* Create a focusable element * * @param id - Element ID * @param tabIndex - Tab index for ordering * @param type - Element type * @param isDisabl

* Creates a mock CometChat.TextMessage.

* Create a mock users list structure with scrollable container

Ends the current call session (local cleanup only). @see Requirement 1.3

* Gets the effective template for a specific template type. * This mirrors the component's effective*View getters.

* Gets tabindex for an item based on roving tabindex pattern. * * @param index - The item's index * @param focusedIndex - The currently focus

Get rich text metadata for a message. @see Requirements 9.3, 9.5

* Determines if the user's online status should be visible.

* Check if in reply mode

* Check if a specific popover is currently open * * @param popoverType - The popover type to check * @returns true if the specified popover i

* Checks if a user is currently active (highlighted) * Implements hybrid approach: checks activeUser prop first, falls back to ChatStateService

* Build a minimal mock user object with getUid() and getName(). * CometChat SDK User objects are complex — we only need these two methods * for the

* Set the composer text * * @param text - The text to set

* Set the parent message ID for threaded replies

* Subscribe to message events — mirrors what the real component does in ngOnInit.

* Validates that an announcement was made with the correct type * * @param state - The announcement state to check * @param expectedType - Th

* Announces outgoing call initiation. * * @param receiverName - Name of the call recipient

* Applies text formatters to a message in pipeline order. * Mirrors the component's applyTextFormatters method. * * **Property 8: Text Formatter Pi

Attach SDK GroupListener for real-time group events.

* Counts how many users have the active class

* Helper to create a keyboard event

* Creates a mock message for formatter testing

* Creates a mock CometChat.User-like object for loggedInUser input.

* Creates a real CometChat.TextMessage for testing.

* Enters edit mode with a message. * Mirrors the component's enterEditMode method. * * @param state - Current edit mode state * @param message - T

* Execute an extension operation by type

* Returns a shallow copy of the internal actions map. * Mutations to the returned object do not affect this instance.

* Replicates the exact getBubbleType() logic from the real component.

* Get current conversations list

* Gets the current active language. * * @returns The current language code

* Handles confirm button click. * Validates that a reason is selected, sets loading state, and emits confirm event. * @see Requirement 9.4

* Handle Tab key navigation * Moves focus to next or previous element based on Shift key * * **Validates: Requirements 2.1, 2.2** * * @param focu

* Simulates CometChatLocalize.getLocalizedString() — in tests the * localization service returns the key itself (same as MockTranslatePipe).

* Syncs component inputs to the service and subscribes to call-ended events. * Input values take priority over service state. * * @see Requir

* Replicates onKeydown() — the full handler including guard and dispatch.