// TestCreateUniqueSite tests that the same URL and Site Name can't be entered twice.
func TestCreateUniqueSite(t *testing.T) {
	var err error
	db, err := database.InitializeTestDB("")
	if err != nil {
		t.Fatal("Failed to create database:", err)
	}
	defer db.Close()

	s := database.Site{Name: "Test", IsActive: true, URL: "http://www.test.com",
		PingIntervalSeconds: 60, TimeoutSeconds: 30}
	err = s.CreateSite(db)
	if err != nil {
		t.Fatal("Failed to create new site:", err)
	}

	//Test where the URL is the same and the Name is different should fail uniqueness constraint.
	s2 := database.Site{Name: "Test2", IsActive: true, URL: "http://www.test.com",
		PingIntervalSeconds: 60, TimeoutSeconds: 30}
	err = s2.CreateSite(db)
	if err == nil {
		t.Fatal("Should throw uniqueness constraint error for URL.")
	}

	//Test where the Name is the same and the URL is different should fail with uniqueness constraint.
	s3 := database.Site{Name: "Test", IsActive: true, URL: "http://www.test.edu",
		PingIntervalSeconds: 60, TimeoutSeconds: 30}
	err = s3.CreateSite(db)
	if err == nil {
		t.Fatal("Should throw uniqueness constraint error for Name.")
	}
}

func addContactToSite(controller *contactsController, contactID int64, siteID int64) error {
	var site database.Site
	err := site.GetSite(controller.DB, siteID)
	if err != nil {
		return err
	}
	err = site.AddContactToSite(controller.DB, contactID)
	if err != nil {
		return err
	}
	return nil
}

func removeContactFromSite(controller *contactsController, contactID int64, siteID int64) error {
	var site database.Site
	err := site.GetSite(controller.DB, siteID)
	if err != nil {
		return err
	}
	err = site.RemoveContactFromSite(controller.DB, contactID)
	if err != nil {
		return err
	}
	return nil
}

func (controller *sitesController) newPost(rw http.ResponseWriter, req *http.Request) (int, error) {
	err := req.ParseForm()
	if err != nil {
		return http.StatusInternalServerError, err
	}

	decoder := schema.NewDecoder()
	// Ignore unknown keys to prevent errors from the CSRF token.
	decoder.IgnoreUnknownKeys(true)
	formSite := new(viewmodels.SitesEditViewModel)
	err = decoder.Decode(formSite, req.PostForm)
	if err != nil {
		return http.StatusInternalServerError, err
	}

	valErrors := validateSiteForm(formSite)
	if len(valErrors) > 0 {
		isAuthenticated, user := getCurrentUser(rw, req, controller.authorizer)
		var contacts database.Contacts
		err = contacts.GetContacts(controller.DB)
		if err != nil {
			return http.StatusInternalServerError, err
		}
		vm := viewmodels.NewSiteViewModel(formSite, contacts, isAuthenticated, user, valErrors)
		vm.CsrfField = csrf.TemplateField(req)
		return http.StatusOK, controller.newTemplate.Execute(rw, vm)
	}

	site := database.Site{}
	viewmodels.MapSiteVMtoDB(formSite, &site)
	err = site.CreateSite(controller.DB)
	if err != nil {
		return http.StatusInternalServerError, err
	}

	//Add any selected contacts
	for _, contactSelID := range formSite.SelectedContacts {
		err = site.AddContactToSite(controller.DB, contactSelID)
		if err != nil {
			return http.StatusInternalServerError, err
		}
	}

	// Refresh the pinger with the changes.
	err = controller.pinger.UpdateSiteSettings()
	if err != nil {
		return http.StatusInternalServerError, err
	}

	http.Redirect(rw, req, "/settings", http.StatusSeeOther)
	return http.StatusSeeOther, nil
}

// Create the struct for the Site and its contacts used for testing.
func getTestSite() database.Site {
	s1 := database.Site{Name: "Test", IsActive: true, URL: "http://www.google.com",
		PingIntervalSeconds: 2, TimeoutSeconds: 1}

	// Create first contact
	c1 := database.Contact{Name: "Joe Contact", EmailAddress: "[email protected]", SmsNumber: "5125551212",
		SmsActive: false, EmailActive: true}
	// Create second contact
	c2 := database.Contact{Name: "Jack Contact", EmailAddress: "[email protected]", SmsNumber: "5125551213",
		SmsActive: true, EmailActive: false}

