How to use CombinedOutput method of types Package

Best Ginkgo code snippet using types.CombinedOutput

runtime-gdb_test.go

Source:runtime-gdb_test.go

...44	}45}46func checkGdbVersion(t *testing.T) {47	// Issue 11214 reports various failures with older versions of gdb.48	out, err := exec.Command("gdb", "--version").CombinedOutput()49	if err != nil {50		t.Skipf("skipping: error executing gdb: %v", err)51	}52	re := regexp.MustCompile(`([0-9]+)\.([0-9]+)`)53	matches := re.FindSubmatch(out)54	if len(matches) < 3 {55		t.Skipf("skipping: can't determine gdb version from\n%s\n", out)56	}57	major, err1 := strconv.Atoi(string(matches[1]))58	minor, err2 := strconv.Atoi(string(matches[2]))59	if err1 != nil || err2 != nil {60		t.Skipf("skipping: can't determine gdb version: %v, %v", err1, err2)61	}62	if major < 7 || (major == 7 && minor < 7) {63		t.Skipf("skipping: gdb version %d.%d too old", major, minor)64	}65	t.Logf("gdb version %d.%d", major, minor)66}67func checkGdbPython(t *testing.T) {68	if runtime.GOOS == "solaris" || runtime.GOOS == "illumos" {69		t.Skip("skipping gdb python tests on illumos and solaris; see golang.org/issue/20821")70	}71	cmd := exec.Command("gdb", "-nx", "-q", "--batch", "-iex", "python import sys; print('go gdb python support')")72	out, err := cmd.CombinedOutput()73	if err != nil {74		t.Skipf("skipping due to issue running gdb: %v", err)75	}76	if strings.TrimSpace(string(out)) != "go gdb python support" {77		t.Skipf("skipping due to lack of python gdb support: %s", out)78	}79}80// checkCleanBacktrace checks that the given backtrace is well formed and does81// not contain any error messages from GDB.82func checkCleanBacktrace(t *testing.T, backtrace string) {83	backtrace = strings.TrimSpace(backtrace)84	lines := strings.Split(backtrace, "\n")85	if len(lines) == 0 {86		t.Fatalf("empty backtrace")87	}88	for i, l := range lines {89		if !strings.HasPrefix(l, fmt.Sprintf("#%v  ", i)) {90			t.Fatalf("malformed backtrace at line %v: %v", i, l)91		}92	}93	// TODO(mundaym): check for unknown frames (e.g. "??").94}95const helloSource = `96import "fmt"97import "runtime"98var gslice []string99func main() {100	mapvar := make(map[string]string, 13)101	mapvar["abc"] = "def"102	mapvar["ghi"] = "jkl"103	strvar := "abc"104	ptrvar := &strvar105	slicevar := make([]string, 0, 16)106	slicevar = append(slicevar, mapvar["abc"])107	fmt.Println("hi")108	runtime.KeepAlive(ptrvar)109	_ = ptrvar110	gslice = slicevar111	runtime.KeepAlive(mapvar)112}  // END_OF_PROGRAM113`114func lastLine(src []byte) int {115	eop := []byte("END_OF_PROGRAM")116	for i, l := range bytes.Split(src, []byte("\n")) {117		if bytes.Contains(l, eop) {118			return i119		}120	}121	return 0122}123func TestGdbPython(t *testing.T) {124	testGdbPython(t, false)125}126func TestGdbPythonCgo(t *testing.T) {127	if runtime.GOARCH == "mips" || runtime.GOARCH == "mipsle" || runtime.GOARCH == "mips64" {128		testenv.SkipFlaky(t, 18784)129	}130	testGdbPython(t, true)131}132func testGdbPython(t *testing.T, cgo bool) {133	if cgo {134		testenv.MustHaveCGO(t)135	}136	checkGdbEnvironment(t)137	t.Parallel()138	checkGdbVersion(t)139	checkGdbPython(t)140	dir, err := ioutil.TempDir("", "go-build")141	if err != nil {142		t.Fatalf("failed to create temp directory: %v", err)143	}144	defer os.RemoveAll(dir)145	var buf bytes.Buffer146	buf.WriteString("package main\n")147	if cgo {148		buf.WriteString(`import "C"` + "\n")149	}150	buf.WriteString(helloSource)151	src := buf.Bytes()152	err = ioutil.WriteFile(filepath.Join(dir, "main.go"), src, 0644)153	if err != nil {154		t.Fatalf("failed to create file: %v", err)155	}156	nLines := lastLine(src)157	cmd := exec.Command(testenv.GoToolPath(t), "build", "-o", "a.exe", "main.go")158	cmd.Dir = dir159	out, err := testenv.CleanCmdEnv(cmd).CombinedOutput()160	if err != nil {161		t.Fatalf("building source %v\n%s", err, out)162	}163	args := []string{"-nx", "-q", "--batch",164		"-iex", "add-auto-load-safe-path " + filepath.Join(runtime.GOROOT(), "src", "runtime"),165		"-ex", "set startup-with-shell off",166		"-ex", "set print thread-events off",167	}168	if cgo {169		// When we build the cgo version of the program, the system's170		// linker is used. Some external linkers, like GNU gold,171		// compress the .debug_gdb_scripts into .zdebug_gdb_scripts.172		// Until gold and gdb can work together, temporarily load the173		// python script directly.174		args = append(args,175			"-ex", "source "+filepath.Join(runtime.GOROOT(), "src", "runtime", "runtime-gdb.py"),176		)177	} else {178		args = append(args,179			"-ex", "info auto-load python-scripts",180		)181	}182	args = append(args,183		"-ex", "set python print-stack full",184		"-ex", "br main.go:15",185		"-ex", "run",186		"-ex", "echo BEGIN info goroutines\n",187		"-ex", "info goroutines",188		"-ex", "echo END\n",189		"-ex", "echo BEGIN print mapvar\n",190		"-ex", "print mapvar",191		"-ex", "echo END\n",192		"-ex", "echo BEGIN print strvar\n",193		"-ex", "print strvar",194		"-ex", "echo END\n",195		"-ex", "echo BEGIN info locals\n",196		"-ex", "info locals",197		"-ex", "echo END\n",198		"-ex", "echo BEGIN goroutine 1 bt\n",199		"-ex", "goroutine 1 bt",200		"-ex", "echo END\n",201		"-ex", "echo BEGIN goroutine 2 bt\n",202		"-ex", "goroutine 2 bt",203		"-ex", "echo END\n",204		"-ex", "echo BEGIN goroutine all bt\n",205		"-ex", "goroutine all bt",206		"-ex", "echo END\n",207		"-ex", "clear main.go:15", // clear the previous break point208		"-ex", fmt.Sprintf("br main.go:%d", nLines), // new break point at the end of main209		"-ex", "c",210		"-ex", "echo BEGIN goroutine 1 bt at the end\n",211		"-ex", "goroutine 1 bt",212		"-ex", "echo END\n",213		filepath.Join(dir, "a.exe"),214	)215	got, _ := exec.Command("gdb", args...).CombinedOutput()216	t.Logf("gdb output: %s\n", got)217	firstLine := bytes.SplitN(got, []byte("\n"), 2)[0]218	if string(firstLine) != "Loading Go Runtime support." {219		// This can happen when using all.bash with220		// GOROOT_FINAL set, because the tests are run before221		// the final installation of the files.222		cmd := exec.Command(testenv.GoToolPath(t), "env", "GOROOT")223		cmd.Env = []string{}224		out, err := cmd.CombinedOutput()225		if err != nil && bytes.Contains(out, []byte("cannot find GOROOT")) {226			t.Skipf("skipping because GOROOT=%s does not exist", runtime.GOROOT())227		}228		_, file, _, _ := runtime.Caller(1)229		t.Logf("package testing source file: %s", file)230		t.Fatalf("failed to load Go runtime support: %s\n%s", firstLine, got)231	}232	// Extract named BEGIN...END blocks from output233	partRe := regexp.MustCompile(`(?ms)^BEGIN ([^\n]*)\n(.*?)