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How to use FindGoModDir method of trace Package

Best Go-testdeep code snippet using trace.FindGoModDir

trace_test.go

Source:trace_test.go

...25	test.IsTrue(t, trace.IsIgnoredPackage(ourPkg))26	test.IsFalse(t, trace.IgnorePackage(300))27	test.IsFalse(t, trace.UnignorePackage(300))28}29func TestFindGoModDir(t *testing.T) {30	tmp, err := os.MkdirTemp("", "go-testdeep")31	if err != nil {32		t.Fatalf("TempDir() failed: %s", err)33	}34	final := filepath.Join(tmp, "a", "b", "c", "d", "e")35	err = os.MkdirAll(final, 0755)36	if err != nil {37		t.Fatalf("MkdirAll(%s) failed: %s", final, err)38	}39	defer os.RemoveAll(tmp)40	test.EqualStr(t, trace.FindGoModDir(final), "")41	t.Run("/tmp/.../a/b/c/go.mod", func(t *testing.T) {42		goMod := filepath.Join(tmp, "a", "b", "c", "go.mod")43		err := os.WriteFile(goMod, nil, 0644)44		if err != nil {45			t.Fatalf("WriteFile(%s) failed: %s", goMod, err)46		}47		defer os.Remove(goMod)48		test.EqualStr(t,49			trace.FindGoModDir(final),50			filepath.Join(tmp, "a", "b", "c")+string(filepath.Separator),51		)52	})53	t.Run("/tmp/go.mod", func(t *testing.T) {54		goMod := filepath.Join(os.TempDir(), "go.mod")55		if _, err := os.Stat(goMod); err != nil {56			if !os.IsNotExist(err) {57				t.Fatalf("Stat(%s) failed: %s", goMod, err)58			}59			err := os.WriteFile(goMod, nil, 0644)60			if err != nil {61				t.Fatalf("WriteFile(%s) failed: %s", goMod, err)62			}63			defer os.Remove(goMod)64		}65		test.EqualStr(t, trace.FindGoModDir(final), "")66	})67}68func TestFindGoModDirLinks(t *testing.T) {69	tmp, err := os.MkdirTemp("", "go-testdeep")70	if err != nil {71		t.Fatalf("TempDir() failed: %s", err)72	}73	goModDir := filepath.Join(tmp, "a", "b", "c")74	truePath := filepath.Join(goModDir, "d", "e")75	linkPath := filepath.Join(tmp, "a", "b", "e")76	err = os.MkdirAll(truePath, 0755)77	if err != nil {78		t.Fatalf("MkdirAll(%s) failed: %s", truePath, err)79	}80	defer os.RemoveAll(tmp)81	err = os.Symlink(truePath, linkPath)82	if err != nil {83		t.Fatalf("Symlink(%s, %s) failed: %s", truePath, linkPath, err)84	}85	goMod := filepath.Join(goModDir, "go.mod")86	err = os.WriteFile(goMod, nil, 0644)87	if err != nil {88		t.Fatalf("WriteFile(%s) failed: %s", goMod, err)89	}90	defer os.Remove(goMod)91	goModDir += string(filepath.Separator)92	// Simple FindGoModDir93	test.EqualStr(t, trace.FindGoModDir(truePath), goModDir)94	test.EqualStr(t, trace.FindGoModDir(linkPath), "") // not found95	// FindGoModDirLinks96	test.EqualStr(t, trace.FindGoModDirLinks(truePath), goModDir)97	test.EqualStr(t, trace.FindGoModDirLinks(linkPath), goModDir)98	test.EqualStr(t, trace.FindGoModDirLinks(tmp), "")99}100func TestSplitPackageFunc(t *testing.T) {101	pkg, fn := trace.SplitPackageFunc("testing.Fatal")102	test.EqualStr(t, pkg, "testing")103	test.EqualStr(t, fn, "Fatal")104	pkg, fn = trace.SplitPackageFunc("github.com/maxatome/go-testdeep/td.Cmp")105	test.EqualStr(t, pkg, "github.com/maxatome/go-testdeep/td")106	test.EqualStr(t, fn, "Cmp")107	pkg, fn = trace.SplitPackageFunc("foo/bar/test.(*T).Cmp")108	test.EqualStr(t, pkg, "foo/bar/test")109	test.EqualStr(t, fn, "(*T).Cmp")110	pkg, fn = trace.SplitPackageFunc("foo/bar/test.(*X).c.func1")111	test.EqualStr(t, pkg, "foo/bar/test")112	test.EqualStr(t, fn, "(*X).c.func1")...

