func TestCheckImageExists(t *testing.T) {
var found bool
var err error
dockerClient = &mockClient{waitSleep: 100 * time.Millisecond}
expected := []string{"latest", "13.2"}
for _, e := range expected {
capture.All(func() {
found, err = checkImageExists("opensuse", e)
})
if err != nil {
t.Fatal("Unexpected error")
}
if found != true {
t.Fatal("The image should have been found")
}
}
not_expected := []string{"unexpected_tag"}
for _, unexpected := range not_expected {
capture.All(func() {
found, err = checkImageExists("opensuse", unexpected)
})
if err != nil {
t.Fatal("Unexpected error")
}
if found != false {
t.Fatal("The image should not have been found")
}
}
}
func TestSetupLoggerHome(t *testing.T) {
abs, err := filepath.Abs("test")
if err != nil {
t.Fatalf("Could not setup the test suite: %v\n", err)
}
home := os.Getenv("HOME")
defer func() {
_ = os.Setenv("HOME", home)
_ = os.Remove(filepath.Join(abs, logFileName))
}()
_ = os.Setenv("HOME", abs)
res := capture.All(func() {
setupLogger(testContext([]string{}, false))
log.Printf("Test")
})
if len(res.Stdout) != 0 {
t.Fatal("Nothing should've been printed to stdout\n")
}
contents, err := ioutil.ReadFile(filepath.Join(abs, logFileName))
if err != nil {
t.Fatalf("Could not read contents of the log: %v\n", err)
}
if !strings.HasSuffix(string(contents), "Test\n") {
t.Fatalf("'%v' expected to have logged 'Test'\n", string(contents))
}
}
func TestImagesListOk(t *testing.T) {
dockerClient = &mockClient{waitSleep: 100 * time.Millisecond}
setupTestExitStatus()
buffer := bytes.NewBuffer([]byte{})
log.SetOutput(buffer)
res := capture.All(func() { imagesCmd(testContext([]string{}, false)) })
lines := strings.Split(string(res.Stdout), "\n")
if len(lines) != 7 {
t.Fatal("Wrong number of lines")
}
if !strings.HasPrefix(lines[1], "REPOSITORY") {
t.Fatal("Wrong contents")
}
str := "opensuse latest 1 Less than a second ago 254.5 MB"
if lines[2] != str {
t.Fatal("Wrong contents")
}
str = "opensuse tag 1 Less than a second ago 254.5 MB"
if lines[3] != str {
t.Fatal("Wrong contents")
}
str = "opensuse 13.2 2 Less than a second ago 254.5 MB"
if lines[4] != str {
t.Fatal("Wrong contents")
}
if exitInvocations != 1 && lastCode != 0 {
t.Fatal("Wrong exit code")
}
}
func TestPsCommandMatches(t *testing.T) {
cacheFile := getCacheFile()
cacheFile.Outdated = []string{"2"} // this is the Id of the opensuse:13.2 image
cacheFile.Other = []string{"3"} // this is the Id of the ubuntu:latest image
cacheFile.flush()
setupTestExitStatus()
safeClient.client = &mockClient{}
buffer := bytes.NewBuffer([]byte{})
log.SetOutput(buffer)
rec := capture.All(func() { psCmd(testContext([]string{}, false)) })
if !strings.Contains(buffer.String(), "Cannot analyze container 4 [foo]") {
t.Fatal("Wrong message")
}
if !strings.Contains(string(rec.Stdout), "Running containers whose images have been updated") {
t.Fatal("Wrong message")
}
if !strings.Contains(string(rec.Stdout), "The following containers have an unknown state") &&
!strings.Contains(string(rec.Stdout), "busybox") &&
!strings.Contains(string(rec.Stdout), "foo") {
t.Fatal("Wrong message")
}
if !strings.Contains(string(rec.Stdout), "The following containers have been ignored") &&
!strings.Contains(string(rec.Stdout), "ubuntu") {
t.Fatal("Wrong message")
}
if exitInvocations != 0 {
t.Fatalf("Should not have exited with an error")
}
if lastCode != 0 {
t.Fatalf("Exit status should be 1, %v given", lastCode)
}
}
func TestPsCommandNoMatches(t *testing.T) {
cache := os.Getenv("XDG_CACHE_HOME")
abs, _ := filepath.Abs(".")
