feat: Update dependencies and enhance job run details template

- Add new dependencies: `github.com/joho/godotenv`, `github.com/stretchr/testify`, and `gopkg.in/natefinch/lumberjack.v2`
- Remove indirect dependency on `github.com/joho/godotenv`
- Refactor JobRunDetails template to separate content rendering for improved testing
- Enhance error message display in JobRunDetails template
- Introduce new test files for JWT and password functionalities
- Add comprehensive tests for database operations and error handling

internal/email/email_test.go

@@ -0,0 +1,129 @@
+package email
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"github.com/starfleetcptn/gomft/internal/config"
+)
+
+// Setup test configuration without using testutils (to avoid import cycles)
+func setupTestConfig(t *testing.T) *config.Config {
+	tempDir, err := os.MkdirTemp("", "gomft-test-*")
+	if err != nil {
+		t.Fatalf("Failed to create temp directory: %v", err)
+	}
+	t.Cleanup(func() {
+		os.RemoveAll(tempDir)
+	})
+
+	return &config.Config{
+		ServerAddress: ":9090",
+		DataDir:       filepath.Join(tempDir, "data"),
+		BackupDir:     filepath.Join(tempDir, "backups"),
+		JWTSecret:     "test-jwt-secret",
+		BaseURL:       "http://test.example.com",
+		Email: config.EmailConfig{
+			Enabled:     false,
+			Host:        "smtp.test.com",
+			Port:        587,
+			Username:    "test@example.com",
+			Password:    "test-password",
+			FromEmail:   "test@example.com",
+			FromName:    "Test",
+			EnableTLS:   true,
+			RequireAuth: true,
+		},
+	}
+}
+
+func TestEmailServiceDisabled(t *testing.T) {
+	// Set up test config with email disabled
+	cfg := setupTestConfig(t)
+	cfg.Email.Enabled = false
+
+	// Create the email service
+	service := NewService(cfg)
+
+	// Send a password reset email
+	err := service.SendPasswordResetEmail("test@example.com", "Test User", "token123")
+
+	// Expect an error indicating the service is disabled
+	if err == nil {
+		t.Error("Expected error when email service is disabled, but got none")
+	}
+
+	// Check that the error message contains the reset link
+	expectedMsg := cfg.BaseURL + "/reset-password?token=token123"
+	if !strings.Contains(err.Error(), expectedMsg) {
+		t.Errorf("Expected error message to contain the reset link %s, got: %s", expectedMsg, err.Error())
+	}
+}
+
+func TestGeneratePasswordResetEmailHTML(t *testing.T) {
+	// Set up test config
+	cfg := setupTestConfig(t)
+	service := NewService(cfg)
+
+	// Test cases
+	tests := []struct {
+		name     string
+		data     map[string]interface{}
+		expected []string // Strings that should be included in the HTML
+	}{
+		{
+			name: "Complete user data",
+			data: map[string]interface{}{
+				"Username":     "John Doe",
+				"ResetLink":    "http://example.com/reset?token=abc123",
+				"AppName":      "GoMFT",
+				"Year":         2023,
+				"ExpiresHours": 0.25,
+			},
+			expected: []string{
+				"Hello John Doe",
+				"http://example.com/reset?token=abc123",
+				"GoMFT",
+				"2023",
+				"15 minutes",
+			},
+		},
+		{
+			name: "No username",
+			data: map[string]interface{}{
+				"ResetLink":    "http://example.com/reset?token=abc123",
+				"AppName":      "GoMFT",
+				"Year":         2023,
+				"ExpiresHours": 0.25,
+			},
+			expected: []string{
+				"Hello",
+				"http://example.com/reset?token=abc123",
+				"GoMFT",
+				"2023",
+				"15 minutes",
+			},
+		},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			// Generate HTML
+			html, err := service.generatePasswordResetEmailHTML(tc.data)
+
+			// Check for errors
+			if err != nil {
+				t.Fatalf("Error generating HTML: %v", err)
+			}
+
+			// Check that all expected strings are included
+			for _, expected := range tc.expected {
+				if !strings.Contains(html, expected) {
+					t.Errorf("Expected HTML to contain %q, but it doesn't", expected)
+				}
+			}
+		})
+	}
+}

internal/email/mock_email.go

@@ -0,0 +1,35 @@
+package email
+
+import (
+	"fmt"
+
+	"github.com/starfleetcptn/gomft/internal/config"
+)
+
+// MockService implements the email Service for testing purposes
+type MockService struct {
+	SendEmailCalls              int
+	SendPasswordResetEmailCalls int
+	ReturnError                 error
+}
+
+// NewMockService creates a new mock email service
+func NewMockService() *Service {
+	// Create minimal config
+	cfg := &config.Config{
+		Email: config.EmailConfig{
+			Enabled: false,
+		},
+		BaseURL: "http://localhost:8080",
+	}
+
+	return &Service{
+		Config: cfg,
+	}
+}
+
+// SendPasswordResetEmail mocks sending a password reset email
+func (s *MockService) SendPasswordResetEmail(toEmail, username, resetToken string) error {
+	return fmt.Errorf("email service is disabled, reset link would be: %s/reset-password?token=%s",
+		"http://localhost:8080", resetToken)
+}