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How to use TestMain method of cmd Package

Best Gauge code snippet using cmd.TestMain

main_test.go

Source:main_test.go

...144	}145	connString := "postgres://root@"+resource.GetHostPort("26257/tcp")+"/postgres?sslmode=disable"146	return waitForDBMSAndCreateConfig(pool, resource, connString)147}148// TestMain does the before and after setup149func TestMain(m *testing.M) {150	useCockroachEnv := os.Getenv("USE_COCKROACH_DB")151	var confPath string152	var stopDB func()153	if len(useCockroachEnv) > 0 {154		log.Infoln("[TestMain] About to start CockroachDB...")155		confPath, stopDB = startCockroachDB()156		log.Infoln("[TestMain] CockroachDB started!")157	} else {158		log.Infoln("[TestMain] About to start PostgreSQL...")159		confPath, stopDB = startPostgreSQL()160		log.Infoln("[TestMain] PostgreSQL started!")161	}162	// We should change directory, otherwise the service will not find `migrations` directory163	err := os.Chdir("../..")164	if err != nil {165		stopDB()166		log.Panicf("[TestMain] os.Chdir failed: %v", err)167	}168	cmd := exec.Command("./bin/rest-service-example", "-c", confPath)169	cmd.Stdout = os.Stdout170	cmd.Stderr = os.Stderr171	err = cmd.Start()172	if err != nil {173		stopDB()174		log.Panicf("[TestMain] cmd.Start failed: %v", err)175	}176	log.Infof("[TestMain] cmd.Process.Pid = %d", cmd.Process.Pid)177	// We have to make sure the migration is finished and REST API is available before running any tests.178	// Otherwise there might be a race condition - the test see that API is unavailable and terminates,179	// pruning Docker container in the process which was running a migration.180	attempt := 0181	ok := false182	client := httpClient{}183	for attempt < 20 {184		attempt++185		_, _, err := client.sendJsonReq("GET", "http://localhost:8080/api/v1/records/0", []byte{})186		if err != nil {187			log.Infof("[TestMain] client.sendJsonReq failed: %v, waiting... (attempt %d)", err, attempt)188			time.Sleep(1 * time.Second)189			continue190		}191		ok = true192		break193	}194	if !ok {195		stopDB()196		_ = cmd.Process.Kill()197		log.Panicf("[TestMain] REST API is unavailable")198	}199	log.Infoln("[TestMain] REST API ready! Executing m.Run()")200	// Run all tests201	code := m.Run()202	log.Infoln("[TestMain] Cleaning up...")203	_ = cmd.Process.Signal(syscall.SIGTERM)204	stopDB()205	os.Exit(code)206}207func TestCRUD(t *testing.T) {208	t.Parallel()209	type PhonebookRecord struct {210		Id int64 `json:"id"`211		Name string `json:"name"`212		Phone string `json:"phone"`213	}214	client := httpClient{}215	// CREATE216	record := PhonebookRecord{...