	// Add the contacts to the sites
	s1.Contacts = append(s1.Contacts, c1, c2)

	return s1
}

// TestGetSites tests the saving of the ping information to the DB.
func TestSavePings(t *testing.T) {
	db, err := database.InitializeTestDB("")
	if err != nil {
		t.Fatal("Failed to create database:", err)
	}
	defer db.Close()

	s1 := database.Site{Name: "Test", IsActive: true, URL: "http://www.github.com",
		PingIntervalSeconds: 1, TimeoutSeconds: 30}
	err = s1.CreateSite(db)
	if err != nil {
		t.Fatal("Failed to create new site:", err)
	}

	// For this test will pass the normal GetSites to use the DB...
	pinger.ResetHitCount()
	p := pinger.NewPinger(db, pinger.GetSites, pinger.RequestURLMock,
		notifier.SendEmailMock, notifier.SendSmsMock)
	p.Start()
	// Sleep to allow running the tests before stopping.
	time.Sleep(7 * time.Second)
	p.Stop()

	// Get the site pings since the test began and validate.
	var saved database.Site
	err = saved.GetSitePings(db, s1.SiteID, time.Now().Add(-10*time.Second), time.Now())
	if err != nil {
		t.Fatal("Failed to retrieve site pings:", err)
	}

	if !saved.Pings[0].SiteDown {
		t.Error("First ping should show site down.")
	}

	if saved.Pings[3].SiteDown {
		t.Error("Fourth ping should show site up.")
	}

	// Get the Site updates to make sure the status changes are being set.
	err = saved.GetSite(db, s1.SiteID)
	if err != nil {
		t.Fatal("Failed to retrieve site updates:", err)
	}

	if saved.LastStatusChange.IsZero() {
		t.Error("Last Status Change time not saved.")
	}

	if saved.LastPing.IsZero() {
		t.Error("Last Ping time not saved.")
	}

	if !saved.IsSiteUp {
		t.Error("Site should be saved as up.")
	}

}

func (controller *sitesController) editGet(rw http.ResponseWriter, req *http.Request) (int, error) {
	vars := mux.Vars(req)
	siteID, err := strconv.ParseInt(vars["siteID"], 10, 64)
	if err != nil {
		return http.StatusInternalServerError, err
	}
	// Get the site to edit
	site := new(database.Site)
	err = site.GetSite(controller.DB, siteID)
	if err != nil {
		return http.StatusInternalServerError, err
	}
	// Get all of the contacts to display in the table.
	var contacts database.Contacts
	err = contacts.GetContacts(controller.DB)
	if err != nil {
		return http.StatusInternalServerError, err
	}
	// Also get the site contacts to display in a table.
	err = site.GetSiteContacts(controller.DB, siteID)
	if err != nil {
		return http.StatusInternalServerError, err
	}

	selectedContacts := []int64{}
	for _, contact := range site.Contacts {
		selectedContacts = append(selectedContacts, contact.ContactID)
	}

	isAuthenticated, user := getCurrentUser(rw, req, controller.authorizer)
	siteEdit := new(viewmodels.SitesEditViewModel)
	viewmodels.MapSiteDBtoVM(site, siteEdit)

	siteEdit.SelectedContacts = selectedContacts

	vm := viewmodels.EditSiteViewModel(siteEdit, contacts, isAuthenticated, user, make(map[string]string))
	vm.CsrfField = csrf.TemplateField(req)
	return http.StatusOK, controller.editTemplate.Execute(rw, vm)
}

func (controller *sitesController) getDetails(rw http.ResponseWriter, req *http.Request) (int, error) {
	vars := mux.Vars(req)
	siteID, err := strconv.ParseInt(vars["siteID"], 10, 64)
	if err != nil {
		return http.StatusInternalServerError, err
	}

	site := new(database.Site)
	err = site.GetSite(controller.DB, siteID)
	if err != nil {
		return http.StatusInternalServerError, err
	}
	// Also get the contacts to display in a table.
	err = site.GetSiteContacts(controller.DB, siteID)
	if err != nil {
		return http.StatusInternalServerError, err
	}

	isAuthenticated, user := getCurrentUser(rw, req, controller.authorizer)
	vm := viewmodels.GetSiteDetailsViewModel(site, isAuthenticated, user)
	return http.StatusOK, controller.detailsTemplate.Execute(rw, vm)
}

