } | $ { '{x="yy", bar="baz\\\\"}' }
$ { '{x="yy"}' } | $ { 'simple query with escaped value and regex operator' } | $ { 'bar' } | $ { '~=' } | $ { 'baz\\\\' } | $ { '{x="yy", bar~="baz\\\\"}' }
$ { '{foo="bar"} | logfmt' } | $ { 'query with parser with escaped value' } | $ { 'bar' } | $ { '=' } | $ { '\\"baz\\"' } | $ { '{foo="bar"} | logfmt | bar=`"baz"`' }
$ { '{foo="bar"} | logfmt' } | $ { 'query with parser with an other escaped value' } | $ { 'bar' } | $ { '=' } | $ { 'baz\\\\' } | $ { '{foo="bar"} | logfmt | bar=`baz\\`' }
$ { '{foo="bar"} | logfmt' } | $ { 'query with parser with escaped value and regex operator' } | $ { 'bar' } | $ { '~=' } | $ { '\\"baz\\"' } | $ { '{foo="bar"} | logfmt | bar~=`"baz"`' }
$ { '{foo="bar"} | logfmt' } | $ { 'query with parser with escaped value and regex operator' } | $ { 'bar' } | $ { '~=' } | $ { '\\"baz\\"' } | $ { '{foo="bar"} | logfmt | bar~=`"baz"`' }
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$ { '{foo="bar"} | logfmt' } | $ { 'query with parser, > operator and number value' } | $ { 'bar' } | $ { '>' } | $ { '5' } | $ { '{foo="bar"} | logfmt | bar>5' }
$ { '{foo="bar"} | logfmt' } | $ { 'query with parser, < operator and non-number value' } | $ { 'bar' } | $ { '<' } | $ { '5KiB' } | $ { '{foo="bar"} | logfmt | bar<`5KiB`' }
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` (
'should add label to query: $query, description: $description' ,
( { query , description , label , operator , value , expectedResult } ) = > {
if ( description === 'no label and value' ) {
expect ( ( ) = > {
addLabelToQuery ( query , label , operator , value ) ;
} ) . toThrow ( ) ;
} else {
expect ( addLabelToQuery ( query , label , operator , value ) ) . toEqual ( expectedResult ) ;
}
}
) ;
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} ) ;
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describe ( 'addParserToQuery' , ( ) = > {
describe ( 'when query had line filter' , ( ) = > {
it ( 'should add parser after line filter' , ( ) = > {
expect ( addParserToQuery ( '{job="grafana"} |= "error"' , 'logfmt' ) ) . toBe ( '{job="grafana"} |= "error" | logfmt' ) ;
} ) ;
it ( 'should add parser after multiple line filters' , ( ) = > {
expect ( addParserToQuery ( '{job="grafana"} |= "error" |= "info" |= "debug"' , 'logfmt' ) ) . toBe (
'{job="grafana"} |= "error" |= "info" |= "debug" | logfmt'
) ;
} ) ;
} ) ;
describe ( 'when query has no line filters' , ( ) = > {
it ( 'should add parser after log stream selector in logs query' , ( ) = > {
expect ( addParserToQuery ( '{job="grafana"}' , 'logfmt' ) ) . toBe ( '{job="grafana"} | logfmt' ) ;
} ) ;
it ( 'should add parser after log stream selector in metric query' , ( ) = > {
expect ( addParserToQuery ( 'rate({job="grafana"} [5m])' , 'logfmt' ) ) . toBe ( 'rate({job="grafana"} | logfmt [5m])' ) ;
} ) ;
} ) ;
} ) ;
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describe ( 'addNoPipelineErrorToQuery' , ( ) = > {
it ( 'should add error filtering after logfmt parser' , ( ) = > {
expect ( addNoPipelineErrorToQuery ( '{job="grafana"} | logfmt' ) ) . toBe ( '{job="grafana"} | logfmt | __error__=``' ) ;
} ) ;
it ( 'should add error filtering after json parser with expressions' , ( ) = > {
expect ( addNoPipelineErrorToQuery ( '{job="grafana"} | json foo="bar", bar="baz"' ) ) . toBe (
'{job="grafana"} | json foo="bar", bar="baz" | __error__=``'
) ;
} ) ;
it ( 'should not add error filtering if no parser' , ( ) = > {
expect ( addNoPipelineErrorToQuery ( '{job="grafana"} |="no parser"' ) ) . toBe ( '{job="grafana"} |="no parser"' ) ;
} ) ;
} ) ;
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describe ( 'addLabelFormatToQuery' , ( ) = > {
it ( 'should add label format at the end of log query when parser' , ( ) = > {
expect ( addLabelFormatToQuery ( '{job="grafana"} | logfmt' , { originalLabel : 'lvl' , renameTo : 'level' } ) ) . toBe (
'{job="grafana"} | logfmt | label_format level=lvl'
) ;
} ) ;
it ( 'should add label format at the end of log query when no parser' , ( ) = > {
