gitutils: add diffStrings, diffFiles, and use it in testament to compare expected vs gotten (#17892)
* gitutils: add diffStrings, diffFiles, and use it in testament to compare expected vs gotten * refactor with createTempDir * cleanup * refacotr * PRTEMP fake test spec changes to show effect of diffStrings * add runnableExamples for experimental/diff + cross-reference with gitutils * Revert "PRTEMP fake test spec changes to show effect of diffStrings" This reverts commit 57dc8d642dce6c1127c98b7cbc9edbfe747d4047.
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8 changed files with 99 additions and 52 deletions
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@ -665,8 +665,8 @@ proc runJoinedTest(r: var TResults, cat: Category, testsDir: string, options: st
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if buf != outputExpected:
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writeFile(outputExceptedFile, outputExpected)
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discard execShellCmd("diff -uNdr $1 $2" % [outputExceptedFile, outputGottenFile])
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echo failString & "megatest output different!"
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echo diffFiles(outputGottenFile, outputExceptedFile).output
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echo failString & "megatest output different, see $1 vs $2" % [outputGottenFile, outputExceptedFile]
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# outputGottenFile, outputExceptedFile not removed on purpose for debugging.
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quit 1
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else:
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