// MapSiteVMtoDB maps the site view model properties to the site database properties.
func MapSiteVMtoDB(siteVM *SitesEditViewModel, site *database.Site) error {
	site.SiteID = siteVM.SiteID
	site.Name = siteVM.Name
	site.IsActive = siteVM.IsActive
	site.URL = strings.TrimSpace(siteVM.URL)
	site.ContentExpected = strings.TrimSpace(siteVM.ContentExpected)
	site.ContentUnexpected = strings.TrimSpace(siteVM.ContentUnexpected)
	// Conversion on these two is necessary because they are a string in the
	// view model to allow the validation to work
	pingInterval, err := strconv.Atoi(siteVM.PingIntervalSeconds)
	if err != nil {
		return err
	}
	site.PingIntervalSeconds = pingInterval
	timeout, err := strconv.Atoi(siteVM.TimeoutSeconds)
	if err != nil {
		return err
	}
	site.TimeoutSeconds = timeout

	return nil
}

// TestGetSites tests the database retrieval of the list of sites.
func TestGetSites(t *testing.T) {
	var sites database.Sites

	db, err := database.InitializeTestDB("")
	if err != nil {
		t.Fatal("Failed to create database:", err)
	}
	defer db.Close()

	s1 := database.Site{Name: "Test", IsActive: true, URL: "http://www.test.com",
		PingIntervalSeconds: 1, TimeoutSeconds: 30}
	err = s1.CreateSite(db)
	if err != nil {
		t.Fatal("Failed to create new site:", err)
	}

	// Create the second site.
	s2 := database.Site{Name: "Test 2", IsActive: true, URL: "http://www.example.com",
		PingIntervalSeconds: 1, TimeoutSeconds: 30}
	err = s2.CreateSite(db)
	if err != nil {
		t.Fatal("Failed to create second site:", err)
	}

	sites, err = pinger.GetSites(db)
	if err != nil {
		t.Fatal("Failed to get sites:", err)
	}
	// Verify the first site was Loaded with proper attributes.
	if !database.CompareSites(s1, sites[0]) {
		t.Error("First saved site not equal to input:\n", sites[0], s1)
	}

	// Verify the second site was Loaded with proper attributes.
	if !database.CompareSites(s2, sites[1]) {
		t.Error("Second saved site not equal to input:\n", sites[1], s2)
	}
}

// GetSitesMock is a mock of the SQL query to get the sites for pinging
func GetSitesMock(db *sql.DB) (database.Sites, error) {
	var sites database.Sites
	// Create the first site.
	s1 := database.Site{Name: "Test", IsActive: true, URL: "http://www.google.com",
		PingIntervalSeconds: 1, TimeoutSeconds: 1, IsSiteUp: true}
	// Create the second site.
	s2 := database.Site{Name: "Test 2", IsActive: true, URL: "http://www.github.com",
		PingIntervalSeconds: 2, TimeoutSeconds: 2, IsSiteUp: true}
	// Create the third site as not active.
	s3 := database.Site{Name: "Test 3", IsActive: false, URL: "http://www.test.com",
		PingIntervalSeconds: 2, TimeoutSeconds: 2}
	// Contacts are deliberately set as false for SmsActive and EmailActive so as not to trigger Notifier
	c1 := database.Contact{Name: "Joe Contact", EmailAddress: "[email protected]", SmsNumber: "5125551212",
		SmsActive: false, EmailActive: false}
	c2 := database.Contact{Name: "Jack Contact", EmailAddress: "[email protected]", SmsNumber: "5125551213",
		SmsActive: false, EmailActive: false}
	// Add the contacts to the sites
	s1.Contacts = append(s1.Contacts, c1, c2)
	s2.Contacts = append(s2.Contacts, c1)
	s3.Contacts = append(s3.Contacts, c1)

	sites = append(sites, s1, s2, s3)
	return sites, nil
}

// TestCreatePings tests creating the ping records for a given site.
func TestCreatePings(t *testing.T) {
	var err error
	db, err := database.InitializeTestDB("")
	defer db.Close()
	if err != nil {
		t.Fatal("Failed to create database:", err)
	}

	// First create a site to associate with the pings.
	s := database.Site{Name: "Test", IsActive: true, URL: "http://www.google.com", PingIntervalSeconds: 60, TimeoutSeconds: 30}
	err = s.CreateSite(db)
	if err != nil {
		t.Fatal("Failed to create new site:", err)
	}

