From 55bd1a46641e86170b6dfd7d1143fc6dec1f16f7 Mon Sep 17 00:00:00 2001
From: Pankaj Kumar Meena <pankajkmeena12@gmail.com>
Date: Thu, 1 Feb 2024 12:59:21 +0530
Subject: [PATCH] Create test file and write test fucn and shuffling random
 func

---
 Cards/deck.go      | 42 +++++++++++++++++++++++++++--
 Cards/deck_test.go | 66 ++++++++++++++++++++++++++++++++++++++++++++++
 Cards/go.mod       |  3 +++
 Cards/main.go      | 18 +++++++++++++
 Cards/pankaj.txt   |  2 +-
 5 files changed, 128 insertions(+), 3 deletions(-)
 create mode 100644 Cards/deck_test.go
 create mode 100644 Cards/go.mod

diff --git a/Cards/deck.go b/Cards/deck.go
index a15f86e..fed0cb9 100644
--- a/Cards/deck.go
+++ b/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
+}
diff --git a/Cards/deck_test.go b/Cards/deck_test.go
new file mode 100644
index 0000000..d86f99d
--- /dev/null
+++ b/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])
+				}
+			}
+		})
+	}
+}
diff --git a/Cards/go.mod b/Cards/go.mod
new file mode 100644
index 0000000..13f3798
--- /dev/null
+++ b/Cards/go.mod
@@ -0,0 +1,3 @@
+module cards
+
+go 1.21.6
diff --git a/Cards/main.go b/Cards/main.go
index a4ab461..352c218 100644
--- a/Cards/main.go
+++ b/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)
+	}
 }
diff --git a/Cards/pankaj.txt b/Cards/pankaj.txt
index afc6985..d15ef38 100644
--- a/Cards/pankaj.txt
+++ b/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
\ No newline at end of file
+Pankaj of  Jaipur,Pankaj of  Bundi,suri of  Jaipur,suri of  Bundi
\ No newline at end of file