test := filepath.Join(abs, "test")
defer func() {
_ = os.Setenv("XDG_CACHE_HOME", cache)
}()
_ = os.Setenv("XDG_CACHE_HOME", test)
setupTestExitStatus()
dockerClient = &mockClient{}
buffer := bytes.NewBuffer([]byte{})
log.SetOutput(buffer)
capture.All(func() { psCmd(testContext([]string{}, false)) })
if strings.Contains(buffer.String(), "Running containers whose images have been updated") {
t.Fatal("It should not have found matches")
}
if exitInvocations != 0 {
t.Fatalf("Should not have exited with an error")
}
}
func TestImagesListUsingCache(t *testing.T) {
safeClient.client = &mockClient{waitSleep: 100 * time.Millisecond}
setupTestExitStatus()
// Dump some dummy value.
cd := getCacheFile()
cd.Suse = []string{"1"}
cd.Other = []string{"3"}
cd.flush()
buffer := bytes.NewBuffer([]byte{})
log.SetOutput(buffer)
res := capture.All(func() { imagesCmd(testContext([]string{}, false)) })
testReaderData(t, bytes.NewBuffer(res.Stdout), []string{
"REPOSITORY",
"opensuse latest 1",
"opensuse tag 1",
"opensuse 13.2 2",
"busybox latest 5",
})
if exitInvocations != 1 && lastCode != 0 {
t.Fatal("Wrong exit code")
}
}
func TestHostConfig(t *testing.T) {
hc := getHostConfig()
if len(hc.ExtraHosts) != 0 {
t.Fatalf("Wrong number of extra hosts: %v; Expected: 1", len(hc.ExtraHosts))
}
originalArgs := os.Args
defer func() {
os.Args = originalArgs
currentContext = nil
}()
os.Args = []string{"exe", "--add-host", "host:ip", "test"}
app := newApp()
app.Commands = []cli.Command{{Name: "test", Action: getCmd("test", func(*cli.Context) {})}}
capture.All(func() { app.RunAndExitOnError() })
hc = getHostConfig()
if len(hc.ExtraHosts) != 1 {
t.Fatalf("Wrong number of extra hosts: %v; Expected: 1", len(hc.ExtraHosts))
}
if hc.ExtraHosts[0] != "host:ip" {
t.Fatalf("Did not expect %v", hc.ExtraHosts[0])
}
}
func TestLogAndPrintfAndFatalf(t *testing.T) {
setupTestExitStatus()
dm := debugMode
// Debug mode: false
debugMode = false
buffer := bytes.NewBuffer([]byte{})
log.SetOutput(buffer)
res := capture.All(func() { logAndFatalf("Here") })
if !strings.Contains(buffer.String(), "Here") {
t.Fatalf("Wrong logged value!")
}
if !strings.Contains(string(res.Stdout), "Here") {
t.Fatalf("Wrong logged value!")
}
if lastCode != 1 {
t.Fatalf("It should've failed!")
}
// Debug mode: true
debugMode = true
lastCode = 0
buffer = bytes.NewBuffer([]byte{})
log.SetOutput(buffer)
res = capture.All(func() { logAndPrintf("Here") })
if !strings.Contains(buffer.String(), "Here") {
t.Fatalf("Wrong logged value!")
}
if len(res.Stdout) != 0 {
t.Fatalf("Should've been empty!")
