mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-11-21 14:44:00 +00:00
3b1e40d73f
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4284 See also https://github.com/VictoriaMetrics/VictoriaMetrics/pull/4304
575 lines
14 KiB
Go
575 lines
14 KiB
Go
package prometheus
|
|
|
|
import (
|
|
"math"
|
|
"reflect"
|
|
"testing"
|
|
)
|
|
|
|
func TestGetRowsDiff(t *testing.T) {
|
|
f := func(s1, s2, resultExpected string) {
|
|
t.Helper()
|
|
result := GetRowsDiff(s1, s2)
|
|
if result != resultExpected {
|
|
t.Fatalf("unexpected result for GetRowsDiff(%q, %q); got %q; want %q", s1, s2, result, resultExpected)
|
|
}
|
|
}
|
|
f("", "", "")
|
|
f("", "foo 1", "")
|
|
f(" ", "foo 1", "")
|
|
f("foo 123", "", "foo 0\n")
|
|
f("foo 123", "bar 3", "foo 0\n")
|
|
f("foo 123", "bar 3\nfoo 344", "")
|
|
f("foo{x=\"y\", z=\"a a a\"} 123", "bar 3\nfoo{x=\"y\", z=\"b b b\"} 344", "foo{x=\"y\",z=\"a a a\"} 0\n")
|
|
f("foo{bar=\"baz\"} 123\nx 3.4 5\ny 5 6", "x 34 342", "foo{bar=\"baz\"} 0\ny 0\n")
|
|
}
|
|
|
|
func TestAreIdenticalSeriesFast(t *testing.T) {
|
|
f := func(s1, s2 string, resultExpected bool) {
|
|
t.Helper()
|
|
result := AreIdenticalSeriesFast(s1, s2)
|
|
if result != resultExpected {
|
|
t.Fatalf("unexpected result for AreIdenticalSeries(%q, %q); got %v; want %v", s1, s2, result, resultExpected)
|
|
}
|
|
}
|
|
f("", "", true)
|
|
f("", "a 1", false) // different number of metrics
|
|
f(" ", " a 1", false) // different number of metrics
|
|
f("a 1", "", false) // different number of metrics
|
|
f(" a 1", " ", false) // different number of metrics
|
|
f("foo", "foo", true) // consider series identical if they miss value
|
|
f("foo 1", "foo 1", true)
|
|
f("foo 1", "foo 2", true)
|
|
f("foo 1 ", "foo 2 ", true)
|
|
f("foo 1 ", "foo 2 ", false) // different number of spaces
|
|
f("foo 1 ", "foo 2 ", false) // different number of spaces
|
|
f("foo nan", "foo -inf", true)
|
|
f("foo 1 # coment x", "foo 2 #comment y", true)
|
|
f(" foo 1", " foo 1", true)
|
|
f(" foo 1", " foo 1", false) // different number of spaces in front of metric
|
|
f(" foo 1", " foo 1", false) // different number of spaces in front of metric
|
|
f("foo 1", "bar 1", false) // different metric name
|
|
f("foo 1", "fooo 1", false) // different metric name
|
|
f("foo 123", "foo 32.32", true)
|
|
f(`foo{bar="x"} -3.3e-6`, `foo{bar="x"} 23343`, true)
|
|
f(`foo{} 1`, `foo{} 234`, true)
|
|
f(`foo {x="y x" } 234`, `foo {x="y x" } 43.342`, true)
|
|
f(`foo {x="y x"} 234`, `foo{x="y x"} 43.342`, false) // different spaces
|
|
f("foo 2\nbar 3", "foo 34.43\nbar -34.3", true)
|
|
