[nhcb branch] Enhance unit test framework for nhcb and warnings (#14009)

* process custom values in histogram unit test framework
* check for warnings when evaluating in unit test framework
* add test cases for custom buckets in test framework

Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
This commit is contained in:
zenador 2024-05-08 19:58:24 +08:00 committed by GitHub
parent 5f153a8b3f
commit 545a7e48f9
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
11 changed files with 443 additions and 366 deletions

View file

@ -225,6 +225,9 @@ func (h *FloatHistogram) TestExpression() string {
if m.ZeroThreshold != 0 {
res = append(res, fmt.Sprintf("z_bucket_w:%g", m.ZeroThreshold))
}
if m.UsesCustomBuckets() {
res = append(res, fmt.Sprintf("custom_values:%g", m.CustomValues))
}
addBuckets := func(kind, bucketsKey, offsetKey string, buckets []float64, spans []Span) []string {
if len(spans) > 1 {

View file

@ -84,6 +84,7 @@ BUCKETS_DESC
NEGATIVE_BUCKETS_DESC
ZERO_BUCKET_DESC
ZERO_BUCKET_WIDTH_DESC
CUSTOM_VALUES_DESC
%token histogramDescEnd
// Operators.
@ -797,6 +798,11 @@ histogram_desc_item
$$ = yylex.(*parser).newMap()
$$["z_bucket_w"] = $3
}
| CUSTOM_VALUES_DESC COLON bucket_set
{
$$ = yylex.(*parser).newMap()
$$["custom_values"] = $3
}
| BUCKETS_DESC COLON bucket_set
{
$$ = yylex.(*parser).newMap()

