traefik/server/server_loadbalancer_test.go

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2018-06-11 09:36:03 +00:00
package server
import (
"testing"
"github.com/containous/traefik/types"
"github.com/stretchr/testify/assert"
)
func TestConfigureBackends(t *testing.T) {
validMethod := "Drr"
defaultMethod := "wrr"
testCases := []struct {
desc string
lb *types.LoadBalancer
expectedMethod string
expectedStickiness *types.Stickiness
}{
{
desc: "valid load balancer method with sticky enabled",
lb: &types.LoadBalancer{
Method: validMethod,
Stickiness: &types.Stickiness{},
},
expectedMethod: validMethod,
expectedStickiness: &types.Stickiness{},
},
{
desc: "valid load balancer method with sticky disabled",
lb: &types.LoadBalancer{
Method: validMethod,
Stickiness: nil,
},
expectedMethod: validMethod,
},
{
desc: "invalid load balancer method with sticky enabled",
lb: &types.LoadBalancer{
Method: "Invalid",
Stickiness: &types.Stickiness{},
},
expectedMethod: defaultMethod,
expectedStickiness: &types.Stickiness{},
},
{
desc: "invalid load balancer method with sticky disabled",
lb: &types.LoadBalancer{
Method: "Invalid",
Stickiness: nil,
},
expectedMethod: defaultMethod,
},
{
desc: "missing load balancer",
lb: nil,
expectedMethod: defaultMethod,
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
backend := &types.Backend{
LoadBalancer: test.lb,
}
configureBackends(map[string]*types.Backend{
"backend": backend,
})
expected := types.LoadBalancer{
Method: test.expectedMethod,
Stickiness: test.expectedStickiness,
}
assert.Equal(t, expected, *backend.LoadBalancer)
})
}
}