thin-provisioning-tools/functional-tests/thin-functional-tests.scm

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(library
(thin-functional-tests)
(export register-thin-tests)
(import
(chezscheme)
(bcache block-manager)
(disk-units)
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(fmt fmt)
(functional-tests)
(process)
(scenario-string-constants)
(temp-file)
(thin xml)
(srfi s8 receive))
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(define-tool thin-check)
(define-tool thin-delta)
(define-tool thin-dump)
(define-tool thin-restore)
(define-tool thin-rmap)
(define-tool thin-repair)
(define-tool thin-metadata-pack)
(define-tool thin-metadata-unpack)
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(define-syntax with-thin-xml
(syntax-rules ()
((_ (v) b1 b2 ...)
(with-temp-file-containing ((v "thin.xml" (fmt #f (generate-xml 10 1000))))
b1 b2 ...))))
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(define-syntax with-valid-metadata
(syntax-rules ()
((_ (md) b1 b2 ...)
(with-temp-file-sized ((md "thin.bin" (meg 4)))
(with-thin-xml (xml)
(run-ok (thin-restore "-i" xml "-o" md))
b1 b2 ...)))))
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;;; It would be nice if the metadata was at least similar to valid data.
;;; Here I'm just using the start of the ls binary as 'random' data.
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(define-syntax with-corrupt-metadata
(syntax-rules ()
((_ (md) b1 b2 ...)
(with-temp-file-sized ((md "thin.bin" (meg 4)))
(system (fmt #f "dd if=/usr/bin/ls of=" md " bs=4096 > /dev/null 2>&1"))
b1 b2 ...))))
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(define-syntax with-empty-metadata
(syntax-rules ()
((_ (md) b1 b2 ...)
(with-temp-file-sized ((md "thin.bin" (meg 4)))
b1 b2 ...))))
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(define (damage-superblock md)
(system (string-append "dd if=/dev/zero of=" md " bs=4K count=1 conv=notrunc > /dev/null 2>&1")))
(define-syntax with-damaged-superblock
(syntax-rules ()
((_ (md) b1 b2 ...)
(with-valid-metadata (md)
(damage-superblock md)
b1 b2 ...))))
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;; We have to export something that forces all the initialisation expressions
;; to run.
(define (register-thin-tests) #t)
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;;;-----------------------------------------------------------
;;; thin_delta scenarios
;;;-----------------------------------------------------------
(define-scenario (thin-delta v)
"thin_delta accepts -V"
(run-ok-rcv (stdout _) (thin-delta "-V")
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(assert-equal tools-version stdout)))
(define-scenario (thin-delta version)
"thin_delta accepts --version"
(run-ok-rcv (stdout _) (thin-delta "--version")
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(assert-equal tools-version stdout)))
(define-scenario (thin-delta h)
"thin_delta accepts -h"
(run-ok-rcv (stdout _) (thin-delta "-h")
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(assert-equal thin-delta-help stdout)))
(define-scenario (thin-delta help)
"thin_delta accepts --help"
(run-ok-rcv (stdout _) (thin-delta "--help")
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(assert-equal thin-delta-help stdout)))
(define-scenario (thin-delta unrecognised-option)
"Unrecognised option should cause failure"
(with-valid-metadata (md)
(run-fail-rcv (stdout stderr) (thin-delta "--unleash-the-hedgehogs")
(assert-matches ".*thin_delta: unrecognized option '--unleash-the-hedgehogs" stderr))))
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(define-scenario (thin-delta snap1-unspecified)
"Fails without --snap1 fails"
(run-fail-rcv (_ stderr) (thin-delta "--snap2 45 foo")
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(assert-starts-with "--snap1 not specified." stderr)))
(define-scenario (thin-delta snap2-unspecified)
"Fails without --snap2 fails"
(run-fail-rcv (_ stderr) (thin-delta "--snap1 45 foo")
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(assert-starts-with "--snap2 not specified." stderr)))
(define-scenario (thin-delta device-unspecified)
"Fails if no device given"