test.go

Source:test.go

...80		SrcRoot:    pkg.SrcRoot,81		GoFiles:      gofiles,82		CFiles:       pkg.CFiles,83		CgoFiles:     cgofiles,84		TestGoFiles:  pkg.TestGoFiles,  // passed directly to buildTestMain85		XTestGoFiles: pkg.XTestGoFiles, // passed directly to buildTestMain86		CgoCFLAGS:    pkg.CgoCFLAGS,87		CgoCPPFLAGS:  pkg.CgoCPPFLAGS,88		CgoCXXFLAGS:  pkg.CgoCXXFLAGS,89		CgoLDFLAGS:   pkg.CgoLDFLAGS,90		CgoPkgConfig: pkg.CgoPkgConfig,91		Imports: imports,92	})93	testpkg.Scope = "test"94	testpkg.Stale = true95	// build dependencies96	deps, err := gb.BuildDependencies(targets, testpkg)97	if err != nil {98		return nil, err99	}100	// only build the internal test if there is Go source or101	// internal test files.102	var testobj *gb.Action103	if len(testpkg.GoFiles)+len(testpkg.CgoFiles)+len(testpkg.TestGoFiles) > 0 {104		var err error105		testobj, err = gb.Compile(testpkg, deps...)106		if err != nil {107			return nil, err108		}109	}110	// external tests111	if len(pkg.XTestGoFiles) > 0 {112		xtestpkg := gb.NewPackage(pkg.Context, &build.Package{113			Name:       name,114			ImportPath: pkg.ImportPath + "_test",115			Dir:        pkg.Dir,116			GoFiles:    pkg.XTestGoFiles,117			Imports:    pkg.XTestImports,118		})119		// build external test dependencies120		deps, err := gb.BuildDependencies(targets, xtestpkg)121		if err != nil {122			return nil, err123		}124		xtestpkg.Scope = "test"125		xtestpkg.Stale = true126		xtestpkg.ExtraIncludes = filepath.Join(pkg.Workdir(), filepath.FromSlash(pkg.ImportPath), "_test")127		// if there is an internal test object, add it as a dependency.128		if testobj != nil {129			deps = append(deps, testobj)130		}131		testobj, err = gb.Compile(xtestpkg, deps...)132		if err != nil {133			return nil, err134		}135	}136	testmainpkg, err := buildTestMain(testpkg)137	if err != nil {138		return nil, err139	}140	testmain, err := gb.Compile(testmainpkg, testobj)141	if err != nil {142		return nil, err143	}144	cmd := exec.Command(testmainpkg.Binfile()+".test", flags...)145	cmd.Dir = pkg.Dir // tests run in the original source directory146	cmd.Stdout = os.Stdout147	cmd.Stderr = os.Stderr148	gb.Debugf("scheduling run of %v", cmd.Args)149	return &gb.Action{150		Name: fmt.Sprintf("run: %s", cmd.Args),151		Deps: []*gb.Action{testmain},152		Task: gb.TaskFn(func() error {153			return cmd.Run()154		}),155	}, nil156}157func buildTestMain(pkg *gb.Package) (*gb.Package, error) {158	if pkg.Scope != "test" {159		return nil, fmt.Errorf("package %q is not test scoped", pkg.Name)160	}161	dir := pkg.Objdir()162	if err := mkdir(dir); err != nil {163		return nil, fmt.Errorf("buildTestmain: %v", err)164	}165	tests, err := loadTestFuncs(pkg.Package)166	if err != nil {167		return nil, err168	}169	if len(pkg.Package.XTestGoFiles) > 0 {170		// if there are external tests ensure that we import the171		// test package into the final binary for side effects....

cmd_test.go

Source:cmd_test.go

...5	"testing"6	"github.com/t-yuki/gotfmt/cmd"7)8func testMain(t *testing.T, args ...string) {9	if os.Getenv(".gotfmt.TestMain") == "" {10		os.Setenv(".gotfmt.TestMain", "1")11		defer os.Setenv(".gotfmt.TestMain", "")12		runMain(t, append(args, "-np0")...)13		runMain(t, args...)14		runMain(t, append(args, "-run=TestMain")...)15		runMain(t, append(args, "-test.run=TestMain")...)16		runMain(t, append(args, "-np1")...)17		runMain(t, append(args, "-np2")...)18		runMain(t, append(args, "-np1", "-run=TestMain")...)19		runMain(t, append(args, "-np2", "-run=TestMain")...)20		runMain(t, append(args, "-np1", "-test.run=TestMain")...)21		runMain(t, append(args, "-np2", "-test.run=TestMain")...)22	}23}24func runMain(t *testing.T, args ...string) {25	flags := flag.NewFlagSet(os.Args[0], flag.ExitOnError)26	cmd.RegisterFlags(flags)27	args = cmd.ParseFlags(flags, args)28	cmd.Main(args)29}30func TestMain_test(t *testing.T) {31	testMain(t, "test")32}33func TestMain_race(t *testing.T) {34	testMain(t, "test", "-race")35}36func TestMain_cover(t *testing.T) {37	testMain(t, "test", "-cover")38}...

TestMain

Using AI Code Generation

1func TestMain(m *testing.M) {2    os.Exit(m.Run())3}4func TestMain(m *testing.M) {5    os.Exit(m.Run())6}7func TestMain(m *testing.M) {8    os.Exit(m.Run())9}10func TestMain(m *testing.M) {11    os.Exit(m.Run())12}13func TestMain(m *testing.M) {14    os.Exit(m.Run())15}16func TestMain(m *testing.M) {17    os.Exit(m.Run())18}19func TestMain(m *testing.M) {20    os.Exit(m.Run())21}22func TestMain(m *testing.M) {23    os.Exit(m.Run())24}25func TestMain(m *testing.M) {26    os.Exit(m.Run())27}28func TestMain(m *testing.M) {29    os.Exit(m.Run())30}31func TestMain(m *testing.M) {32    os.Exit(m.Run())33}34func TestMain(m *testing.M) {35    os.Exit(m.Run())36}37func TestMain(m *testing.M) {38    os.Exit(m.Run())39}40func TestMain(m *testing.M) {41    os.Exit(m.Run())42}43func TestMain(m *testing.M) {44    os.Exit(m.Run())45}