View file

@ -67,62 +67,63 @@ const BUCKETS_DESC = 57375
const NEGATIVE_BUCKETS_DESC = 57376
const ZERO_BUCKET_DESC = 57377
const ZERO_BUCKET_WIDTH_DESC = 57378
const histogramDescEnd = 57379
const operatorsStart = 57380
const ADD = 57381
const DIV = 57382
const EQLC = 57383
const EQL_REGEX = 57384
const GTE = 57385
const GTR = 57386
const LAND = 57387
const LOR = 57388
const LSS = 57389
const LTE = 57390
const LUNLESS = 57391
const MOD = 57392
const MUL = 57393
const NEQ = 57394
const NEQ_REGEX = 57395
const POW = 57396
const SUB = 57397
const AT = 57398
const ATAN2 = 57399
const operatorsEnd = 57400
const aggregatorsStart = 57401
const AVG = 57402
const BOTTOMK = 57403
const COUNT = 57404
const COUNT_VALUES = 57405
const GROUP = 57406
const MAX = 57407
const MIN = 57408
const QUANTILE = 57409
const STDDEV = 57410
const STDVAR = 57411
const SUM = 57412
const TOPK = 57413
const aggregatorsEnd = 57414
const keywordsStart = 57415
const BOOL = 57416
const BY = 57417
const GROUP_LEFT = 57418
const GROUP_RIGHT = 57419
const IGNORING = 57420
const OFFSET = 57421
const ON = 57422
const WITHOUT = 57423
const keywordsEnd = 57424
const preprocessorStart = 57425
const START = 57426
const END = 57427
const preprocessorEnd = 57428
const startSymbolsStart = 57429
const START_METRIC = 57430
const START_SERIES_DESCRIPTION = 57431
const START_EXPRESSION = 57432
const START_METRIC_SELECTOR = 57433
const startSymbolsEnd = 57434
const CUSTOM_VALUES_DESC = 57379
const histogramDescEnd = 57380
const operatorsStart = 57381
const ADD = 57382
const DIV = 57383
const EQLC = 57384
const EQL_REGEX = 57385
const GTE = 57386
const GTR = 57387
const LAND = 57388
const LOR = 57389
const LSS = 57390
const LTE = 57391
const LUNLESS = 57392
const MOD = 57393
const MUL = 57394
const NEQ = 57395
const NEQ_REGEX = 57396
const POW = 57397
const SUB = 57398
const AT = 57399
const ATAN2 = 57400
const operatorsEnd = 57401
const aggregatorsStart = 57402
const AVG = 57403
const BOTTOMK = 57404
const COUNT = 57405
const COUNT_VALUES = 57406
const GROUP = 57407
const MAX = 57408
const MIN = 57409
const QUANTILE = 57410
const STDDEV = 57411
const STDVAR = 57412
const SUM = 57413
const TOPK = 57414
const aggregatorsEnd = 57415
const keywordsStart = 57416
const BOOL = 57417
const BY = 57418
const GROUP_LEFT = 57419
const GROUP_RIGHT = 57420
const IGNORING = 57421
const OFFSET = 57422
const ON = 57423
const WITHOUT = 57424
const keywordsEnd = 57425
const preprocessorStart = 57426
const START = 57427
const END = 57428
const preprocessorEnd = 57429
const startSymbolsStart = 57430
const START_METRIC = 57431
const START_SERIES_DESCRIPTION = 57432
const START_EXPRESSION = 57433
const START_METRIC_SELECTOR = 57434
const startSymbolsEnd = 57435
var yyToknames = [...]string{
"$end",
@ -161,6 +162,7 @@ var yyToknames = [...]string{
"NEGATIVE_BUCKETS_DESC",
"ZERO_BUCKET_DESC",
"ZERO_BUCKET_WIDTH_DESC",
"CUSTOM_VALUES_DESC",
"histogramDescEnd",
"operatorsStart",
"ADD",
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}
var yyPgo = [...]int16{
0, 353, 13, 352, 6, 15, 350, 263, 349, 347,
344, 209, 265, 343, 14, 342, 10, 11, 341, 337,
8, 336, 3, 4, 333, 2, 1, 0, 332, 12,