	// Create a ping result
	p1 := database.Ping{SiteID: s.SiteID, TimeRequest: time.Date(2015, time.November, 10, 23, 22, 22, 00, time.UTC),
		Duration: 280, HTTPStatusCode: 200, SiteDown: false}
	err = p1.CreatePing(db)
	if err != nil {
		t.Fatal("Failed to create new ping:", err)
	}

	// Create a second ping result
	p2 := database.Ping{SiteID: s.SiteID, TimeRequest: time.Date(2015, time.November, 10, 23, 22, 20, 00, time.UTC),
		Duration: 290, HTTPStatusCode: 200, SiteDown: true}
	err = p2.CreatePing(db)
	if err != nil {
		t.Fatal("Failed to create new ping:", err)
	}

	//Get the saved Ping
	var saved database.Site
	err = saved.GetSitePings(db, s.SiteID, time.Date(2015, time.November, 10, 23, 00, 00, 00, time.UTC),
		time.Date(2015, time.November, 10, 23, 59, 00, 00, time.UTC))
	if err != nil {
		t.Fatal("Failed to retrieve saved pings:", err)
	}

	// Verify the first ping was Loaded with proper attibutes and sorted last.
	if !reflect.DeepEqual(p1, saved.Pings[1]) {
		t.Error("First saved ping not equal to input:\n", saved.Pings[1], p1)
	}

	// Verify the second ping was Loaded with proper attributes and sorted first.
	if !reflect.DeepEqual(p2, saved.Pings[0]) {
		t.Error("Second saved ping not equal to input:\n", saved.Pings[0], p2)
	}

	// Verify that the site reflects the last ping time.
	err = saved.GetSite(db, s.SiteID)
	if err != nil {
		t.Fatal("Failed to retrieve site:", err)
	}

	if saved.LastPing != p2.TimeRequest {
		t.Error("Last Ping on site does not match input:\n", saved.LastPing, p1.TimeRequest)
	}

	//Get the first ping for the site.
	firstping, err := s.GetFirstPing(db)
	if err != nil {
		t.Fatal("Failed to retrieve first ping for the site:", err)
	}
	if firstping != p2.TimeRequest {
		t.Error("First Ping on site does not match input:\n", firstping, p2.TimeRequest)
	}

	// Create a third ping with conflicting times should error.
	p3 := database.Ping{SiteID: s.SiteID, TimeRequest: time.Date(2015, time.November, 10, 23, 22, 20, 00, time.UTC),
		Duration: 300, HTTPStatusCode: 200, SiteDown: false}
	err = p3.CreatePing(db)
	if err == nil {
		t.Fatal("Conflicting pings should throw error.")
	}
}

func (controller *sitesController) editPost(rw http.ResponseWriter, req *http.Request) (int, error) {
	err := req.ParseForm()
	if err != nil {
		return http.StatusInternalServerError, err
	}

	decoder := schema.NewDecoder()
	// Ignore unknown keys to prevent errors from the CSRF token.
	decoder.IgnoreUnknownKeys(true)
	formSite := new(viewmodels.SitesEditViewModel)
	err = decoder.Decode(formSite, req.PostForm)
	if err != nil {
		return http.StatusInternalServerError, err
	}

	valErrors := validateSiteForm(formSite)
	if len(valErrors) > 0 {
		isAuthenticated, user := getCurrentUser(rw, req, controller.authorizer)
		var contacts database.Contacts
		err = contacts.GetContacts(controller.DB)
		if err != nil {
			return http.StatusInternalServerError, err
		}
		vm := viewmodels.EditSiteViewModel(formSite, contacts, isAuthenticated, user, valErrors)
		vm.CsrfField = csrf.TemplateField(req)
		return http.StatusOK, controller.editTemplate.Execute(rw, vm)
	}

	// Get the site to edit
	site := new(database.Site)
	err = site.GetSite(controller.DB, formSite.SiteID)
	if err != nil {
		return http.StatusInternalServerError, err
	}

	err = viewmodels.MapSiteVMtoDB(formSite, site)
	if err != nil {
		return http.StatusInternalServerError, err
	}
	err = site.UpdateSite(controller.DB)
	if err != nil {
		return http.StatusInternalServerError, err
	}

	//Loop selected ones first and if it's not already in the site then add it.
	for _, contactSelID := range formSite.SelectedContacts {
		if !int64InSlice(int64(contactSelID), formSite.SiteContacts) {
			err = site.AddContactToSite(controller.DB, contactSelID)
			if err != nil {
				return http.StatusInternalServerError, err
			}
		}
	}