expect ( addLabelFormatToQuery ( '{job="grafana"}' , { originalLabel : 'lvl' , renameTo : 'level' } ) ) . toBe (
'{job="grafana"} | label_format level=lvl'
) ;
} ) ;
it ( 'should add label format at the end of log query when more label parser' , ( ) = > {
expect (
addLabelFormatToQuery ( '{job="grafana"} | logfmt | label_format a=b' , { originalLabel : 'lvl' , renameTo : 'level' } )
) . toBe ( '{job="grafana"} | logfmt | label_format a=b | label_format level=lvl' ) ;
} ) ;
it ( 'should add label format at the end of log query part of metrics query' , ( ) = > {
expect (
addLabelFormatToQuery ( 'rate({job="grafana"} | logfmt | label_format a=b [5m])' , {
originalLabel : 'lvl' ,
renameTo : 'level' ,
} )
) . toBe ( 'rate({job="grafana"} | logfmt | label_format a=b | label_format level=lvl [5m])' ) ;
} ) ;
it ( 'should add label format at the end of multiple log query part of metrics query' , ( ) = > {
expect (
addLabelFormatToQuery (
'rate({job="grafana"} | logfmt | label_format a=b [5m]) + rate({job="grafana"} | logfmt | label_format a=b [5m])' ,
{ originalLabel : 'lvl' , renameTo : 'level' }
)
) . toBe (
'rate({job="grafana"} | logfmt | label_format a=b | label_format level=lvl [5m]) + rate({job="grafana"} | logfmt | label_format a=b | label_format level=lvl [5m])'
) ;
} ) ;
} ) ;
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describe ( 'removeCommentsFromQuery' , ( ) = > {
it . each `
query | expectedResult
$ { '{job="grafana"}#hello' } | $ { '{job="grafana"}' }
$ { '{job="grafana"} | logfmt #hello' } | $ { '{job="grafana"} | logfmt ' }
$ { '{job="grafana", bar="baz"} |="test" | logfmt | label_format level=lvl #hello' } | $ { '{job="grafana", bar="baz"} |="test" | logfmt | label_format level=lvl ' }
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$ { ` #sum(rate( \ n{host="containers"} \ n#[1m])) ` } | $ { ` \ n{host="containers"} \ n ` }
$ { ` #sum(rate( \ n{host="containers"} \ n#| logfmt \ n#[1m])) ` } | $ { ` \ n{host="containers"} \ n \ n ` }
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$ { '{job="grafana"}\n#hello\n| logfmt' } | $ { '{job="grafana"}\n\n| logfmt' }
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` ('strips comments in log query: { $ query}', ({ query, expectedResult }) => {
expect ( removeCommentsFromQuery ( query ) ) . toBe ( expectedResult ) ;
} ) ;
it . each `
query | expectedResult
$ { '{job="grafana"}' } | $ { '{job="grafana"}' }
$ { '{job="grafana"} | logfmt' } | $ { '{job="grafana"} | logfmt' }
$ { '{job="grafana", bar="baz"} |="test" | logfmt | label_format level=lvl' } | $ { '{job="grafana", bar="baz"} |="test" | logfmt | label_format level=lvl' }
` ('returns original query if no comments in log query: { $ query}', ({ query, expectedResult }) => {
expect ( removeCommentsFromQuery ( query ) ) . toBe ( expectedResult ) ;
} ) ;
it . each `
query | expectedResult
$ { 'count_over_time({job="grafana"}[10m])#hello' } | $ { 'count_over_time({job="grafana"}[10m])' }
$ { 'count_over_time({job="grafana"} | logfmt[10m])#hello' } | $ { 'count_over_time({job="grafana"} | logfmt[10m])' }
$ { 'rate({job="grafana"} | logfmt | foo="bar" [10m])#hello' } | $ { 'rate({job="grafana"} | logfmt | foo="bar" [10m])' }
` ('strips comments in metrics query: { $ query}', ({ query, expectedResult }) => {
expect ( removeCommentsFromQuery ( query ) ) . toBe ( expectedResult ) ;
} ) ;
it . each `
query | expectedResult
$ { 'count_over_time({job="grafana"}[10m])#hello' } | $ { 'count_over_time({job="grafana"}[10m])' }
$ { 'count_over_time({job="grafana"} | logfmt[10m])#hello' } | $ { 'count_over_time({job="grafana"} | logfmt[10m])' }
$ { 'rate({job="grafana"} | logfmt | foo="bar" [10m])' } | $ { 'rate({job="grafana"} | logfmt | foo="bar" [10m])' }
` ('returns original query if no comments in metrics query: { $ query}', ({ query, expectedResult }) => {
expect ( removeCommentsFromQuery ( query ) ) . toBe ( expectedResult ) ;
} ) ;
} ) ;
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describe ( 'NodePosition' , ( ) = > {
