coredns/middleware/erratic/setup_test.go
Miek Gieben 73397e4667 Tc bits (#617)
* middleware/erratic: allow TC bit to be set

Add `truncate` as an option.

Fixes #593
2017-04-16 07:49:13 +01:00

84 lines
1.7 KiB
Go

package erratic
import (
"testing"
"github.com/mholt/caddy"
)
func TestSetupErratic(t *testing.T) {
c := caddy.NewTestController("dns", `erratic {
drop
}`)
if err := setupErratic(c); err != nil {
t.Fatalf("Test 1, expected no errors, but got: %q", err)
}
c = caddy.NewTestController("dns", `erratic`)
if err := setupErratic(c); err != nil {
t.Fatalf("Test 2, expected no errors, but got: %q", err)
}
c = caddy.NewTestController("dns", `erratic {
drop -1
}`)
if err := setupErratic(c); err == nil {
t.Fatalf("Test 4, expected errors, but got: %q", err)
}
}
func TestParseErratic(t *testing.T) {
tests := []struct {
input string
shouldErr bool
drop uint64
delay uint64
truncate uint64
}{
// oks
{`erratic`, false, 2, 0, 0},
{`erratic {
drop 2
delay 3 1ms
}`, false, 2, 3, 0},
{`erratic {
truncate 2
delay 3 1ms
}`, false, 0, 3, 2},
// fails
{`erratic {
drop -1
}`, true, 0, 0, 0},
{`erraric {
drop 3
delay 3 bla
}`, true, 0, 0, 0},
}
for i, test := range tests {
c := caddy.NewTestController("dns", test.input)
e, err := parseErratic(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.delay != e.delay {
t.Errorf("Test %v: Expected delay %d but found: %d", i, test.delay, e.delay)
}
if test.drop != e.drop {
t.Errorf("Test %v: Expected drop %d but found: %d", i, test.drop, e.drop)
}
if test.truncate != e.truncate {
t.Errorf("Test %v: Expected truncate %d but found: %d", i, test.truncate, e.truncate)
}
}
}