WebSocket Server

Steps for stubbing WebSocket services

Multi-line Content

Steps ending with : accept multi-line content using Gherkin's docstring syntax ("""). See examples below each section.

Setup

Step	Description
"prices-stub" on connect sends:	Sends a message when a client connects
"prices-stub" on message "ping" replies:	Replies to an exact message
"prices-stub" on message matching ".*subscribe.*" replies:	Replies to messages matching a regex pattern

Examples

Sends a message when a client connects:

"prices-stub" on connect sends:
  """
  {"type": "welcome"}
  """

Replies to an exact message:

"prices-stub" on message "ping" replies:
  """
  pong
  """

Replies to messages matching a regex pattern:

"prices-stub" on message matching ".*subscribe.*" replies:
  """
  {"status": "subscribed"}
  """

Broadcast

Step	Description
"prices-stub" broadcasts:	Broadcasts a message to all connected clients
"prices-stub" broadcasts "ping"	Broadcasts a short message to all connected clients

Examples

Broadcasts a message to all connected clients:

"prices-stub" broadcasts:
  """
  {"event": "update"}
  """

Assertions

Step	Description
"prices-stub" has "2" connections	Asserts the number of connected clients
"prices-stub" received message "ping"	Asserts a specific message was received
"prices-stub" received "3" messages	Asserts the total number of messages received