	// Loop existing site contacts and if it's not in the selected items then remove it.
	for _, contactSiteID := range formSite.SiteContacts {
		if !int64InSlice(int64(contactSiteID), formSite.SelectedContacts) {
			err = site.RemoveContactFromSite(controller.DB, contactSiteID)
			if err != nil {
				return http.StatusInternalServerError, err
			}
		}
	}

	// Refresh the pinger with the changes.
	err = controller.pinger.UpdateSiteSettings()
	if err != nil {
		return http.StatusInternalServerError, err
	}

	http.Redirect(rw, req, "/settings", http.StatusSeeOther)
	return http.StatusSeeOther, nil
}

// ping does the actual pinging of the site and calls the notifications
func ping(s database.Site, db *sql.DB, requestURL URLRequester,
	sendEmail notifier.EmailSender, sendSms notifier.SmsSender, wg *sync.WaitGroup, stop chan struct{}) {
	defer wg.Done()
	// Initialize the previous state of site to the database value. On site creation will initialize to true.
	siteWasUp := s.IsSiteUp
	var statusChange bool
	var partialDetails string
	var partialSubject string
	for {
		// initialize statusChange to false and only notify on change of siteWasUp status
		statusChange = false
		// Check for a quit signal to stop the pinging
		select {
		case <-stop:
			log.Println("Stopping ", s.Name)
			return
		case <-time.After(time.Duration(s.PingIntervalSeconds) * time.Second):
			// Do nothing
		}
		if !s.IsActive {
			log.Println(s.Name, "Paused")
			continue
		}
		bodyContent, statusCode, responseTime, err := requestURL(s.URL, s.TimeoutSeconds)
		log.Println(s.Name, "Pinged")
		// Setup ping information for recording.
		p := database.Ping{SiteID: s.SiteID, TimeRequest: time.Now()}
		if err != nil {
			// Check if the error is due to the Internet not being Accessible
			if _, ok := err.(InternetAccessError); ok {
				log.Println(s.Name, "Unable to determine site status -", err)
				continue
			}
			log.Println(s.Name, "Error", err)
			if siteWasUp {
				statusChange = true
				partialSubject = "Site is Down"
				partialDetails = "Site is down, Error is " + err.Error()
			}
			siteWasUp = false

		} else if statusCode < 200 || statusCode > 299 { // Check if the status code is in the 2xx range.
			log.Println(s.Name, "Error - HTTP Status Code is", statusCode)
			if siteWasUp {
				statusChange = true
				partialSubject = "Site is Down"
				partialDetails = "Site is down, HTTP Status Code is " + strconv.Itoa(statusCode) + "."
			}
			siteWasUp = false

		} else {
			siteUp := true
			// if the site settings require check the content.
			if siteUp && s.ContentExpected != "" && !strings.Contains(bodyContent, s.ContentExpected) {
				siteUp = false
				log.Println(s.Name, "Error - required body content missing: ", s.ContentExpected)
				if siteWasUp {
					statusChange = true
					partialSubject = "Site is Down"
					partialDetails = "Site is Down, required body content missing: " + s.ContentExpected + "."
				}
			}
			if siteUp && s.ContentUnexpected != "" && strings.Contains(bodyContent, s.ContentUnexpected) {
				siteUp = false
				log.Println(s.Name, "Error - body content content has excluded content: ", s.ContentUnexpected)
				if siteWasUp {
					statusChange = true
					partialSubject = "Site is Down"
					partialDetails = "Site is Down, body content content has excluded content: " + s.ContentUnexpected + "."
				}
			}
			if siteUp && !siteWasUp {
				statusChange = true
				partialSubject = "Site is Up"
				partialDetails = fmt.Sprintf("Site is now up, response time was %v.", responseTime)
				siteWasUp = true
			}
			siteWasUp = siteUp
		}
		// Save the ping details
		p.Duration = int(responseTime.Nanoseconds() / 1e6)
		p.HTTPStatusCode = statusCode
		p.SiteDown = !siteWasUp
		// Save ping to db.
		err = p.CreatePing(db)
		if err != nil {
			log.Println("Error saving to ping to db:", err)
		}
		// Do the notifications if applicable
		if statusChange {
			// Update the site Status
			err = s.UpdateSiteStatus(db, siteWasUp)
			if err != nil {
				log.Println("Error updating site status:", err)
			}
			// Do the notifications if applicable
			subject := s.Name + ": " + partialSubject
			details := s.Name + " at " + s.URL + ": " + partialDetails
			log.Println("Will notify status change for", s.Name+":", details)
//.........这里部分代码省略.........