f("foo 2\nbar 3", "foo 34.43\nbarz -34.3", false) // different metric names
|
|
f("\nfoo 13\n", "\nfoo 3.4\n", true)
|
|
f("\nfoo 13", "\nfoo 3.4\n", false) // different number of blank lines
|
|
f("\nfoo 13\n", "\nfoo 3.4", false) // different number of blank lines
|
|
f("\n\nfoo 1", "\n\nfoo 34.43", true)
|
|
f("\n\nfoo 3434\n", "\n\nfoo 43\n", true)
|
|
f("\nfoo 1", "\n\nfoo 34.43", false) // different number of blank lines
|
|
f("#foo{bar}", "#baz", true)
|
|
f("", "#baz", false) // different number of comments
|
|
f("#foo{bar}", "", false) // different number of comments
|
|
f("#foo{bar}", "bar 3", false) // different number of comments
|
|
f("foo{bar} 2", "#bar 3", false) // different number of comments
|
|
f("#foo\n", "#bar", false) // different number of blank lines
|
|
f("#foo{bar}\n#baz", "#baz\n#xdsfds dsf", true)
|
|
f("# foo\nbar 234\nbaz{x=\"y\", z=\"\"} 3", "# foo\nbar 3.3\nbaz{x=\"y\", z=\"\"} 4323", true)
|
|
f("# foo\nbar 234\nbaz{x=\"z\", z=\"\"} 3", "# foo\nbar 3.3\nbaz{x=\"y\", z=\"\"} 4323", false) // different label value
|
|
f("foo {bar=\"xfdsdsffdsa\"} 1", "foo {x=\"y\"} 2", false) // different labels
|
|
f("foo {x=\"z\"} 1", "foo {x=\"y\"} 2", false) // different label value
|
|
|
|
// Lines with timestamps
|
|
f("foo 1 2", "foo 234 4334", true)
|
|
f("foo 2", "foo 3 4", false) // missing timestamp
|
|
f("foo 2 1", "foo 3", false) // missing timestamp
|
|
f("foo{bar=\"b az\"} 2 5", "foo{bar=\"b az\"} +6.3 7.43", true)
|
|
f("foo{bar=\"b az\"} 2 5 # comment ss ", "foo{bar=\"b az\"} +6.3 7.43 # comment as ", true)
|
|
f("foo{bar=\"b az\"} 2 5 #comment", "foo{bar=\"b az\"} +6.3 7.43 #comment {foo=\"bar\"} 21.44", true)
|
|
f("foo{bar=\"b az\"} +Inf 5", "foo{bar=\"b az\"} NaN 7.43", true)
|
|
f("foo{bar=\"b az\"} +Inf 5", "foo{bar=\"b az\"} nan 7.43", true)
|
|
f("foo{bar=\"b az\"} +Inf 5", "foo{bar=\"b az\"} nansf 7.43", false) // invalid value
|
|
|
|
// False positive - whitespace after the numeric char in the label.
|
|
f(`foo{bar=" 12.3 "} 1`, `foo{bar=" 13 "} 23`, true)
|
|
f(`foo{bar=" 12.3 "} 1 3443`, `foo{bar=" 13 "} 23 4345`, true)
|
|
f(`foo{bar=" 12.3 "} 1 3443 # {} 34`, `foo{bar=" 13 "} 23 4345 # {foo=" bar "} 34`, true)
|
|
|
|
// Metrics and labels with '#' chars
|
|
f(`foo{bar="#1"} 1`, `foo{bar="#1"} 1`, true)
|
|
f(`foo{bar="a#1"} 1`, `foo{bar="b#1"} 1.4`, false)
|
|
f(`foo{bar=" #1"} 1`, `foo{bar=" #1"} 3`, true)
|
|
f(`foo{bar=" #1 "} 1`, `foo{bar=" #1 "} -2.34 343.34 # {foo="#bar"} `, true)
|
|
f(`foo{bar=" #1"} 1`, `foo{bar="#1"} 1`, false)
|
|
f(`foo{b#ar=" #1"} 1`, `foo{b#ar=" #1"} 1.23`, true)
|
|
