323 lines
11 KiB
Scheme
323 lines
11 KiB
Scheme
(library
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(thin-functional-tests)
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(export register-thin-tests)
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(import
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(chezscheme)
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(bcache block-manager)
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(disk-units)
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(fmt fmt)
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(functional-tests)
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(process)
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(scenario-string-constants)
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(temp-file)
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(thin xml)
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(srfi s8 receive))
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(define-tool thin-check)
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(define-tool thin-delta)
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(define-tool thin-dump)
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(define-tool thin-restore)
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(define-tool thin-rmap)
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(define-tool thin-repair)
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(define-syntax with-thin-xml
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(syntax-rules ()
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((_ (v) b1 b2 ...)
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(with-temp-file-containing ((v "thin.xml" (fmt #f (generate-xml 10 1000))))
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b1 b2 ...))))
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(define-syntax with-valid-metadata
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(syntax-rules ()
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((_ (md) b1 b2 ...)
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(with-temp-file-sized ((md "thin.bin" (meg 4)))
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(with-thin-xml (xml)
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(thin-restore "-i" xml "-o" md)
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b1 b2 ...)))))
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;;; It would be nice if the metadata was at least similar to valid data.
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(define-syntax with-corrupt-metadata
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(syntax-rules ()
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((_ (md) b1 b2 ...)
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(with-temp-file-sized ((md "thin.bin" (meg 4)))
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b1 b2 ...))))
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(define-syntax with-empty-metadata
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(syntax-rules ()
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((_ (md) b1 b2 ...)
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(with-temp-file-sized ((md "thin.bin" (meg 4)))
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b1 b2 ...))))
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;; We have to export something that forces all the initialisation expressions
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;; to run.
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(define (register-thin-tests) #t)
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;;;-----------------------------------------------------------
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;;; thin_check scenarios
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;;;-----------------------------------------------------------
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(define-scenario (thin-check v)
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"thin_check -V"
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(receive (stdout _) (thin-check "-V")
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(assert-equal tools-version stdout)))
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(define-scenario (thin-check version)
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"thin_check --version"
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(receive (stdout _) (thin-check "--version")
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(assert-equal tools-version stdout)))
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(define-scenario (thin-check h)
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"print help (-h)"
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(receive (stdout _) (thin-check "-h")
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(assert-equal thin-check-help stdout)))
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(define-scenario (thin-check help)
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"print help (--help)"
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(receive (stdout _) (thin-check "--help")
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(assert-equal thin-check-help stdout)))
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(define-scenario (thin-check bad-option)
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"Unrecognised option should cause failure"
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(run-fail "thin_check --hedgehogs-only"))
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(define-scenario (thin-check superblock-only-valid)
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"--super-block-only check passes on valid metadata"
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(with-valid-metadata (md)
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(thin-check "--super-block-only" md)))
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(define-scenario (thin-check superblock-only-invalid)
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"--super-block-only check fails with corrupt metadata"
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(with-corrupt-metadata (md)
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(run-fail "thin_check --super-block-only" md)))
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(define-scenario (thin-check skip-mappings-valid)
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"--skip-mappings check passes on valid metadata"
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(with-valid-metadata (md)
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(thin-check "--skip-mappings" md)))
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(define-scenario (thin-check ignore-non-fatal-errors)
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"--ignore-non-fatal-errors check passes on valid metadata"
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(with-valid-metadata (md)
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(thin-check "--ignore-non-fatal-errors" md)))
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(define-scenario (thin-check quiet)
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"--quiet should give no output"
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(with-valid-metadata (md)
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(receive (stdout stderr) (thin-check "--quiet" md)
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(assert-eof stdout)
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(assert-eof stderr))))
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(define-scenario (thin-check clear-needs-check-flag)
