diff --git a/ballot/GetCandidatesVote_152da079ca_test.go b/ballot/GetCandidatesVote_152da079ca_test.go
new file mode 100644
index 0000000..8335762
--- /dev/null
+++ b/ballot/GetCandidatesVote_152da079ca_test.go
@@ -0,0 +1,49 @@
+package main
+
+import (
+	"sync"
+	"testing"
+)
+
+var once sync.Once
+var candidateVotesStore map[string]int
+
+func getCandidatesVote() map[string]int {
+	once.Do(func() {
+		candidateVotesStore = make(map[string]int)
+	})
+	return candidateVotesStore
+}
+
+func TestGetCandidatesVote_152da079ca(t *testing.T) {
+	// Test case 1: Check if the function returns a non-nil map
+	votes := getCandidatesVote()
+	if votes == nil {
+		t.Error("Expected a non-nil map, got nil")
+	}
+
+	// Test case 2: Check if the function returns an empty map on first call
+	if len(votes) != 0 {
+		t.Errorf("Expected an empty map, got a map with size: %d", len(votes))
+	}
+
+	// Test case 3: Check if the function returns the same map on subsequent calls
+	candidateVotesStore["John"] = 10
+	votes = getCandidatesVote()
+	if len(votes) != 1 {
+		t.Errorf("Expected a map with size: 1, got a map with size: %d", len(votes))
+	}
+	if votes["John"] != 10 {
+		t.Errorf("Expected John to have 10 votes, got: %d", votes["John"])
+	}
+
+	// Test case 4: Check if the function returns the updated map
+	candidateVotesStore["Jane"] = 20
+	votes = getCandidatesVote()
+	if len(votes) != 2 {
+		t.Errorf("Expected a map with size: 2, got a map with size: %d", len(votes))
+	}
+	if votes["Jane"] != 20 {
+		t.Errorf("Expected Jane to have 20 votes, got: %d", votes["Jane"])
+	}
+}
diff --git a/ballot/HttpClientRequest_8fc45b1eff_test.go b/ballot/HttpClientRequest_8fc45b1eff_test.go
new file mode 100644
index 0000000..d2ef3f0
--- /dev/null
+++ b/ballot/HttpClientRequest_8fc45b1eff_test.go
@@ -0,0 +1,76 @@
+// Test generated by RoostGPT for test zb-test using AI Type Open AI and AI Model gpt-4
+
+package main
+
+import (
+	"bytes"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+)
+
+func TestBallot(t *testing.T) {
+	t.Run("test with valid request", func(t *testing.T) {
+		server := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
+			rw.WriteHeader(http.StatusOK)
+		}))
+		defer server.Close()
+
+		status, _, err := httpClientRequest("GET", server.URL, "/test", nil)
+		if err != nil {
+			t.Errorf("Error should be nil, got '%v'", err)
+		}
+		if status != http.StatusOK {
+			t.Errorf("Expected status 200, got %v", status)
+		}
+	})
+
+	t.Run("test with invalid request", func(t *testing.T) {
+		server := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
+			rw.WriteHeader(http.StatusBadRequest)
+		}))
+		defer server.Close()
+
+		status, _, err := httpClientRequest("GET", server.URL, "/test", nil)
+		if err == nil {
+			t.Errorf("Error should not be nil")
+		}
+		if status != http.StatusBadRequest {
+			t.Errorf("Expected status 400, got %v", status)
+		}
+	})
+
+	t.Run("test with non-existing server", func(t *testing.T) {
+		_, _, err := httpClientRequest("GET", "http://non-existing-url", "/test", nil)
+		if err == nil {
+			t.Errorf("Error should not be nil")
+		}
+	})
+
+	t.Run("test with invalid operation", func(t *testing.T) {
+		server := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
+			rw.WriteHeader(http.StatusOK)
+		}))
+		defer server.Close()
+
+		_, _, err := httpClientRequest("INVALID", server.URL, "/test", nil)
+		if err == nil {
+			t.Errorf("Error should not be nil")
+		}
+	})
+
+	t.Run("test with valid post request", func(t *testing.T) {
+		server := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
+			rw.WriteHeader(http.StatusOK)
+		}))
+		defer server.Close()
+
+		status, _, err := httpClientRequest("POST", server.URL, "/test", bytes.NewBuffer([]byte(`{"key": "value"}`)))
+		if err != nil {
+			t.Errorf("Error should be nil, got '%v'", err)
+		}
+		if status != http.StatusOK {
+			t.Errorf("Expected status 200, got %v", status)
+		}
+	})
+}
diff --git a/ballot/RunTest_13039fcb01_test.go b/ballot/RunTest_13039fcb01_test.go
new file mode 100644
index 0000000..d663616
--- /dev/null
+++ b/ballot/RunTest_13039fcb01_test.go
@@ -0,0 +1,72 @@
+// Test generated by RoostGPT for test zb-test using AI Type Open AI and AI Model gpt-4
+
+package main
+
+import (
+	"fmt"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+)
+
+type Status struct {
+	Code    int
+	Message string
+}
+
+var TestBallot func() error
+
+func runTest(w http.ResponseWriter, r *http.Request) {
+	err := TestBallot()
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+	w.WriteHeader(http.StatusOK)
+}
+
+func TestRunTest_13039fcb01(t *testing.T) {
