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server_test.go
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server_test.go
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package discovery
import (
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"k8s.io/apimachinery/pkg/labels"
)
func TestFilter(t *testing.T) {
servers := Servers{
*NewServer("server1", Labels{"env": "prod", "location": "ch"}),
*NewServer("server2", Labels{"env": "test"}),
}
var tt = []struct {
name string
selector string
expected []string
}{
{
"empty selector",
"",
[]string{"server1", "server2"},
},
{
"matching selector",
"env=prod",
[]string{"server1"},
},
{
"not matching selector",
"env=dev",
[]string{},
},
}
for i := range tt {
tc := tt[i]
t.Run(tc.name, func(t *testing.T) {
sel, err := labels.Parse(tc.selector)
require.NoError(t, err)
s := servers.Filter(ServersBySelector(sel))
assert.Equal(t, s.Names(), tc.expected)
})
}
}
func TestSort(t *testing.T) {
now := time.Now()
oneMinuteAgo := now.Add(-1 * time.Minute)
servers := Servers{
Server{
Name: "server1",
Modified: now,
},
Server{
Name: "a-server",
Modified: oneMinuteAgo,
},
}
t.Run("sort by name", func(t *testing.T) {
servers.SortByName()
assert.Equal(t, []string{"a-server", "server1"}, servers.Names())
})
t.Run("sort by modification date", func(t *testing.T) {
servers.SortByDate()
assert.Equal(t, []string{"server1", "a-server"}, servers.Names())
})
}