}
if lastCode != 0 {
t.Fatalf("lastCode should've not been changed")
}
debugMode = dm
}
func TestUpdateCommandRunAndCommitFailure(t *testing.T) {
setupTestExitStatus()
dockerClient = &mockClient{startFail: true}
capture.All(func() { updateCmd(testContext([]string{"ori", "new:1.0.0"}, false)) })
if exitInvocations != 1 {
t.Fatalf("Expected to have exited with error")
}
}
func TestUpdateCommandInvalidTargetName(t *testing.T) {
setupTestExitStatus()
dockerClient = &mockClient{}
capture.All(func() { updateCmd(testContext([]string{"ori", "WRONG"}, false)) })
if exitInvocations != 1 {
t.Fatalf("Expected to have exited with error")
}
}
func TestPatchCommandInvalidTargetName(t *testing.T) {
setupTestExitStatus()
dockerClient = &mockClient{}
capture.All(func() { patchCmd(testPatchContext("ori", "WRONG")) })
if exitInvocations != 1 {
t.Fatalf("Expected to have exited with error")
}
}
func TestPatchCommandImageOverwriteDetected(t *testing.T) {
setupTestExitStatus()
dockerClient = &mockClient{listFail: true}
capture.All(func() { patchCmd(testPatchContext("ori", "new:1.0.0")) })
if exitInvocations != 1 {
t.Fatalf("Expected to have exited with error")
}
}
// run the test cases.
func (cases testCases) run(t *testing.T, cmd func(*cli.Context), command, debug string) {
for _, test := range cases {
// Skip if this not the one being debugged.
if debug != "" && debug != test.desc {
continue
}
setupTestExitStatus()
safeClient.client = test.client
buffer := bytes.NewBuffer([]byte{})
log.SetOutput(buffer)
captured := capture.All(func() { cmd(testContext(test.args, false)) })
// Exit status code
if lastCode != test.code {
t.Fatalf("[%s] Expected to have exited with code %v, %v was received.",
test.desc, test.code, lastCode)
}
// Log
if test.msg == "" {
lines := strings.Split(buffer.String(), "\n")
// The first line might be the cache failing to be loaded.
if !(len(lines) == 1 || len(lines) == 2) || lines[len(lines)-1] != "" {
t.Fatalf("Should've loggeed nothing, logged:\n%s\n", buffer.String())
}
} else {
if !strings.Contains(buffer.String(), test.msg) {
t.Fatalf("[%s] Wrong logged message.\nExpecting:\n%s\n===\nReceived:\n%s\n",
test.desc, test.msg, buffer.String())
}
}
// Stdout
if test.logAndStdout {
test.stdout = test.msg
}
if test.stdout != "" {
if !strings.Contains(string(captured.Stdout), test.stdout) {
t.Fatalf("[%s] Wrong stdout.\nExpecting:\n%s\n===\nReceived:\n%s\n",
test.desc, test.stdout, string(captured.Stdout))
}
}
if lastCode == 0 && command != "" {
if command != testCommand() {
t.Fatalf("[%s] Wrong command. Expecting '%s', '%s' received.\n",
test.desc, command, testCommand())
}
}
}
}
func TestCheckImageListFail(t *testing.T) {
dockerClient = &mockClient{listFail: true}
var err error
capture.All(func() {
_, err = checkImageExists("opensuse", "bar")
})
if err == nil {
t.Fatal("Error did not occur")
}
}
func TestSetupLoggerDebug(t *testing.T) {
// Set debug mode.