\nEND`)234	blocks := map[string]string{}235	for _, subs := range partRe.FindAllSubmatch(got, -1) {236		blocks[string(subs[1])] = string(subs[2])237	}238	infoGoroutinesRe := regexp.MustCompile(`\*\s+\d+\s+running\s+`)239	if bl := blocks["info goroutines"]; !infoGoroutinesRe.MatchString(bl) {240		t.Fatalf("info goroutines failed: %s", bl)241	}242	printMapvarRe1 := regexp.MustCompile(`^\$[0-9]+ = map\[string\]string = {\[(0x[0-9a-f]+\s+)?"abc"\] = (0x[0-9a-f]+\s+)?"def", \[(0x[0-9a-f]+\s+)?"ghi"\] = (0x[0-9a-f]+\s+)?"jkl"}$`)243	printMapvarRe2 := regexp.MustCompile(`^\$[0-9]+ = map\[string\]string = {\[(0x[0-9a-f]+\s+)?"ghi"\] = (0x[0-9a-f]+\s+)?"jkl", \[(0x[0-9a-f]+\s+)?"abc"\] = (0x[0-9a-f]+\s+)?"def"}$`)244	if bl := blocks["print mapvar"]; !printMapvarRe1.MatchString(bl) &&245		!printMapvarRe2.MatchString(bl) {246		t.Fatalf("print mapvar failed: %s", bl)247	}248	strVarRe := regexp.MustCompile(`^\$[0-9]+ = (0x[0-9a-f]+\s+)?"abc"$`)249	if bl := blocks["print strvar"]; !strVarRe.MatchString(bl) {250		t.Fatalf("print strvar failed: %s", bl)251	}252	// The exact format of composite values has changed over time.253	// For issue 16338: ssa decompose phase split a slice into254	// a collection of scalar vars holding its fields. In such cases255	// the DWARF variable location expression should be of the256	// form "var.field" and not just "field".257	// However, the newer dwarf location list code reconstituted258	// aggregates from their fields and reverted their printing259	// back to its original form.260	// Only test that all variables are listed in 'info locals' since261	// different versions of gdb print variables in different262	// order and with differing amount of information and formats.263	if bl := blocks["info locals"]; !strings.Contains(bl, "slicevar") ||264		!strings.Contains(bl, "mapvar") ||265		!strings.Contains(bl, "strvar") {266		t.Fatalf("info locals failed: %s", bl)267	}268	// Check that the backtraces are well formed.269	checkCleanBacktrace(t, blocks["goroutine 1 bt"])270	checkCleanBacktrace(t, blocks["goroutine 2 bt"])271	checkCleanBacktrace(t, blocks["goroutine 1 bt at the end"])272	btGoroutine1Re := regexp.MustCompile(`(?m)^#0\s+(0x[0-9a-f]+\s+in\s+)?main\.main.+at`)273	if bl := blocks["goroutine 1 bt"]; !btGoroutine1Re.MatchString(bl) {274		t.Fatalf("goroutine 1 bt failed: %s", bl)275	}276	btGoroutine2Re := regexp.MustCompile(`(?m)^#0\s+(0x[0-9a-f]+\s+in\s+)?runtime.+at`)277	if bl := blocks["goroutine 2 bt"]; !btGoroutine2Re.MatchString(bl) {278		t.Fatalf("goroutine 2 bt failed: %s", bl)279	}280	if bl := blocks["goroutine all bt"]; !btGoroutine1Re.MatchString(bl) || !btGoroutine2Re.MatchString(bl) {281		t.Fatalf("goroutine all bt failed: %s", bl)282	}283	btGoroutine1AtTheEndRe := regexp.MustCompile(`(?m)^#0\s+(0x[0-9a-f]+\s+in\s+)?main\.main.+at`)284	if bl := blocks["goroutine 1 bt at the end"]; !btGoroutine1AtTheEndRe.MatchString(bl) {285		t.Fatalf("goroutine 1 bt at the end failed: %s", bl)286	}287}288const backtraceSource = `289package main290//go:noinline291func aaa() bool { return bbb() }292//go:noinline293func bbb() bool { return ccc() }294//go:noinline295func ccc() bool { return ddd() }296//go:noinline297func ddd() bool { return f() }298//go:noinline299func eee() bool { return true }300var f = eee301func main() {302	_ = aaa()303}304`305// TestGdbBacktrace tests that gdb can unwind the stack correctly306// using only the DWARF debug info.307func TestGdbBacktrace(t *testing.T) {308	if runtime.GOOS == "netbsd" {309		testenv.SkipFlaky(t, 15603)310	}311	checkGdbEnvironment(t)312	