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@ArgoZhang ArgoZhang commented Jun 20, 2025

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fixes #6267

Summary By Copilot

Regression?

  • Yes
  • No

Risk

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  • Medium
  • Low

Verification

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  • 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

Introduce a string-based SendAsync extension for ITcpSocketClient and update tests and sample docs to demonstrate and explain its usage.

New Features:

  • Add SendAsync extension method on ITcpSocketClient to send string content with optional encoding and cancellation token.

Enhancements:

  • Update unit tests to leverage the new string-based SendAsync overload.
  • Refine sample documentation to clarify packet concatenation (粘包) and fragmentation (分包) handling.

Documentation:

  • Improve descriptions in SocketFactories.razor to better explain粘包 and分包 scenarios.

Tests:

  • Update TcpSocketFactoryTest to invoke SendAsync with string input and encoding.

@bb-auto bb-auto bot added the enhancement New feature or request label Jun 20, 2025
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sourcery-ai bot commented Jun 20, 2025

Reviewer's Guide

Adds a new string-based SendAsync extension on ITcpSocketClient that wraps the existing byte-array overload with encoding and cancellation support, updates unit tests to leverage the new overload, and refines sample documentation to clarify sticky-packet and fragmentation handling.

Class diagram for ITcpSocketClientExtensions and SendAsync method

classDiagram
    class ITcpSocketClient {
        <<interface>>
        SendAsync(byte[] buffer, CancellationToken token) ValueTask<bool>
    }
    class ITcpSocketClientExtensions {
        <<static>>
        +SendAsync(client: ITcpSocketClient, content: string, encoding: Encoding = null, token: CancellationToken = default) ValueTask<bool>
    }
    ITcpSocketClientExtensions ..> ITcpSocketClient : extends
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File-Level Changes

Change Details Files
Implement SendAsync extension method for ITcpSocketClient
  • Added static extension class
  • Created SendAsync(string, Encoding?, CancellationToken) overload
  • Defaulted encoding to UTF-8 if none provided
  • Forwarded byte buffer to existing SendAsync API
src/BootstrapBlazor/Extensions/ITcpSocketClientExtensions.cs
Refactor unit tests to use string-based SendAsync
  • Replaced raw byte array parameters with string calls
  • Passed optional encoding or null as needed
  • Ensured cancellation token flows through new overload
test/UnitTest/Services/TcpSocketFactoryTest.cs
Clarify sample docs on packet concatenation and splitting
  • Expanded sticky-packet description with slicing guidance
  • Detailed fragmentation merging logic
  • Adjusted wording for consistency
src/BootstrapBlazor.Server/Components/Samples/SocketFactories.razor

Assessment against linked issues

Issue Objective Addressed Explanation
#6268 Add a SendAsync(string) extension method for ITcpSocketClient with optional encoding and cancellation support.
#6268 Clarify sticky packet and fragmentation handling descriptions in SocketFactories.razor sample documentation.
#6268 Update unit tests to use the new string-based SendAsync overload instead of raw byte arrays.

Possibly linked issues


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@bb-auto bb-auto bot added this to the 9.7.0 milestone Jun 20, 2025
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Hey @ArgoZhang - I've reviewed your changes - here's some feedback:

  • Add argument validation in the SendAsync extension (e.g. throw ArgumentNullException for null client or content) to match your XML docs contract.
  • Add unit tests for the new string-overload SendAsync covering different encodings, empty-string edge cases, and null‐encoding fallback to verify correct byte conversion.
Prompt for AI Agents
Please address the comments from this code review:
## Overall Comments
- Add argument validation in the SendAsync extension (e.g. throw ArgumentNullException for null client or content) to match your XML docs contract.
- Add unit tests for the new string-overload SendAsync covering different encodings, empty-string edge cases, and null‐encoding fallback to verify correct byte conversion.

## Individual Comments

### Comment 1
<location> `src/BootstrapBlazor/Extensions/ITcpSocketClientExtensions.cs:30` </location>
<code_context>
+    /// langword="true"/> if the content was sent successfully; otherwise, <see langword="false"/>.</returns>
+    public static ValueTask<bool> SendAsync(this ITcpSocketClient client, string content, Encoding? encoding = null, CancellationToken token = default)
+    {
+        var buffer = encoding?.GetBytes(content) ?? Encoding.UTF8.GetBytes(content);
+        return client.SendAsync(buffer, token);
+    }
</code_context>

<issue_to_address>
No null or empty check for 'content' parameter.

Since the XML docs specify 'content' must not be null or empty, add a guard clause to throw an exception if this condition is violated to prevent unintended behavior.
</issue_to_address>

### Comment 2
<location> `test/UnitTest/Services/TcpSocketFactoryTest.cs:98` </location>
<code_context>

-        var data = new ReadOnlyMemory<byte>([1, 2, 3, 4, 5]);
-        var result = await client.SendAsync(data, cst.Token);
+        var result = await client.SendAsync("test", null, cst.Token);
         Assert.False(result);

</code_context>

<issue_to_address>
Consider adding tests for edge cases in the new SendAsync extension method.

Please add tests for cases like empty string content, different encodings, very large strings, client not connected or disposed, and exception handling to ensure robustness.
</issue_to_address>

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codecov bot commented Jun 20, 2025

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (4ce223e) to head (5d5a73f).
Report is 1 commits behind head on main.

Additional details and impacted files
@@            Coverage Diff            @@
##              main     #6269   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          711       712    +1     
  Lines        31379     31383    +4     
  Branches      4432      4433    +1     
=========================================
+ Hits         31379     31383    +4     
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@ArgoZhang ArgoZhang merged commit ea1c142 into main Jun 20, 2025
6 checks passed
@ArgoZhang ArgoZhang deleted the feat-socket branch June 20, 2025 04:55
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feat(ITcpSocketClient): add SendAsync extensions method

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