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"Accepts --clear-needs-check-flag"
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(with-valid-metadata (md)
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(thin-check "--clear-needs-check-flag" md)))
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(define-scenario (thin-check tiny-metadata)
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"Prints helpful message in case XML metadata given"
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(with-thin-xml (xml)
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(receive (_ stderr) (run-fail "thin_check" xml)
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(assert-starts-with "Metadata device/file too small. Is this binary metadata?" stderr))))
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(define-scenario (thin-check spot-accidental-xml-data)
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"Prints helpful message if XML metadata given"
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(with-thin-xml (xml)
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(system (fmt #f "man bash >> " xml))
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(receive (_ stderr) (run-fail "thin_check" xml)
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(assert-matches ".*This looks like XML. thin_check only checks the binary metadata format." stderr))))
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;;;-----------------------------------------------------------
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;;; thin_restore scenarios
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;;;-----------------------------------------------------------
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(define-scenario (thin-restore print-version-v)
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"print help (-V)"
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(receive (stdout _) (thin-restore "-V")
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(assert-equal tools-version stdout)))
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(define-scenario (thin-restore print-version-long)
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"print help (--version)"
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(receive (stdout _) (thin-restore "--version")
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(assert-equal tools-version stdout)))
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(define-scenario (thin-restore h)
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"print help (-h)"
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(receive (stdout _) (thin-restore "-h")
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(assert-equal thin-restore-help stdout)))
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(define-scenario (thin-restore help)
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"print help (-h)"
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(receive (stdout _) (thin-restore "--help")
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(assert-equal thin-restore-help stdout)))
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(define-scenario (thin-restore no-input-file)
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"forget to specify an input file"
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(with-empty-metadata (md)
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(receive (_ stderr) (run-fail "thin_restore" "-o" md)
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(assert-starts-with "No input file provided." stderr))))
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(define-scenario (thin-restore missing-input-file)
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"the input file can't be found"
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(with-empty-metadata (md)
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(receive (_ stderr) (run-fail "thin_restore -i no-such-file -o" md)
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(assert-superblock-untouched md)
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(assert-starts-with "Couldn't stat file" stderr))))
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(define-scenario (thin-restore garbage-input-file)
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"the input file is just zeroes"
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(with-empty-metadata (md)
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(with-temp-file-sized ((xml "thin.xml" 4096))
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(receive (_ stderr) (run-fail "thin_restore -i " xml "-o" md)
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(assert-superblock-untouched md)))))
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(define-scenario (thin-restore missing-output-file)
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"the output file can't be found"
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(with-thin-xml (xml)
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(receive (_ stderr) (run-fail "thin_restore -i " xml)
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(assert-starts-with "No output file provided." stderr))))
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(define-scenario (thin-restore tiny-output-file)
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"Fails if the output file is too small."
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(with-temp-file-sized ((md "thin.bin" 4096))
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(with-thin-xml (xml)
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(receive (_ stderr) (run-fail "thin_restore" "-i" xml "-o" md)
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(assert-starts-with thin-restore-outfile-too-small-text stderr)))))
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(define-scenario (thin-restore q)
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"thin_restore accepts -q"
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(with-empty-metadata (md)
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(with-thin-xml (xml)
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(receive (stdout _) (thin-restore "-i" xml "-o" md "-q")
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(assert-eof stdout)))))
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(define-scenario (thin-restore quiet)
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"thin_restore accepts --quiet"
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(with-empty-metadata (md)
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(with-thin-xml (xml)
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(receive (stdout _) (thin-restore "-i" xml "-o" md "--quiet")
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(assert-eof stdout)))))
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;;;-----------------------------------------------------------
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;;; thin_dump scenarios
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;;;-----------------------------------------------------------
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(define-scenario (thin-dump small-input-file)
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"Fails with small input file"
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(with-temp-file-sized ((md "thin.bin" 512))
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(run-fail "thin_dump" md)))
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(define-scenario (thin-dump restore-is-noop)
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"thin_dump followed by thin_restore is a noop."