t.Parallel()313	checkGdbVersion(t)314	dir, err := ioutil.TempDir("", "go-build")315	if err != nil {316		t.Fatalf("failed to create temp directory: %v", err)317	}318	defer os.RemoveAll(dir)319	// Build the source code.320	src := filepath.Join(dir, "main.go")321	err = ioutil.WriteFile(src, []byte(backtraceSource), 0644)322	if err != nil {323		t.Fatalf("failed to create file: %v", err)324	}325	cmd := exec.Command(testenv.GoToolPath(t), "build", "-o", "a.exe", "main.go")326	cmd.Dir = dir327	out, err := testenv.CleanCmdEnv(cmd).CombinedOutput()328	if err != nil {329		t.Fatalf("building source %v\n%s", err, out)330	}331	// Execute gdb commands.332	args := []string{"-nx", "-batch",333		"-iex", "add-auto-load-safe-path " + filepath.Join(runtime.GOROOT(), "src", "runtime"),334		"-ex", "set startup-with-shell off",335		"-ex", "break main.eee",336		"-ex", "run",337		"-ex", "backtrace",338		"-ex", "continue",339		filepath.Join(dir, "a.exe"),340	}341	got, _ := exec.Command("gdb", args...).CombinedOutput()342	// Check that the backtrace matches the source code.343	bt := []string{344		"eee",345		"ddd",346		"ccc",347		"bbb",348		"aaa",349		"main",350	}351	for i, name := range bt {352		s := fmt.Sprintf("#%v.*main\\.%v", i, name)353		re := regexp.MustCompile(s)354		if found := re.Find(got) != nil; !found {355			t.Errorf("could not find '%v' in backtrace", s)356			t.Fatalf("gdb output:\n%v", string(got))357		}358	}359}360const autotmpTypeSource = `361package main362type astruct struct {363	a, b int364}365func main() {366	var iface interface{} = map[string]astruct{}367	var iface2 interface{} = []astruct{}368	println(iface, iface2)369}370`371// TestGdbAutotmpTypes ensures that types of autotmp variables appear in .debug_info372// See bug #17830.373func TestGdbAutotmpTypes(t *testing.T) {374	checkGdbEnvironment(t)375	t.Parallel()376	checkGdbVersion(t)377	if runtime.GOOS == "aix" && testing.Short() {378		t.Skip("TestGdbAutotmpTypes is too slow on aix/ppc64")379	}380	dir, err := ioutil.TempDir("", "go-build")381	if err != nil {382		t.Fatalf("failed to create temp directory: %v", err)383	}384	defer os.RemoveAll(dir)385	// Build the source code.386	src := filepath.Join(dir, "main.go")387	err = ioutil.WriteFile(src, []byte(autotmpTypeSource), 0644)388	if err != nil {389		t.Fatalf("failed to create file: %v", err)390	}391	cmd := exec.Command(testenv.GoToolPath(t), "build", "-gcflags=all=-N -l", "-o", "a.exe", "main.go")392	cmd.Dir = dir393	out, err := testenv.CleanCmdEnv(cmd).CombinedOutput()394	if err != nil {395		t.Fatalf("building source %v\n%s", err, out)396	}397	// Execute gdb commands.398	args := []string{"-nx", "-batch",399		"-iex", "add-auto-load-safe-path " + filepath.Join(runtime.GOROOT(), "src", "runtime"),400		"-ex", "set startup-with-shell off",401		"-ex", "break main.main",402		"-ex", "run",403		"-ex", "step",404		"-ex", "info types astruct",405		filepath.Join(dir, "a.exe"),406	}407	got, _ := exec.Command("gdb", args...).CombinedOutput()408	sgot := string(got)409	// Check that the backtrace matches the source code.410	types := []string{411		"[]main.astruct;",412		"bucket<string,main.astruct>;",413		"hash<string,main.astruct>;",414		"main.astruct;",415		"hash<string,main.astruct> * map[string]main.astruct;",416	}417	for _, name := range types {418		if !strings.Contains(sgot, name) {419			t.Errorf("could not find %s in 'info typrs