// TestCreateAndGetMultipleSites tests creating more than one active sites
// with contacts in the database and then retrieving them.
func TestCreateAndGetMultipleSites(t *testing.T) {
	var err error
	db, err := database.InitializeTestDB("")
	if err != nil {
		t.Fatal("Failed to create database:", err)
	}
	defer db.Close()

	// Create the first site.
	s1 := database.Site{Name: "Test", IsActive: true, URL: "http://www.google.com",
		PingIntervalSeconds: 60, TimeoutSeconds: 30, ContentExpected: "Expected 1",
		ContentUnexpected: "Unexpected 1"}
	err = s1.CreateSite(db)
	if err != nil {
		t.Fatal("Failed to create first site:", err)
	}

	// Create the second site.
	s2 := database.Site{Name: "Test 2", IsActive: true, URL: "http://www.test.com",
		PingIntervalSeconds: 60, TimeoutSeconds: 30,
		LastStatusChange: time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC),
		LastPing:         time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC),
		ContentExpected:  "Expected 2", ContentUnexpected: "Unexpected 2"}
	err = s2.CreateSite(db)
	if err != nil {
		t.Fatal("Failed to create second site:", err)
	}

	// Create a third site that is marked inactive.
	s3 := database.Site{Name: "Test 3", IsActive: false, URL: "http://www.test3.com",
		PingIntervalSeconds: 60, TimeoutSeconds: 30, ContentExpected: "Expected 3",
		ContentUnexpected: "Unexpected 3"}
	err = s3.CreateSite(db)
	if err != nil {
		t.Fatal("Failed to create third site:", err)
	}

	// Create first contact
	c1 := database.Contact{Name: "Joe Contact", EmailAddress: "[email protected]", SmsNumber: "5125551212",
		SmsActive: false, EmailActive: false}
	err = c1.CreateContact(db)
	if err != nil {
		t.Fatal("Failed to create new contact:", err)
	}
	// Associate to the first and second site ID
	err = s1.AddContactToSite(db, c1.ContactID)
	if err != nil {
		t.Fatal("Failed to associate contact 1 with first site:", err)
	}
	err = s2.AddContactToSite(db, c1.ContactID)
	if err != nil {
		t.Fatal("Failed to associate contact 1 with second site:", err)
	}

	// Create second contact
	c2 := database.Contact{Name: "Jack Contact", EmailAddress: "[email protected]", SmsNumber: "5125551213",
		SmsActive: false, EmailActive: false}
	err = c2.CreateContact(db)
	if err != nil {
		t.Fatal("Failed to create new contact:", err)
	}
	// Associate only to the first site
	err = s1.AddContactToSite(db, c2.ContactID)
	if err != nil {
		t.Fatal("Failed to associate contact 1 with first site:", err)
	}

	var sites database.Sites
	// Get active sites with contacts
	err = sites.GetSites(db, true, true)
	if err != nil {
		t.Fatal("Failed to get all the sites.", err)
	}

	// Verify that there are only two active sites.
	if len(sites) != 2 {
		t.Fatal("There should only be two active sites loaded.")
	}

	// Verify the first site was Loaded with proper attributes.
	if !database.CompareSites(s1, sites[0]) {
		t.Fatal("First saved site not equal to input:\n", sites[0], s1)
	}

	// Verify the second site was Loaded with proper attributes.
	if !database.CompareSites(s2, sites[1]) {
		t.Fatal("Second saved site not equal to input:\n", sites[1], s2)
	}

	// Verify the first contact was Loaded with proper attributes and sorted last.
	if !reflect.DeepEqual(c1, sites[0].Contacts[1]) {
		t.Error("Second saved contact not equal to input:\n", sites[0].Contacts[1], c1)
	}
	// Verify the second contact was loaded with the proper attributes and sorted first.
	if !reflect.DeepEqual(c2, sites[0].Contacts[0]) {
		t.Error("First saved contact not equal to input:\n", sites[0].Contacts[0], c2)
	}
	// Verify the first contact was loaded to the second site.
//.........这里部分代码省略.........

