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package main
import (
"fmt"
"os"
"os/exec"
"testing"
)
// save a repo and try to load it using stdout
func TestSaveAndLoadRepoStdout(t *testing.T) {
runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true")
out, _, err := runCommandWithOutput(runCmd)
errorOut(err, t, fmt.Sprintf("failed to create a container: %v %v", out, err))
cleanedContainerID := stripTrailingCharacters(out)
repoName := "foobar-save-load-test"
inspectCmd := exec.Command(dockerBinary, "inspect", cleanedContainerID)
out, _, err = runCommandWithOutput(inspectCmd)
errorOut(err, t, fmt.Sprintf("output should've been a container id: %v %v", cleanedContainerID, err))
commitCmd := exec.Command(dockerBinary, "commit", cleanedContainerID, repoName)
out, _, err = runCommandWithOutput(commitCmd)
errorOut(err, t, fmt.Sprintf("failed to commit container: %v %v", out, err))
inspectCmd = exec.Command(dockerBinary, "inspect", repoName)
before, _, err := runCommandWithOutput(inspectCmd)
errorOut(err, t, fmt.Sprintf("the repo should exist before saving it: %v %v", before, err))
saveCmdTemplate := `%v save %v > /tmp/foobar-save-load-test.tar`
saveCmdFinal := fmt.Sprintf(saveCmdTemplate, dockerBinary, repoName)
saveCmd := exec.Command("bash", "-c", saveCmdFinal)
out, _, err = runCommandWithOutput(saveCmd)
errorOut(err, t, fmt.Sprintf("failed to save repo: %v %v", out, err))
deleteImages(repoName)
loadCmdFinal := `cat /tmp/foobar-save-load-test.tar | docker load`
loadCmd := exec.Command("bash", "-c", loadCmdFinal)
out, _, err = runCommandWithOutput(loadCmd)
errorOut(err, t, fmt.Sprintf("failed to load repo: %v %v", out, err))
inspectCmd = exec.Command(dockerBinary, "inspect", repoName)
after, _, err := runCommandWithOutput(inspectCmd)
errorOut(err, t, fmt.Sprintf("the repo should exist after loading it: %v %v", after, err))
if before != after {
t.Fatalf("inspect is not the same after a save / load")
}
deleteContainer(cleanedContainerID)
deleteImages(repoName)
os.Remove("/tmp/foobar-save-load-test.tar")
logDone("save - save a repo using stdout")
logDone("load - load a repo using stdout")
}
// save a repo and try to load it using flags
func TestSaveAndLoadRepoFlags(t *testing.T) {
runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true")
out, _, err := runCommandWithOutput(runCmd)
errorOut(err, t, fmt.Sprintf("failed to create a container: %v %v", out, err))
cleanedContainerID := stripTrailingCharacters(out)
repoName := "foobar-save-load-test"
inspectCmd := exec.Command(dockerBinary, "inspect", cleanedContainerID)
out, _, err = runCommandWithOutput(inspectCmd)
errorOut(err, t, fmt.Sprintf("output should've been a container id: %v %v", cleanedContainerID, err))
commitCmd := exec.Command(dockerBinary, "commit", cleanedContainerID, repoName)
out, _, err = runCommandWithOutput(commitCmd)
errorOut(err, t, fmt.Sprintf("failed to commit container: %v %v", out, err))
inspectCmd = exec.Command(dockerBinary, "inspect", repoName)
before, _, err := runCommandWithOutput(inspectCmd)
errorOut(err, t, fmt.Sprintf("the repo should exist before saving it: %v %v", before, err))
saveCmdTemplate := `%v save -o /tmp/foobar-save-load-test.tar %v`
saveCmdFinal := fmt.Sprintf(saveCmdTemplate, dockerBinary, repoName)
saveCmd := exec.Command("bash", "-c", saveCmdFinal)
out, _, err = runCommandWithOutput(saveCmd)
errorOut(err, t, fmt.Sprintf("failed to save repo: %v %v", out, err))
deleteImages(repoName)
loadCmdFinal := `docker load -i /tmp/foobar-save-load-test.tar`
loadCmd := exec.Command("bash", "-c", loadCmdFinal)
out, _, err = runCommandWithOutput(loadCmd)
errorOut(err, t, fmt.Sprintf("failed to load repo: %v %v", out, err))
inspectCmd = exec.Command(dockerBinary, "inspect", repoName)
after, _, err := runCommandWithOutput(inspectCmd)
errorOut(err, t, fmt.Sprintf("the repo should exist after loading it: %v %v", after, err))
if before != after {
t.Fatalf("inspect is not the same after a save / load")
}
deleteContainer(cleanedContainerID)
deleteImages(repoName)
os.Remove("/tmp/foobar-save-load-test.tar")
logDone("save - save a repo using -o")
logDone("load - load a repo using -i")
}
|
