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66 lines
1.7 KiB
Go
66 lines
1.7 KiB
Go
// +build !windows
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package main
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import (
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"io/ioutil"
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"os"
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"os/exec"
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"github.com/docker/docker/pkg/integration/checker"
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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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out, _ := dockerCmd(c, "commit", name, repoName)
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before, _ := dockerCmd(c, "inspect", repoName)
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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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saveCmd := exec.Command(dockerBinary, "save", repoName)
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saveCmd.Stdout = tmpFile
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_, err = runCommand(saveCmd)
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c.Assert(err, check.IsNil)
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tmpFile, err = os.Open(tmpFile.Name())
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c.Assert(err, check.IsNil)
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deleteImages(repoName)
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loadCmd := exec.Command(dockerBinary, "load")
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loadCmd.Stdin = tmpFile
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out, _, err = runCommandWithOutput(loadCmd)
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c.Assert(err, check.IsNil, check.Commentf(out))
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after, _ := dockerCmd(c, "inspect", repoName)
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c.Assert(before, check.Equals, after) //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", out))
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}
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