refactor(INetworkMonitor): update return type nullable NetworkMonitorState

[ArgoZhang]

Link issues

fixes #6416

Summary By Copilot

Regression?

• Yes
• No

Risk

• High
• Medium
• Low

Verification

• Manual (required)
• Automated

Packaging changes reviewed?

• Yes
• No
• N/A

☑️ Self Check before Merge

⚠️ Please check all items below before review. ⚠️

• Doc is updated/provided or not needed
• Demo is updated/provided or not needed
• Merge the latest code from the main branch

Summary by Sourcery

Refactor network monitor service to return a nullable NetworkMonitorState and update related tests to accommodate the change.

Enhancements:

• Change INetworkMonitorService and DefaultNetworkMonitorService GetNetworkMonitorState methods to return NetworkMonitorState? instead of non-nullable type
• Remove default fallback instantiation in DefaultNetworkMonitorService when invoking JS module

Tests:

• Add assertion in DefaultNetworkMonitorServiceTest to verify the returned state is not null
• Simplify TcpSocketFactoryTest by removing unnecessary byte[] cast when testing null argument

[sourcery-ai]

Reviewer's Guide

Refactor GetNetworkMonitorState to return a nullable NetworkMonitorState, remove its default fallback instantiation, and update related unit tests to align with the new nullable behavior and simplify null argument handling.

Class diagram for updated INetworkMonitorService and DefaultNetworkMonitorService

classDiagram
    class INetworkMonitorService {
        +Task<NetworkMonitorState?> GetNetworkMonitorState(CancellationToken token = default)
        +void RegisterNetworkMonitorStateChanged(Action<NetworkMonitorState> callback)
    }
    class DefaultNetworkMonitorService {
        +Task<NetworkMonitorState?> GetNetworkMonitorState(CancellationToken token = default)
    }
    INetworkMonitorService <|.. DefaultNetworkMonitorService
    class NetworkMonitorState {
        <<data class>>
    }

Loading

File-Level Changes

Change	Details	Files
Make GetNetworkMonitorState return a nullable type and remove fallback instantiation	Changed INetworkMonitorService signature to Task<NetworkMonitorState?> Updated DefaultNetworkMonitorService signature to Task<NetworkMonitorState?> Removed '?? new()' fallback from InvokeAsync call	src/BootstrapBlazor/Services/INetworkMonitorService.cs src/BootstrapBlazor/Services/DefaultNetworkMonitorService.cs
Update unit tests for nullable return and null argument handling	Added Assert.NotNull for GetNetworkMonitorState result Simplified DelimiterDataPackageHandler null-constructor test by removing explicit byte[] cast	test/UnitTest/Services/DefaultNetworkMonitorServiceTest.cs test/UnitTest/Services/TcpSocketFactoryTest.cs

Assessment against linked issues

Issue	Objective	Addressed	Explanation
#6416	Update the return type of GetNetworkMonitorState in INetworkMonitorService to be nullable (NetworkMonitorState?).	✅
#6416	Update the implementation of GetNetworkMonitorState in DefaultNetworkMonitorService to handle the nullable return type.	✅

Possibly linked issues

• refactor(INetworkMonitor): update return type nullable NetworkMonitorState #6416: The PR changes the return type of GetNetworkMonitorState to be nullable, directly addressing the issue.

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[sourcery-ai]

Hey @ArgoZhang - I've reviewed your changes - here's some feedback:

• Since GetNetworkMonitorState now returns a nullable type, update or add fallback handling in callers to avoid potential null dereferences.
• Consider revising the unit test asserting state is not null to better simulate and validate scenarios when the JS call actually returns null.
• There's a typo in the service class name (DefaultNetowrkMonitorService); renaming it to DefaultNetworkMonitorService would ensure consistency.

Prompt for AI Agents

Please address the comments from this code review:
## Overall Comments
- Since GetNetworkMonitorState now returns a nullable type, update or add fallback handling in callers to avoid potential null dereferences.
- Consider revising the unit test asserting state is not null to better simulate and validate scenarios when the JS call actually returns null.
- There's a typo in the service class name (`DefaultNetowrkMonitorService`); renaming it to `DefaultNetworkMonitorService` would ensure consistency.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (a1b8cbf) to head (a00f7d8).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff            @@
##             main     #6417   +/-   ##
========================================
  Coverage   99.99%   100.00%           
========================================
  Files         722       722           
  Lines       31832     31832           
  Branches     4490      4489    -1     
========================================
+ Hits        31831     31832    +1     
+ Partials        1         0    -1     

Flag	Coverage Δ
BB	100.00% <100.00%> (?)

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