Create test file and write test fucn and shuffling random func

Cards/deck.go

@@ -2,12 +2,15 @@ package main
 
 import (
 	"fmt"
+	"math/rand"
 	"os"
 	"strings"
+	"time"
 )
 
 // Define a type
 type Person []string
+type ResultNuber []int64
 
 // Method with a value receiver
 func (p Person) PrintPerson() {
@@ -23,8 +26,8 @@ func (p Person) PrintPerson() {
 func NewDeckFunc() Person {
 	Cards := Person{}
 
-	cardsSuits := []string{"Pankaj", "suri", "Arjun", "Meena"}
-	cardsSet := []string{"Jaipur", "Bundi", "New Delhi", "Roorkee"}
+	cardsSuits := []string{"Pankaj", "suri"}
+	cardsSet := []string{"Jaipur", "Bundi"}
 
 	for _, suits := range cardsSuits {
 		for _, setsValue := range cardsSet {
@@ -67,3 +70,38 @@ func ReadStringFile(fileName string) Person {
 	return Person(s)
 
 }
+
+// shuffiing fucntion
+func (p Person) shuffiingFunc() {
+	for i := range p {
+		newPostion := rand.Intn(len(p) - 1)
+		p[i], p[newPostion] = p[newPostion], p[i]
+	}
+}
+
+// random nuber genrate
+
+func (p Person) randomGenrateFunc() {
+	newRandom := rand.NewSource(time.Now().UnixNano())
+	r := rand.New(newRandom)
+	fmt.Println(r)
+
+	for i := range p {
+		newPostion := r.Intn(len(p) - 1)
+		p[i], p[newPostion] = p[newPostion], p[i]
+	}
+
+}
+
+func (r ResultNuber) checkEvenOrOddNuber() []string {
+	var result []string
+	for _, num := range r {
+		if num%2 == 0 {
+			result = append(result, fmt.Sprintf("%d is even", num))
+		} else {
+			result = append(result, fmt.Sprintf("%d is odd", num))
+		}
+	}
+
+	return result
+}

Cards/deck_test.go

@@ -0,0 +1,66 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"testing"
+)
+
+func TestDeckFileNewDeckFunction(t *testing.T) {
+
+	d := NewDeckFunc()
+
+	if len(d) != 4 {
+		t.Errorf("Expected length 4, but got %d", len(d))
+	}
+
+	if d[0] != "Pankaj of  Jaipur" {
+		t.Errorf("Expected d[0] value is Pankaj , But got %s ", d[0])
+	}
+}
+
+func TestNewDecFileCreateChec(t *testing.T) {
+	os.Remove("_DeckFile")
+
+	deck := NewDeckFunc()
+	deck.SavedFile("_DeckFile")
+	loadDeckFile := ReadStringFile("_DeckFile")
+
+	if len(loadDeckFile) != 13 {
+		t.Errorf("Expectd File Length 13 but Expected %v", len(loadDeckFile))
+	}
+
+	os.Remove("_DeckFile")
+
+}
+
+// check even and odd nuber
+func TestCheckEvenOrOddNumber(t *testing.T) {
+	tests := []struct {
+		input  ResultNuber
+		output []string
+	}{
+		{
+			input:  ResultNuber{2, 7, 4, 9, 6},
+			output: []string{"2 is even", "7 is odd", "4 is even", "9 is odd", "6 is even"},
+		},
+		// Add more test cases as needed
+	}
+
+	for _, test := range tests {
+		t.Run(fmt.Sprintf("Input: %v", test.input), func(t *testing.T) {
+			result := test.input.checkEvenOrOddNuber()
+
+			if len(result) != len(test.output) {
+				t.Errorf("Expected %d messages, but got %d", len(test.output), len(result))
+				return
+			}
+
+			for i, expectedMessage := range test.output {
+				if result[i] != expectedMessage {
+					t.Errorf("Expected: %s, Got: %s", expectedMessage, result[i])
+				}
+			}
+		})
+	}
+}

Cards/go.mod

@@ -0,0 +1,3 @@
+module cards
+
+go 1.21.6

Cards/main.go

@@ -89,4 +89,22 @@ func main() {
 
 	fmt.Println("Read File Value ==>>", readFile)
 
+	// shuffling name
+
+	resultShuffling := NewDeckFunc()
+	resultShuffling.shuffiingFunc()
+	resultShuffling.PrintPerson()
+
+	// return random nuber
+	resultShuffling.randomGenrateFunc()
+	resultShuffling.PrintPerson()
+
+	// check slice nuber even or odd
+
+	numbers := ResultNuber{2, 7, 4, 9, 6}
+	messages := numbers.checkEvenOrOddNuber()
+
+	for _, message := range messages {
+		fmt.Println(message)
+	}
 }

Cards/pankaj.txt

@@ -1 +1 @@
-Pankaj of  Jaipur,Pankaj of  Bundi,Pankaj of  New Delhi,Pankaj of  Roorkee,suri of  Jaipur,suri of  Bundi,suri of  New Delhi,suri of  Roorkee,Arjun of  Jaipur,Arjun of  Bundi,Arjun of  New Delhi,Arjun of  Roorkee,Meena of  Jaipur,Meena of  Bundi,Meena of  New Delhi,Meena of  Roorkee
+Pankaj of  Jaipur,Pankaj of  Bundi,suri of  Jaipur,suri of  Bundi