(run-fail-rcv (_ stderr) (thin-delta "--snap1 45 --snap2 46")
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(assert-starts-with "No input device provided." stderr)))
;;;-----------------------------------------------------------
;;; thin_repair scenarios
;;;-----------------------------------------------------------
(define-scenario (thin-repair dont-repair-xml)
"Fails gracefully if run on XML rather than metadata"
(with-thin-xml (xml)
(with-empty-metadata (md)
(run-fail-rcv (_ stderr) (thin-repair "-i" xml "-o" md)
#t))))
(define-scenario (thin-repair missing-input-file)
"the input file can't be found"
(with-empty-metadata (md)
(run-fail-rcv (_ stderr) (thin-repair "-i no-such-file -o" md)
(assert-superblock-all-zeroes md)
(assert-starts-with "Couldn't stat file" stderr))))
(define-scenario (thin-repair garbage-input-file)
"the input file is just zeroes"
(with-empty-metadata (md1)
(with-corrupt-metadata (md2)
(run-fail-rcv (_ stderr) (thin-repair "-i " md1 "-o" md2)
(assert-superblock-all-zeroes md2)))))
(define-scenario (thin-repair missing-output-file)
"the output file can't be found"
(with-thin-xml (xml)
(run-fail-rcv (_ stderr) (thin-repair "-i " xml)
(assert-starts-with "No output file provided." stderr))))
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(define-scenario (thin-repair override transaction-id)
"thin_repair obeys the --transaction-id override"
(with-valid-metadata (md1)
(with-empty-metadata (md2)
(run-ok-rcv (stdout stderr) (thin-repair "--transaction-id 2345" "-i" md1 "-o" md2)
(assert-eof stderr))
(run-ok-rcv (stdout stderr) (thin-dump md2)
(assert-matches ".*transaction=\"2345\"" stdout)))))
(define-scenario (thin-repair override data-block-size)
"thin_repair obeys the --data-block-size override"
(with-valid-metadata (md1)
(with-empty-metadata (md2)
(run-ok-rcv (stdout stderr) (thin-repair "--data-block-size 8192" "-i" md1 "-o" md2)
(assert-eof stderr))
(run-ok-rcv (stdout stderr) (thin-dump md2)
(assert-matches ".*data_block_size=\"8192\"" stdout)))))
(define-scenario (thin-repair override nr-data-blocks)
"thin_repair obeys the --nr-data-blocks override"
(with-valid-metadata (md1)
(with-empty-metadata (md2)
(run-ok-rcv (stdout stderr) (thin-repair "--nr-data-blocks 234500" "-i" md1 "-o" md2)
(assert-eof stderr))
(run-ok-rcv (stdout stderr) (thin-dump md2)
(assert-matches ".*nr_data_blocks=\"234500\"" stdout)))))
(define-scenario (thin-repair superblock succeeds)
"thin_repair can restore a missing superblock"
(with-valid-metadata (md1)
(run-ok-rcv (expected-xml stderr) (thin-dump "--transaction-id=5" "--data-block-size=128" "--nr-data-blocks=4096000" md1)
(damage-superblock md1)
(with-empty-metadata (md2)
(run-ok-rcv (_ stderr) (thin-repair "--transaction-id=5" "--data-block-size=128" "--nr-data-blocks=4096000" "-i" md1 "-o" md2)
(assert-eof stderr))
(run-ok-rcv (repaired-xml stderr) (thin-dump md2)
(assert-eof stderr)
(assert-equal expected-xml repaired-xml))))))
(define-scenario (thin-repair superblock missing-transaction-id)
"--transaction-id is mandatory if the superblock is damaged"
(with-damaged-superblock (md1)
(with-empty-metadata (md2)
(run-fail-rcv (_ stderr) (thin-repair "--data-block-size=128" "--nr-data-blocks=4096000" "-i" md1 "-o" md2)
(assert-matches ".*transaction id.*" stderr)))))
(define-scenario (thin-repair superblock missing-data-block-size)
"--data-block-size is mandatory if the superblock is damaged"
(with-damaged-superblock (md1)
(with-empty-metadata (md2)
(run-fail-rcv (_ stderr) (thin-repair "--transaction-id=5" "--nr-data-blocks=4096000" "-i" md1 "-o" md2)
(assert-matches ".*data block size.*" stderr)))))
(define-scenario (thin-repair superblock missing-nr-data-blocks)
"--nr-data-blocks is mandatory if the superblock is damaged"
(with-damaged-superblock (md1)
(with-empty-metadata (md2)
(run-fail-rcv (_ stderr) (thin-repair "--transaction-id=5" "--data-block-size=128" "-i" md1 "-o" md2)
(assert-matches ".*nr data blocks.*" stderr)))))
;;;-----------------------------------------------------------
;;; thin_metadata_pack scenarios
;;;-----------------------------------------------------------
(define-scenario (thin-metadata-pack version)
"accepts --version"
