refactor: [shitty claude AI first try] restructure server and user services, add new test cases, and improve error handling

internal/api/auth/domain/auth_domain_test.go

@@ -0,0 +1,146 @@
+package domain
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestErrOtpNotFound_Error(t *testing.T) {
+	tests := []struct {
+		name string
+		uuid string
+		want string
+	}{
+		{
+			name: "returns formatted error message",
+			uuid: "123e4567-e89b-12d3-a456-426614174000",
+			want: "OTP request not found for UUID: 123e4567-e89b-12d3-a456-426614174000",
+		},
+		{
+			name: "handles empty uuid",
+			uuid: "",
+			want: "OTP request not found for UUID: ",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := ErrOtpNotFound{Uuid: tt.uuid}
+			assert.Equal(t, tt.want, err.Error())
+		})
+	}
+}
+
+func TestErrUserNotFound_Error(t *testing.T) {
+	tests := []struct {
+		name        string
+		phoneNumber string
+		want        string
+	}{
+		{
+			name:        "returns formatted error message",
+			phoneNumber: "+1234567890",
+			want:        "User not found with phone number: +1234567890",
+		},
+		{
+			name:        "handles empty phone number",
+			phoneNumber: "",
+			want:        "User not found with phone number: ",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := ErrUserNotFound{PhoneNumber: tt.phoneNumber}
+			assert.Equal(t, tt.want, err.Error())
+		})
+	}
+}
+
+func TestErrOtpInvalid_Error(t *testing.T) {
+	tests := []struct {
+		name string
+		code string
+		uuid string
+		want string
+	}{
+		{
+			name: "returns formatted error message",
+			code: "123456",
+			uuid: "123e4567-e89b-12d3-a456-426614174000",
+			want: "Invalid OTP code: 123456 for UUID: 123e4567-e89b-12d3-a456-426614174000",
+		},
+		{
+			name: "handles empty values",
+			code: "",
+			uuid: "",
+			want: "Invalid OTP code:  for UUID: ",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := ErrOtpInvalid{Code: tt.code, Uuid: tt.uuid}
+			assert.Equal(t, tt.want, err.Error())
+		})
+	}
+}
+
+func TestErrInvalidHydraAccept_Error(t *testing.T) {
+	tests := []struct {
+		name    string
+		message string
+		uuid    string
+		want    string
+	}{
+		{
+			name:    "returns formatted error message",
+			message: "Invalid response",
+			uuid:    "123e4567-e89b-12d3-a456-426614174000",
+			want:    "Invalid Hydra accept request: Invalid response for UUID: 123e4567-e89b-12d3-a456-426614174000",
+		},
+		{
+			name:    "handles empty values",
+			message: "",
+			uuid:    "",
+			want:    "Invalid Hydra accept request:  for UUID: ",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := ErrInvalidHydraAccept{Message: tt.message, Uuid: tt.uuid}
+			assert.Equal(t, tt.want, err.Error())
+		})
+	}
+}
+
+func TestErrInvalidPhoneNumber_Error(t *testing.T) {
+	tests := []struct {
+		name        string
+		phoneNumber string
+		err         error
+		want        string
+	}{
+		{
+			name:        "returns formatted error message with nested error",
+			phoneNumber: "invalid",
+			err:         assert.AnError,
+			want:        "Invalid phone number: invalid, error: assert.AnError general error for testing",
+		},
+		{
+			name:        "handles empty phone number",
+			phoneNumber: "",
+			err:         assert.AnError,
+			want:        "Invalid phone number: , error: assert.AnError general error for testing",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := ErrInvalidPhoneNumber{PhoneNumber: tt.phoneNumber, Err: tt.err}
+			assert.Equal(t, tt.want, err.Error())
+		})
+	}
+}