+	t.Run("test with successful ballot", func(t *testing.T) {
+		req, err := http.NewRequest("GET", "/test", nil)
+		if err != nil {
+			t.Fatalf("Could not create request: %v", err)
+		}
+		rec := httptest.NewRecorder()
+		handler := http.HandlerFunc(runTest)
+
+		TestBallot = func() error {
+			return nil
+		}
+
+		handler.ServeHTTP(rec, req)
+
+		result := rec.Result()
+		defer result.Body.Close()
+
+		if result.StatusCode != http.StatusOK {
+			t.Errorf("Expected status OK; got %v", result.StatusCode)
+		}
+	})
+
+	t.Run("test with failing ballot", func(t *testing.T) {
+		req, err := http.NewRequest("GET", "/test", nil)
+		if err != nil {
+			t.Fatalf("Could not create request: %v", err)
+		}
+		rec := httptest.NewRecorder()
+		handler := http.HandlerFunc(runTest)
+
+		TestBallot = func() error {
+			return fmt.Errorf("ballot test failed")
+		}
+
+		handler.ServeHTTP(rec, req)
+
+		result := rec.Result()
+		defer result.Body.Close()
+
+		if result.StatusCode != http.StatusBadRequest {
+			t.Errorf("Expected status Bad Request; got %v", result.StatusCode)
+		}
+	})
+}
diff --git a/ballot/SaveVote_3a682778fa_test.go b/ballot/SaveVote_3a682778fa_test.go
new file mode 100644
index 0000000..34c66e0
--- /dev/null
+++ b/ballot/SaveVote_3a682778fa_test.go
@@ -0,0 +1,53 @@
+package main
+
+import (
+	"testing"
+)
+
+type Vote struct {
+	CandidateID string
+}
+
+var candidateVotesStore map[string]int
+
+func getCandidatesVote() map[string]int {
+	if candidateVotesStore == nil {
+		candidateVotesStore = make(map[string]int)
+	}
+	return candidateVotesStore
+}
+
+func saveVote(vote Vote) error {
+	candidateVotesStore = getCandidatesVote()
+	candidateVotesStore[vote.CandidateID]++
+	return nil
+}
+
+func TestSaveVote_3a682778fa(t *testing.T) {
+	// Test case 1: Single vote for a candidate
+	vote := Vote{CandidateID: "candidate1"}
+	err := saveVote(vote)
+	if err != nil {
+		t.Error("Failed to save vote", err)
+	}
+	if candidateVotesStore["candidate1"] != 1 {
+		t.Error("Vote count mismatch. Expected 1, got ", candidateVotesStore["candidate1"])
+	}
+
+	// Test case 2: Multiple votes for a candidate
+	vote = Vote{CandidateID: "candidate2"}
+	for i := 0; i < 5; i++ {
+		err = saveVote(vote)
+		if err != nil {
+			t.Error("Failed to save vote", err)
+		}
+	}
+	if candidateVotesStore["candidate2"] != 5 {
+		t.Error("Vote count mismatch. Expected 5, got ", candidateVotesStore["candidate2"])
+	}
+
+	// Test case 3: No vote for a candidate
+	if candidateVotesStore["candidate3"] != 0 {
+		t.Error("Vote count mismatch. Expected 0, got ", candidateVotesStore["candidate3"])
+	}
+}
diff --git a/ballot/ServeRoot_e6109c0b6f_test.go b/ballot/ServeRoot_e6109c0b6f_test.go
new file mode 100644
index 0000000..b40c3a2
--- /dev/null
+++ b/ballot/ServeRoot_e6109c0b6f_test.go
@@ -0,0 +1,44 @@
+// Test generated by RoostGPT for test zb-test using AI Type Open AI and AI Model gpt-4
+
+package main
+
+import (
+	"bytes"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+)
+
+type test struct {
+	method string
+	body   string
+	want   int
+}
+
+func TestServeRoot(t *testing.T) {
+	tests := []test{
+		{method: "GET", want: http.StatusOK},
+		{method: "POST", body: `{"VoterID":"voter1","CandidateID":"candidate1"}`, want: http.StatusCreated},
+		{method: "POST", body: `{"VoterID":"voter1"}`, want: http.StatusBadRequest},
+		{method: "PUT", want: http.StatusMethodNotAllowed},
+	}
+
+	for _, tc := range tests {
+		req, err := http.NewRequest(tc.method, "/", strings.NewReader(tc.body))
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		rr := httptest.NewRecorder()
+		handler := http.HandlerFunc(serveRoot)
+
+		handler.ServeHTTP(rr, req)
+
+		if status := rr.Code; status != tc.want {
+			t.Errorf("handler returned wrong status code: got %v want %v",
+				status, tc.want)
+		}
+	}
+}
diff --git a/ballot/TestBallot_90aa96f4bb_test.go b/ballot/TestBallot_90aa96f4bb_test.go
new file mode 100644
index 0000000..950055c
--- /dev/null
+++ b/ballot/TestBallot_90aa96f4bb_test.go
@@ -0,0 +1,68 @@
+package main
+
+import (
+	"bytes"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"log"
+	"math/rand"
+	"net"
+	"net/http"
+	"testing"
+)
+
+type Response struct {
+	TotalVotes int
+}
+
+type Vote struct {
+	CandidateID string
+	VoterID     string
+}
+
+type Status struct {
+	Code int
+}
+
+var httpClientRequest func(method, url string, body io.Reader) (*http.Response, []byte, error)
+
+func TestBallot() error {
+	// Implementation here
+	return nil
+}
+
+func TestTestBallot_90aa96f4bb(t *testing.T) {
+	// Mocking httpClientRequest function.