astruct' output", name)420			t.Fatalf("gdb output:\n%v", sgot)421		}422	}423}424const constsSource = `425package main426const aConstant int = 42427const largeConstant uint64 = ^uint64(0)428const minusOne int64 = -1429func main() {430	println("hello world")431}432`433func TestGdbConst(t *testing.T) {434	checkGdbEnvironment(t)435	t.Parallel()436	checkGdbVersion(t)437	dir, err := ioutil.TempDir("", "go-build")438	if err != nil {439		t.Fatalf("failed to create temp directory: %v", err)440	}441	defer os.RemoveAll(dir)442	// Build the source code.443	src := filepath.Join(dir, "main.go")444	err = ioutil.WriteFile(src, []byte(constsSource), 0644)445	if err != nil {446		t.Fatalf("failed to create file: %v", err)447	}448	cmd := exec.Command(testenv.GoToolPath(t), "build", "-gcflags=all=-N -l", "-o", "a.exe", "main.go")449	cmd.Dir = dir450	out, err := testenv.CleanCmdEnv(cmd).CombinedOutput()451	if err != nil {452		t.Fatalf("building source %v\n%s", err, out)453	}454	// Execute gdb commands.455	args := []string{"-nx", "-batch",456		"-iex", "add-auto-load-safe-path " + filepath.Join(runtime.GOROOT(), "src", "runtime"),457		"-ex", "set startup-with-shell off",458		"-ex", "break main.main",459		"-ex", "run",460		"-ex", "print main.aConstant",461		"-ex", "print main.largeConstant",462		"-ex", "print main.minusOne",463		"-ex", "print 'runtime.mSpanInUse'",464		"-ex", "print 'runtime._PageSize'",465		filepath.Join(dir, "a.exe"),466	}467	got, _ := exec.Command("gdb", args...).CombinedOutput()468	sgot := strings.ReplaceAll(string(got), "\r\n", "\n")469	t.Logf("output %q", sgot)470	if !strings.Contains(sgot, "\n$1 = 42\n$2 = 18446744073709551615\n$3 = -1\n$4 = 1 '\\001'\n$5 = 8192") {471		t.Fatalf("output mismatch")472	}473}474const panicSource = `475package main476import "runtime/debug"477func main() {478	debug.SetTraceback("crash")479	crash()480}481func crash() {482	panic("panic!")483}484`485// TestGdbPanic tests that gdb can unwind the stack correctly486// from SIGABRTs from Go panics.487func TestGdbPanic(t *testing.T) {488	checkGdbEnvironment(t)489	t.Parallel()490	checkGdbVersion(t)491	dir, err := ioutil.TempDir("", "go-build")492	if err != nil {493		t.Fatalf("failed to create temp directory: %v", err)494	}495	defer os.RemoveAll(dir)496	// Build the source code.497	src := filepath.Join(dir, "main.go")498	err = ioutil.WriteFile(src, []byte(panicSource), 0644)499	if err != nil {500		t.Fatalf("failed to create file: %v", err)501	}502	cmd := exec.Command(testenv.GoToolPath(t), "build", "-o", "a.exe", "main.go")503	cmd.Dir = dir504	out, err := testenv.CleanCmdEnv(cmd).CombinedOutput()505	if err != nil {506		t.Fatalf("building source %v\n%s", err, out)507	}508	// Execute gdb commands.509	args := []string{"-nx", "-batch",510		"-iex", "add-auto-load-safe-path " + filepath.Join(runtime.GOROOT(), "src", "runtime"),511		"-ex", "set startup-with-shell off",512		"-ex", "run",513		"-ex", "backtrace",514		filepath.Join(dir, "a.exe"),515	}516	got, _ := exec.Command("gdb", args...).CombinedOutput()517	// Check that the backtrace matches the source code.518	bt := []string{519		`crash`,520		`main`,521	}522	for _, name := range bt {523		s := fmt.Sprintf("(#.* .* in )?main\\.%v", name)524		re := regexp.MustCompile(s)525		if found := re.Find(got) != nil; !found {526			t.Errorf("could not find '%v' in backtrace", s)527			t.Fatalf("gdb output:\n%v", string(got))528		}529	}530}...