5, 330, 326, 18, 191, 325, 317, 7, 316, 304,
17, 303, 34, 300, 299, 298, 297, 293, 292, 291,
290, 249, 9, 271, 270, 268,
0, 334, 13, 332, 6, 15, 328, 263, 327, 319,
318, 213, 265, 317, 14, 312, 10, 11, 311, 309,
8, 305, 3, 4, 304, 2, 1, 0, 302, 12,
5, 301, 300, 18, 191, 299, 298, 7, 295, 294,
17, 293, 56, 292, 291, 290, 274, 271, 270, 268,
259, 250, 9, 258, 252, 251,
}
var yyR1 = [...]int8{
@ -518,14 +523,14 @@ var yyR1 = [...]int8{
14, 14, 14, 55, 19, 19, 19, 19, 18, 18,
18, 18, 18, 18, 18, 18, 18, 28, 28, 28,
20, 20, 20, 20, 21, 21, 21, 22, 22, 22,
22, 22, 22, 22, 22, 22, 23, 23, 24, 24,
24, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 6, 6, 6, 6, 6, 6, 6,
22, 22, 22, 22, 22, 22, 22, 23, 23, 24,
24, 24, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 6, 6, 6, 6, 6, 6,
6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
8, 8, 5, 5, 5, 5, 44, 27, 29, 29,
30, 30, 26, 25, 25, 52, 48, 10, 53, 53,
17, 17,
6, 8, 8, 5, 5, 5, 5, 44, 27, 29,
29, 30, 30, 26, 25, 25, 52, 48, 10, 53,
53, 17, 17,
}
var yyR2 = [...]int8{
@ -545,52 +550,52 @@ var yyR2 = [...]int8{
3, 2, 1, 2, 0, 3, 2, 1, 1, 3,
1, 3, 4, 1, 3, 5, 5, 1, 1, 1,
4, 3, 3, 2, 3, 1, 2, 3, 3, 3,
3, 3, 3, 3, 3, 3, 4, 3, 3, 1,
2, 1, 1, 1, 1, 1, 1, 1, 1, 1,
3, 3, 3, 3, 3, 3, 3, 4, 3, 3,
1, 2, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 2, 2,
1, 1, 1, 2, 1, 1, 1, 1, 0, 1,
0, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 2,
2, 1, 1, 1, 2, 1, 1, 1, 1, 0,
1, 0, 1,
}
var yyChk = [...]int16{
-1000, -54, 88, 89, 90, 91, 2, 10, -12, -7,
-11, 60, 61, 75, 62, 63, 64, 12, 45, 46,
49, 65, 18, 66, 79, 67, 68, 69, 70, 71,
81, 84, 85, 13, -55, -12, 10, -37, -32, -35,
-1000, -54, 89, 90, 91, 92, 2, 10, -12, -7,
-11, 61, 62, 76, 63, 64, 65, 12, 46, 47,
50, 66, 18, 67, 80, 68, 69, 70, 71, 72,
82, 85, 86, 13, -55, -12, 10, -37, -32, -35,
-38, -43, -44, -45, -47, -48, -49, -50, -51, -31,
-3, 12, 19, 15, 25, -8, -7, -42, 60, 61,
62, 63, 64, 65, 66, 67, 68, 69, 70, 71,
39, 55, 13, -51, -11, -13, 20, -14, 12, 2,
-19, 2, 39, 57, 40, 41, 43, 44, 45, 46,
47, 48, 49, 50, 51, 52, 54, 55, 79, 56,
14, -33, -40, 2, 75, 81, 15, -40, -37, -37,
-3, 12, 19, 15, 25, -8, -7, -42, 61, 62,
63, 64, 65, 66, 67, 68, 69, 70, 71, 72,
40, 56, 13, -51, -11, -13, 20, -14, 12, 2,
-19, 2, 40, 58, 41, 42, 44, 45, 46, 47,
48, 49, 50, 51, 52, 53, 55, 56, 80, 57,
14, -33, -40, 2, 76, 82, 15, -40, -37, -37,
-42, -1, 20, -2, 12, -10, 2, 25, 20, 7,
2, 4, 2, 24, -34, -41, -36, -46, 74, -34,
2, 4, 2, 24, -34, -41, -36, -46, 75, -34,
-34, -34, -34, -34, -34, -34, -34, -34, -34, -34,
-34, -34, -34, -34, -52, 55, 2, 9, -30, -9,
2, -27, -29, 84, 85, 19, 39, 55, -52, 2,
-34, -34, -34, -34, -52, 56, 2, 9, -30, -9,
2, -27, -29, 85, 86, 19, 40, 56, -52, 2,
-40, -33, -16, 15, 2, -16, -39, 22, -37, 22,
20, 7, 2, -5, 2, 4, 52, 42, 53, -5,
20, 7, 2, -5, 2, 4, 53, 43, 54, -5,
20, -14, 25, 2, -18, 5, -28, -20, 12, -27,
-29, 16, -37, 78, 80, 76, 77, -37, -37, -37,
-29, 16, -37, 79, 81, 77, 78, -37, -37, -37,
-37, -37, -37, -37, -37, -37, -37, -37, -37, -37,
-37, -37, -52, 15, -27, -27, 21, 6, 2, -15,
22, -4, -6, 2, 60, 74, 61, 75, 62, 63,
64, 76, 77, 12, 78, 45, 46, 49, 65, 18,