f(`foo{z#ar=" #1"} 1`, `foo{b#ar=" #1"} 1.23`, false)
|
|
f(`fo#o{b#ar="#1"} 1`, `fo#o{b#ar="#1"} 1.23`, true)
|
|
f(`fo#o{b#ar="#1"} 1`, `fa#o{b#ar="#1"} 1.23`, false)
|
|
|
|
// False positive - the value after '#' char can be arbitrary
|
|
f(`fo#o{b#ar="#1"} 1`, `fo#osdf 1.23`, true)
|
|
}
|
|
|
|
func TestPrevBackslashesCount(t *testing.T) {
|
|
f := func(s string, nExpected int) {
|
|
t.Helper()
|
|
n := prevBackslashesCount(s)
|
|
if n != nExpected {
|
|
t.Fatalf("unexpected value returned from prevBackslashesCount(%q); got %d; want %d", s, n, nExpected)
|
|
}
|
|
}
|
|
f(``, 0)
|
|
f(`foo`, 0)
|
|
f(`\`, 1)
|
|
f(`\\`, 2)
|
|
f(`\\\`, 3)
|
|
f(`\\\a`, 0)
|
|
f(`foo\bar`, 0)
|
|
f(`foo\\`, 2)
|
|
f(`\\foo\`, 1)
|
|
f(`\\foo\\\\`, 4)
|
|
}
|
|
|
|
func TestFindClosingQuote(t *testing.T) {
|
|
f := func(s string, nExpected int) {
|
|
t.Helper()
|
|
n := findClosingQuote(s)
|
|
if n != nExpected {
|
|
t.Fatalf("unexpected value returned from findClosingQuote(%q); got %d; want %d", s, n, nExpected)
|
|
}
|
|
}
|
|
f(``, -1)
|
|
f(`x`, -1)
|
|
f(`"`, -1)
|
|
f(`""`, 1)
|
|
f(`foobar"`, -1)
|
|
f(`"foo"`, 4)
|
|
f(`"\""`, 3)
|
|
f(`"\\"`, 3)
|
|
f(`"\"`, -1)
|
|
f(`"foo\"bar\"baz"`, 14)
|
|
}
|
|
|
|
func TestUnescapeValue(t *testing.T) {
|
|
f := func(s, resultExpected string) {
|
|
t.Helper()
|
|
result := unescapeValue(s)
|
|
if result != resultExpected {
|
|
t.Fatalf("unexpected result; got %q; want %q", result, resultExpected)
|
|
}
|
|
}
|
|
f(``, "")
|
|
f(`f`, "f")
|
|
f(`foobar`, "foobar")
|
|
f(`\"\n\t`, "\"\n\\t")
|
|
|
|
// Edge cases
|
|
f(`foo\bar`, "foo\\bar")
|
|
f(`foo\`, "foo\\")
|
|
}
|
|
|
|
func TestAppendEscapedValue(t *testing.T) {
|
|
f := func(s, resultExpected string) {
|
|
t.Helper()
|
|
result := appendEscapedValue(nil, s)
|
|
if string(result) != resultExpected {
|
|
t.Fatalf("unexpected result; got %q; want %q", result, resultExpected)
|
|
}
|
|
}
|
|
f(``, ``)
|
|
f(`f`, `f`)
|
|
f(`foobar`, `foobar`)
|
|
f("\"\n\t\\xyz", "\\\"\\n\t\\\\xyz")
|
|
}
|
|
|
|
func TestRowsUnmarshalFailure(t *testing.T) {
|
|
f := func(s string) {
|
|
t.Helper()
|
|
var rows Rows
|
|
rows.Unmarshal(s)
|
|
if len(rows.Rows) != 0 {
|
|
t.Fatalf("unexpected number of rows parsed; got %d; want 0;\nrows:%#v", len(rows.Rows), rows.Rows)
|
|
}
|
|
|
|
// Try again
|
|
rows.Unmarshal(s)
|
|
if len(rows.Rows) != 0 {
|
|
t.Fatalf("unexpected number of rows parsed; got %d; want 0;\nrows:%#v", len(rows.Rows), rows.Rows)
|
|
}
|
|
}
|
|
|
|
// Empty lines and comments
|
|
f("")
|
|
f(" ")
|
|
f("\t")
|
|
f("\t \r")
|
|
f("\t\t \n\n # foobar")
|
|
f("#foobar")
|
|
