fix(cli): reject a report path that is a directory - #1178
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A directory satisfies both -e and -w, so it passed the writability check and the run continued to the writer, which failed with a raw bash message naming a bashunit source file -- and still exited 0. The report was never written and CI stayed green, so a job publishing it found no file and nothing red to explain it. A missing parent directory was already caught, which is what made the gap easy to miss. Reject it in both writability checks, naming the actual mistake: 'cannot be written' sends the reader to permissions, and a directory is almost always a forgotten filename. Closes #1177
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🤔 Background
Related #1177
--report-junit build/(filename forgotten) passes validation, because adirectory satisfies both
-eand-w. The run then reaches the writer:and exits 0 — no report written, a message naming a bashunit source file
rather than the user's mistake, and CI green. A job publishing that report
finds no file and nothing red to explain it.
A missing parent directory was already caught properly, which is what made
this gap easy to miss.
💡 Changes
is a directory, not a file— "cannot be written" would send the reader to permissions--report-junit,--report-json,--report-html,--report-md,--log-junitand thebenchequivalents; normal paths still write