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package container // import "github.com/docker/docker/integration/container"
import (
"context"
"encoding/json"
"io"
"reflect"
"testing"
"time"
"github.com/docker/docker/api/types"
"github.com/docker/docker/integration/internal/container"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
"gotest.tools/v3/poll"
"gotest.tools/v3/skip"
)
func TestStats(t *testing.T) {
skip.If(t, testEnv.DaemonInfo.CgroupDriver == "none")
skip.If(t, !testEnv.DaemonInfo.MemoryLimit)
defer setupTest(t)()
client := testEnv.APIClient()
ctx := context.Background()
info, err := client.Info(ctx)
assert.NilError(t, err)
cID := container.Run(ctx, t, client)
poll.WaitOn(t, container.IsInState(ctx, client, cID, "running"), poll.WithDelay(100*time.Millisecond))
resp, err := client.ContainerStats(ctx, cID, false)
assert.NilError(t, err)
defer resp.Body.Close()
var v types.Stats
err = json.NewDecoder(resp.Body).Decode(&v)
assert.NilError(t, err)
assert.Check(t, is.Equal(int64(v.MemoryStats.Limit), info.MemTotal))
assert.Check(t, !reflect.DeepEqual(v.PreCPUStats, types.CPUStats{}))
err = json.NewDecoder(resp.Body).Decode(&v)
assert.Assert(t, is.ErrorContains(err, ""), io.EOF)
resp, err = client.ContainerStatsOneShot(ctx, cID)
assert.NilError(t, err)
defer resp.Body.Close()
v = types.Stats{}
err = json.NewDecoder(resp.Body).Decode(&v)
assert.NilError(t, err)
assert.Check(t, is.Equal(int64(v.MemoryStats.Limit), info.MemTotal))
assert.Check(t, is.DeepEqual(v.PreCPUStats, types.CPUStats{}))
err = json.NewDecoder(resp.Body).Decode(&v)
assert.Assert(t, is.ErrorContains(err, ""), io.EOF)
}
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