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// SPDX-License-Identifier: GPL-3.0-or-later
package matcher
import (
"regexp"
"testing"
"github.com/stretchr/testify/assert"
)
func TestRegExpMatch_Match(t *testing.T) {
m := regexp.MustCompile("[0-9]+")
cases := []struct {
expected bool
line string
}{
{
expected: true,
line: "2019",
},
{
expected: true,
line: "It's over 9000!",
},
{
expected: false,
line: "This will never fail!",
},
}
for _, c := range cases {
assert.Equal(t, c.expected, m.MatchString(c.line))
}
}
func BenchmarkRegExp_MatchString(b *testing.B) {
benchmarks := []struct {
expr string
test string
}{
{"", ""},
{"abc", "abcd"},
{"^abc", "abcd"},
{"abc$", "abcd"},
{"^abc$", "abcd"},
{"[a-z]+", "abcd"},
}
for _, bm := range benchmarks {
b.Run(bm.expr+"_raw", func(b *testing.B) {
m := regexp.MustCompile(bm.expr)
b.ResetTimer()
for i := 0; i < b.N; i++ {
m.MatchString(bm.test)
}
})
b.Run(bm.expr+"_optimized", func(b *testing.B) {
m, _ := NewRegExpMatcher(bm.expr)
b.ResetTimer()
for i := 0; i < b.N; i++ {
m.MatchString(bm.test)
}
})
}
}
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