mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-12-15 16:30:55 +01:00
0ac57ef5b9
* vmalert: add tests for notifier pkg * vmalert: add tests for remotewrite pkg * vmalert: add tests for template functions * vmalert: add tests for web pages * vmalert: fix int overflow in tests Signed-off-by: hagen1778 <roman@victoriametrics.com>
362 lines
9.1 KiB
Go
362 lines
9.1 KiB
Go
package templates
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import (
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"math"
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"strings"
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"testing"
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textTpl "text/template"
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)
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func TestTemplateFuncs(t *testing.T) {
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funcs := templateFuncs()
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f := func(funcName, s, resultExpected string) {
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t.Helper()
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v := funcs[funcName]
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fLocal := v.(func(s string) string)
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result := fLocal(s)
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if result != resultExpected {
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t.Fatalf("unexpected result for %s(%q); got\n%s\nwant\n%s", funcName, s, result, resultExpected)
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}
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}
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f("title", "foo bar", "Foo Bar")
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f("toUpper", "foo", "FOO")
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f("toLower", "FOO", "foo")
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f("pathEscape", "foo/bar\n+baz", "foo%2Fbar%0A+baz")
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f("queryEscape", "foo+bar\n+baz", "foo%2Bbar%0A%2Bbaz")
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f("jsonEscape", `foo{bar="baz"}`+"\n + 1", `"foo{bar=\"baz\"}\n + 1"`)
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f("quotesEscape", `foo{bar="baz"}`+"\n + 1", `foo{bar=\"baz\"}\n + 1`)
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f("htmlEscape", "foo < 10\nabc", "foo < 10\nabc")
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f("crlfEscape", "foo\nbar\rx", `foo\nbar\rx`)
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f("stripPort", "foo", "foo")
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f("stripPort", "foo:1234", "foo")
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f("stripDomain", "foo.bar.baz", "foo")
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f("stripDomain", "foo.bar:123", "foo:123")
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// check "match" func
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matchFunc := funcs["match"].(func(pattern, s string) (bool, error))
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if _, err := matchFunc("invalid[regexp", "abc"); err == nil {
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t.Fatalf("expecting non-nil error on invalid regexp")
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}
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ok, err := matchFunc("abc", "def")
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if err != nil {
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t.Fatalf("unexpected error")
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}
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if ok {
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t.Fatalf("unexpected match")
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}
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ok, err = matchFunc("a.+b", "acsdb")
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if err != nil {
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t.Fatalf("unexpected error")
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}
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if !ok {
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t.Fatalf("unexpected mismatch")
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}
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formatting := func(funcName string, p interface{}, resultExpected string) {
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t.Helper()
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v := funcs[funcName]
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fLocal := v.(func(s interface{}) (string, error))
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result, err := fLocal(p)
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if err != nil {
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t.Fatalf("unexpected error for %s(%f): %s", funcName, p, err)
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}
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if result != resultExpected {
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t.Fatalf("unexpected result for %s(%f); got\n%s\nwant\n%s", funcName, p, result, resultExpected)
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}
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}
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formatting("humanize1024", float64(0), "0")
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formatting("humanize1024", math.Inf(0), "+Inf")
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formatting("humanize1024", math.NaN(), "NaN")
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formatting("humanize1024", float64(127087), "124.1ki")
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formatting("humanize1024", float64(130137088), "124.1Mi")
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formatting("humanize1024", float64(133260378112), "124.1Gi")
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formatting("humanize1024", float64(136458627186688), "124.1Ti")
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formatting("humanize1024", float64(139733634239168512), "124.1Pi")
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formatting("humanize1024", float64(143087241460908556288), "124.1Ei")
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formatting("humanize1024", float64(146521335255970361638912), "124.1Zi")
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formatting("humanize1024", float64(150037847302113650318245888), "124.1Yi")
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formatting("humanize1024", float64(153638755637364377925883789312), "1.271e+05Yi")
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formatting("humanize", float64(127087), "127.1k")
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formatting("humanize", float64(136458627186688), "136.5T")
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formatting("humanizeDuration", 1, "1s")
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formatting("humanizeDuration", 0.2, "200ms")
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formatting("humanizeDuration", 42000, "11h 40m 0s")
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formatting("humanizeDuration", 16790555, "194d 8h 2m 35s")
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formatting("humanizePercentage", 1, "100%")
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formatting("humanizePercentage", 0.8, "80%")
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formatting("humanizePercentage", 0.015, "1.5%")
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formatting("humanizeTimestamp", 1679055557, "2023-03-17 12:19:17 +0000 UTC")
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}
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func mkTemplate(current, replacement interface{}) textTemplate {
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tmpl := textTemplate{}
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if current != nil {
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switch val := current.(type) {
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case string:
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tmpl.current = textTpl.Must(newTemplate().Parse(val))
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}
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}
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if replacement != nil {
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switch val := replacement.(type) {
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case string:
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tmpl.replacement = textTpl.Must(newTemplate().Parse(val))
