VictoriaMetrics/app/vmselect/graphiteql/parser_test.go
Nikolay 195341a7cf Graphite vmalert wip ()
* init implementation for graphite alerts

* adds graphite support for vmalert

* small fix

* changes vmalert graphite api with type

* updates tests

* small fix

* fixes graphite parse

* Fixes graphite from time
2021-02-01 15:05:32 +02:00

121 lines
2.4 KiB
Go

package graphiteql
import (
"testing"
)
func TestQuoteString(t *testing.T) {
f := func(s, qExpected string) {
t.Helper()
q := QuoteString(s)
if q != qExpected {
t.Fatalf("unexpected result from QuoteString(%q); got %s; want %s", s, q, qExpected)
}
}
f(``, `''`)
f(`foo`, `'foo'`)
f(`f'o\ba"r`, `'f\'o\\ba"r'`)
}
func TestParseSuccess(t *testing.T) {
another := func(s, resultExpected string) {
t.Helper()
expr, err := Parse(s)
if err != nil {
t.Fatalf("unexpected error when parsing %s: %s", s, err)
}
result := expr.AppendString(nil)
if string(result) != resultExpected {
t.Fatalf("unexpected result when marshaling %s;\ngot\n%s\nwant\n%s", s, result, resultExpected)
}
}
same := func(s string) {
t.Helper()
another(s, s)
}
// Metric expressions
same("a")
same("foo.bar.baz")
same("foo.bar.baz:aa:bb")
same("fOO.*.b[a-z]R{aa*,bb}s_s.$aaa")
same("*")
same("*.foo")
same("{x,y}.z")
same("[x-zaBc]DeF")
another(`\f\ oo`, `f\ oo`)
another(`f\x1B\x3a`, `f\x1b:`)
// booleans
same("True")
same("False")
another("true", "True")
another("faLSe", "False")
// Numbers
same("123")
same("-123")
another("+123", "123")
same("12.3")
same("-1.23")
another("+1.23", "1.23")
another("123e5", "1.23e+07")
another("-123e5", "-1.23e+07")
another("+123e5", "1.23e+07")
another("1.23E5", "123000")
another("-1.23e5", "-123000")
another("+1.23e5", "123000")
another("0xab", "171")
another("0b1011101", "93")
another("0O12345", "5349")
// strings
another(`"foo'"`, `'foo\''`)
same(`'fo\'o"b\\ar'`)
another(`"f\\oo\.bar\1"`, `'f\\oo\\.bar\\1'`)
// function calls
same("foo()")
another("foo(bar,)", "foo(bar)")
same("foo(bar,123,'baz')")
another("foo(foo(bar), BAZ = xx ( 123, x))", `foo(foo(bar),BAZ=xx(123,x))`)
// chained functions
another("foo | bar", "foo|bar")
same("foo|bar|baz")
same("foo(sss)|bar(aa)|xxx.ss")
another(`foo|bar(1,"sdf")`, `foo|bar(1,'sdf')`)
// mix
same(`f(a,xx=b|c|aa(124,'456'),aa=bb)`)
}
func TestParseFailure(t *testing.T) {
f := func(s string) {
t.Helper()
expr, err := Parse(s)
if err == nil {
t.Fatalf("expecting error when parsing %s", s)
}
if expr != nil {
t.Fatalf("expecting nil expr when parsing %s; got %s", s, expr.AppendString(nil))
}
}
f("")
f("'asdf")
f("foo bar")
f("f(a")
f("f(1.2.3")
f("foo|bar(")
f("+foo")
f("-bar")
f("123 '")
f("f '")
f("f|")
f("f|'")
f("f|123")
f("f('")
f("f(f()=123)")
f("f(a=')")
f("f(a=foo(")
f("f()'")
}