trace.go

Source:trace.go

...55func IsIgnoredPackage(pkg string) (ok bool) {56	_, ok = ignorePkg[pkg]57	return58}59// FindGoModDir finds the closest directory containing go.mod file60// starting from directory in.61func FindGoModDir(in string) string {62	for {63		_, err := os.Stat(filepath.Join(in, "go.mod"))64		if err == nil {65			// Do not accept /tmp/go.mod66			if in != os.TempDir() {67				return in + string(filepath.Separator)68			}69			return ""70		}71		nd := filepath.Dir(in)72		if nd == in {73			return ""74		}75		in = nd76	}77}78// FindGoModDirLinks finds the closest directory containing go.mod79// file starting from directory in after cleaning it. If not found,80// expands symlinks and re-searches.81func FindGoModDirLinks(in string) string {82	in = filepath.Clean(in)83	if gm := FindGoModDir(in); gm != "" {84		return gm85	}86	lin, err := filepath.EvalSymlinks(in)87	if err == nil && lin != in {88		return FindGoModDir(lin)89	}90	return ""91}92// Reset resets the ignored packages map plus cached mod and GOPATH93// directories ([Init] should be called again). Only intended to be94// used in go-testdeep internal tests.95func Reset() {96	ignorePkg = map[string]struct{}{}97	goPaths = nil98	goModDir = ""99}100// Init initializes trace global variables.101func Init() {102	// GOPATH directories103	goPaths = nil104	for _, dir := range filepath.SplitList(build.Default.GOPATH) {105		dir = filepath.Clean(dir)106		goPaths = append(goPaths,107			filepath.Join(dir, "pkg", "mod")+string(filepath.Separator),108			filepath.Join(dir, "src")+string(filepath.Separator),109		)110	}111	if wd, err := os.Getwd(); err == nil {112		// go.mod directory113		goModDir = FindGoModDirLinks(wd)114	}115}116// Frames is the interface corresponding to type returned by117// [runtime.CallersFrames]. See [CallersFrames] variable.118type Frames interface {119	Next() (frame runtime.Frame, more bool)120}121// CallersFrames is only intended to be used in go-testdeep internal122// tests to cover all cases.123var CallersFrames = func(callers []uintptr) Frames {124	return runtime.CallersFrames(callers)125}126// Retrieve retrieves a trace and returns it.127func Retrieve(skip int, endFunction string) Stack {...

FindGoModDir

Using AI Code Generation

1import (2func main() {3        dir, err := FindGoModDir()4        if err != nil {5                fmt.Println(err)6                os.Exit(1)7        }8        fmt.Println(dir)9}10func FindGoModDir() (string, error) {11        dir, err := os.Getwd()12        if err != nil {13        }14        for {15                if _, err := os.Stat(filepath.Join(dir, "go.mod")); err == nil {16                }17                parent := filepath.Dir(dir)18                if parent == dir {19                        return "", fmt.Errorf("failed to find go.mod in any parent directory")20                }21        }22}23import (24func main() {25        dir, err := FindGoModDir()26        if err != nil {27                fmt.Println(err)28                os.Exit(1)29        }30        fmt.Println(dir)31}32func FindGoModDir() (string, error) {33        dir, err := os.Getwd()34        if err != nil {35        }36        for {37                if _, err := os.Stat(filepath.Join(dir, "go.mod")); err == nil {38                }39                parent := filepath.Dir(dir)40                if parent == dir {41                        return "", fmt.Errorf("failed to find go.mod in any parent directory")42                }43        }44}45import (46func main() {47        dir, err := FindGoModDir()48        if err != nil {49                fmt.Println(err)50                os.Exit(1)51        }52        fmt.Println(dir)53}

FindGoModDir

Using AI Code Generation

1import (2func main() {3	fmt.Println(trace.FindGoModDir())4}5import (6type Trace struct{}7func FindGoModDir() string {8	wd, _ := os.Getwd()9	return findGoModDir(wd)10}11func findGoModDir(dir string) string {12	if dir == "/" {13	}14	if _, err := os.Stat(filepath.Join(dir, "go.mod")); err == nil {15	}16	return findGoModDir(filepath.Dir(dir))17}18import (19func TestFindGoModDir(t *testing.T) {20	assert.Equal(t, "/Users/username/go/src/github.com/trace", FindGoModDir())21}

FindGoModDir

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("Hello, playground")4    trace := trace.NewTrace()5    trace.FindGoModDir()6}7import (8type Trace struct {9}10func NewTrace() *Trace {11	return &Trace{}12}13func (t *Trace) FindGoModDir() {14	dir, err := os.Getwd()15	if err != nil {16		fmt.Println("Error getting current directory")17	}18	fmt.Println("Current directory is: ", dir)19	goModDir := filepath.Dir(dir)20	fmt.Println("Go mod directory is: ", goModDir)21}

FindGoModDir

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello, playground")4	modDir, err := trace.FindGoModDir()5	if err != nil {6		fmt.Println(err)7	}8	fmt.Println(modDir)9}10import (11func main() {12	fmt.Println("Hello, playground")13	modDir, err := trace.FindGoModDir()14	if err != nil {15		fmt.Println(err)16	}17	fmt.Println(modDir)18}19import (20func main() {21	fmt.Println("Hello, playground")22	modDir, err := trace.FindGoModDir()23	if err != nil {24		fmt.Println(err)25	}26	fmt.Println(modDir)27}28import (29func main() {30	fmt.Println("Hello, playground")31	modDir, err := trace.FindGoModDir()32	if err != nil {33		fmt.Println(err)34	}35	fmt.Println(modDir)36}37import (38func main() {39	fmt.Println("Hello, playground")40	modDir, err := trace.FindGoModDir()

FindGoModDir

Using AI Code Generation

1import (2func main() {3 fmt.Println(trace.FindGoModDir())4}5import (6func main() {7 fmt.Println(trace.FindGoModDir())8}

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