feat: add IsPingConnected and IsTelnetConnected

netutil/net_test.go

@@ -98,7 +98,7 @@ func TestGetMacAddrs(t *testing.T) {
 }
 
 func TestEncodeUrl(t *testing.T) {
-	assert := internal.NewAssert(t, "TestIsInternalIP")
+	assert := internal.NewAssert(t, "TestEncodeUrl")
 
 	urlAddr := "http://www.lancet.com?a=1&b=[2]"
 	encodedUrl, err := EncodeUrl(urlAddr)
@@ -109,3 +109,23 @@ func TestEncodeUrl(t *testing.T) {
 	expected := "http://www.lancet.com?a=1&b=%5B2%5D"
 	assert.Equal(expected, encodedUrl)
 }
+
+func TestIsPingConnected(t *testing.T) {
+	assert := internal.NewAssert(t, "TestIsPingConnected")
+
+	result1 := IsPingConnected("www.baidu.com")
+	assert.Equal(true, result1)
+
+	result2 := IsPingConnected("www.!@#&&&.com")
+	assert.Equal(false, result2)
+}
+
+func TestTelnetConnected(t *testing.T) {
+	assert := internal.NewAssert(t, "TestTelnetConnected")
+
+	result1 := IsTelnetConnected("www.baidu.com", "80")
+	assert.Equal(true, result1)
+
+	result2 := IsTelnetConnected("www.baidu.com", "123")
+	assert.Equal(false, result2)
+}