66, 79, 80, 67, 68, 69, 70, 71, 84, 85,
57, 22, 7, 20, -2, 25, 2, 25, 2, 26,
26, -29, 26, 39, 55, -21, 24, 17, -22, 30,
28, 29, 35, 36, 33, 31, 34, 32, -16, -16,
-17, -16, -17, 22, -53, -52, 2, 22, 7, 2,
-37, -26, 19, -26, 26, -26, -20, -20, 24, 17,
2, 17, 6, 6, 6, 6, 6, 6, 6, 6,
6, 21, 2, 22, -4, -26, 26, 26, 17, -22,
-25, 55, -26, -30, -27, -27, -27, -23, 14, -25,
-23, -25, -26, -26, -26, -24, -27, 24, 21, 2,
21, -27,
22, -4, -6, 2, 61, 75, 62, 76, 63, 64,
65, 77, 78, 12, 79, 46, 47, 50, 66, 18,
67, 80, 81, 68, 69, 70, 71, 72, 85, 86,
58, 22, 7, 20, -2, 25, 2, 25, 2, 26,
26, -29, 26, 40, 56, -21, 24, 17, -22, 30,
28, 29, 35, 36, 37, 33, 31, 34, 32, -16,
-16, -17, -16, -17, 22, -53, -52, 2, 22, 7,
2, -37, -26, 19, -26, 26, -26, -20, -20, 24,
17, 2, 17, 6, 6, 6, 6, 6, 6, 6,
6, 6, 6, 21, 2, 22, -4, -26, 26, 26,
17, -22, -25, 56, -26, -30, -27, -27, -27, -23,
14, -23, -25, -23, -25, -26, -26, -26, -24, -27,
24, 21, 2, 21, -27,
}
var yyDef = [...]int16{
@ -599,36 +604,36 @@ var yyDef = [...]int16{
109, 110, 111, 112, 113, 114, 115, 116, 117, 118,
119, 120, 121, 0, 2, -2, 3, 4, 8, 9,
10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
0, 106, 216, 0, 226, 0, 83, 84, -2, -2,
0, 106, 217, 0, 227, 0, 83, 84, -2, -2,
-2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
210, 211, 0, 5, 98, 0, 124, 127, 0, 132,
211, 212, 0, 5, 98, 0, 124, 127, 0, 132,
133, 137, 43, 43, 43, 43, 43, 43, 43, 43,
43, 43, 43, 43, 43, 43, 43, 43, 0, 0,
0, 0, 22, 23, 0, 0, 0, 60, 0, 81,
82, 0, 87, 89, 0, 93, 97, 227, 122, 0,
82, 0, 87, 89, 0, 93, 97, 228, 122, 0,
128, 0, 131, 136, 0, 42, 47, 48, 44, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 67, 0, 69, 225, 70, 0,
72, 220, 221, 73, 74, 217, 0, 0, 0, 80,
0, 0, 0, 0, 67, 0, 69, 226, 70, 0,
72, 221, 222, 73, 74, 218, 0, 0, 0, 80,
20, 21, 24, 0, 54, 25, 0, 62, 64, 66,
85, 0, 90, 0, 96, 212, 213, 214, 215, 0,
85, 0, 90, 0, 96, 213, 214, 215, 216, 0,
123, 126, 129, 130, 135, 138, 140, 143, 147, 148,
149, 0, 26, 0, 0, -2, -2, 27, 28, 29,
30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
40, 41, 68, 0, 218, 219, 75, -2, 79, 0,
53, 56, 58, 59, 183, 184, 185, 186, 187, 188,
189, 190, 191, 192, 193, 194, 195, 196, 197, 198,
199, 200, 201, 202, 203, 204, 205, 206, 207, 208,
209, 61, 65, 86, 88, 91, 95, 92, 94, 0,
40, 41, 68, 0, 219, 220, 75, -2, 79, 0,
53, 56, 58, 59, 184, 185, 186, 187, 188, 189,
190, 191, 192, 193, 194, 195, 196, 197, 198, 199,
200, 201, 202, 203, 204, 205, 206, 207, 208, 209,
210, 61, 65, 86, 88, 91, 95, 92, 94, 0,
0, 0, 0, 0, 0, 0, 0, 153, 155, 0,
0, 0, 0, 0, 0, 0, 0, 0, 45, 46,
49, 231, 50, 71, 0, -2, 78, 51, 0, 57,
63, 139, 222, 141, 0, 144, 0, 0, 0, 151,
156, 152, 0, 0, 0, 0, 0, 0, 0, 0,
0, 76, 77, 52, 55, 142, 0, 0, 150, 154,
157, 0, 224, 158, 159, 160, 161, 162, 0, 163,
164, 165, 145, 146, 223, 0, 169, 0, 167, 170,
166, 168,
0, 0, 0, 0, 0, 0, 0, 0, 0, 45,
46, 49, 232, 50, 71, 0, -2, 78, 51, 0,
57, 63, 139, 223, 141, 0, 144, 0, 0, 0,
151, 156, 152, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 76, 77, 52, 55, 142, 0, 0,
150, 154, 157, 0, 225, 158, 159, 160, 161, 162,
0, 163, 164, 165, 166, 145, 146, 224, 0, 170,
0, 168, 171, 167, 169,
}
var yyTok1 = [...]int8{
