mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-12-20 23:46:23 +01:00
93 lines
2.4 KiB
Go
93 lines
2.4 KiB
Go
package regexutil
|
|
|
|
import (
|
|
"regexp"
|
|
"testing"
|
|
)
|
|
|
|
func TestPromRegexParseFailure(t *testing.T) {
|
|
f := func(expr string) {
|
|
t.Helper()
|
|
pr, err := NewPromRegex(expr)
|
|
if err == nil {
|
|
t.Fatalf("expecting non-nil error for expr=%s", expr)
|
|
}
|
|
if pr != nil {
|
|
t.Fatalf("expecting nil pr for expr=%s", expr)
|
|
}
|
|
}
|
|
f("fo[bar")
|
|
f("foo(bar")
|
|
}
|
|
|
|
func TestPromRegex(t *testing.T) {
|
|
f := func(expr, s string, resultExpected bool) {
|
|
t.Helper()
|
|
pr, err := NewPromRegex(expr)
|
|
if err != nil {
|
|
t.Fatalf("unexpected error: %s", err)
|
|
}
|
|
result := pr.MatchString(s)
|
|
if result != resultExpected {
|
|
t.Fatalf("unexpected result when matching %s against %s; got %v; want %v", expr, s, result, resultExpected)
|
|
}
|
|
|
|
// Make sure the result is the same for regular regexp
|
|
exprAnchored := "^(?:" + expr + ")$"
|
|
re := regexp.MustCompile(exprAnchored)
|
|
result = re.MatchString(s)
|
|
if result != resultExpected {
|
|
t.Fatalf("unexpected result when matching %s against %s during sanity check; got %v; want %v", exprAnchored, s, result, resultExpected)
|
|
}
|
|
}
|
|
f("", "", true)
|
|
f("", "foo", false)
|
|
f("foo", "", false)
|
|
f(".*", "", true)
|
|
f(".*", "foo", true)
|
|
f(".+", "", false)
|
|
f(".+", "foo", true)
|
|
f("foo.*", "bar", false)
|
|
f("foo.*", "foo", true)
|
|
f("foo.*", "foobar", true)
|
|
f("foo.+", "bar", false)
|
|
f("foo.+", "foo", false)
|
|
f("foo.+", "foobar", true)
|
|
f("foo|bar", "", false)
|
|
f("foo|bar", "a", false)
|
|
f("foo|bar", "foo", true)
|
|
f("foo|bar", "bar", true)
|
|
f("foo|bar", "foobar", false)
|
|
f("foo(bar|baz)", "a", false)
|
|
f("foo(bar|baz)", "foobar", true)
|
|
f("foo(bar|baz)", "foobaz", true)
|
|
f("foo(bar|baz)", "foobaza", false)
|
|
f("foo(bar|baz)", "foobal", false)
|
|
f("^foo|b(ar)$", "foo", true)
|
|
f("^foo|b(ar)$", "bar", true)
|
|
f("^foo|b(ar)$", "ar", false)
|
|
f(".*foo.*", "foo", true)
|
|
f(".*foo.*", "afoobar", true)
|
|
f(".*foo.*", "abc", false)
|
|
f("foo.*bar.*", "foobar", true)
|
|
f("foo.*bar.*", "foo_bar_", true)
|
|
f("foo.*bar.*", "foobaz", false)
|
|
f(".+foo.+", "foo", false)
|
|
f(".+foo.+", "afoobar", true)
|
|
f(".+foo.+", "afoo", false)
|
|
f(".+foo.+", "abc", false)
|
|
f("foo.+bar.+", "foobar", false)
|
|
f("foo.+bar.+", "foo_bar_", true)
|
|
f("foo.+bar.+", "foobaz", false)
|
|
f(".+foo.*", "foo", false)
|
|
f(".+foo.*", "afoo", true)
|
|
f(".+foo.*", "afoobar", true)
|
|
f(".*(a|b).*", "a", true)
|
|
f(".*(a|b).*", "ax", true)
|
|
f(".*(a|b).*", "xa", true)
|
|
f(".*(a|b).*", "xay", true)
|
|
f(".*(a|b).*", "xzy", false)
|
|
f("^(?:true)$", "true", true)
|
|
f("^(?:true)$", "false", false)
|
|
}
|