TestMain

Using AI Code Generation

1func TestMain(m *testing.M) {2	flag.Parse()3	os.Exit(m.Run())4}5func TestMain(m *testing.M) {6	flag.Parse()7	os.Exit(m.Run())8}9func TestMain(m *testing.M) {10	flag.Parse()11	os.Exit(m.Run())12}13func TestMain(m *testing.M) {14	flag.Parse()15	os.Exit(m.Run())16}17func TestMain(m *testing.M) {18	flag.Parse()19	os.Exit(m.Run())20}21func TestMain(m *testing.M) {22	flag.Parse()23	os.Exit(m.Run())24}25func TestMain(m *testing.M) {26	flag.Parse()27	os.Exit(m.Run())28}29func TestMain(m *testing.M) {30	flag.Parse()31	os.Exit(m.Run())32}33func TestMain(m *testing.M) {34	flag.Parse()35	os.Exit(m.Run())36}37func TestMain(m *testing.M) {38	flag.Parse()39	os.Exit(m.Run())40}41func TestMain(m *testing.M) {42	flag.Parse()43	os.Exit(m.Run())44}45func TestMain(m *testing.M) {46	flag.Parse()47	os.Exit(m.Run())48}49func TestMain(m *testing.M) {50	flag.Parse()51	os.Exit(m.Run())52}53func TestMain(m *testing.M) {54	flag.Parse()55	os.Exit(m.Run())56}

TestMain

Using AI Code Generation

1import (2func TestMain(m *testing.M) {3	os.Exit(m.Run())4}5func TestOne(t *testing.T) {6	fmt.Println("This is TestOne")7}8func TestTwo(t *testing.T) {9	fmt.Println("This is TestTwo")10}11func TestThree(t *testing.T) {12	fmt.Println("This is TestThree")13}14import (15func TestMain(m *testing.M) {16	os.Exit(m.Run())17}18func TestOne(t *testing.T) {19	fmt.Println("This is TestOne")20}21func TestTwo(t *testing.T) {22	fmt.Println("This is TestTwo")23}24func TestThree(t *testing.T) {25	fmt.Println("This is TestThree")26}27--- PASS: TestOne (0.00s)28--- PASS: TestTwo (0.00s)29--- PASS: TestThree (0.00s)30--- PASS: TestOne (0.00s)31--- PASS: TestTwo (0.00s)32--- PASS: TestThree (0.00s)33--- PASS: TestOne (0.00s)34--- PASS: TestTwo (0.00s)35--- PASS: TestThree (0.00s)

TestMain

Using AI Code Generation

1import (2func TestMain(m *testing.M) {3    flag.Parse()4    fmt.Println("TestMain")5    os.Exit(m.Run())6}7func Test1(t *testing.T) {8    fmt.Println("Test1")9}10func Test2(t *testing.T) {11    fmt.Println("Test2")12}13func Test3(t *testing.T) {14    fmt.Println("Test3")15}16import (17func TestMain(m *testing.M) {18    flag.Parse()19    fmt.Println("TestMain")20    os.Exit(m.Run())21}22func Test1(t *testing.T) {23    fmt.Println("Test1")24}25func Test2(t *testing.T) {26    fmt.Println("Test2")27}28func Test3(t *testing.T) {29    fmt.Println("Test3")30}31func Test4(t *testing.T) {32    fmt.Println("Test4")33}34func Test5(t *testing.T) {35    fmt.Println("Test5")36}37import (38func TestMain(m *testing.M) {39    flag.Parse()40    fmt.Println("TestMain")41    os.Exit(m.Run())42}43func Test1(t *testing.T) {44    fmt.Println("Test1")45}46func Test2(t *testing.T) {47    fmt.Println("Test2")48}49func Test3(t *testing.T) {50    fmt.Println("Test3")51}52func Test4(t *testing.T) {53    fmt.Println("Test4")54}

TestMain

Using AI Code Generation

1import (2func TestMain(m *testing.M) {3	fmt.Println("TestMain")4	os.Exit(m.Run())5}6func TestOne(t *testing.T) {7	fmt.Println("TestOne")8	t.Log("TestOne")9}10func TestTwo(t *testing.T) {11	fmt.Println("TestTwo")12	t.Log("TestTwo")13}

