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package gitaly
import (
"context"
"testing"
"github.com/prometheus/client_golang/prometheus/testutil"
"github.com/stretchr/testify/require"
"gitlab.com/gitlab-org/gitlab-shell/v14/internal/metrics"
)
func TestPrometheusMetrics(t *testing.T) {
metrics.GitalyConnectionsTotal.Reset()
c := newClient()
cmd := Command{ServiceName: "git-upload-pack", Address: "tcp://localhost:9999"}
c.newConnection(context.Background(), cmd)
c.newConnection(context.Background(), cmd)
require.Equal(t, 1, testutil.CollectAndCount(metrics.GitalyConnectionsTotal))
require.InDelta(t, 2, testutil.ToFloat64(metrics.GitalyConnectionsTotal.WithLabelValues("ok")), 0.1)
require.InDelta(t, 0, testutil.ToFloat64(metrics.GitalyConnectionsTotal.WithLabelValues("fail")), 0.1)
cmd = Command{Address: ""}
c.newConnection(context.Background(), cmd)
require.InDelta(t, 2, testutil.ToFloat64(metrics.GitalyConnectionsTotal.WithLabelValues("ok")), 0.1)
require.InDelta(t, 1, testutil.ToFloat64(metrics.GitalyConnectionsTotal.WithLabelValues("fail")), 0.1)
}
func TestCachedConnections(t *testing.T) {
c := newClient()
require.Len(t, c.cache.connections, 0)
cmd := Command{ServiceName: "git-upload-pack", Address: "tcp://localhost:9999"}
conn, err := c.GetConnection(context.Background(), cmd)
require.NoError(t, err)
require.Len(t, c.cache.connections, 1)
newConn, err := c.GetConnection(context.Background(), cmd)
require.NoError(t, err)
require.Len(t, c.cache.connections, 1)
require.Equal(t, conn, newConn)
cmd = Command{ServiceName: "git-upload-pack", Address: "tcp://localhost:9998"}
_, err = c.GetConnection(context.Background(), cmd)
require.NoError(t, err)
require.Len(t, c.cache.connections, 2)
}
func newClient() *Client {
c := &Client{}
c.InitSidechannelRegistry(context.Background())
return c
}
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