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ecbb0e62f6
There is 5 calls left, that use StdinPipe that is not yet supported by icmd. Signed-off-by: Vincent Demeester <vincent@sbr.pm>
106 lines
2.9 KiB
Go
106 lines
2.9 KiB
Go
// +build !windows
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package main
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import (
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"context"
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"fmt"
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"io/ioutil"
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"os"
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"os/exec"
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"strings"
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"time"
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"github.com/docker/docker/integration-cli/checker"
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icmd "github.com/docker/docker/pkg/testutil/cmd"
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"github.com/go-check/check"
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"github.com/kr/pty"
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)
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// save a repo and try to load it using stdout
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func (s *DockerSuite) TestSaveAndLoadRepoStdout(c *check.C) {
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name := "test-save-and-load-repo-stdout"
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dockerCmd(c, "run", "--name", name, "busybox", "true")
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repoName := "foobar-save-load-test"
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before, _ := dockerCmd(c, "commit", name, repoName)
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before = strings.TrimRight(before, "\n")
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tmpFile, err := ioutil.TempFile("", "foobar-save-load-test.tar")
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c.Assert(err, check.IsNil)
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defer os.Remove(tmpFile.Name())
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icmd.RunCmd(icmd.Cmd{
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Command: []string{dockerBinary, "save", repoName},
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Stdout: tmpFile,
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}).Assert(c, icmd.Success)
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tmpFile, err = os.Open(tmpFile.Name())
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c.Assert(err, check.IsNil)
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defer tmpFile.Close()
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deleteImages(repoName)
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icmd.RunCmd(icmd.Cmd{
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Command: []string{dockerBinary, "load"},
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Stdin: tmpFile,
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}).Assert(c, icmd.Success)
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after := inspectField(c, repoName, "Id")
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after = strings.TrimRight(after, "\n")
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c.Assert(after, check.Equals, before) //inspect is not the same after a save / load
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deleteImages(repoName)
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pty, tty, err := pty.Open()
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c.Assert(err, check.IsNil)
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cmd := exec.Command(dockerBinary, "save", repoName)
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cmd.Stdin = tty
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cmd.Stdout = tty
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cmd.Stderr = tty
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c.Assert(cmd.Start(), check.IsNil)
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c.Assert(cmd.Wait(), check.NotNil) //did not break writing to a TTY
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buf := make([]byte, 1024)
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n, err := pty.Read(buf)
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c.Assert(err, check.IsNil) //could not read tty output
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c.Assert(string(buf[:n]), checker.Contains, "Cowardly refusing", check.Commentf("help output is not being yielded"))
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}
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func (s *DockerSuite) TestSaveAndLoadWithProgressBar(c *check.C) {
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name := "test-load"
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buildImageSuccessfully(c, name, withDockerfile(`FROM busybox
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RUN touch aa
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`))
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tmptar := name + ".tar"
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dockerCmd(c, "save", "-o", tmptar, name)
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defer os.Remove(tmptar)
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dockerCmd(c, "rmi", name)
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dockerCmd(c, "tag", "busybox", name)
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out, _ := dockerCmd(c, "load", "-i", tmptar)
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expected := fmt.Sprintf("The image %s:latest already exists, renaming the old one with ID", name)
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c.Assert(out, checker.Contains, expected)
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}
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// fail because load didn't receive data from stdin
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func (s *DockerSuite) TestLoadNoStdinFail(c *check.C) {
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pty, tty, err := pty.Open()
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c.Assert(err, check.IsNil)
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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cmd := exec.CommandContext(ctx, dockerBinary, "load")
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cmd.Stdin = tty
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cmd.Stdout = tty
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cmd.Stderr = tty
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c.Assert(cmd.Run(), check.NotNil) // docker-load should fail
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buf := make([]byte, 1024)
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n, err := pty.Read(buf)
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c.Assert(err, check.IsNil) //could not read tty output
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c.Assert(string(buf[:n]), checker.Contains, "requested load from stdin, but stdin is empty")
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}
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