thin-provisioning-tools/functional-tests/cache-functional-tests.scm
2021-09-22 17:07:56 +08:00

134 lines
4.9 KiB
Scheme

(library
(cache-functional-tests)
(export register-cache-tests)
(import (chezscheme)
(disk-units)
(functional-tests)
(cache-xml)
(fmt fmt)
(process)
(scenario-string-constants)
(temp-file)
(srfi s8 receive))
(define-tool cache-check)
(define-tool cache-dump)
(define-tool cache-restore)
(define-tool cache-metadata-size)
(define-tool cache-repair)
(define-syntax with-cache-xml
(syntax-rules ()
((_ (v) b1 b2 ...)
(with-temp-file-containing ((v "cache.xml" (fmt #f (generate-xml 512 1024 128))))
b1 b2 ...))))
(define-syntax with-valid-metadata
(syntax-rules ()
((_ (md) b1 b2 ...)
(with-temp-file-sized ((md "cache.bin" (to-bytes (meg 4))))
(with-cache-xml (xml)
(run-ok (cache-restore "-i" xml "-o" md))
b1 b2 ...)))))
;;; It would be nice if the metadata was at least similar to valid data.
(define-syntax with-corrupt-metadata
(syntax-rules ()
((_ (md) b1 b2 ...)
(with-temp-file-sized ((md "cache.bin" (to-bytes (meg 4))))
(system (fmt #f "dd if=/usr/bin/ls of=" md " bs=4096 > /dev/null 2>&1"))
b1 b2 ...))))
(define-syntax with-empty-metadata
(syntax-rules ()
((_ (md) b1 b2 ...)
(with-temp-file-sized ((md "cache.bin" (to-bytes (meg 4))))
b1 b2 ...))))
;; We have to export something that forces all the initialisation expressions
;; to run.
(define (register-cache-tests) #t)
;;;-----------------------------------------------------------
;;; cache_dump scenarios
;;;-----------------------------------------------------------
(define-scenario (cache-dump small-input-file)
"Fails with small input file"
(with-temp-file-sized ((md "cache.bin" 512))
(run-fail
(cache-dump md))))
;;;-----------------------------------------------------------
;;; cache_metadata_size scenarios
;;;-----------------------------------------------------------
(define-scenario (cache-metadata-size v)
"cache_metadata_size -V"
(run-ok-rcv (stdout _) (cache-metadata-size "-V")
(assert-equal tools-version stdout)))
(define-scenario (cache-metadata-size version)
"cache_metadata_size --version"
(run-ok-rcv (stdout _) (cache-metadata-size "--version")
(assert-equal tools-version stdout)))
(define-scenario (cache-metadata-size h)
"cache_metadata_size -h"
(run-ok-rcv (stdout _) (cache-metadata-size "-h")
(assert-equal cache-metadata-size-help stdout)))
(define-scenario (cache-metadata-size help)
"cache_metadata_size --help"
(run-ok-rcv (stdout _) (cache-metadata-size "--help")
(assert-equal cache-metadata-size-help stdout)))
(define-scenario (cache-metadata-size no-args)
"No arguments specified causes fail"
(run-fail-rcv (_ stderr) (cache-metadata-size)
(assert-equal "Please specify either --device-size and --block-size, or --nr-blocks."
stderr)))
(define-scenario (cache-metadata-size device-size-only)
"Just --device-size causes fail"
(run-fail-rcv (_ stderr) (cache-metadata-size "--device-size" (to-bytes (meg 100)))
(assert-equal "If you specify --device-size you must also give --block-size."
stderr)))
(define-scenario (cache-metadata-size block-size-only)
"Just --block-size causes fail"
(run-fail-rcv (_ stderr) (cache-metadata-size "--block-size" 128)
(assert-equal "If you specify --block-size you must also give --device-size."
stderr)))
(define-scenario (cache-metadata-size conradictory-info-fails)
"Contradictory info causes fail"
(run-fail-rcv (_ stderr) (cache-metadata-size "--device-size 102400 --block-size 1000 --nr-blocks 6")
(assert-equal "Contradictory arguments given, --nr-blocks doesn't match the --device-size and --block-size."
stderr)))
(define-scenario (cache-metadata-size all-args-agree)
"All args agreeing succeeds"
(run-ok-rcv (stdout stderr) (cache-metadata-size "--device-size" 102400 "--block-size" 100 "--nr-blocks" 1024)
(assert-equal "8248 sectors" stdout)
(assert-eof stderr)))
(define-scenario (cache-metadata-size nr-blocks-alone)
"Just --nr-blocks succeeds"
(run-ok-rcv (stdout stderr) (cache-metadata-size "--nr-blocks" 1024)
(assert-equal "8248 sectors" stdout)
(assert-eof stderr)))
(define-scenario (cache-metadata-size dev-size-and-block-size-succeeds)
"Specifying --device-size with --block-size succeeds"
(run-ok-rcv (stdout stderr) (cache-metadata-size "--device-size" 102400 "--block-size" 100)
(assert-equal "8248 sectors" stdout)
(assert-eof stderr)))
(define-scenario (cache-metadata-size big-config)
"A big configuration succeeds"
(run-ok-rcv (stdout stderr) (cache-metadata-size "--nr-blocks 67108864")
(assert-equal "3678208 sectors" stdout)
(assert-eof stderr)))
)