TestMain

Using AI Code Generation

1import (2func TestMain(m *testing.M) {3	fmt.Println("Before Test")4	os.Exit(m.Run())5}6func TestA(t *testing.T) {7	fmt.Println("Test A")8}9func TestB(t *testing.T) {10	fmt.Println("Test B")11}12func TestC(t *testing.T) {13	fmt.Println("Test C")14}15import (16func TestMain(m *testing.M) {17	fmt.Println("Before Test")18	os.Exit(m.Run())19}20func TestA(t *testing.T) {21	fmt.Println("Test A")22}23func TestB(t *testing.T) {24	fmt.Println("Test B")25}26func TestC(t *testing.T) {27	fmt.Println("Test C")28}29import (30func TestMain(m *testing.M) {31	fmt.Println("Before Test")32	os.Exit(m.Run())33}34func TestA(t *testing.T) {35	fmt.Println("Test A")36}37func TestB(t *testing.T) {38	fmt.Println("Test B")39}40func TestC(t *testing.T) {41	fmt.Println("Test C")42}43import (44func TestMain(m *testing.M) {45	fmt.Println("Before Test")46	os.Exit(m.Run())47}48func TestA(t *testing.T) {49	fmt.Println("Test A")50}51func TestB(t *testing.T) {52	fmt.Println("Test B")53}54func TestC(t *testing.T) {55	fmt.Println("Test C")56}57import (58func TestMain(m *testing.M) {

TestMain

Using AI Code Generation

1import (2var (3func init() {4	flag.IntVar(&flagValue, "flagValue", 0, "flag value")5}6func TestMain(m *testing.M) {7	flag.Parse()8	fmt.Println("TestMain flagValue:", flagValue)9	os.Exit(m.Run())10}11func TestFlagValue(t *testing.T) {12	fmt.Println("TestFlagValue flagValue:", flagValue)13}14--- PASS: TestMain (0.00s)15--- PASS: TestFlagValue (0.00s)

TestMain

Using AI Code Generation

1import (2var (3	flagTest = flag.Bool("test", false, "Run tests")4func main() {5	flag.Parse()6	if *flagTest {7		os.Exit(testMain())8	}9	fmt.Println("Hello World")10}11func testMain() int {12	testCases := []struct {13		fn   func(*testing.T)14	}{15		{"Test1", Test1},16		{"Test2", Test2},17	}18	for _, tc := range testCases {19		t := &testing.T{}20		t.Run(tc.name, tc.fn)21		if t.Failed() {22		}23	}24}25func Test1(t *testing.T) {26	fmt.Println("Test1")27}28func Test2(t *testing.T) {29	fmt.Println("Test2")30}

TestMain

Using AI Code Generation

1import (2var (3	runTestCases = flag.Bool("test", false, "Run test cases")4func main() {5	flag.Parse()6	if *runTestCases {7		os.Exit(testMain())8	}9	fmt.Println("This is a main method")10}11func testMain() int {12	fmt.Println("Running test cases")13}14import (15var (16	runTestCases = flag.Bool("test", false, "Run test cases")17func main() {18	flag.Parse()19	if *runTestCases {20		fmt.Println("Running test cases")21	} else {22		fmt.Println("This is a main method")23	}24}25import (26func main() {27	if os.Getenv("RUN_TEST") == "true" {28		fmt.Println("Running test cases")29	} else {30		fmt.Println("This is a main method")31	}32}33import (34func main() {35	fmt.Println("This is a main method")36}37import (38func TestMain(m *testing.M) {39	fmt.Println("Running test cases")40}41import (42func main() {43	fmt.Println("This is a main method")44}45import (46func init() {47	fmt.Println("Running test cases")48}

TestMain

Using AI Code Generation

1func main() {2    test.TestMain()3}4func TestMain() {5    fmt.Println("TestMain")6}7func main() {8    test.TestMain()9}10func TestMain() {11    fmt.Println("TestMain")12}13func main() {14    test.TestMain()15}16func TestMain() {17    fmt.Println("TestMain")18}19func main() {20    test.TestMain()21}22func TestMain() {23    fmt.Println("TestMain")24}25func main() {26    test.TestMain()27}28func TestMain() {29    fmt.Println("TestMain")30}31func main() {32    test.TestMain()33}34func TestMain() {35    fmt.Println("TestMain")36}37func main() {38    test.TestMain()39}40func TestMain() {41    fmt.Println("TestMain")42}43func main() {44    test.TestMain()45}46func TestMain() {47    fmt.Println("TestMain")48}

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