f("#foobar\n")
|
|
|
|
// invalid tags
|
|
f("a{")
|
|
f("a { ")
|
|
f("a {foo")
|
|
f("a {foo} 3")
|
|
f("a {foo =")
|
|
f(`a {foo ="bar`)
|
|
f(`a {foo ="b\ar`)
|
|
f(`a {foo = "bar"`)
|
|
f(`a {foo ="bar",`)
|
|
f(`a {foo ="bar" , `)
|
|
f(`a {foo ="bar" , baz } 2`)
|
|
|
|
// invalid tags - see https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4284
|
|
f(`a{"__name__":"upsd_time_left_ns","host":"myhost", status_OB="true"} 12`)
|
|
f(`a{host:"myhost"} 12`)
|
|
f(`a{host:"myhost",foo="bar"} 12`)
|
|
|
|
// empty metric name
|
|
f(`{foo="bar"}`)
|
|
|
|
// Invalid quotes for label value
|
|
f(`{foo='bar'} 23`)
|
|
f("{foo=`bar`} 23")
|
|
|
|
// Missing value
|
|
f("aaa")
|
|
f(" aaa")
|
|
f(" aaa ")
|
|
f(" aaa \n")
|
|
f(` aa{foo="bar"} ` + "\n")
|
|
|
|
// Invalid value
|
|
f("foo bar")
|
|
f("foo bar 124")
|
|
|
|
// Invalid timestamp
|
|
f("foo 123 bar")
|
|
}
|
|
|
|
func TestRowsUnmarshalSuccess(t *testing.T) {
|
|
f := func(s string, rowsExpected *Rows) {
|
|
t.Helper()
|
|
var rows Rows
|
|
rows.Unmarshal(s)
|
|
if !reflect.DeepEqual(rows.Rows, rowsExpected.Rows) {
|
|
t.Fatalf("unexpected rows;\ngot\n%+v;\nwant\n%+v", rows.Rows, rowsExpected.Rows)
|
|
}
|
|
|
|
// Try unmarshaling again
|
|
rows.Unmarshal(s)
|
|
if !reflect.DeepEqual(rows.Rows, rowsExpected.Rows) {
|
|
t.Fatalf("unexpected rows;\ngot\n%+v;\nwant\n%+v", rows.Rows, rowsExpected.Rows)
|
|
}
|
|
|
|
rows.Reset()
|
|
if len(rows.Rows) != 0 {
|
|
t.Fatalf("non-empty rows after reset: %+v", rows.Rows)
|
|
}
|
|
}
|
|
|
|
// Empty line or comment
|
|
f("", &Rows{})
|
|
f("\r", &Rows{})
|
|
f("\n\n", &Rows{})
|
|
f("\n\r\n", &Rows{})
|
|
f("\t \t\n\r\n#foobar\n # baz", &Rows{})
|
|
|
|
// Single line
|
|
f("foobar 78.9", &Rows{
|
|
Rows: []Row{{
|
|
Metric: "foobar",
|
|
Value: 78.9,
|
|
}},
|
|
})
|
|
f("foobar 123.456 789\n", &Rows{
|
|
Rows: []Row{{
|
|
Metric: "foobar",
|
|
Value: 123.456,
|
|
Timestamp: 789000,
|
|
}},
|
|
})
|
|
f("foobar{} 123.456 789.4354\n", &Rows{
|
|
Rows: []Row{{
|
|
Metric: "foobar",
|
|
Value: 123.456,
|
|
Timestamp: 789435,
|
|
}},
|
|
})
|
|
f(`# _ _
|
|
# ___ __ _ ___ ___ __ _ _ __ __| |_ __ __ _ _____ ___ __ ___ _ __| |_ ___ _ __
|
|
`+"# / __/ _` / __/ __|/ _` | '_ \\ / _` | '__/ _` |_____ / _ \\ \\/ / '_ \\ / _ \\| '__| __/ _ \\ '__|\n"+`
|
|
# | (_| (_| \__ \__ \ (_| | | | | (_| | | | (_| |_____| __/> <| |_) | (_) | | | || __/ |
|
|
# \___\__,_|___/___/\__,_|_| |_|\__,_|_| \__,_| \___/_/\_\ .__/ \___/|_| \__\___|_|
|
|
# |_|
|
|
#
|
|
# TYPE cassandra_token_ownership_ratio gauge
|
|
cassandra_token_ownership_ratio 78.9`, &Rows{
|
|
