cloudflared-mirror/metrics/readiness_test.go

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package metrics
import (
"net/http"
"testing"
"github.com/rs/zerolog"
"github.com/stretchr/testify/assert"
"github.com/cloudflare/cloudflared/connection"
)
func TestReadyServer_makeResponse(t *testing.T) {
type fields struct {
isConnected map[int]bool
}
tests := []struct {
name string
fields fields
wantOK bool
wantReadyConnections int
}{
{
name: "One connection online => HTTP 200",
fields: fields{
isConnected: map[int]bool{
0: false,
1: false,
2: true,
3: false,
},
},
wantOK: true,
wantReadyConnections: 1,
},
{
name: "No connections online => no HTTP 200",
fields: fields{
isConnected: map[int]bool{
0: false,
1: false,
2: false,
3: false,
},
},
wantReadyConnections: 0,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
rs := &ReadyServer{
isConnected: tt.fields.isConnected,
}
gotStatusCode, gotReadyConnections := rs.makeResponse()
if tt.wantOK && gotStatusCode != http.StatusOK {
t.Errorf("ReadyServer.makeResponse() gotStatusCode = %v, want ok = %v", gotStatusCode, tt.wantOK)
}
if gotReadyConnections != tt.wantReadyConnections {
t.Errorf("ReadyServer.makeResponse() gotReadyConnections = %v, want %v", gotReadyConnections, tt.wantReadyConnections)
}
})
}
}
func TestReadinessEventHandling(t *testing.T) {
nopLogger := zerolog.Nop()
rs := NewReadyServer(&nopLogger)
// start not ok
code, ready := rs.makeResponse()
assert.NotEqualValues(t, http.StatusOK, code)
assert.Zero(t, ready)
// one connected => ok
rs.OnTunnelEvent(connection.Event{
Index: 1,
EventType: connection.Connected,
})
code, ready = rs.makeResponse()
assert.EqualValues(t, http.StatusOK, code)
assert.EqualValues(t, 1, ready)
// another connected => still ok
rs.OnTunnelEvent(connection.Event{
Index: 2,
EventType: connection.Connected,
})
code, ready = rs.makeResponse()
assert.EqualValues(t, http.StatusOK, code)
assert.EqualValues(t, 2, ready)
// one reconnecting => still ok
rs.OnTunnelEvent(connection.Event{
Index: 2,
EventType: connection.Reconnecting,
})
code, ready = rs.makeResponse()
assert.EqualValues(t, http.StatusOK, code)
assert.EqualValues(t, 1, ready)
// Regression test for TUN-3777
rs.OnTunnelEvent(connection.Event{
Index: 1,
EventType: connection.RegisteringTunnel,
})
code, ready = rs.makeResponse()
assert.NotEqualValues(t, http.StatusOK, code)
assert.Zero(t, ready)
// other connected then unregistered => not ok
rs.OnTunnelEvent(connection.Event{
Index: 1,
EventType: connection.Connected,
})
code, ready = rs.makeResponse()
assert.EqualValues(t, http.StatusOK, code)
assert.EqualValues(t, 1, ready)
rs.OnTunnelEvent(connection.Event{
Index: 1,
EventType: connection.Unregistering,
})
code, ready = rs.makeResponse()
assert.NotEqualValues(t, http.StatusOK, code)
assert.Zero(t, ready)
// other disconnected => not ok
rs.OnTunnelEvent(connection.Event{
Index: 1,
EventType: connection.Disconnected,
})
code, ready = rs.makeResponse()
assert.NotEqualValues(t, http.StatusOK, code)
assert.Zero(t, ready)
}