@ -645,7 +650,7 @@ var yyTok2 = [...]int8{
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,
92, 93,
}
var yyTok3 = [...]int8{
@ -1738,47 +1743,53 @@ yydefault:
yyDollar = yyS[yypt-3 : yypt+1]
{
yyVAL.descriptors = yylex.(*parser).newMap()
yyVAL.descriptors["buckets"] = yyDollar[3].bucket_set
yyVAL.descriptors["custom_values"] = yyDollar[3].bucket_set
}
case 163:
yyDollar = yyS[yypt-3 : yypt+1]
{
yyVAL.descriptors = yylex.(*parser).newMap()
yyVAL.descriptors["offset"] = yyDollar[3].int
yyVAL.descriptors["buckets"] = yyDollar[3].bucket_set
}
case 164:
yyDollar = yyS[yypt-3 : yypt+1]
{
yyVAL.descriptors = yylex.(*parser).newMap()
yyVAL.descriptors["n_buckets"] = yyDollar[3].bucket_set
yyVAL.descriptors["offset"] = yyDollar[3].int
}
case 165:
yyDollar = yyS[yypt-3 : yypt+1]
{
yyVAL.descriptors = yylex.(*parser).newMap()
yyVAL.descriptors["n_offset"] = yyDollar[3].int
yyVAL.descriptors["n_buckets"] = yyDollar[3].bucket_set
}
case 166:
yyDollar = yyS[yypt-4 : yypt+1]
yyDollar = yyS[yypt-3 : yypt+1]
{
yyVAL.bucket_set = yyDollar[2].bucket_set
yyVAL.descriptors = yylex.(*parser).newMap()
yyVAL.descriptors["n_offset"] = yyDollar[3].int
}
case 167:
yyDollar = yyS[yypt-3 : yypt+1]
yyDollar = yyS[yypt-4 : yypt+1]
{
yyVAL.bucket_set = yyDollar[2].bucket_set
}
case 168:
yyDollar = yyS[yypt-3 : yypt+1]
{
yyVAL.bucket_set = append(yyDollar[1].bucket_set, yyDollar[3].float)
yyVAL.bucket_set = yyDollar[2].bucket_set
}
case 169:
yyDollar = yyS[yypt-3 : yypt+1]
{
yyVAL.bucket_set = append(yyDollar[1].bucket_set, yyDollar[3].float)
}
case 170:
yyDollar = yyS[yypt-1 : yypt+1]
{
yyVAL.bucket_set = []float64{yyDollar[1].float}
}
case 216:
case 217:
yyDollar = yyS[yypt-1 : yypt+1]
{
yyVAL.node = &NumberLiteral{
@ -1786,22 +1797,22 @@ yydefault:
PosRange: yyDollar[1].item.PositionRange(),
}
}
case 217:
case 218:
yyDollar = yyS[yypt-1 : yypt+1]
{
yyVAL.float = yylex.(*parser).number(yyDollar[1].item.Val)
}
case 218:
case 219:
yyDollar = yyS[yypt-2 : yypt+1]
{
yyVAL.float = yyDollar[2].float
}
case 219:
case 220:
yyDollar = yyS[yypt-2 : yypt+1]
{
yyVAL.float = -yyDollar[2].float
}
case 222:
case 223:
yyDollar = yyS[yypt-1 : yypt+1]
{
var err error
@ -1810,17 +1821,17 @@ yydefault:
yylex.(*parser).addParseErrf(yyDollar[1].item.PositionRange(), "invalid repetition in series values: %s", err)
}
}
case 223:
case 224:
yyDollar = yyS[yypt-2 : yypt+1]
{
yyVAL.int = -int64(yyDollar[2].uint)
}
case 224:
case 225:
yyDollar = yyS[yypt-1 : yypt+1]
{
yyVAL.int = int64(yyDollar[1].uint)
}
case 225:
case 226:
yyDollar = yyS[yypt-1 : yypt+1]
{
var err error
@ -1829,7 +1840,7 @@ yydefault:
yylex.(*parser).addParseErr(yyDollar[1].item.PositionRange(), err)
}
}
case 226:
case 227:
yyDollar = yyS[yypt-1 : yypt+1]
{
yyVAL.node = &StringLiteral{
@ -1837,7 +1848,7 @@ yydefault:
PosRange: yyDollar[1].item.PositionRange(),
}
}
case 227:
case 228:
yyDollar = yyS[yypt-1 : yypt+1]
{
yyVAL.item = Item{
@ -1846,12 +1857,12 @@ yydefault:
Val: yylex.(*parser).unquoteString(yyDollar[1].item.Val),
}
}
case 228:
case 229:
yyDollar = yyS[yypt-0 : yypt+1]
{
yyVAL.duration = 0
}
case 230:
case 231:
yyDollar = yyS[yypt-0 : yypt+1]
{
yyVAL.strings = nil

