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eda311c18f
This fix moves helper functions containerIsStopped and containerIsInState to integration/internal/container, so that they could be used outside of integration/container. Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
98 lines
3.5 KiB
Go
98 lines
3.5 KiB
Go
package container // import "github.com/docker/docker/integration/container"
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import (
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"context"
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"testing"
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"time"
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containertypes "github.com/docker/docker/api/types/container"
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"github.com/docker/docker/integration/internal/container"
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"github.com/docker/docker/integration/internal/request"
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"github.com/docker/docker/pkg/archive"
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"github.com/gotestyourself/gotestyourself/poll"
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"github.com/gotestyourself/gotestyourself/skip"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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// ensure that an added file shows up in docker diff
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func TestDiffFilenameShownInOutput(t *testing.T) {
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defer setupTest(t)()
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client := request.NewAPIClient(t)
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ctx := context.Background()
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cID := container.Run(t, ctx, client, container.WithCmd("sh", "-c", `mkdir /foo; echo xyzzy > /foo/bar`))
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// Wait for it to exit as cannot diff a running container on Windows, and
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// it will take a few seconds to exit. Also there's no way in Windows to
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// differentiate between an Add or a Modify, and all files are under
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// a "Files/" prefix.
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lookingFor := containertypes.ContainerChangeResponseItem{Kind: archive.ChangeAdd, Path: "/foo/bar"}
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if testEnv.OSType == "windows" {
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poll.WaitOn(t, container.IsInState(ctx, client, cID, "exited"), poll.WithDelay(100*time.Millisecond), poll.WithTimeout(60*time.Second))
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lookingFor = containertypes.ContainerChangeResponseItem{Kind: archive.ChangeModify, Path: "Files/foo/bar"}
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}
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items, err := client.ContainerDiff(ctx, cID)
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require.NoError(t, err)
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assert.Contains(t, items, lookingFor)
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}
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// test to ensure GH #3840 doesn't occur any more
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func TestDiffEnsureInitLayerFilesAreIgnored(t *testing.T) {
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skip.If(t, testEnv.DaemonInfo.OSType != "linux")
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defer setupTest(t)()
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client := request.NewAPIClient(t)
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ctx := context.Background()
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// this is a list of files which shouldn't show up in `docker diff`
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initLayerFiles := []string{"/etc/resolv.conf", "/etc/hostname", "/etc/hosts", "/.dockerenv"}
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containerCount := 5
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// we might not run into this problem from the first run, so start a few containers
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for i := 0; i < containerCount; i++ {
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cID := container.Run(t, ctx, client, container.WithCmd("sh", "-c", `echo foo > /root/bar`))
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items, err := client.ContainerDiff(ctx, cID)
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require.NoError(t, err)
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for _, item := range items {
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assert.NotContains(t, initLayerFiles, item.Path)
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}
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}
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}
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func TestDiffEnsureDefaultDevs(t *testing.T) {
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skip.If(t, testEnv.DaemonInfo.OSType != "linux")
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defer setupTest(t)()
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client := request.NewAPIClient(t)
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ctx := context.Background()
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cID := container.Run(t, ctx, client, container.WithCmd("sleep", "0"))
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items, err := client.ContainerDiff(ctx, cID)
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require.NoError(t, err)
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expected := []containertypes.ContainerChangeResponseItem{
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{Kind: archive.ChangeModify, Path: "/dev"},
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{Kind: archive.ChangeAdd, Path: "/dev/full"}, // busybox
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{Kind: archive.ChangeModify, Path: "/dev/ptmx"}, // libcontainer
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{Kind: archive.ChangeAdd, Path: "/dev/mqueue"},
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{Kind: archive.ChangeAdd, Path: "/dev/kmsg"},
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{Kind: archive.ChangeAdd, Path: "/dev/fd"},
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{Kind: archive.ChangeAdd, Path: "/dev/ptmx"},
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{Kind: archive.ChangeAdd, Path: "/dev/null"},
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{Kind: archive.ChangeAdd, Path: "/dev/random"},
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{Kind: archive.ChangeAdd, Path: "/dev/stdout"},
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{Kind: archive.ChangeAdd, Path: "/dev/stderr"},
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{Kind: archive.ChangeAdd, Path: "/dev/tty1"},
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{Kind: archive.ChangeAdd, Path: "/dev/stdin"},
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{Kind: archive.ChangeAdd, Path: "/dev/tty"},
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{Kind: archive.ChangeAdd, Path: "/dev/urandom"},
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}
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for _, item := range items {
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assert.Contains(t, expected, item)
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}
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}
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