[clang-tools-extra] [llvm] [clang-doc] Add basic e2e test (PR #93928)

[via cfe-commits]

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@@ -69,8 +70,15 @@
 clang_tidy_headers = os.path.join(
     config.test_source_root, "clang-tidy", "checkers", "Inputs", "Headers"
 )
+
 config.substitutions.append(("%clang_tidy_headers", clang_tidy_headers))
 
+clang_doc_install = os.path.join(
+    os.path.dirname(shutil.which("clang-doc")), "..", "share", "clang"
+)
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PeterChou1 wrote:

I will note that currently there isn't a mechanism to pass another default stylesheet to the clang-doc the option               --stylesheets=<string> in clang-doc only extends the css stylesheet but still requires default stylesheet to be present.
I was trying to find a ways to copy the asset via the lit command line but i can't seem to do it

https://github.com/llvm/llvm-project/pull/93928