View file

@ -135,15 +135,16 @@ var key = map[string]ItemType{
}
var histogramDesc = map[string]ItemType{
"sum": SUM_DESC,
"count": COUNT_DESC,
"schema": SCHEMA_DESC,
"offset": OFFSET_DESC,
"n_offset": NEGATIVE_OFFSET_DESC,
"buckets": BUCKETS_DESC,
"n_buckets": NEGATIVE_BUCKETS_DESC,
"z_bucket": ZERO_BUCKET_DESC,
"z_bucket_w": ZERO_BUCKET_WIDTH_DESC,
"sum": SUM_DESC,
"count": COUNT_DESC,
"schema": SCHEMA_DESC,
"offset": OFFSET_DESC,
"n_offset": NEGATIVE_OFFSET_DESC,
"buckets": BUCKETS_DESC,
"n_buckets": NEGATIVE_BUCKETS_DESC,
"z_bucket": ZERO_BUCKET_DESC,
"z_bucket_w": ZERO_BUCKET_WIDTH_DESC,
"custom_values": CUSTOM_VALUES_DESC,
}
// ItemTypeStr is the default string representations for common Items. It does not

View file

@ -566,6 +566,15 @@ func (p *parser) buildHistogramFromMap(desc *map[string]interface{}) *histogram.
p.addParseErrf(p.yyParser.lval.item.PositionRange(), "error parsing z_bucket_w number: %v", val)
}
}
val, ok = (*desc)["custom_values"]
if ok {
customValues, ok := val.([]float64)
if ok {
output.CustomValues = customValues
} else {
p.addParseErrf(p.yyParser.lval.item.PositionRange(), "error parsing custom_values: %v", val)
}
}
buckets, spans := p.buildHistogramBucketsAndSpans(desc, "buckets", "offset")
output.PositiveBuckets = buckets