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(with-valid-metadata (md)
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(receive (d1-stdout _) (thin-dump md)
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(with-temp-file-containing ((xml "thin.xml" d1-stdout))
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(thin-restore "-i" xml "-o" md)
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(receive (d2-stdout _) (thin-dump md)
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(assert-equal d1-stdout d2-stdout))))))
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;;;-----------------------------------------------------------
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;;; thin_rmap scenarios
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;;;-----------------------------------------------------------
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(define-scenario (thin-rmap v)
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"thin_rmap accepts -V"
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(receive (stdout _) (thin-rmap "-V")
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(assert-equal tools-version stdout)))
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(define-scenario (thin-rmap version)
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"thin_rmap accepts --version"
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(receive (stdout _) (thin-rmap "--version")
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(assert-equal tools-version stdout)))
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(define-scenario (thin-rmap h)
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"thin_rmap accepts -h"
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(receive (stdout _) (thin-rmap "-h")
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(assert-equal thin-rmap-help stdout)))
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(define-scenario (thin-rmap help)
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"thin_rmap accepts --help"
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(receive (stdout _) (thin-rmap "--help")
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(assert-equal thin-rmap-help stdout)))
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(define-scenario (thin-rmap unrecognised-flag)
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"thin_rmap complains with bad flags."
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(run-fail "thin_rmap --unleash-the-hedgehogs"))
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(define-scenario (thin-rmap valid-region-format-should-pass)
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"thin_rmap with a valid region format should pass."
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(with-valid-metadata (md)
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(thin-rmap "--region 23..7890" md)))
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(define-scenario (thin-rmap invalid-region-should-fail)
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"thin_rmap with an invalid region format should fail."
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(for-each (lambda (pattern)
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(with-valid-metadata (md)
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(run-fail "thin_rmap --region" pattern md)))
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'("23,7890" "23..six" "found..7890" "89..88" "89..89" "89.." "" "89...99")))
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(define-scenario (thin-rmap multiple-regions-should-pass)
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"thin_rmap should handle multiple regions."
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(with-valid-metadata (md)
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(thin-rmap "--region 1..23 --region 45..78" md)))
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(define-scenario (thin-rmap handles-junk-input)
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"Fail gracefully if given nonsense"
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(with-thin-xml (xml)
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(receive (_ stderr) (run-fail "thin_rmap --region 0..-1" xml)
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#t)))
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;;;-----------------------------------------------------------
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;;; thin_delta scenarios
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;;;-----------------------------------------------------------
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(define-scenario (thin-delta v)
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"thin_delta accepts -V"
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(receive (stdout _) (thin-delta "-V")
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(assert-equal tools-version stdout)))
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(define-scenario (thin-delta version)
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"thin_delta accepts --version"
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(receive (stdout _) (thin-delta "--version")
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(assert-equal tools-version stdout)))
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(define-scenario (thin-delta h)
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"thin_delta accepts -h"
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(receive (stdout _) (thin-delta "-h")
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(assert-equal thin-delta-help stdout)))
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(define-scenario (thin-delta help)
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"thin_delta accepts --help"
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(receive (stdout _) (thin-delta "--help")
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(assert-equal thin-delta-help stdout)))
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(define-scenario (thin-delta unrecognised-option)
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"Unrecognised option should cause failure"
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(with-valid-metadata (md)
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(receive (stdout stderr) (run-fail "thin_delta --unleash-the-hedgehogs")
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(assert-starts-with "thin_delta: unrecognized option '--unleash-the-hedgehogs" stderr))))
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(define-scenario (thin-delta snap1-unspecified)
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"Fails without --snap1 fails"
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(receive (_ stderr) (run-fail "thin_delta --snap2 45 foo")
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(assert-starts-with "--snap1 not specified." stderr)))
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(define-scenario (thin-delta snap2-unspecified)
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"Fails without --snap2 fails"
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(receive (_ stderr) (run-fail "thin_delta --snap1 45 foo")
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(assert-starts-with "--snap2 not specified." stderr)))
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(define-scenario (thin-delta device-unspecified)
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"Fails if no device given"
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(receive (_ stderr) (run-fail "thin_delta --snap1 45 --snap2 46")
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(assert-starts-with "No input device provided." stderr)))
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;;;-----------------------------------------------------------
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;;; thin_repair scenarios
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;;;-----------------------------------------------------------
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(define-scenario (thin-repair dont-repair-xml)
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"Fails gracefully if run on XML rather than metadata"
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(with-thin-xml (xml)
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(with-empty-metadata (md)
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(receive (_ stderr) (run-fail "thin_repair -i " xml "-o" md)
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#t))))
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)
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