VictoriaMetrics/app/vmselect/searchutils/searchutils_test.go
hagen1778 9fcd34287b
docs: follow-up for 70eaa06f08
Signed-off-by: hagen1778 <roman@victoriametrics.com>

(cherry picked from commit bc79f7196d)
Signed-off-by: hagen1778 <roman@victoriametrics.com>
2024-03-25 15:33:11 +01:00

283 lines
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package searchutils
import (
"fmt"
"net/http"
"net/url"
"reflect"
"strconv"
"testing"
"time"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/storage"
)
func TestGetExtraTagFilters(t *testing.T) {
httpReqWithForm := func(qs string) *http.Request {
q, err := url.ParseQuery(qs)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
return &http.Request{
Form: q,
}
}
f := func(t *testing.T, r *http.Request, want []string, wantErr bool) {
t.Helper()
result, err := GetExtraTagFilters(r)
if (err != nil) != wantErr {
t.Fatalf("unexpected error: %v", err)
}
got := tagFilterssToStrings(result)
if !reflect.DeepEqual(got, want) {
t.Fatalf("unxpected result for GetExtraTagFilters\ngot: %s\nwant: %s", got, want)
}
}
f(t, httpReqWithForm("extra_label=label=value"),
[]string{`{label="value"}`},
false,
)
f(t, httpReqWithForm("extra_label=job=vmagent&extra_label=dc=gce"),
[]string{`{job="vmagent",dc="gce"}`},
false,
)
f(t, httpReqWithForm(`extra_filters={foo="bar"}`),
[]string{`{foo="bar"}`},
false,
)
f(t, httpReqWithForm(`extra_filters={foo="bar"}&extra_filters[]={baz!~"aa",x=~"y"}`),
[]string{
`{foo="bar"}`,
`{baz!~"aa",x=~"y"}`,
},
false,
)
f(t, httpReqWithForm(`extra_label=job=vmagent&extra_label=dc=gce&extra_filters={foo="bar"}`),
[]string{`{foo="bar",job="vmagent",dc="gce"}`},
false,
)
f(t, httpReqWithForm(`extra_label=job=vmagent&extra_label=dc=gce&extra_filters[]={foo="bar"}&extra_filters[]={x=~"y|z",a="b"}`),
[]string{
`{foo="bar",job="vmagent",dc="gce"}`,
`{x=~"y|z",a="b",job="vmagent",dc="gce"}`,
},
false,
)
f(t, httpReqWithForm("extra_label=bad_filter"),
nil,
true,
)
f(t, httpReqWithForm(`extra_filters={bad_filter}`),
nil,
true,
)
f(t, httpReqWithForm(`extra_filters[]={bad_filter}`),
nil,
true,
)
f(t, httpReqWithForm(""),
nil,
false,
)
}
func TestParseMetricSelectorSuccess(t *testing.T) {
f := func(s string) {
t.Helper()
tfs, err := ParseMetricSelector(s)
if err != nil {
t.Fatalf("unexpected error when parsing %q: %s", s, err)
}
if tfs == nil {
t.Fatalf("expecting non-nil tfs when parsing %q", s)
}
}
f("foo")
f(":foo")
f(" :fo:bar.baz")
f(`a{}`)
f(`{foo="bar"}`)
f(`{:f:oo=~"bar.+"}`)
f(`foo {bar != "baz"}`)
f(` foo { bar !~ "^ddd(x+)$", a="ss", __name__="sffd"} `)
f(`(foo)`)
f(`\п\р\и\в\е{\ы="111"}`)
}
func TestParseMetricSelectorError(t *testing.T) {
f := func(s string) {
t.Helper()
tfs, err := ParseMetricSelector(s)
if err == nil {
t.Fatalf("expecting non-nil error when parsing %q", s)
}
if tfs != nil {
t.Fatalf("expecting nil tfs when parsing %q", s)
}
}
f("")
f(`{}`)
f(`foo bar`)
f(`foo+bar`)
f(`sum(bar)`)
f(`x{y}`)
f(`x{y+z}`)
f(`foo[5m]`)
f(`foo offset 5m`)
}
func TestJoinTagFilterss(t *testing.T) {
f := func(t *testing.T, src, etfs [][]storage.TagFilter, want []string) {
t.Helper()
result := JoinTagFilterss(src, etfs)
got := tagFilterssToStrings(result)
if !reflect.DeepEqual(got, want) {
t.Fatalf("unxpected result for JoinTagFilterss\ngot: %s\nwant: %v", got, want)
}
}
// Single tag filter
f(t, joinTagFilters(
mustParseMetricSelector(`{k1="v1",k2=~"v2",k3!="v3",k4!~"v4"}`),
), nil, []string{
`{k1="v1",k2=~"v2",k3!="v3",k4!~"v4"}`,
})
// Miltiple tag filters
f(t, joinTagFilters(
mustParseMetricSelector(`{k1="v1",k2=~"v2",k3!="v3",k4!~"v4"}`),
mustParseMetricSelector(`{k5=~"v5"}`),
), nil, []string{
`{k1="v1",k2=~"v2",k3!="v3",k4!~"v4"}`,
`{k5=~"v5"}`,