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}
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}
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return tmpl
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}
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func equalTemplates(tmpls ...*textTpl.Template) bool {
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var cmp *textTpl.Template
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for i, tmpl := range tmpls {
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if i == 0 {
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cmp = tmpl
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} else {
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if cmp == nil || tmpl == nil {
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if cmp != tmpl {
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return false
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}
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continue
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}
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if len(tmpl.Templates()) != len(cmp.Templates()) {
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return false
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}
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for _, t := range tmpl.Templates() {
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tp := cmp.Lookup(t.Name())
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if tp == nil {
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return false
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}
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if tp.Root.String() != t.Root.String() {
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return false
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}
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}
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}
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}
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return true
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}
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func TestTemplates_Load(t *testing.T) {
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testCases := []struct {
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name string
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initialTemplate textTemplate
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pathPatterns []string
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overwrite bool
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expectedTemplate textTemplate
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expErr string
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}{
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{
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"non existing path undefined template override",
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mkTemplate(nil, nil),
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[]string{
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"templates/non-existing/good-*.tpl",
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"templates/absent/good-*.tpl",
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},
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true,
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mkTemplate(``, nil),
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"",
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},
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{
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"non existing path defined template override",
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mkTemplate(`
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{{- define "test.1" -}}
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{{- printf "value" -}}
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{{- end -}}
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`, nil),
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[]string{
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"templates/non-existing/good-*.tpl",
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"templates/absent/good-*.tpl",
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},
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true,
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mkTemplate(``, nil),
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"",
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},
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{
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"existing path undefined template override",
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mkTemplate(nil, nil),
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[]string{
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"templates/other/nested/good0-*.tpl",
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"templates/test/good0-*.tpl",
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},
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false,
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mkTemplate(`
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{{- define "good0-test.tpl" -}}{{- end -}}
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{{- define "test.0" -}}
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{{ printf "Hello %s!" externalURL }}
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{{- end -}}
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{{- define "test.1" -}}
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{{ printf "Hello %s!" externalURL }}
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{{- end -}}
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{{- define "test.2" -}}
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{{ printf "Hello %s!" externalURL }}
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{{- end -}}
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{{- define "test.3" -}}
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{{ printf "Hello %s!" externalURL }}
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{{- end -}}
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`, nil),
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"",
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},
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{
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"existing path defined template override",
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mkTemplate(`
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{{- define "test.1" -}}
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{{ printf "Hello %s!" "world" }}
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{{- end -}}
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`, nil),
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[]string{
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"templates/other/nested/good0-*.tpl",
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"templates/test/good0-*.tpl",
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},
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false,
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mkTemplate(`
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{{- define "good0-test.tpl" -}}{{- end -}}
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{{- define "test.0" -}}
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{{ printf "Hello %s!" externalURL }}
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{{- end -}}
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{{- define "test.1" -}}
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{{ printf "Hello %s!" "world" }}
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{{- end -}}
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{{- define "test.2" -}}
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{{ printf "Hello %s!" externalURL }}
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{{- end -}}
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{{- define "test.3" -}}
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{{ printf "Hello %s!" externalURL }}
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{{- end -}}
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`, `
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{{- define "good0-test.tpl" -}}{{- end -}}
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{{- define "test.0" -}}
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{{ printf "Hello %s!" externalURL }}
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{{- end -}}
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{{- define "test.1" -}}
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{{ printf "Hello %s!" externalURL }}
