coredns/middleware/metrics/setup_test.go
Miek Gieben 8931ede142 core: hide registerHandler (#964)
* core: hide registerHandler

Remove RegisterHandler and just make it implicit when we look at the
handler compilation step.

* Rename GetHandler to just Handler

Update callers and make auto check Hander in OnStartup.

* Up test coverage in erratic

* up test coverage
2017-08-22 14:21:42 +01:00

42 lines
907 B
Go

package metrics
import (
"testing"
"github.com/mholt/caddy"
)
func TestPrometheusParse(t *testing.T) {
tests := []struct {
input string
shouldErr bool
addr string
}{
// oks
{`prometheus`, false, "localhost:9153"},
{`prometheus localhost:53`, false, "localhost:53"},
// fails
{`prometheus {}`, true, ""},
{`prometheus /foo`, true, ""},
{`prometheus a b c`, true, ""},
}
for i, test := range tests {
c := caddy.NewTestController("dns", test.input)
m, err := prometheusParse(c)
if test.shouldErr && err == nil {
t.Errorf("Test %v: Expected error but found nil", i)
continue
} else if !test.shouldErr && err != nil {
t.Errorf("Test %v: Expected no error but found error: %v", i, err)
continue
}
if test.shouldErr {
continue
}
if test.addr != m.Addr {
t.Errorf("Test %v: Expected address %s but found: %s", i, test.addr, m.Addr)
}
}
}