set := flag.NewFlagSet("test", 0)
set.Bool("debug", true, "doc")
c := cli.NewContext(nil, set, nil)
res := capture.All(func() {
setupLogger(c)
log.Printf("Test")
})
if !strings.HasSuffix(string(res.Stdout), "Test\n") {
t.Fatalf("'%v' expected to have logged 'Test'\n", string(res.Stdout))
}
}
func TestPatchCheckContainerCheckContainerSuccess(t *testing.T) {
setupTestExitStatus()
dockerClient = &mockClient{}
buffer := bytes.NewBuffer([]byte{})
log.SetOutput(buffer)
capture.All(func() {
patchCheckContainerCmd(testContext([]string{"suse"}, false))
})
if exitInvocations != 0 {
t.Fatalf("Should not have exited with error")
}
}
func TestGetCmd(t *testing.T) {
defer func() {
currentContext = nil
}()
fn1 := getCmd("images", func(ctx *cli.Context) { log.Printf("Hello") })
fn2 := getCmd("ps", func(ctx *cli.Context) { log.Printf("Hello") })
set := flag.NewFlagSet("test", 0)
set.Bool("debug", true, "doc")
ctx := cli.NewContext(nil, set, nil)
all := capture.All(func() { fn1(ctx) })
stdout := string(all.Stdout)
if !strings.HasPrefix(stdout, "[images]") {
t.Fatalf("%s: should've started with [images]", stdout)
}
all = capture.All(func() { fn2(ctx) })
stdout = string(all.Stdout)
if !strings.HasPrefix(stdout, "[ps]") {
t.Fatalf("%s: should've started with [ps]", stdout)
}
}
func TestUpdateCommandWrongInvocation(t *testing.T) {
setupTestExitStatus()
dockerClient = &mockClient{}
buffer := bytes.NewBuffer([]byte{})
log.SetOutput(buffer)
capture.All(func() { updateCmd(testContext([]string{}, false)) })
if exitInvocations != 1 {
t.Fatalf("Expected to have exited with error")
}
if !strings.Contains(buffer.String(), "Wrong invocation") {
t.Fatal("It should've logged something\n")
}
}
func TestUpdateCommandCommitSuccess(t *testing.T) {
setupTestExitStatus()
dockerClient = &mockClient{listReturnOneImage: true}
buffer := bytes.NewBuffer([]byte{})
log.SetOutput(buffer)
capture.All(func() { updateCmd(testContext([]string{"opensuse:13.2", "new:1.0.0"}, false)) })
if exitInvocations != 0 {
t.Fatalf("Expected to have exited successfully")
}
if !strings.Contains(buffer.String(), "new:1.0.0 successfully created") {
t.Fatal("It should've logged something\n")
}
}
func TestPatchCheckContainerFailure(t *testing.T) {
setupTestExitStatus()
dockerClient = &mockClient{listFail: true}
buffer := bytes.NewBuffer([]byte{})
log.SetOutput(buffer)
capture.All(func() {
patchCheckContainerCmd(testContext([]string{"opensuse:13.2"}, false))
})
if exitInvocations != 1 {
t.Fatalf("Expected to have exited with error")
}
}
func TestPsCommandListContaienrsEmpty(t *testing.T) {
setupTestExitStatus()
dockerClient = &mockClient{listEmpty: true}
buffer := bytes.NewBuffer([]byte{})
log.SetOutput(buffer)
capture.All(func() { psCmd(testContext([]string{}, false)) })
if !strings.Contains(buffer.String(), "There are no running containers") {
t.Fatal("It should've logged something\n")
}
if exitInvocations != 0 {
t.Fatalf("Should not have exited with an error")
}
}
func TestImagesListUsingCache(t *testing.T) {
dockerClient = &mockClient{waitSleep: 100 * time.Millisecond}
setupTestExitStatus()
cache := os.Getenv("XDG_CACHE_HOME")
abs, _ := filepath.Abs(".")
test := filepath.Join(abs, "test")
defer func() {
_ = os.Setenv("XDG_CACHE_HOME", cache)
}()
_ = os.Setenv("XDG_CACHE_HOME", test)
// Dump some dummy value.