Rows: []Row{{
|
|
Metric: "cassandra_token_ownership_ratio",
|
|
Value: 78.9,
|
|
}},
|
|
})
|
|
|
|
// `#` char in label value
|
|
f(`foo{bar="#1 az"} 24`, &Rows{
|
|
Rows: []Row{{
|
|
Metric: "foo",
|
|
Tags: []Tag{{
|
|
Key: "bar",
|
|
Value: "#1 az",
|
|
}},
|
|
Value: 24,
|
|
}},
|
|
})
|
|
|
|
// `#` char in label name and label value
|
|
f(`foo{bar#2="#1 az"} 24 456`, &Rows{
|
|
Rows: []Row{{
|
|
Metric: "foo",
|
|
Tags: []Tag{{
|
|
Key: "bar#2",
|
|
Value: "#1 az",
|
|
}},
|
|
Value: 24,
|
|
Timestamp: 456000,
|
|
}},
|
|
})
|
|
|
|
// `#` char in metric name, label name and label value
|
|
f(`foo#qw{bar#2="#1 az"} 24 456 # foobar {baz="x"}`, &Rows{
|
|
Rows: []Row{{
|
|
Metric: "foo#qw",
|
|
Tags: []Tag{{
|
|
Key: "bar#2",
|
|
Value: "#1 az",
|
|
}},
|
|
Value: 24,
|
|
Timestamp: 456000,
|
|
}},
|
|
})
|
|
|
|
// Incorrectly escaped backlash. This is real-world case, which must be supported.
|
|
f(`mssql_sql_server_active_transactions_sec{loginname="domain\somelogin",env="develop"} 56`, &Rows{
|
|
Rows: []Row{{
|
|
Metric: "mssql_sql_server_active_transactions_sec",
|
|
Tags: []Tag{
|
|
{
|
|
Key: "loginname",
|
|
Value: "domain\\somelogin",
|
|
},
|
|
{
|
|
Key: "env",
|
|
Value: "develop",
|
|
},
|
|
},
|
|
Value: 56,
|
|
}},
|
|
})
|
|
|
|
// Exemplars - see https://github.com/OpenObservability/OpenMetrics/blob/master/OpenMetrics.md#exemplars-1
|
|
f(`foo_bucket{le="10",a="#b"} 17 # {trace_id="oHg5SJ#YRHA0"} 9.8 1520879607.789
|
|
abc 123 456 # foobar
|
|
foo 344#bar`, &Rows{
|
|
Rows: []Row{
|
|
{
|
|
Metric: "foo_bucket",
|
|
Tags: []Tag{
|
|
{
|
|
Key: "le",
|
|
Value: "10",
|
|
},
|
|
{
|
|
Key: "a",
|
|
Value: "#b",
|
|
},
|
|
},
|
|
Value: 17,
|
|
},
|
|
{
|
|
Metric: "abc",
|
|
Value: 123,
|
|
Timestamp: 456000,
|
|
},
|
|
{
|
|
Metric: "foo",
|
|
Value: 344,
|
|
},
|
|
},
|
|
})
|
|
|
|
// "Infinity" word - this has been added in OpenMetrics.
|
|
// See https://github.com/OpenObservability/OpenMetrics/blob/master/OpenMetrics.md
|
|
// Checks for https://github.com/VictoriaMetrics/VictoriaMetrics/issues/924
|
|
inf := math.Inf(1)
|
|
f(`
|
|
foo Infinity
|
|
bar +Infinity
|
|
baz -infinity
|
|
aaa +inf
|
|
bbb -INF
|
|
ccc INF
|
|
`, &Rows{
|
|
Rows: []Row{
|
|
{
|
|
Metric: "foo",
|
|
Value: inf,
|
|
},
|
|
{
|
|
Metric: "bar",
|
|
Value: inf,
|
|
},
|
|
{
|
|
Metric: "baz",
|
|
Value: -inf,
|
|
},
|
|
{
|
|
Metric: "aaa",
|
|
Value: inf,
|
|
},
|
|
{
|
|
Metric: "bbb",
|
|
Value: -inf,
|
|
},
|
|
{
|
|
Metric: "ccc",
|
|
Value: inf,
|
|
},
|
|
},
|
|
})
|
|
|
|
// Timestamp bigger than 1<<31.
|
|
// It should be parsed in milliseconds.
