Add test notification tool (#28334)

* Add test notification tool

* Add frontend styles

* Remove option from admin view

* Refactor create post and add translations

* Fix several CI errors

* Fix API and frontend snapshots

* Refactor trailing and leading icon on buttons

* Add different button states

* i18n-extract

* Fix wrong text

* Add tests

* Fix wrong string

* Fix test

* feat: E2E send test notifications (#28371)

* Refactor send desktop notification

* Address rest of the feedback

* Fix tests

* Add correct link

* Fix test

---------

Co-authored-by: Mattermost Build <build@mattermost.com>
Co-authored-by: yasserfaraazkhan <attitude3cena.yf@gmail.com>

server/public/model/client4.go

@@ -344,6 +344,10 @@ func (c *Client4) testEmailRoute() string {
 	return "/email/test"
 }
 
+func (c *Client4) testNotificationRoute() string {
+	return "/notifications/test"
+}
+
 func (c *Client4) usageRoute() string {
 	return "/usage"
 }
@@ -4820,6 +4824,15 @@ func (c *Client4) TestEmail(ctx context.Context, config *Config) (*Response, err
 	return BuildResponse(r), nil
 }
 
+func (c *Client4) TestNotifications(ctx context.Context) (*Response, error) {
+	r, err := c.DoAPIPost(ctx, c.testNotificationRoute(), "")
+	if err != nil {
+		return BuildResponse(r), err
+	}
+	defer closeBody(r)
+	return BuildResponse(r), nil
+}
+
 // TestSiteURL will test the validity of a site URL.
 func (c *Client4) TestSiteURL(ctx context.Context, siteURL string) (*Response, error) {
 	requestBody := make(map[string]string)

server/public/model/post.go

@@ -75,6 +75,7 @@ const (
 	PostPropsMentionHighlightDisabled = "mentionHighlightDisabled"
 	PostPropsGroupHighlightDisabled   = "disable_group_highlight"
 	PostPropsPreviewedPost            = "previewed_post"
+	PostPropsForceNotification        = "force_notification"
 
 	PostPriorityUrgent               = "urgent"
 	PostPropsRequestedAck            = "requested_ack"
@@ -339,8 +340,9 @@ func (o *Post) EncodeJSON(w io.Writer) error {
 }
 
 type CreatePostFlags struct {
-	TriggerWebhooks bool
-	SetOnline       bool
+	TriggerWebhooks   bool
+	SetOnline         bool
+	ForceNotification bool
 }
 
 type GetPostsSinceOptions struct {
@@ -500,6 +502,7 @@ func (o *Post) SanitizeProps() {
 	}
 	membersToSanitize := []string{
 		PropsAddChannelMember,
+		PostPropsForceNotification,
 	}
 
 	for _, member := range membersToSanitize {

server/public/model/post_test.go

@@ -115,29 +115,34 @@ func TestPostSanitizeProps(t *testing.T) {
 	post1.SanitizeProps()
 
 	require.Nil(t, post1.GetProp(PropsAddChannelMember))
+	require.Nil(t, post1.GetProp(PostPropsForceNotification))
 
 	post2 := &Post{
 		Message: "test",
 		Props: StringInterface{
-			PropsAddChannelMember: "test",
+			PropsAddChannelMember:      "test",
+			PostPropsForceNotification: "test",
 		},
 	}
 
 	post2.SanitizeProps()
 
 	require.Nil(t, post2.GetProp(PropsAddChannelMember))
+	require.Nil(t, post2.GetProp(PostPropsForceNotification))
 
 	post3 := &Post{
 		Message: "test",
 		Props: StringInterface{
-			PropsAddChannelMember: "no good",
-			"attachments":         "good",
+			PropsAddChannelMember:      "no good",
+			PostPropsForceNotification: "no good",
+			"attachments":              "good",
 		},
 	}
 
 	post3.SanitizeProps()
 
 	require.Nil(t, post3.GetProp(PropsAddChannelMember))
+	require.Nil(t, post3.GetProp(PostPropsForceNotification))
 
 	require.NotNil(t, post3.GetProp("attachments"))
 }