})
// Single extra filter
f(t, nil, joinTagFilters(
mustParseMetricSelector(`{k1="v1",k2=~"v2",k3!="v3",k4!~"v4"}`),
), []string{
`{k1="v1",k2=~"v2",k3!="v3",k4!~"v4"}`,
})
// Multiple extra filters
f(t, nil, joinTagFilters(
mustParseMetricSelector(`{k1="v1",k2=~"v2",k3!="v3",k4!~"v4"}`),
mustParseMetricSelector(`{k5=~"v5"}`),
), []string{
`{k1="v1",k2=~"v2",k3!="v3",k4!~"v4"}`,
`{k5=~"v5"}`,
})
// Single tag filter and a single extra filter
f(t, joinTagFilters(
mustParseMetricSelector(`{k1="v1",k2=~"v2",k3!="v3",k4!~"v4"}`),
), joinTagFilters(
mustParseMetricSelector(`{k5=~"v5"}`),
), []string{
`{k1="v1",k2=~"v2",k3!="v3",k4!~"v4",k5=~"v5"}`,
})
// Multiple tag filters and a single extra filter
f(t, joinTagFilters(
mustParseMetricSelector(`{k1="v1",k2=~"v2",k3!="v3",k4!~"v4"}`),
mustParseMetricSelector(`{k5=~"v5"}`),
), joinTagFilters(
mustParseMetricSelector(`{k6=~"v6"}`),
), []string{
`{k1="v1",k2=~"v2",k3!="v3",k4!~"v4",k6=~"v6"}`,
`{k5=~"v5",k6=~"v6"}`,
})
// Single tag filter and multiple extra filters
f(t, joinTagFilters(
mustParseMetricSelector(`{k1="v1",k2=~"v2",k3!="v3",k4!~"v4"}`),
), joinTagFilters(
mustParseMetricSelector(`{k5=~"v5"}`),
mustParseMetricSelector(`{k6=~"v6"}`),
), []string{
`{k1="v1",k2=~"v2",k3!="v3",k4!~"v4",k5=~"v5"}`,
`{k1="v1",k2=~"v2",k3!="v3",k4!~"v4",k6=~"v6"}`,
})
// Multiple tag filters and multiple extra filters
f(t, joinTagFilters(
mustParseMetricSelector(`{k1="v1",k2=~"v2",k3!="v3",k4!~"v4"}`),
mustParseMetricSelector(`{k5=~"v5"}`),
), joinTagFilters(
mustParseMetricSelector(`{k6=~"v6"}`),
mustParseMetricSelector(`{k7=~"v7"}`),
), []string{
`{k1="v1",k2=~"v2",k3!="v3",k4!~"v4",k6=~"v6"}`,
`{k1="v1",k2=~"v2",k3!="v3",k4!~"v4",k7=~"v7"}`,
`{k5=~"v5",k6=~"v6"}`,
`{k5=~"v5",k7=~"v7"}`,
})
}
func joinTagFilters(args ...[][]storage.TagFilter) [][]storage.TagFilter {
result := append([][]storage.TagFilter{}, args[0]...)
for _, tfss := range args[1:] {
result = append(result, tfss...)
}
return result
}
func mustParseMetricSelector(s string) [][]storage.TagFilter {
tfss, err := ParseMetricSelector(s)
if err != nil {
panic(fmt.Errorf("cannot parse %q: %w", s, err))
}
return tfss
}
func tagFilterssToStrings(tfss [][]storage.TagFilter) []string {
var a []string
for _, tfs := range tfss {
a = append(a, tagFiltersToString(tfs))
}
return a
}
func tagFiltersToString(tfs []storage.TagFilter) string {
b := []byte("{")
for i, tf := range tfs {
b = append(b, tf.Key...)
if tf.IsNegative {
if tf.IsRegexp {
b = append(b, "!~"...)
} else {
b = append(b, "!="...)
}
} else {
if tf.IsRegexp {
b = append(b, "=~"...)
} else {
b = append(b, "="...)
}
}
b = strconv.AppendQuote(b, string(tf.Value))
if i+1 < len(tfs) {
b = append(b, ',')
}
}
b = append(b, '}')
return string(b)
}
func TestGetDeadline(t *testing.T) {
f := func(got, exp Deadline) {
if got.Deadline() != exp.Deadline() {
t.Fatalf("expected to have %v; got %v instead", exp, got)
}
}
start := time.Now()
expDeadline := func(deadline time.Duration) Deadline {
return NewDeadline(start, deadline, "")
}
r, _ := http.NewRequest("GET", "", nil)
f(GetDeadlineForExport(r, start), expDeadline(*maxExportDuration))
f(GetDeadlineForLabelsAPI(r, start), expDeadline(*maxLabelsAPIDuration))
f(GetDeadlineForStatusRequest(r, start), expDeadline(*maxStatusRequestDuration))
f(GetDeadlineForQuery(r, start), expDeadline(*maxQueryDuration))
r, _ = http.NewRequest("GET", "http://foo?timeout=1s", nil)
f(GetDeadlineForExport(r, start), expDeadline(time.Second))
f(GetDeadlineForLabelsAPI(r, start), expDeadline(time.Second))
f(GetDeadlineForStatusRequest(r, start), expDeadline(time.Second))
f(GetDeadlineForQuery(r, start), expDeadline(time.Second))
}