Document Test Suites

[Lightning11wins]

Add Testing.md to centrallix-sysdoc to document the various test suites and testing methods in Centrallix, including where to find them, how to run them, and how to add additional tests.

Information may be missing or inaccurate, especially regarding the Selenium test suite that I still have never run on my own.

[greptile-apps]

Greptile Summary

This PR adds Testing.md to centrallix-sysdoc, providing a comprehensive reference for all four test suites (test-obj, centrallix-lib, CXJS, and Selenium UI), including how to find, run, and extend each suite. It also fixes the C function signature in centrallix/tests/README (**char name → char** name).

• Testing.md: Documents test locations, run commands, TONLY filtering, output status codes, code coverage, and test case formats for all suites — including a cross-reference to each project's own README.
• centrallix/tests/README: One-line correction to the native C test function prototype to match actual usage in test source files.

Confidence Score: 5/5

Pure documentation addition with one one-line prose fix to an existing README — no runtime code is touched.

Both files are documentation only. The README fix is a straightforward correction to a C function signature that now matches the actual source files. The new Testing.md is accurate and internally consistent with the existing READMEs it references.

No files require special attention.

Important Files Changed

Filename	Overview
centrallix-sysdoc/Testing.md	New documentation file covering all four test suites (test-obj, centrallix-lib, CXJS, Selenium). Content is accurate and well-structured; minor typo ("copywrite" → "copyright") and a first-person troubleshooting note in the coverage section.
centrallix/tests/README	Single-line fix correcting the C function signature from **char name to char** name, matching the actual usage in the test source files.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A[Developer runs tests] --> B{Which suite?}
    B --> C[test-obj\nmake test in centrallix/]
    B --> D[centrallix-lib\nmake test in centrallix-lib/]
    B --> E[CXJS\nmake test-js in centrallix/]
    B --> F[Selenium UI\npython3 tests/xxx_test.py]
    C --> C1[Standard: .to + .cmp files\nin centrallix/tests/]
    C --> C2[Native C: test_cat_NN.c\nlong long test char** name]
    D --> D1[C source: test_cat_NN.c\nin centrallix-lib/tests/]
    D --> D2[make valtest\nruns under Valgrind]
    D --> D3[--enable-coverage\ngcov/lcov support]
    E --> E1[node:test API\nrequires node 20+]
    F --> F1[Python + Selenium + ChromeDriver\nconfig.toml with server URL]

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%%{init: {'theme': 'base', 'themeVariables': {"darkMode": true, "background": "#0d1117", "primaryColor": "#21262d", "primaryTextColor": "#e6edf3", "primaryBorderColor": "#8b949e", "lineColor": "#8b949e", "textColor": "#e6edf3", "edgeLabelBackground": "#161b22", "actorBkg": "#21262d", "actorBorder": "#8b949e", "actorTextColor": "#e6edf3", "actorLineColor": "#8b949e", "signalColor": "#8b949e", "signalTextColor": "#e6edf3", "noteBkgColor": "#373320", "noteBorderColor": "#d4a72c", "noteTextColor": "#f0e6c0", "labelBoxBkgColor": "#21262d", "labelBoxBorderColor": "#8b949e", "labelTextColor": "#e6edf3", "loopTextColor": "#e6edf3", "activationBkgColor": "#30363d", "activationBorderColor": "#8b949e"}}}%%
flowchart TD
    A[Developer runs tests] --> B{Which suite?}
    B --> C[test-obj\nmake test in centrallix/]
    B --> D[centrallix-lib\nmake test in centrallix-lib/]
    B --> E[CXJS\nmake test-js in centrallix/]
    B --> F[Selenium UI\npython3 tests/xxx_test.py]
    C --> C1[Standard: .to + .cmp files\nin centrallix/tests/]
    C --> C2[Native C: test_cat_NN.c\nlong long test char** name]
    D --> D1[C source: test_cat_NN.c\nin centrallix-lib/tests/]
    D --> D2[make valtest\nruns under Valgrind]
    D --> D3[--enable-coverage\ngcov/lcov support]
    E --> E1[node:test API\nrequires node 20+]
    F --> F1[Python + Selenium + ChromeDriver\nconfig.toml with server URL]

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_{Reviews (4): Last reviewed commit: "Merge branch 'master' into doc-testing" | Re-trigger Greptile}

[Lightning11wins]

@greptileai I've resolved your comments, can you rereview? Remember, I'd like to make MINIMAL changes to that README file in centrallix/tests even though I now have changes there because it's outside the tight scope of this small documentation project.

[Lightning11wins]

Oops, forgot about the blocking issues in our questions thread. My bad.

[Lightning11wins]

The blockers have been resolved, proceeding to review.

[Lightning11wins]

This PR is ready for human review.

[Lightning11wins]

I think I'm going to document the test suite added in #128 here, even though it's not on master yet, since it'll probably be on master by the time this is reviewed, or at least soon afterword.

Edit: Done