|
|
f("aaa 1123 429496729600", &Rows{
|
|
Rows: []Row{{
|
|
Metric: "aaa",
|
|
Value: 1123,
|
|
Timestamp: 429496729600,
|
|
}},
|
|
})
|
|
|
|
// Floating-point timestamps in OpenMetric format.
|
|
f("aaa 1123 42949.567", &Rows{
|
|
Rows: []Row{{
|
|
Metric: "aaa",
|
|
Value: 1123,
|
|
Timestamp: 42949567,
|
|
}},
|
|
})
|
|
|
|
// Tags
|
|
f(`foo{bar="baz"} 1 2`, &Rows{
|
|
Rows: []Row{{
|
|
Metric: "foo",
|
|
Tags: []Tag{{
|
|
Key: "bar",
|
|
Value: "baz",
|
|
}},
|
|
Value: 1,
|
|
Timestamp: 2000,
|
|
}},
|
|
})
|
|
f(`foo{bar="b\"a\\z"} -1.2`, &Rows{
|
|
Rows: []Row{{
|
|
Metric: "foo",
|
|
Tags: []Tag{{
|
|
Key: "bar",
|
|
Value: "b\"a\\z",
|
|
}},
|
|
Value: -1.2,
|
|
}},
|
|
})
|
|
// Empty tags
|
|
f(`foo {bar="baz",aa="",x="y",="z"} 1 2`, &Rows{
|
|
Rows: []Row{{
|
|
Metric: "foo",
|
|
Tags: []Tag{
|
|
{
|
|
Key: "bar",
|
|
Value: "baz",
|
|
},
|
|
{
|
|
Key: "aa",
|
|
Value: "",
|
|
},
|
|
{
|
|
Key: "x",
|
|
Value: "y",
|
|
},
|
|
},
|
|
Value: 1,
|
|
Timestamp: 2000,
|
|
}},
|
|
})
|
|
|
|
// Trailing comma after tag
|
|
// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/350
|
|
f(`foo{bar="baz",} 1 2`, &Rows{
|
|
Rows: []Row{{
|
|
Metric: "foo",
|
|
Tags: []Tag{{
|
|
Key: "bar",
|
|
Value: "baz",
|
|
}},
|
|
Value: 1,
|
|
Timestamp: 2000,
|
|
}},
|
|
})
|
|
|
|
// Multi lines
|
|
f("# foo\n # bar ba zzz\nfoo 0.3 2\naaa 3\nbar.baz 0.34 43\n", &Rows{
|
|
Rows: []Row{
|
|
{
|
|
Metric: "foo",
|
|
Value: 0.3,
|
|
Timestamp: 2000,
|
|
},
|
|
{
|
|
Metric: "aaa",
|
|
Value: 3,
|
|
},
|
|
{
|
|
Metric: "bar.baz",
|
|
Value: 0.34,
|
|
Timestamp: 43000,
|
|
},
|
|
},
|
|
})
|
|
|
|
// Multi lines with invalid line
|
|
f("\t foo\t { } 0.3\t 2\naaa\n bar.baz 0.34 43\n", &Rows{
|
|
Rows: []Row{
|
|
{
|
|
Metric: "foo",
|
|
Value: 0.3,
|
|
Timestamp: 2000,
|
|
},
|
|
{
|
|
Metric: "bar.baz",
|
|
Value: 0.34,
|
|
Timestamp: 43000,
|
|
},
|
|
},
|
|
})
|
|
|
|
// Spaces around tags
|
|
f(`vm_accounting { name="vminsertRows", accountID = "1" , projectID= "1" } 277779100`, &Rows{
|
|
Rows: []Row{
|
|
{
|
|
Metric: "vm_accounting",
|
|
Tags: []Tag{
|
|
{
|
|
Key: "name",
|
|
Value: "vminsertRows",
|
|
},
|
|
{
|
|
Key: "accountID",
|
|
Value: "1",
|
|
},
|
|
{
|
|
Key: "projectID",
|
|
Value: "1",
|
|
},
|
|
},
|
|
Value: 277779100,
|
|
Timestamp: 0,
|
|
},
|
|
},
|
|
})
|
|
}
|