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{{- end -}}
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{{- define "test.2" -}}
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{{ printf "Hello %s!" externalURL }}
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{{- end -}}
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{{- define "test.3" -}}
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{{ printf "Hello %s!" externalURL }}
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{{- end -}}
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`),
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"",
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},
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{
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"load template with syntax error",
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mkTemplate(`
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{{- define "test.1" -}}
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{{ printf "Hello %s!" "world" }}
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{{- end -}}
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`, nil),
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[]string{
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"templates/other/nested/bad0-*.tpl",
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"templates/test/good0-*.tpl",
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},
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false,
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mkTemplate(`
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{{- define "test.1" -}}
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{{ printf "Hello %s!" "world" }}
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{{- end -}}
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`, nil),
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"failed to parse template glob",
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},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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masterTmpl = tc.initialTemplate
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err := Load(tc.pathPatterns, tc.overwrite)
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if tc.expErr == "" && err != nil {
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t.Error("happened error that wasn't expected: %w", err)
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}
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if tc.expErr != "" && err == nil {
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t.Error("%+w", err)
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t.Error("expected error that didn't happened")
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}
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if err != nil && !strings.Contains(err.Error(), tc.expErr) {
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t.Error("%+w", err)
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t.Error("expected string doesn't exist in error message")
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}
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if !equalTemplates(masterTmpl.replacement, tc.expectedTemplate.replacement) {
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t.Fatalf("replacement template is not as expected")
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}
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if !equalTemplates(masterTmpl.current, tc.expectedTemplate.current) {
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t.Fatalf("current template is not as expected")
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}
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})
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}
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}
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func TestTemplates_Reload(t *testing.T) {
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testCases := []struct {
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name string
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initialTemplate textTemplate
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expectedTemplate textTemplate
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}{
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{
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"empty current and replacement templates",
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mkTemplate(nil, nil),
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mkTemplate(nil, nil),
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},
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{
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"empty current template only",
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mkTemplate(`
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{{- define "test.1" -}}
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{{- printf "value" -}}
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{{- end -}}
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`, nil),
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mkTemplate(`
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{{- define "test.1" -}}
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{{- printf "value" -}}
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{{- end -}}
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`, nil),
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},
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{
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"empty replacement template only",
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mkTemplate(nil, `
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{{- define "test.1" -}}
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{{- printf "value" -}}
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{{- end -}}
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`),
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mkTemplate(`
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{{- define "test.1" -}}
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{{- printf "value" -}}
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{{- end -}}
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`, nil),
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},
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{
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"defined both templates",
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mkTemplate(`
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{{- define "test.0" -}}
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{{- printf "value" -}}
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{{- end -}}
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{{- define "test.1" -}}
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{{- printf "before" -}}
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{{- end -}}
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`, `
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{{- define "test.1" -}}
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{{- printf "after" -}}
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{{- end -}}
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`),
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mkTemplate(`
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{{- define "test.1" -}}
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{{- printf "after" -}}
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{{- end -}}
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`, nil),
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},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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masterTmpl = tc.initialTemplate
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Reload()
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if !equalTemplates(masterTmpl.replacement, tc.expectedTemplate.replacement) {
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t.Fatalf("replacement template is not as expected")
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}
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if !equalTemplates(masterTmpl.current, tc.expectedTemplate.current) {
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t.Fatalf("current template is not as expected")
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}
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})
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}
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}
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