View file

@ -46,8 +46,8 @@ var (
patSpace = regexp.MustCompile("[\t ]+")
patLoad = regexp.MustCompile(`^load(?:_(with_nhcb))?\s+(.+?)$`)
patEvalInstant = regexp.MustCompile(`^eval(?:_(with_nhcb))?(?:_(fail|ordered))?\s+instant\s+(?:at\s+(.+?))?\s+(.+)$`)
patEvalRange = regexp.MustCompile(`^eval(?:_(fail))?\s+range\s+from\s+(.+)\s+to\s+(.+)\s+step\s+(.+?)\s+(.+)$`)
patEvalInstant = regexp.MustCompile(`^eval(?:_(with_nhcb))?(?:_(fail|warn|ordered))?\s+instant\s+(?:at\s+(.+?))?\s+(.+)$`)
patEvalRange = regexp.MustCompile(`^eval(?:_(fail|warn))?\s+range\s+from\s+(.+)\s+to\s+(.+)\s+step\s+(.+?)\s+(.+)$`)
histogramBucketReplacements = []struct {
pattern *regexp.Regexp
repl string
@ -233,7 +233,7 @@ func (t *test) parseEval(lines []string, i int) (int, *evalCmd, error) {
rangeParts := patEvalRange.FindStringSubmatch(lines[i])
if instantParts == nil && rangeParts == nil {
return i, nil, raise(i, "invalid evaluation command. Must be either 'eval[_with_nhcb][_fail|_ordered] instant [at <offset:duration>] <query>' or 'eval[_fail] range from <from> to <to> step <step> <query>'")
return i, nil, raise(i, "invalid evaluation command. Must be either 'eval[_with_nhcb][_fail|_warn|_ordered] instant [at <offset:duration>] <query>' or 'eval[_fail|_warn] range from <from> to <to> step <step> <query>'")
}
isInstant := instantParts != nil
@ -314,6 +314,8 @@ func (t *test) parseEval(lines []string, i int) (int, *evalCmd, error) {
cmd.ordered = true
case "fail":
cmd.fail = true
case "warn":
cmd.warn = true
}
cmd.withNhcb = withNhcb
@ -636,9 +638,9 @@ type evalCmd struct {
step time.Duration
line int
isRange bool // if false, instant query
fail, ordered bool
withNhcb bool
isRange bool // if false, instant query
fail, warn, ordered bool
withNhcb bool
metrics map[uint64]labels.Labels
expected map[uint64]entry
@ -965,6 +967,13 @@ func (t *test) execRangeEval(cmd *evalCmd, engine QueryEngine) error {
return fmt.Errorf("error creating range query for %q (line %d): %w", cmd.expr, cmd.line, err)
}
res := q.Exec(t.context)
countWarnings, _ := res.Warnings.CountWarningsAndInfo()
if !cmd.warn && countWarnings > 0 {
return fmt.Errorf("unexpected warnings evaluating query %q (line %d): %v", cmd.expr, cmd.line, res.Warnings)
}
if cmd.warn && countWarnings == 0 {
return fmt.Errorf("expected warnings evaluating query %q (line %d) but got none", cmd.expr, cmd.line)
}
if res.Err != nil {
if cmd.fail {
return nil
@ -996,7 +1005,7 @@ func (t *test) execInstantEval(cmd *evalCmd, engine QueryEngine) error {
}
if cmd.withNhcb {
if !strings.Contains(iq.expr, "_bucket") {
return fmt.Errorf("expected _bucket in the expression %q", iq.expr)
return fmt.Errorf("expected '_bucket' in the expression %q", iq.expr)
}
for _, rep := range histogramBucketReplacements {
iq.expr = rep.pattern.ReplaceAllString(iq.expr, rep.repl)
@ -1016,6 +1025,13 @@ func (t *test) runInstantQuery(iq atModifierTestCase, cmd *evalCmd, engine Query
}
defer q.Close()
res := q.Exec(t.context)
countWarnings, _ := res.Warnings.CountWarningsAndInfo()
if !cmd.warn && countWarnings > 0 {
return fmt.Errorf("unexpected warnings evaluating query %q (line %d): %v", iq.expr, cmd.line, res.Warnings)
}
if cmd.warn && countWarnings == 0 {
return fmt.Errorf("expected warnings evaluating query %q (line %d) but got none", iq.expr, cmd.line)
}
if res.Err != nil {
if cmd.fail {
return nil

