Add assertFilesMatch helper. NFC#27032
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dschuff
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May 29, 2026
| self.fail(fail_message) | ||
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| def assertFileContents(self, filename, contents): | ||
| def assertFileContents(self, filename, contents, tofile=None): |
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If we didn't reuse assertFileContents, we could just use the builtin filecmp module. This would be simple and maybe faster than reading both files into memory, perhaps at the cost of not being able to print actual diffs. Would that be desirable?
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I think I prefer to have the existing logic in place for nicely displaying diffs.
I don't think there is any perfermance issues since since we don't have any huge files checked in at all. They all measured in kb.
dschuff
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May 29, 2026
This works just like the `assertFileContents` but take two filenames.
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This works just like the
assertFileContentsbut take two filenames. The advantage of this appoach is that the caller does not need to read the file into memory and the filename is not lost (i.e. it can be shown accurately in the diff)