feat: Alias spew.Dump and so on (#230)

* feat: Alias `spew.Dump` and so on

* tests: Optimize test

support/debug/dump.go

@@ -0,0 +1,25 @@
+package debug
+
+import (
+	"io"
+
+	"github.com/davecgh/go-spew/spew"
+)
+
+// Dump is used to display detailed information about variables
+// And this is a wrapper around spew.Dump.
+func Dump(v ...interface{}) {
+	spew.Dump(v...)
+}
+
+// FDump is used to display detailed information about variables to the specified io.Writer
+// And this is a wrapper around spew.Fdump.
+func FDump(w io.Writer, v ...interface{}) {
+	spew.Fdump(w, v...)
+}
+
+// SDump is used to display detailed information about variables as a string,
+// And this is a wrapper around spew.Sdump.
+func SDump(v ...interface{}) string {
+	return spew.Sdump(v...)
+}

support/debug/dump_test.go

@@ -0,0 +1,49 @@
+package debug
+
+import (
+	"bytes"
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func redirectStdout(fn func()) ([]byte, error) {
+	f, err := os.CreateTemp("", "stdout")
+	if err != nil {
+		return nil, err
+	}
+	defer os.Remove(f.Name())
+	defer f.Close()
+
+	orig := os.Stdout
+	os.Stdout = f
+	fn()
+	os.Stdout = orig
+
+	return os.ReadFile(f.Name())
+}
+
+func TestDump(t *testing.T) {
+	buf, err := redirectStdout(func() {
+		Dump("foo")
+	})
+	assert.NoError(t, err)
+	assert.Equal(t, `(string) (len=3) "foo"
+`, string(buf))
+}
+
+func TestFDump(t *testing.T) {
+	var buf bytes.Buffer
+	w := &buf
+
+	FDump(w, "foo")
+
+	assert.Equal(t, `(string) (len=3) "foo"
+`, buf.String())
+}
+
+func TestSDump(t *testing.T) {
+	assert.Equal(t, `(string) (len=3) "foo"
+`, SDump("foo"))
+}