describe ( 'contains' , ( ) = > {
it ( 'should return true if the position is contained within the current position' , ( ) = > {
const position = new NodePosition ( 5 , 10 ) ;
const containedPosition = new NodePosition ( 6 , 9 ) ;
const result = position . contains ( containedPosition ) ;
expect ( result ) . toBe ( true ) ;
} ) ;
it ( 'should return false if the position is not contained within the current position' , ( ) = > {
const position = new NodePosition ( 5 , 10 ) ;
const outsidePosition = new NodePosition ( 11 , 15 ) ;
const result = position . contains ( outsidePosition ) ;
expect ( result ) . toBe ( false ) ;
} ) ;
it ( 'should return true if the position is the same as the current position' , ( ) = > {
const position = new NodePosition ( 5 , 10 ) ;
const samePosition = new NodePosition ( 5 , 10 ) ;
const result = position . contains ( samePosition ) ;
expect ( result ) . toBe ( true ) ;
} ) ;
} ) ;
describe ( 'getExpression' , ( ) = > {
it ( 'should return the substring of the query within the given position' , ( ) = > {
const position = new NodePosition ( 7 , 12 ) ;
const query = 'Hello, world!' ;
const result = position . getExpression ( query ) ;
expect ( result ) . toBe ( 'world' ) ;
} ) ;
it ( 'should return an empty string if the position is out of range' , ( ) = > {
const position = new NodePosition ( 15 , 20 ) ;
const query = 'Hello, world!' ;
const result = position . getExpression ( query ) ;
expect ( result ) . toBe ( '' ) ;
} ) ;
} ) ;
describe ( 'fromNode' , ( ) = > {
it ( 'should create a new NodePosition instance from a SyntaxNode' , ( ) = > {
const syntaxNode = {
from : 5 ,
to : 10 ,
type : 'identifier' ,
} as unknown as SyntaxNode ;
const result = NodePosition . fromNode ( syntaxNode ) ;
expect ( result ) . toBeInstanceOf ( NodePosition ) ;
expect ( result . from ) . toBe ( 5 ) ;
expect ( result . to ) . toBe ( 10 ) ;
expect ( result . type ) . toBe ( 'identifier' ) ;
} ) ;
} ) ;
} ) ;
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describe ( 'queryHasFilter' , ( ) = > {
it . each ( [
[ '{job="grafana"}' , 'grafana' ] ,
[ '{job="grafana", foo="bar"}' , 'grafana' ] ,
[ '{foo="bar", job="grafana"}' , 'grafana' ] ,
[ '{job="\\"grafana\\""}' , '"grafana"' ] ,
[ '{foo="bar"} | logfmt | job=`grafana`' , 'grafana' ] ,
] ) ( 'should return true if query has a positive filter' , ( query : string , value : string ) = > {
expect ( queryHasFilter ( query , 'job' , '=' , value ) ) . toBe ( true ) ;
} ) ;
it . each ( [
[ '{job!="grafana"}' , 'grafana' ] ,
[ '{job!="grafana", foo="bar"}' , 'grafana' ] ,
[ '{foo="bar", job!="grafana"}' , 'grafana' ] ,
[ '{job!="\\"grafana\\""}' , '"grafana"' ] ,
[ '{foo="bar"} | logfmt | job!=`grafana`' , 'grafana' ] ,
] ) ( 'should return true if query has a negative filter' , ( query : string , value : string ) = > {
expect ( queryHasFilter ( query , 'job' , '!=' , value ) ) . toBe ( true ) ;
} ) ;
} ) ;
describe ( 'removeLabelFromQuery' , ( ) = > {
it . each ( [
[ '{job="grafana"}' , 'grafana' , '{}' ] ,
[ '{job="grafana", foo="bar"}' , 'grafana' , '{foo="bar"}' ] ,
[ '{foo="bar", job="grafana"}' , 'grafana' , '{foo="bar"}' ] ,
[ '{job="\\"grafana\\""}' , '"grafana"' , '{}' ] ,
[ '{foo="bar"} | logfmt | job=`grafana`' , 'grafana' , '{foo="bar"} | logfmt' ] ,
] ) ( 'should remove a positive label matcher from the query' , ( query : string , value : string , expected : string ) = > {
expect ( removeLabelFromQuery ( query , 'job' , '=' , value ) ) . toBe ( expected ) ;
} ) ;
it . each ( [
[ '{job!="grafana"}' , 'grafana' , '{}' ] ,
[ '{job!="grafana", foo="bar"}' , 'grafana' , '{foo="bar"}' ] ,
[ '{foo="bar", job!="grafana"}' , 'grafana' , '{foo="bar"}' ] ,
[ '{job!="\\"grafana\\""}' , '"grafana"' , '{}' ] ,
[ '{foo="bar"} | logfmt | job!=`grafana`' , 'grafana' , '{foo="bar"} | logfmt' ] ,
] ) ( 'should remove a negative label matcher from the query' , ( query : string , value : string , expected : string ) = > {
expect ( removeLabelFromQuery ( query , 'job' , '!=' , value ) ) . toBe ( expected ) ;
} ) ;
} ) ;