iptables_context.go

Source:iptables_context.go

...20func (ctx *ipTablesContext) CheckAndCreate() error {21	var err error22	/* check if the set already exist */23	cmd := exec.Command(ctx.ipsetBin, "-L", ctx.SetName)24	if _, err = cmd.CombinedOutput(); err != nil { // if doesn't exist, create it25		if ctx.version == "v6" {26			cmd = exec.Command(ctx.ipsetBin, "-exist", "create", ctx.SetName, "nethash", "timeout", "300", "family", "inet6")27		} else {28			cmd = exec.Command(ctx.ipsetBin, "-exist", "create", ctx.SetName, "nethash", "timeout", "300")29		}30		log.Infof("ipset set-up : %s", cmd.String())31		if out, err := cmd.CombinedOutput(); err != nil {32			return fmt.Errorf("Error while creating set : %v --> %s", err, string(out))33		}34	}35	//waiting for propagation36	time.Sleep(1 * time.Second)37	// checking if iptables rules exist38	cmd = exec.Command(ctx.iptablesBin, ctx.CheckIptableCmds...)39	if _, err := cmd.CombinedOutput(); err != nil { // if doesn't exist, create it40		cmd = exec.Command(ctx.iptablesBin, ctx.StartupCmds...)41		log.Infof("iptables set-up : %s", cmd.String())42		if out, err := cmd.CombinedOutput(); err != nil {43			return fmt.Errorf("Error while insert set in iptables (%s): %v --> %s", cmd.String(), err, string(out))44		}45	}46	return nil47}48func (ctx *ipTablesContext) addBan(ban types.BanApplication) error {49	/*Create our set*/50	banDuration := int(ban.Until.Sub(time.Now()).Seconds())51	log.Infof("ipset add ban [%s] (for %d seconds)", ban.IpText, banDuration)52	cmd := exec.Command(ctx.ipsetBin, "-exist", "add", ctx.SetName, ban.IpText, "timeout", fmt.Sprintf("%d", banDuration))53	log.Debugf("ipset add : %s", cmd.String())54	if out, err := cmd.CombinedOutput(); err != nil {55		log.Infof("Error while inserting in set (%s): %v --> %s", cmd.String(), err, string(out))56	}57	//ipset -exist add test 192.168.0.1 timeout 60058	return nil59}60func (ctx *ipTablesContext) shutDown() error {61	/*clean iptables rules*/62	cmd := exec.Command(ctx.iptablesBin, ctx.ShutdownCmds...)63	log.Infof("iptables clean-up : %s", cmd.String())64	if out, err := cmd.CombinedOutput(); err != nil {65		/*if the set doesn't exist, don't frigthen user with error messages*/66		if strings.Contains(string(out), "Set crowdsec-blacklists doesn't exist.") {67			log.Infof("ipset 'crowdsec-blacklists' doesn't exist, skip")68		} else {69			log.Errorf("error while removing set entry in iptables : %v --> %s", err, string(out))70		}71	}72	/*clean ipset set*/73	cmd = exec.Command(ctx.ipsetBin, "-exist", "destroy", ctx.SetName)74	log.Infof("ipset clean-up : %s", cmd.String())75	if out, err := cmd.CombinedOutput(); err != nil {76		if strings.Contains(string(out), "The set with the given name does not exist") {77			log.Infof("ipset 'crowdsec-blacklists' doesn't exist, skip")78		} else {79			log.Errorf("Error while destroying set : %v --> %s", err, string(out))80		}81	}82	return nil83}84func (ctx *ipTablesContext) deleteBan(ban types.BanApplication) error {85	/*86		ipset -exist delete test 192.168.0.1 timeout 60087		ipset -exist add test 192.168.0.1 timeout 60088	*/89	log.Infof("ipset del ban for [%s]", ban.IpText)90	cmd := exec.Command(ctx.ipsetBin, "-exist", "del", ctx.SetName, ban.IpText)91	if out, err := cmd.CombinedOutput(); err != nil {92		log.Infof("Error while deleting from set (%s): %v --> %s", cmd.String(), err, string(out))93	}94	//ipset -exist add test 192.168.0.1 timeout 60095	return nil96}...

