/usr/share/gocode/src/github.com/rcrowley/go-metrics/registry_test.go is in golang-metrics-dev 0.0~git20140119-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import "testing"
func BenchmarkRegistry(b *testing.B) {
r := NewRegistry()
r.Register("foo", NewCounter())
b.ResetTimer()
for i := 0; i < b.N; i++ {
r.Each(func(string, interface{}) {})
}
}
func TestRegistry(t *testing.T) {
r := NewRegistry()
r.Register("foo", NewCounter())
i := 0
r.Each(func(name string, iface interface{}) {
i++
if "foo" != name {
t.Fatal(name)
}
if _, ok := iface.(Counter); !ok {
t.Fatal(iface)
}
})
if 1 != i {
t.Fatal(i)
}
r.Unregister("foo")
i = 0
r.Each(func(string, interface{}) { i++ })
if 0 != i {
t.Fatal(i)
}
}
func TestRegistryGet(t *testing.T) {
r := NewRegistry()
r.Register("foo", NewCounter())
if count := r.Get("foo").(Counter).Count(); 0 != count {
t.Fatal(count)
}
r.Get("foo").(Counter).Inc(1)
if count := r.Get("foo").(Counter).Count(); 1 != count {
t.Fatal(count)
}
}
func TestRegistryGetOrRegister(t *testing.T) {
r := NewRegistry()
// First metric wins with GetOrRegister
_ = r.GetOrRegister("foo", NewCounter())
m := r.GetOrRegister("foo", NewGauge())
if _, ok := m.(Counter); !ok {
t.Fatal(m)
}
i := 0
r.Each(func(name string, iface interface{}) {
i++
if name != "foo" {
t.Fatal(name)
}
if _, ok := iface.(Counter); !ok {
t.Fatal(iface)
}
})
if i != 1 {
t.Fatal(i)
}
}
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