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package main
import (
"bufio"
"compress/gzip"
"context"
"os"
"os/exec"
"regexp"
"strings"
"testing"
"github.com/docker/docker/integration-cli/cli"
"gotest.tools/v3/assert"
"gotest.tools/v3/icmd"
)
type DockerCLIImportSuite struct {
ds *DockerSuite
}
func (s *DockerCLIImportSuite) TearDownTest(ctx context.Context, c *testing.T) {
s.ds.TearDownTest(ctx, c)
}
func (s *DockerCLIImportSuite) OnTimeout(c *testing.T) {
s.ds.OnTimeout(c)
}
func (s *DockerCLIImportSuite) TestImportDisplay(c *testing.T) {
testRequires(c, DaemonIsLinux)
cID := cli.DockerCmd(c, "run", "-d", "busybox", "true").Stdout()
cID = strings.TrimSpace(cID)
out, err := RunCommandPipelineWithOutput(
exec.Command(dockerBinary, "export", cID),
exec.Command(dockerBinary, "import", "-"),
)
assert.NilError(c, err)
assert.Assert(c, strings.Count(out, "\n") == 1, "display is expected 1 '\\n' but didn't")
imgRef := strings.TrimSpace(out)
out = cli.DockerCmd(c, "run", "--rm", imgRef, "true").Combined()
assert.Equal(c, out, "", "command output should've been nothing.")
}
func (s *DockerCLIImportSuite) TestImportBadURL(c *testing.T) {
out, _, err := dockerCmdWithError("import", "https://nosuchdomain.invalid/bad")
assert.Assert(c, err != nil, "import was supposed to fail but didn't")
// Depending on your system you can get either of these errors
if !strings.Contains(out, "dial tcp") &&
!strings.Contains(out, "ApplyLayer exit status 1 stdout: stderr: archive/tar: invalid tar header") &&
!strings.Contains(out, "Error processing tar file") {
c.Fatalf("expected an error msg but didn't get one.\nErr: %v\nOut: %v", err, out)
}
}
func (s *DockerCLIImportSuite) TestImportFile(c *testing.T) {
testRequires(c, DaemonIsLinux)
cli.DockerCmd(c, "run", "--name", "test-import", "busybox", "true")
temporaryFile, err := os.CreateTemp("", "exportImportTest")
assert.Assert(c, err == nil, "failed to create temporary file")
defer os.Remove(temporaryFile.Name())
icmd.RunCmd(icmd.Cmd{
Command: []string{dockerBinary, "export", "test-import"},
Stdout: bufio.NewWriter(temporaryFile),
}).Assert(c, icmd.Success)
out := cli.DockerCmd(c, "import", temporaryFile.Name()).Combined()
assert.Assert(c, strings.Count(out, "\n") == 1, "display is expected 1 '\\n' but didn't")
imgRef := strings.TrimSpace(out)
out = cli.DockerCmd(c, "run", "--rm", imgRef, "true").Combined()
assert.Equal(c, out, "", "command output should've been nothing.")
}
func (s *DockerCLIImportSuite) TestImportGzipped(c *testing.T) {
testRequires(c, DaemonIsLinux)
cli.DockerCmd(c, "run", "--name", "test-import", "busybox", "true")
temporaryFile, err := os.CreateTemp("", "exportImportTest")
assert.Assert(c, err == nil, "failed to create temporary file")
defer os.Remove(temporaryFile.Name())
w := gzip.NewWriter(temporaryFile)
icmd.RunCmd(icmd.Cmd{
Command: []string{dockerBinary, "export", "test-import"},
Stdout: w,
}).Assert(c, icmd.Success)
assert.Assert(c, w.Close() == nil, "failed to close gzip writer")
temporaryFile.Close()
out := cli.DockerCmd(c, "import", temporaryFile.Name()).Combined()
assert.Assert(c, strings.Count(out, "\n") == 1, "display is expected 1 '\\n' but didn't")
imgRef := strings.TrimSpace(out)
out = cli.DockerCmd(c, "run", "--rm", imgRef, "true").Combined()
assert.Equal(c, out, "", "command output should've been nothing.")
}
func (s *DockerCLIImportSuite) TestImportFileWithMessage(c *testing.T) {
testRequires(c, DaemonIsLinux)
cli.DockerCmd(c, "run", "--name", "test-import", "busybox", "true")
temporaryFile, err := os.CreateTemp("", "exportImportTest")
assert.Assert(c, err == nil, "failed to create temporary file")
defer os.Remove(temporaryFile.Name())
icmd.RunCmd(icmd.Cmd{
Command: []string{dockerBinary, "export", "test-import"},
Stdout: bufio.NewWriter(temporaryFile),
}).Assert(c, icmd.Success)
message := "Testing commit message"
out := cli.DockerCmd(c, "import", "-m", message, temporaryFile.Name()).Combined()
assert.Assert(c, strings.Count(out, "\n") == 1, "display is expected 1 '\\n' but didn't")
imgRef := strings.TrimSpace(out)
out = cli.DockerCmd(c, "history", imgRef).Combined()
split := strings.Split(out, "\n")
assert.Equal(c, len(split), 3, "expected 3 lines from image history")
r := regexp.MustCompile(`[\s]{2,}`)
split = r.Split(split[1], -1)
assert.Equal(c, message, split[3], "didn't get expected value in commit message")
out = cli.DockerCmd(c, "run", "--rm", imgRef, "true").Combined()
assert.Equal(c, out, "", "command output should've been nothing")
}
func (s *DockerCLIImportSuite) TestImportFileNonExistentFile(c *testing.T) {
_, _, err := dockerCmdWithError("import", "example.com/myImage.tar")
assert.Assert(c, err != nil, "import non-existing file must failed")
}
func (s *DockerCLIImportSuite) TestImportWithQuotedChanges(c *testing.T) {
testRequires(c, DaemonIsLinux)
cli.DockerCmd(c, "run", "--name", "test-import", "busybox", "true")
temporaryFile, err := os.CreateTemp("", "exportImportTest")
assert.Assert(c, err == nil, "failed to create temporary file")
defer os.Remove(temporaryFile.Name())
cli.Docker(cli.Args("export", "test-import"), cli.WithStdout(bufio.NewWriter(temporaryFile))).Assert(c, icmd.Success)
result := cli.DockerCmd(c, "import", "-c", `ENTRYPOINT ["/bin/sh", "-c"]`, temporaryFile.Name())
imgRef := strings.TrimSpace(result.Stdout())
result = cli.DockerCmd(c, "run", "--rm", imgRef, "true")
result.Assert(c, icmd.Expected{Out: icmd.None})
}
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