cd := getCacheFile()
cd.Suse = []string{"1"}
cd.Other = []string{"3"}
cd.flush()
buffer := bytes.NewBuffer([]byte{})
log.SetOutput(buffer)
res := capture.All(func() { imagesCmd(testContext([]string{}, false)) })
lines := strings.Split(string(res.Stdout), "\n")
if len(lines) != 7 {
t.Fatal("Wrong number of lines")
}
if !strings.HasPrefix(lines[1], "REPOSITORY") {
t.Fatal("Wrong contents")
}
str := "opensuse latest 1 Less than a second ago 254.5 MB"
if lines[2] != str {
t.Fatal("Wrong contents")
}
str = "opensuse tag 1 Less than a second ago 254.5 MB"
if lines[3] != str {
t.Fatal("Wrong contents")
}
str = "opensuse 13.2 2 Less than a second ago 254.5 MB"
if lines[4] != str {
t.Fatal("Wrong contents")
}
if exitInvocations != 1 && lastCode != 0 {
t.Fatal("Wrong exit code")
}
}
func TestImagesListEmpty(t *testing.T) {
dockerClient = &mockClient{listEmpty: true}
setupTestExitStatus()
res := capture.All(func() { imagesCmd(testContext([]string{}, false)) })
lines := strings.Split(string(res.Stdout), "\n")
if len(lines) != 3 {
t.Fatal("Wrong number of lines")
}
if !strings.HasPrefix(lines[1], "REPOSITORY") {
t.Fatal("Wrong contents")
}
if exitInvocations != 1 && lastCode != 0 {
t.Fatal("Wrong exit code")
}
}
func TestCheckImageExistsEmptyList(t *testing.T) {
var found bool
var err error
dockerClient = &mockClient{listEmpty: true}
capture.All(func() {
found, err = checkImageExists("suse/sles11sp3", "latest")
})
if err != nil {
t.Fatal("Unexpected error")
}
if found == true {
t.Fatal("The image should not have been found")
}
}
func TestRunCommandInContainerCommandFailure(t *testing.T) {
safeClient.client = &mockClient{commandFail: true}
var err error
capture.All(func() {
_, err = runCommandInContainer("busybox", []string{"zypper"}, false)
})
if err == nil {
t.Fatal("It should've failed\n")
}
if err.Error() != "Command exited with status 1" {
t.Fatal("Wrong type of error received")
}
}
func TestPatchCheckOk(t *testing.T) {
setupTestExitStatus()
dockerClient = &mockClient{}
buffer := bytes.NewBuffer([]byte{})
log.SetOutput(buffer)
capture.All(func() {
patchCheckCmd(testContext([]string{"opensuse:13.2"}, false))
})
if testCommand() != "zypper pchk" {
t.Fatalf("Wrong command!")
}
if len(strings.Split(buffer.String(), "\n")) != 2 {
t.Fatalf("Something went wrong")
}
}
func TestUpdateCommandCannotUpdateCache(t *testing.T) {
setupTestExitStatus()
dockerClient = &mockClient{}
buffer := bytes.NewBuffer([]byte{})
log.SetOutput(buffer)
capture.All(func() { updateCmd(testContext([]string{"ori", "new:1.0.0"}, false)) })
if exitInvocations != 1 {
t.Fatalf("Expected to have exited with error")
}
if !strings.Contains(buffer.String(), "new:1.0.0 successfully created") {
t.Fatal("The new image should have been successfully created\n")
}
if !strings.Contains(buffer.String(), "This will break the") {
t.Fatal("We should warn users zypper-docker ps is not going to work\n")
}
}
func TestListUpdatesNoImageSpecified(t *testing.T) {
setupTestExitStatus()
dockerClient = &mockClient{}
buffer := bytes.NewBuffer([]byte{})
log.SetOutput(buffer)
capture.All(func() { listUpdatesCmd(testContext([]string{}, false)) })
if testCommand() != "" {
t.Fatalf("The command should not have been executed")
}
if exitInvocations != 1 {
t.Fatalf("Expected to have exited with error")
}
if !strings.Contains(buffer.String(), "Error: no image name specified") {
t.Fatal("It should've logged something\n")
}
}
func TestListUpdatesCommandFailure(t *testing.T) {
setupTestExitStatus()
dockerClient = &mockClient{commandFail: true}
buffer := bytes.NewBuffer([]byte{})
log.SetOutput(buffer)
capture.All(func() {
listUpdatesCmd(testContext([]string{"opensuse:13.2"}, false))
})
if !strings.Contains(buffer.String(), "Error: Command exited with status 1") {
t.Fatal("It should've logged something\n")
}
if exitInvocations != 1 {
t.Fatalf("Expected to have exited with error")
}
}
func TestRunCommandAndCommitToImageSuccess(t *testing.T) {
safeClient.client = &mockClient{}
var err error
capture.All(func() {
_, err = runCommandAndCommitToImage(
"source",
"new_repo",
"new_tag",
"touch foo",
"comment",
"author")
})
if err != nil {
t.Fatalf("Unexpected error")
}
}