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// SPDX-License-Identifier: GPL-3.0-or-later
package ignore
import (
"strings"
"testing"
)
// FuzzMatch: any pattern either fails to compile or matches any walked
// path without panicking, and gives the same answer twice. The oracle test
// checks answers against git; this checks everything else.
func FuzzMatch(f *testing.F) {
for _, p := range []string{"*.log", "/a.txt", "build/", "**/readme.md", "[!a]*.txt", "[[:digit:]]*", `\`, "[", "a[/]b", "!", "**/**/**", "*a*a*a*b"} {
f.Add(p, "dir/sub/a.txt")
}
f.Fuzz(func(t *testing.T, pattern, rel string) {
m, err := New([]string{pattern})
if err != nil {
return
}
rel = walkedRel(rel)
if rel == "" {
return
}
if m.Match(rel, false) != m.Match(rel, false) {
t.Fatalf("Match(%q) under %q is not deterministic", rel, pattern)
}
m.Match(rel, true)
})
}
// walkedRel turns any string into a path of the shape Match accepts, as a
// directory walk produces it: slash-separated, with no empty, "." or ".."
// components.
func walkedRel(s string) string {
var parts []string
for _, p := range strings.Split(s, "/") {
if p != "" && p != "." && p != ".." {
parts = append(parts, p)
}
}
return strings.Join(parts, "/")
}
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