// TestCreateSiteAndContacts tests creating a site and adding new contacts
// in the database and then retrieving it.
func TestCreateSiteAndContacts(t *testing.T) {
	db, err := database.InitializeTestDB("")
	if err != nil {
		t.Fatal("Failed to create database:", err)
	}
	defer db.Close()

	// First create a site to associate with the contacts.
	// Note: SiteID is ignored for create but is used in the test comparison
	s := database.Site{SiteID: 1, Name: "Test", IsActive: true, URL: "http://www.google.com",
		PingIntervalSeconds: 60, TimeoutSeconds: 30, IsSiteUp: true, ContentExpected: "Expected Content",
		ContentUnexpected: "Unexpected Content"}
	err = s.CreateSite(db)
	if err != nil {
		t.Fatal("Failed to create new site:", err)
	}

	// siteID should be 1 on the first create.
	if s.SiteID != 1 {
		t.Fatal("Expected 1, got ", s.SiteID)
	}

	//Get the saved site
	var site database.Site
	err = site.GetSite(db, s.SiteID)
	if err != nil {
		t.Fatal("Failed to retrieve new site:", err)
	}
	//Verify the saved site is same as the input.
	if !database.CompareSites(site, s) {
		t.Error("New site saved not equal to input:\n", site, s)
	}

	//Update the saved site
	sUpdate := database.Site{SiteID: 1, Name: "Test Update", IsActive: false,
		URL: "http://www.example.com", PingIntervalSeconds: 30, TimeoutSeconds: 15,
		ContentExpected: "Updated Content", ContentUnexpected: "Updated Unexpected",
		IsSiteUp: true,
	}
	site.Name = sUpdate.Name
	site.URL = sUpdate.URL
	site.IsActive = sUpdate.IsActive
	site.PingIntervalSeconds = sUpdate.PingIntervalSeconds
	site.TimeoutSeconds = sUpdate.TimeoutSeconds
	site.ContentExpected = sUpdate.ContentExpected
	site.ContentUnexpected = sUpdate.ContentUnexpected
	site.IsSiteUp = sUpdate.IsSiteUp
	err = site.UpdateSite(db)
	if err != nil {
		t.Fatal("Failed to update site:", err)
	}

	//Get the updated site
	var siteUpdated database.Site
	err = siteUpdated.GetSite(db, s.SiteID)
	if err != nil {
		t.Fatal("Failed to retrieve updated site:", err)
	}
	//Verify the saved site is same as the input.
	if !database.CompareSites(siteUpdated, sUpdate) {
		t.Error("Updated site saved not equal to input:\n", siteUpdated, sUpdate)
	}

	// Create first contact - ContactID is for referencing the contact get test
	c := database.Contact{Name: "Joe Contact", EmailAddress: "[email protected]", SmsNumber: "5125551212",
		SmsActive: false, EmailActive: false, ContactID: 1}
	err = c.CreateContact(db)
	if err != nil {
		t.Fatal("Failed to create new contact:", err)
	}
	// Associate to the site ID
	err = site.AddContactToSite(db, c.ContactID)
	if err != nil {
		t.Fatal("Failed to associate contact with site:", err)
	}

	// Create second contact
	c2 := database.Contact{Name: "Jill Contact", EmailAddress: "[email protected]", SmsNumber: "5125551213",
		SmsActive: false, EmailActive: false}
	err = c2.CreateContact(db)
	if err != nil {
		t.Fatal("Failed to create new site:", err)
	}
	// Associate the contact to the site
	err = site.AddContactToSite(db, c2.ContactID)
	if err != nil {
		t.Error("Failed to associate contact2 with site:", err)
	}

	//Get the saved site contacts
	err = site.GetSiteContacts(db, site.SiteID)
	if err != nil {
		t.Error("Failed to retrieve site contacts:", err)
	}

	// Verify the first contact was Loaded as the last in list by sort order
	if !reflect.DeepEqual(c, site.Contacts[1]) {
		t.Error("New contact saved not equal to input:\n", site.Contacts[1], c)
//.........这里部分代码省略.........

