traefik/hostresolver/hostresolver_test.go
2018-07-03 16:44:05 +02:00

61 lines
1.3 KiB
Go

package hostresolver
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestCNAMEFlatten(t *testing.T) {
testCase := []struct {
desc string
resolvFile string
domain string
expectedDomain string
isCNAME bool
}{
{
desc: "host request is CNAME record",
resolvFile: "/etc/resolv.conf",
domain: "www.github.com",
expectedDomain: "github.com",
isCNAME: true,
},
{
desc: "resolve file not found",
resolvFile: "/etc/resolv.oops",
domain: "www.github.com",
expectedDomain: "www.github.com",
isCNAME: false,
},
{
desc: "host request is not CNAME record",
resolvFile: "/etc/resolv.conf",
domain: "github.com",
expectedDomain: "github.com",
isCNAME: false,
},
}
for _, test := range testCase {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
hostResolver := &Resolver{
ResolvConfig: test.resolvFile,
ResolvDepth: 5,
}
reqH, flatH := hostResolver.CNAMEFlatten(test.domain)
assert.Equal(t, test.domain, reqH)
assert.Equal(t, test.expectedDomain, flatH)
if test.isCNAME {
assert.NotEqual(t, test.expectedDomain, reqH)
} else {
assert.Equal(t, test.expectedDomain, reqH)
}
})
}
}