github.com/demonoid81/moby@v0.0.0-20200517203328-62dd8e17c460/integration/container/stats_test.go (about) 1 package container // import "github.com/demonoid81/moby/integration/container" 2 3 import ( 4 "context" 5 "encoding/json" 6 "io" 7 "reflect" 8 "testing" 9 "time" 10 11 "github.com/demonoid81/moby/api/types" 12 "github.com/demonoid81/moby/integration/internal/container" 13 "gotest.tools/v3/assert" 14 is "gotest.tools/v3/assert/cmp" 15 "gotest.tools/v3/poll" 16 "gotest.tools/v3/skip" 17 ) 18 19 func TestStats(t *testing.T) { 20 skip.If(t, testEnv.DaemonInfo.CgroupDriver == "none") 21 skip.If(t, !testEnv.DaemonInfo.MemoryLimit) 22 23 defer setupTest(t)() 24 client := testEnv.APIClient() 25 ctx := context.Background() 26 27 info, err := client.Info(ctx) 28 assert.NilError(t, err) 29 30 cID := container.Run(ctx, t, client) 31 32 poll.WaitOn(t, container.IsInState(ctx, client, cID, "running"), poll.WithDelay(100*time.Millisecond)) 33 34 resp, err := client.ContainerStats(ctx, cID, false) 35 assert.NilError(t, err) 36 defer resp.Body.Close() 37 38 var v types.Stats 39 err = json.NewDecoder(resp.Body).Decode(&v) 40 assert.NilError(t, err) 41 assert.Check(t, is.Equal(int64(v.MemoryStats.Limit), info.MemTotal)) 42 assert.Check(t, !reflect.DeepEqual(v.PreCPUStats, types.CPUStats{})) 43 err = json.NewDecoder(resp.Body).Decode(&v) 44 assert.Assert(t, is.ErrorContains(err, ""), io.EOF) 45 46 resp, err = client.ContainerStatsOneShot(ctx, cID) 47 assert.NilError(t, err) 48 defer resp.Body.Close() 49 50 v = types.Stats{} 51 err = json.NewDecoder(resp.Body).Decode(&v) 52 assert.NilError(t, err) 53 assert.Check(t, is.Equal(int64(v.MemoryStats.Limit), info.MemTotal)) 54 assert.Check(t, is.DeepEqual(v.PreCPUStats, types.CPUStats{})) 55 err = json.NewDecoder(resp.Body).Decode(&v) 56 assert.Assert(t, is.ErrorContains(err, ""), io.EOF) 57 }