View file

@ -399,7 +399,7 @@ eval instant at 1m quantile without(point)((scalar(foo)), data)
{test="three samples"} 1.6
{test="uneven samples"} 2.8
eval instant at 1m quantile without(point)(NaN, data)
eval_warn instant at 1m quantile without(point)(NaN, data)
{test="two samples"} NaN
{test="three samples"} NaN
{test="uneven samples"} NaN

View file

@ -830,17 +830,17 @@ eval instant at 1m quantile_over_time(1, data[1m])
{test="three samples"} 2
{test="uneven samples"} 4
eval instant at 1m quantile_over_time(-1, data[1m])
eval_warn instant at 1m quantile_over_time(-1, data[1m])
{test="two samples"} -Inf
{test="three samples"} -Inf
{test="uneven samples"} -Inf
eval instant at 1m quantile_over_time(2, data[1m])
eval_warn instant at 1m quantile_over_time(2, data[1m])
{test="two samples"} +Inf
{test="three samples"} +Inf
{test="uneven samples"} +Inf
eval instant at 1m (quantile_over_time(2, (data[1m])))
eval_warn instant at 1m (quantile_over_time(2, (data[1m])))
{test="two samples"} +Inf
{test="three samples"} +Inf
{test="uneven samples"} +Inf

View file

@ -127,17 +127,17 @@ eval_with_nhcb instant at 50m histogram_quantile(1, testhistogram3_bucket)
{start="negative"} -0.1
# Quantile too low.
eval_with_nhcb instant at 50m histogram_quantile(-0.1, testhistogram_bucket)
eval_with_nhcb_warn instant at 50m histogram_quantile(-0.1, testhistogram_bucket)
{start="positive"} -Inf
{start="negative"} -Inf
# Quantile too high.
eval_with_nhcb instant at 50m histogram_quantile(1.01, testhistogram_bucket)
eval_with_nhcb_warn instant at 50m histogram_quantile(1.01, testhistogram_bucket)
{start="positive"} +Inf
{start="negative"} +Inf
# Quantile invalid.
eval_with_nhcb instant at 50m histogram_quantile(NaN, testhistogram_bucket)
eval_with_nhcb_warn instant at 50m histogram_quantile(NaN, testhistogram_bucket)
{start="positive"} NaN
{start="negative"} NaN
@ -254,6 +254,9 @@ eval_with_nhcb instant at 50m histogram_quantile(0.5, rate(request_duration_seco
{instance="ins1", job="job2"} 0.1
{instance="ins2", job="job2"} 0.11666666666666667
eval instant at 50m sum(request_duration_seconds)
{} {{schema:-53 count:250 custom_values:[0.1 0.2] buckets:[100 90 60]}}
# A histogram with nonmonotonic bucket counts. This may happen when recording
# rule evaluation or federation races scrape ingestion, causing some buckets
# counts to be derived from fewer samples.

View file

@ -269,3 +269,18 @@ eval instant at 50m histogram_sum(sum(incr_sum_histogram))
eval instant at 50m histogram_sum(sum(last_over_time(incr_sum_histogram[5m])))
{} 30
# Test native histograms with custom buckets.
load 5m
custom_buckets_histogram {{schema:-53 sum:5 count:4 custom_values:[5 10] buckets:[1 2 1]}}x10
eval instant at 5m histogram_fraction(5, 10, custom_buckets_histogram)
{} 0.5
eval instant at 5m histogram_quantile(0.5, custom_buckets_histogram)
{} 7.5
eval instant at 5m sum(custom_buckets_histogram)
{} {{schema:-53 sum:5 count:4 custom_values:[5 10] buckets:[1 2 1]}}

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@ -94,6 +94,19 @@ func (a Annotations) AsStrings(query string, maxAnnos int) []string {
return arr
}
func (a Annotations) CountWarningsAndInfo() (int, int) {
var countWarnings, countInfo int
for _, err := range a {
if errors.Is(err, PromQLWarning) {
countWarnings++
}
if errors.Is(err, PromQLInfo) {
countInfo++
}
}
return countWarnings, countInfo
}
//nolint:revive // error-naming.
var (
// Currently there are only 2 types, warnings and info.