main.go

Source:main.go

1package main2import (3	"encoding/json"4	"fmt"5	"os"6	aurora "github.com/logrusorgru/aurora/v3"7)8var protocol Protocol9type checkOutput struct {10	id     string11	String string12}13type checkOutputs struct {14	warnings []checkOutput15	failures []checkOutput16}17type check func() checkOutputs18type fieldCheck func(string, string, string, DataType) checkOutputs19var checks = []check{checkRequestResponseTypesExist, checkMissingCriticalFields, checkErrorsExist}20var fieldChecks = []fieldCheck{checkTypeFieldCasing, checkCrossVersionReferences}21func main() {22	err := json.NewDecoder(os.Stdin).Decode(&protocol)23	if err != nil {24		fmt.Println(aurora.Red("error parsing stdin"))25		panic(err)26	}27	combinedOutput := checkOutputs{}28	for _, c := range checks {29		result := c()30		combinedOutput.failures = append(combinedOutput.failures, result.failures...)31		combinedOutput.warnings = append(combinedOutput.warnings, result.warnings...)32	}33	d, err := checkDiff()34	if err != nil {35		fmt.Println(aurora.Red("error diffing against stable protocol version"))36		panic(err)37	}38	combinedOutput.failures = append(combinedOutput.failures, d.failures...)39	combinedOutput.warnings = append(combinedOutput.warnings, d.warnings...)40	for _, failure := range combinedOutput.failures {41		fmt.Println(aurora.Red(aurora.Bold(failure)))42	}43	for _, warn := range combinedOutput.warnings {44		fmt.Println(aurora.Yellow(warn))45	}46	recordMetrics(combinedOutput)47	if len(combinedOutput.failures) > 0 {48		os.Exit(1)49	}50}...

CombinedOutput

Using AI Code Generation

1import (2func main() {3    cmd := exec.Command("ls", "-l")4    out, err := cmd.CombinedOutput()5    if err != nil {6        fmt.Println(err)7    }8    fmt.Println(string(out))9}

CombinedOutput

Using AI Code Generation

1import (2func main() {3	cmd := exec.Command("ls", "-l")4	output, err := cmd.CombinedOutput()5	if err != nil {6		fmt.Println(err)7	}8	fmt.Println(string(output))9}10import (11func main() {12	cmd := exec.Command("ls", "-l")13	output, err := cmd.Output()14	if err != nil {15		fmt.Println(err)16	}17	fmt.Println(string(output))18}19import (20func main() {21	cmd := exec.Command("ls", "-l")22	err := cmd.Run()23	if err != nil {24		fmt.Println(err)25	}26}27import (28func main() {29	cmd := exec.Command("ls", "-l")30	err := cmd.Start()

