e09274476f
This makes container and image removal in the tests run synchronously. Docker-DCO-1.1-Signed-off-by: Cristian Staretu <cristian.staretu@gmail.com> (github: unclejack)
91 lines
2.8 KiB
Go
91 lines
2.8 KiB
Go
package main
|
|
|
|
import (
|
|
"fmt"
|
|
"os/exec"
|
|
"strings"
|
|
"testing"
|
|
)
|
|
|
|
// ensure that an added file shows up in docker diff
|
|
func TestDiffFilenameShownInOutput(t *testing.T) {
|
|
containerCmd := `echo foo > /root/bar`
|
|
runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "sh", "-c", containerCmd)
|
|
cid, _, err := runCommandWithOutput(runCmd)
|
|
errorOut(err, t, fmt.Sprintf("failed to start the container: %v", err))
|
|
|
|
cleanCID := stripTrailingCharacters(cid)
|
|
|
|
diffCmd := exec.Command(dockerBinary, "diff", cleanCID)
|
|
out, _, err := runCommandWithOutput(diffCmd)
|
|
errorOut(err, t, fmt.Sprintf("failed to run diff: %v %v", out, err))
|
|
|
|
found := false
|
|
for _, line := range strings.Split(out, "\n") {
|
|
if strings.Contains("A /root/bar", line) {
|
|
found = true
|
|
break
|
|
}
|
|
}
|
|
if !found {
|
|
t.Errorf("couldn't find the new file in docker diff's output: %v", out)
|
|
}
|
|
deleteContainer(cleanCID)
|
|
|
|
logDone("diff - check if created file shows up")
|
|
}
|
|
|
|
// test to ensure GH #3840 doesn't occur any more
|
|
func TestDiffEnsureDockerinitFilesAreIgnored(t *testing.T) {
|
|
// this is a list of files which shouldn't show up in `docker diff`
|
|
dockerinitFiles := []string{"/etc/resolv.conf", "/etc/hostname", "/etc/hosts", "/.dockerinit", "/.dockerenv"}
|
|
|
|
// we might not run into this problem from the first run, so start a few containers
|
|
for i := 0; i < 20; i++ {
|
|
containerCmd := `echo foo > /root/bar`
|
|
runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "sh", "-c", containerCmd)
|
|
cid, _, err := runCommandWithOutput(runCmd)
|
|
errorOut(err, t, fmt.Sprintf("%s", err))
|
|
|
|
cleanCID := stripTrailingCharacters(cid)
|
|
|
|
diffCmd := exec.Command(dockerBinary, "diff", cleanCID)
|
|
out, _, err := runCommandWithOutput(diffCmd)
|
|
errorOut(err, t, fmt.Sprintf("failed to run diff: %v %v", out, err))
|
|
|
|
deleteContainer(cleanCID)
|
|
|
|
for _, filename := range dockerinitFiles {
|
|
if strings.Contains(out, filename) {
|
|
t.Errorf("found file which should've been ignored %v in diff output", filename)
|
|
}
|
|
}
|
|
}
|
|
|
|
logDone("diff - check if ignored files show up in diff")
|
|
}
|
|
|
|
func TestDiffEnsureOnlyKmsgAndPtmx(t *testing.T) {
|
|
runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "sleep 0")
|
|
cid, _, err := runCommandWithOutput(runCmd)
|
|
errorOut(err, t, fmt.Sprintf("%s", err))
|
|
cleanCID := stripTrailingCharacters(cid)
|
|
|
|
diffCmd := exec.Command(dockerBinary, "diff", cleanCID)
|
|
out, _, err := runCommandWithOutput(diffCmd)
|
|
errorOut(err, t, fmt.Sprintf("failed to run diff: %v %v", out, err))
|
|
deleteContainer(cleanCID)
|
|
|
|
expected := map[string]bool{
|
|
"C /dev": true,
|
|
"A /dev/full": true, // busybox
|
|
"C /dev/ptmx": true, // libcontainer
|
|
"A /dev/kmsg": true, // lxc
|
|
}
|
|
|
|
for _, line := range strings.Split(out, "\n") {
|
|
if line != "" && !expected[line] {
|
|
t.Errorf("'%s' is shown in the diff but shouldn't", line)
|
|
}
|
|
}
|
|
}
|