+	httpClientRequest = func(method, url string, body io.Reader) (*http.Response, []byte, error) {
+		if method == http.MethodGet {
+			resp := &Response{TotalVotes: 5}
+			b, _ := json.Marshal(resp)
+			return &http.Response{StatusCode: http.StatusOK, Body: ioutil.NopCloser(bytes.NewReader(b))}, b, nil
+		} else if method == http.MethodPost {
+			resp := &Status{Code: 201}
+			b, _ := json.Marshal(resp)
+			return &http.Response{StatusCode: http.StatusOK, Body: ioutil.NopCloser(bytes.NewReader(b))}, b, nil
+		}
+		return nil, nil, errors.New("method not supported")
+	}
+
+	// Testing successful scenario.
+	err := TestBallot()
+	if err != nil {
+		t.Error("Expected nil, got ", err)
+	}
+
+	// Mocking httpClientRequest function to simulate failure scenario.
+	httpClientRequest = func(method, url string, body io.Reader) (*http.Response, []byte, error) {
+		return nil, nil, errors.New("network error")
+	}
+
+	// Testing failure scenario.
+	err = TestBallot()
+	if err == nil {
+		t.Error("Expected error, got nil")
+	}
+}
diff --git a/ballot/WriteVoterResponse_11f1d592d2_test.go b/ballot/WriteVoterResponse_11f1d592d2_test.go
new file mode 100644
index 0000000..94ec74e
--- /dev/null
+++ b/ballot/WriteVoterResponse_11f1d592d2_test.go
@@ -0,0 +1,71 @@
+package main
+
+import (
+	"bytes"
+	"encoding/json"
+	"log"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+)
+
+type Status struct {
+	Message string `json:"message"`
+}
+
+func writeVoterResponse(w http.ResponseWriter, status Status) {
+	w.Header().Set("Content-Type", "application/json")
+	resp, err := json.Marshal(status)
+	if err != nil {
+		log.Println("error marshaling response to vote request. error: ", err)
+	}
+	w.Write(resp)
+}
+
+func TestWriteVoterResponse_11f1d592d2(t *testing.T) {
+	t.Run("Success", func(t *testing.T) {
+		req, err := http.NewRequest("GET", "/", nil)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		rr := httptest.NewRecorder()
+		handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+			writeVoterResponse(w, Status{Message: "Success"})
+		})
+
+		handler.ServeHTTP(rr, req)
+
+		if status := rr.Code; status != http.StatusOK {
+			t.Errorf("handler returned wrong status code: got %v want %v", status, http.StatusOK)
+		}
+
+		expected := `{"message":"Success"}`
+		if rr.Body.String() != expected {
+			t.Errorf("handler returned unexpected body: got %v want %v", rr.Body.String(), expected)
+		}
+	})
+
+	t.Run("Error", func(t *testing.T) {
+		req, err := http.NewRequest("GET", "/", nil)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		rr := httptest.NewRecorder()
+		handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+			writeVoterResponse(w, Status{Message: string([]byte{0x80})}) // Invalid UTF-8
+		})
+
+		handler.ServeHTTP(rr, req)
+
+		if status := rr.Code; status != http.StatusOK {
+			t.Errorf("handler returned wrong status code: got %v want %v", status, http.StatusOK)
+		}
+
+		expected := `{"message":"\u0080"}`
+		if rr.Body.String() != expected {
+			t.Errorf("handler returned unexpected body: got %v want %v", rr.Body.String(), expected)
+		}
+	})
+}
diff --git a/ballot/go.mod b/ballot/go.mod
new file mode 100644
index 0000000..5df022f
--- /dev/null
+++ b/ballot/go.mod
@@ -0,0 +1,3 @@
+module ballot
+
+go 1.19