CombinedOutput

Using AI Code Generation

1import (2func main() {3    cmd := exec.Command("ls", "-l")4    out, err := cmd.CombinedOutput()5    if err != nil {6        fmt.Printf("%s", err)7    }8    fmt.Printf("%s", out)9}10import (11func main() {12    cmd := exec.Command("ls", "-l")13    out, err := cmd.Output()14    if err != nil {15        fmt.Printf("%s", err)16    }17    fmt.Printf("%s", out)18}19import (20func main() {21    cmd := exec.Command("ls", "-l")22    err := cmd.Run()23    if err != nil {24        fmt.Printf("%s", err)25    }26}27import (28func main() {29    cmd := exec.Command("ls", "-l")30    err := cmd.Start()31    if err != nil {32        fmt.Printf("%s", err)33    }34}35import (36func main() {37    cmd := exec.Command("ls", "-l")38    err := cmd.Wait()39    if err != nil {40        fmt.Printf("%s", err)41    }42}

CombinedOutput

Using AI Code Generation

1import (2func main() {3	cmd := exec.Command("ls", "-l")4	out, err := cmd.CombinedOutput()5	if err != nil {6		fmt.Println(err)7		os.Exit(1)8	}9	fmt.Println(string(out))10}

CombinedOutput

Using AI Code Generation

1import (2func main() {3    cmd := exec.Command("ls", "-l")4    out, err := cmd.CombinedOutput()5    if err != nil {6        fmt.Println(err)7    }8    fmt.Println(string(out))9}10import (11func main() {12    cmd := exec.Command("ls", "-l")13    out, err := cmd.CombinedOutput()14    if err != nil {15        fmt.Println(err)16    }17    fmt.Println(string(out))18}

CombinedOutput

Using AI Code Generation

1import (2func main() {3    cmd := exec.Command("ls", "dir")4    out, err := cmd.CombinedOutput()5    if err != nil {6        log.Fatal(err)7    }8    fmt.Printf("Output: %s", out)9}10import (11func main() {12    cmd := exec.Command("ls", "dir")13    out, err := cmd.Output()14    if err != nil {15        log.Fatal(err)16    }17    fmt.Printf("Output: %s", out)18}19import (20func main() {21    cmd := exec.Command("ls", "dir")22    err := cmd.Start()23    if err != nil {24        log.Fatal(err)25    }26    fmt.Printf("Waiting for command to finish...")27    err = cmd.Wait()28    fmt.Printf("Command finished with error: %v", err)29}30import (31func main() {32    cmd := exec.Command("ls", "dir")33    err := cmd.Run()34    if err != nil {35        log.Fatal(err)36    }37    fmt.Printf("Output: %s", out)38}39import (40func main() {41    cmd := exec.Command("ls", "dir")42    stdin, err := cmd.StdinPipe()43    if err != nil {44        log.Fatal(err)45    }46    go func() {47        defer stdin.Close()48        fmt.Fprintln(stdin, "some input")49    }()50    out, err := cmd.CombinedOutput()51    if err != nil {52        log.Fatal(err)53    }54    fmt.Printf("Output: %s", out)55}56import (

CombinedOutput

Using AI Code Generation

1import (2func main() {3	cmd := exec.Command("ls", "-la")4	out, err := cmd.CombinedOutput()5	if err != nil {6		fmt.Printf("Error while executing command: %s", err)7	}8	fmt.Println(string(out))9}

CombinedOutput

Using AI Code Generation

1import (2func main() {3	out, err := exec.Command("ls", "-l").CombinedOutput()4	if err != nil {5		fmt.Printf("%s", err)6	}7	fmt.Printf("%s", out)8}9import (10func main() {11	out, err := exec.Command("ls", "-l", "file").CombinedOutput()12	if err != nil {13		fmt.Printf("%s", err)14	}15	fmt.Printf("%s", out)16}17import (18func main() {19	out, err := exec.Command("ls", "-l", "file", "file2").CombinedOutput()20	if err != nil {21		fmt.Printf("%s", err)22	}23	fmt.Printf("%s", out)24}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.