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// Copyright 2023 syzkaller project authors. All rights reserved.
// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
package subsystem
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestPathMatcher(t *testing.T) {
arm := &Subsystem{
PathRules: []PathRule{
{
IncludeRegexp: `^arch/arm/.*$`,
ExcludeRegexp: `^arch/arm/boot/dts/.*$`,
},
// Add a somewhat overlapping rule so that we test that no duplicates are returned.
{
IncludeRegexp: `^arch/arm/a/.*$`,
},
{IncludeRegexp: `^drivers/spi/spi-pl022\.c$`},
{
// nolint:lll
IncludeRegexp: `^drivers/irqchip/irq-vic\.c$|^Documentation/devicetree/bindings/interrupt-controller/arm,vic\.yaml$`,
},
},
}
docs := &Subsystem{
PathRules: []PathRule{
{IncludeRegexp: `^Documentation/.*$`},
},
}
m := MakePathMatcher([]*Subsystem{arm, docs})
assert.ElementsMatch(t, []*Subsystem{arm, docs},
m.Match(`Documentation/devicetree/bindings/interrupt-controller/arm,vic.yaml`))
assert.ElementsMatch(t, []*Subsystem{arm}, m.Match(`arch/arm/a/a.c`))
assert.ElementsMatch(t, []*Subsystem{docs}, m.Match(`Documentation/a/b/c.md`))
assert.Empty(t, m.Match(`arch/boot/dts/a.c`))
}
func TestPathMatchOrder(t *testing.T) {
s := &Subsystem{
PathRules: []PathRule{
{
IncludeRegexp: `^a/b/.*$`,
ExcludeRegexp: `^a/.*$`,
},
},
}
m := MakePathMatcher([]*Subsystem{s})
// If we first exclude a/, then a/b/c never matches.
assert.Empty(t, m.Match("a/b/c"))
}
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