mirror of
https://github.com/coredns/coredns.git
synced 2025-10-31 10:13:14 -04:00
ba7d5ff55a
Add more unit tests for metrics plugin, around registration deduplication, zone management, restart/shutdown behavior and context helpers. Increases test coverage from 54.8% to 76.1%. Signed-off-by: Ville Vesilehto <ville@vesilehto.fi>
50 lines
1.1 KiB
Go
50 lines
1.1 KiB
Go
package metrics
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/coredns/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 := parse(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)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestSetupBasic(t *testing.T) {
|
|
c := caddy.NewTestController("dns", "prometheus localhost:9153")
|
|
if err := setup(c); err != nil {
|
|
t.Fatalf("setup returned error: %v", err)
|
|
}
|
|
}
|