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[functional-tests] Add some cache_check tests

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Joe Thornber 2017-08-17 16:26:15 +01:00
parent b5d27e2a0c
commit d142fbe0a5
1 changed files with 122 additions and 0 deletions
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functional-tests/cache-functional-tests.scm Normal file
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(library
(cache-functional-tests)
(export register-cache-tests)
(import (chezscheme)
(functional-tests)
(cache-xml)
(fmt fmt)
(srfi s8 receive))
(define-tool cache-check)
(define-tool cache-dump)
(define-tool cache-restore)
(define-tool cache-metadata-size)
(define (current-metadata) "metadata.bin")
(define (temp-cache-xml)
(temp-file-containing (fmt #f (generate-xml 512 1024 128))))
(define (%with-valid-metadata thunk)
(cache-restore "-i" (temp-cache-xml) "-o" (current-metadata))
(thunk))
(define-syntax with-valid-metadata
(syntax-rules ()
((_ body ...)
(%with-valid-metadata (lambda () body ...)))))
;;; It would be nice if the metadata was at least similar to valid data.
(define (%with-corrupt-metadata thunk)
(run-ok "dd if=/dev/zero" (fmt #f "of=" (current-metadata)) "bs=64M count=1")
(thunk))
(define-syntax with-corrupt-metadata
(syntax-rules ()
((_ body ...) (%with-corrupt-metadata (lambda () body ...)))))
;; We have to export something that forces all the initialisation expressions
;; to run.
(define (register-cache-tests) #t)
(define cache-check-help
"Usage: cache_check [options] {device|file}
Options:
{-q|--quiet}
{-h|--help}
{-V|--version}
{--clear-needs-check-flag}
{--super-block-only}
{--skip-mappings}
{--skip-hints}
{--skip-discards}")
;;;-----------------------------------------------------------
;;; cache_check scenarios
;;;-----------------------------------------------------------
(define-scenario (cache-check v)
"cache_check -V"
(receive (stdout _) (cache-check "-V")
(assert-equal tools-version stdout)))
(define-scenario (cache-check version)
"cache_check --version"
(receive (stdout _) (cache-check "--version")
(assert-equal tools-version stdout)))
(define-scenario (cache-check h)
"cache_check -h"
(receive (stdout _) (cache-check "-h")
(assert-equal cache-check-help stdout)))
(define-scenario (cache-check help)
"cache_check --help"
(receive (stdout _) (cache-check "--help")
(assert-equal cache-check-help stdout)))
(define-scenario (cache-check must-specify-metadata)
"Metadata file must be specified"
(receive (_ stderr) (run-fail "cache_check")
(assert-equal
(string-append "No input file provided.\n"
cache-check-help)
stderr)))
(define-scenario (cache-check no-such-metadata)
"Metadata file doesn't exist."
(let ((bad-path "/arbitrary/filename"))
(receive (_ stderr) (run-fail "cache_check" bad-path)
(assert-starts-with
(string-append bad-path ": No such file or directory")
stderr))))
(define-scenario (cache-check metadata-file-cannot-be-a-directory)
"Metadata file must not be a directory"
(let ((bad-path "/tmp"))
(receive (_ stderr) (run-fail "cache_check" bad-path)
(assert-starts-with
(string-append bad-path ": Not a block device or regular file")
stderr))))
#|
(define-scenario (cache-check unreadable-metadata)
"Metadata file exists, but is unreadable."
(with-valid-metadata
(run-ok "chmod" "-r" (current-metadata))
(receive (_ stderr) (run-fail "cache_check" (current-metadata))
(assert-starts-with "syscall 'open' failed: Permission denied" stderr))))
|#
(define-scenario (cache-check fails-with-corrupt-metadata)
"Fail with corrupt superblock"
(with-corrupt-metadata
(run-fail "cache_check" (current-metadata))))
(define-scenario (cache-check failing-q)
"Fail quietly with -q"
(with-corrupt-metadata
(receive (stdout stderr) (run-fail "cache_check" "-q" (current-metadata))
(assert-eof stdout)
(assert-eof stderr))))
)