package common import ( fmt "fmt" "testing" "github.com/stretchr/testify/assert" ) func TestErrorPanic(t *testing.T) { type pnk struct { msg string } capturePanic := func() (err Error) { defer func() { if r := recover(); r != nil { err = ErrorWrap(r, "This is the message in ErrorWrap(r, message).") } }() panic(pnk{"something"}) } var err = capturePanic() assert.Equal(t, pnk{"something"}, err.Data()) assert.Equal(t, "Error{{something}}", fmt.Sprintf("%v", err)) assert.Contains(t, fmt.Sprintf("%#v", err), "This is the message in ErrorWrap(r, message).") assert.Contains(t, fmt.Sprintf("%#v", err), "Stack Trace:\n 0") } func TestErrorWrapSomething(t *testing.T) { var err = ErrorWrap("something", "formatter%v%v", 0, 1) assert.Equal(t, "something", err.Data()) assert.Equal(t, "Error{something}", fmt.Sprintf("%v", err)) assert.Regexp(t, `formatter01\n`, fmt.Sprintf("%#v", err)) assert.Contains(t, fmt.Sprintf("%#v", err), "Stack Trace:\n 0") } func TestErrorWrapNothing(t *testing.T) { var err = ErrorWrap(nil, "formatter%v%v", 0, 1) assert.Equal(t, FmtError{"formatter%v%v", []interface{}{0, 1}}, err.Data()) assert.Equal(t, "Error{formatter01}", fmt.Sprintf("%v", err)) assert.Contains(t, fmt.Sprintf("%#v", err), `Data: common.FmtError{format:"formatter%v%v", args:[]interface {}{0, 1}}`) assert.Contains(t, fmt.Sprintf("%#v", err), "Stack Trace:\n 0") } func TestErrorNewError(t *testing.T) { var err = NewError("formatter%v%v", 0, 1) assert.Equal(t, FmtError{"formatter%v%v", []interface{}{0, 1}}, err.Data()) assert.Equal(t, "Error{formatter01}", fmt.Sprintf("%v", err)) assert.Contains(t, fmt.Sprintf("%#v", err), `Data: common.FmtError{format:"formatter%v%v", args:[]interface {}{0, 1}}`) assert.NotContains(t, fmt.Sprintf("%#v", err), "Stack Trace") } func TestErrorNewErrorWithStacktrace(t *testing.T) { var err = NewError("formatter%v%v", 0, 1).Stacktrace() assert.Equal(t, FmtError{"formatter%v%v", []interface{}{0, 1}}, err.Data()) assert.Equal(t, "Error{formatter01}", fmt.Sprintf("%v", err)) assert.Contains(t, fmt.Sprintf("%#v", err), `Data: common.FmtError{format:"formatter%v%v", args:[]interface {}{0, 1}}`) assert.Contains(t, fmt.Sprintf("%#v", err), "Stack Trace:\n 0") } func TestErrorNewErrorWithTrace(t *testing.T) { var err = NewError("formatter%v%v", 0, 1) err.Trace(0, "trace %v", 1) err.Trace(0, "trace %v", 2) err.Trace(0, "trace %v", 3) assert.Equal(t, FmtError{"formatter%v%v", []interface{}{0, 1}}, err.Data()) assert.Equal(t, "Error{formatter01}", fmt.Sprintf("%v", err)) assert.Contains(t, fmt.Sprintf("%#v", err), `Data: common.FmtError{format:"formatter%v%v", args:[]interface {}{0, 1}}`) dump := fmt.Sprintf("%#v", err) assert.NotContains(t, dump, "Stack Trace") assert.Regexp(t, `common/errors_test\.go:[0-9]+ - trace 1`, dump) assert.Regexp(t, `common/errors_test\.go:[0-9]+ - trace 2`, dump) assert.Regexp(t, `common/errors_test\.go:[0-9]+ - trace 3`, dump) } func TestErrorWrapError(t *testing.T) { var err1 error = NewError("my message") var err2 error = ErrorWrap(err1, "another message") assert.Equal(t, err1, err2) }