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Henrik G. Olsson
f0946d8ed5
Extract the path-sanitization core (path normalization, shared argument definitions, replacement loop, and runtime-warning suppression) into a new swift_path_sanitize module so that both PathSanitizingFileCheck and a new PathSanitizingDiff front-end can share it. PathSanitizingDiff sanitizes stdin the same way and then compares the result against a reference file using diff, collapsing the `PathSanitizingFileCheck --dry-run > out; diff out expected` pattern into a single step (exposed as the %PathSanitizingDiff lit substitution). Similar to PathSanitizingFileCheck, PathSanitizingDiff takes input on stdin, a positional file argument (which is the reference file, instead of file to check for CHECK directives), and various sanitize options. Like diff, PathSanitizingDiff tests can be automatically updated to match the current behavior using lit's `--update-tests`, thanks to the accompanying lit plugin. Migrates a swiftify-import test to demonstrate the new form.
35 lines
1.7 KiB
Plaintext
35 lines
1.7 KiB
Plaintext
# Verify that PathSanitizingDiff writes its sanitized input to an output file in
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# the per-test temporary namespace, and that the update plugin (exercised here
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# through its standalone entry point) uses that output to repair the reference
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# file and the corresponding split-file slice of the test.
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#
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# The %PathSanitizingDiff substitution passes --temp-dir %t automatically. The
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# output is written only on a mismatch. When the temp dir is a directory the
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# output is placed inside it as "<basename>.actual"; otherwise it is a sibling
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# formed by prefixing with the temp dir.
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# RUN: %empty-directory(%t)
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# RUN: cp %S/Inputs/scratch.txt %t/scratch.txt
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# RUN: cp %S/Inputs/out.expected.stale %t/out.expected
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# RUN: echo 'new line' > %t/raw.txt
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# No output is written when the diff matches (feed the reference to itself).
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# RUN: %PathSanitizingDiff %t/out.expected < %t/out.expected
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# RUN: not ls %t/out.expected.actual
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# On a mismatch (wrapped in 'not') the output holds the sanitized would-be
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# result. %t is a directory, so it lands inside it as "out.expected.actual".
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# RUN: not %PathSanitizingDiff %t/out.expected < %t/raw.txt
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# RUN: %diff %t/out.expected.actual %t/raw.txt
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# When the temp dir is not a directory the output is a prefixed sibling. Here
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# an explicit --temp-dir overrides the one from the substitution.
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# RUN: not %PathSanitizingDiff --temp-dir %t/nodir %t/out.expected < %t/raw.txt
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# RUN: ls %t/nodir.out.expected.actual
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# Repair the test from the output; the reference file and the split-file slice
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# both take on the sanitized result.
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# RUN: %update-pathsanitizing-diff-tests %t/scratch.txt %t/out.expected --temp-dir %t --split-file-dir %t
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# RUN: %diff %t/scratch.txt %S/Inputs/scratch.expected
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# RUN: %diff %t/out.expected %t/raw.txt
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