(run-ok-rcv (stdout _) (thin-metadata-pack "--version")
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(assert-equal "thin_metadata_pack 0.9.0-rc2" stdout)))
(define-scenario (thin-metadata-pack h)
"accepts -h"
(run-ok-rcv (stdout _) (thin-metadata-pack "-h")
(assert-equal thin-metadata-pack-help stdout)))
(define-scenario (thin-metadata-pack help)
"accepts --help"
(run-ok-rcv (stdout _) (thin-metadata-pack "--help")
(assert-equal thin-metadata-pack-help stdout)))
(define-scenario (thin-metadata-pack unrecognised-option)
"Unrecognised option should cause failure"
(with-valid-metadata (md)
(run-fail-rcv (stdout stderr) (thin-metadata-pack "--unleash-the-hedgehogs")
(assert-starts-with "error: Found argument '--unleash-the-hedgehogs'" stderr))))
(define-scenario (thin-metadata-pack missing-input-file)
"the input file wasn't specified"
(with-empty-metadata (md)
(run-fail-rcv (_ stderr) (thin-metadata-pack "-o " md)
(assert-starts-with "error: The following required arguments were not provided:\n -i <DEV>" stderr))))
(define-scenario (thin-metadata-pack no-such-input-file)
"the input file can't be found"
(with-empty-metadata (md)
(run-fail-rcv (_ stderr) (thin-metadata-pack "-i no-such-file -o" md)
(assert-starts-with "Couldn't find input file" stderr))))
(define-scenario (thin-metadata-pack missing-output-file)
"the output file wasn't specified"
(with-empty-metadata (md)
(run-fail-rcv (_ stderr) (thin-metadata-pack "-i" md)
(assert-starts-with "error: The following required arguments were not provided:\n -o <FILE>" stderr))))
;;;-----------------------------------------------------------
;;; thin_metadata_unpack scenarios
;;;-----------------------------------------------------------
(define-scenario (thin-metadata-unpack version)
"accepts --version"
(run-ok-rcv (stdout _) (thin-metadata-unpack "--version")
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(assert-equal "thin_metadata_unpack 0.9.0-rc2" stdout)))
(define-scenario (thin-metadata-unpack h)
"accepts -h"
(run-ok-rcv (stdout _) (thin-metadata-unpack "-h")
(assert-equal thin-metadata-unpack-help stdout)))
(define-scenario (thin-metadata-unpack help)
"accepts --help"
(run-ok-rcv (stdout _) (thin-metadata-unpack "--help")
(assert-equal thin-metadata-unpack-help stdout)))
(define-scenario (thin-metadata-unpack unrecognised-option)
"Unrecognised option should cause failure"
(with-valid-metadata (md)
(run-fail-rcv (stdout stderr) (thin-metadata-unpack "--unleash-the-hedgehogs")
(assert-starts-with "error: Found argument '--unleash-the-hedgehogs'" stderr))))
(define-scenario (thin-metadata-unpack missing-input-file)
"the input file wasn't specified"
(with-empty-metadata (md)
(run-fail-rcv (_ stderr) (thin-metadata-unpack "-o " md)
(assert-starts-with "error: The following required arguments were not provided:\n -i <DEV>" stderr))))
(define-scenario (thin-metadata-unpack no-such-input-file)
"the input file can't be found"
(with-empty-metadata (md)
(run-fail-rcv (_ stderr) (thin-metadata-unpack "-i no-such-file -o" md)
(assert-starts-with "Couldn't find input file" stderr))))
(define-scenario (thin-metadata-unpack missing-output-file)
"the output file wasn't specified"
(with-empty-metadata (md)
(run-fail-rcv (_ stderr) (thin-metadata-unpack "-i" md)
(assert-starts-with "error: The following required arguments were not provided:\n -o <FILE>" stderr))))
(define-scenario (thin-metadata-unpack garbage-input-file)
"the input file is just zeroes"
(with-empty-metadata (bad-pack)
(run-fail-rcv (_ stderr) (thin-metadata-unpack "-i " bad-pack "-o junk")
(assert-starts-with "Not a pack file." stderr))))
;;;-----------------------------------------------------------
;;; thin_metadata_pack/unpack end to end scenario
;;;-----------------------------------------------------------)
(define-scenario (thin-metadata-pack end-to-end)
"pack -> unpack recovers metadata"
(let ((pack-file "md.pack"))
(with-valid-metadata (md-in)
(with-empty-metadata (md-out)
(run-ok (thin-metadata-pack "-i" md-in "-o" pack-file))
(run-ok (thin-metadata-unpack "-i" pack-file "-o" md-out))
(run-ok-rcv (dump1 _) (thin-dump md-in)
(run-ok-rcv (dump2 _) (thin-dump md-out)
(assert-equal dump1 dump2)))))))
)