// TestUpdateSiteStatus tests updating the up/down status of the site.
func TestUpdateSiteStatus(t *testing.T) {
	db, err := database.InitializeTestDB("")
	if err != nil {
		t.Fatal("Failed to create database:", err)
	}
	defer db.Close()

	// First create a site to update status.
	s := database.Site{SiteID: 1, Name: "Test", IsActive: true, URL: "http://www.google.com", PingIntervalSeconds: 60, TimeoutSeconds: 30}
	err = s.CreateSite(db)
	if err != nil {
		t.Fatal("Failed to create new site:", err)
	}

	// Update the status of the site to down
	err = s.UpdateSiteStatus(db, false)
	if err != nil {
		t.Fatal("Failed to update site status:", err)
	}

	//Get the saved site
	var updatedSite database.Site
	err = updatedSite.GetSite(db, s.SiteID)
	if err != nil {
		t.Fatal("Failed to retrieve updated site:", err)
	}

	if updatedSite.IsSiteUp != false {
		t.Errorf("Site status should be down.")
	}

	// Update the status of the site to up
	err = s.UpdateSiteStatus(db, true)
	if err != nil {
		t.Fatal("Failed to update site status:", err)
	}

	// Update the first ping time of the site.
	firstPingTime := time.Date(2015, time.November, 10, 23, 22, 22, 00, time.UTC)
	err = s.UpdateSiteFirstPing(db, firstPingTime)
	if err != nil {
		t.Fatal("Failed to update first ping time:", err)
	}

	err = updatedSite.GetSite(db, s.SiteID)
	if err != nil {
		t.Fatal("Failed to retrieve updated site:", err)
	}

	if updatedSite.IsSiteUp != true {
		t.Errorf("Site status should be up.")
	}

	if updatedSite.FirstPing != firstPingTime {
		t.Errorf("Site first ping time %s does not match input %s.", updatedSite.FirstPing, firstPingTime)
	}

}

// TestDeleteContacts tests creating a site and two contacts
// in the database and then deleting one of the contacts.
func TestDeleteContact(t *testing.T) {
	db, err := database.InitializeTestDB("")
	if err != nil {
		t.Fatal("Failed to create database:", err)
	}
	defer db.Close()

	// First create a site to associate with the contacts.
	// Note: SiteID is ignored for create but is used in the test comparison
	s := database.Site{SiteID: 1, Name: "Test", IsActive: true, URL: "http://www.google.com", PingIntervalSeconds: 60, TimeoutSeconds: 30, IsSiteUp: true}
	err = s.CreateSite(db)
	if err != nil {
		t.Fatal("Failed to create new site:", err)
	}

	// Create first contact - ContactID is for referencing the contact get test
	c := database.Contact{Name: "Joe Contact", EmailAddress: "[email protected]", SmsNumber: "5125551212",
		SmsActive: false, EmailActive: false, ContactID: 1}
	err = c.CreateContact(db)
	if err != nil {
		t.Fatal("Failed to create new contact:", err)
	}
	// Associate to the site ID
	err = s.AddContactToSite(db, c.ContactID)
	if err != nil {
		t.Fatal("Failed to associate contact with site:", err)
	}

	// Create second contact
	c2 := database.Contact{Name: "Jill Contact", EmailAddress: "[email protected]", SmsNumber: "5125551213",
		SmsActive: false, EmailActive: false}
	err = c2.CreateContact(db)
	if err != nil {
		t.Fatal("Failed to create new site:", err)
	}
	// Associate the contact to the site
	err = s.AddContactToSite(db, c2.ContactID)
	if err != nil {
		t.Error("Failed to associate contact2 with site:", err)
	}

	err = s.GetSiteContacts(db, s.SiteID)
	if err != nil {
		t.Error("Failed to retrieve site contacts:", err)
	}
	if len(s.Contacts) != 2 {
		t.Error("There should two contacts before deletion.")
	}

	// Delete the second contact
	err = c2.DeleteContact(db)
	if err != nil {
		t.Fatal("Failed to delete contact 2:", err)
	}

	// Verify that it was deleted OK and not associated with the site, and
	// that contact1 is still there.
	err = s.GetSiteContacts(db, s.SiteID)
	if err != nil {
		t.Error("Failed to retrieve site contacts:", err)
	}

	if len(s.Contacts) != 1 {
		t.Error("There should only be one contact for the site after deletion.")
	}
	if !reflect.DeepEqual(c, s.Contacts[0]) {
		t.Error("Remaining contact not equal to input:\n", s.Contacts[0], c)
	}

	// Also verify that the contacts are correct.
	var contacts database.Contacts
	err = contacts.GetContacts(db)
	if err != nil {
		t.Fatal("Failed to get all contacts.", err)
	}

	if len(contacts) != 1 {
		t.Error("There should only be one contact in the DB after deletion.")
	}

	if contacts[0].SiteCount != 1 {
		t.Error("Site count should be 1.")
	}
}