forked from DGNum/liminix
140 lines
4 KiB
Fennel
140 lines
4 KiB
Fennel
(local { : database } (require :devout))
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(local { : view } (require :fennel))
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(import-macros { : expect= } :anoia.assert)
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(var failed false)
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(fn fail [d msg] (set failed true) (print :FAIL d (.. "\n" msg)))
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(macro example [description & body]
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(if (. body 1)
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`(let [(ok?# err#) (xpcall (fn [] ,body) debug.traceback)]
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(if ok?#
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(print :PASS ,description)
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(fail ,description err#)))
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`(print :PENDING ,description)))
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(example
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"given an empty database, searching it finds no entries"
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(let [db (database)]
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(expect= (db:find {:partname "boot"}) [])))
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(local sda-uevent
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"add@/devices/pci0000:00/0000:00:13.0/usb1/1-1/1-1:1.0/host0/target0:0:0/0:0:0:0/block/sda\0ACTION=add
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DEVPATH=/devices/pci0000:00/0000:00:13.0/usb1/1-1/1-1:1.0/host0/target0:0:0/0:0:0:0/block/sda
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SUBSYSTEM=block
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MAJOR=8
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MINOR=0
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DEVNAME=sda
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DEVTYPE=disk
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DISKSEQ=2
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SEQNUM=1527")
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(local sdb1-insert
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"add@/devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.0/host1/target1:0:0/1:0:0:0/block/sdb/sdb1\0ACTION=add
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DEVPATH=/devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.0/host1/target1:0:0/1:0:0:0/block/sdb/sdb1
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SUBSYSTEM=block
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DEVNAME=/dev/sdb1
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DEVTYPE=partition
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DISKSEQ=33
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PARTN=1
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SEQNUM=82381
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MAJOR=8
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MINOR=17")
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(local sdb1-remove
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"remove@/devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.0/host1/target1:0:0/1:0:0:0/block/sdb/sdb1\0ACTION=remove
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DEVPATH=/devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.0/host1/target1:0:0/1:0:0:0/block/sdb/sdb1
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SUBSYSTEM=block
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DEVNAME=/dev/sdb1
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DEVTYPE=partition
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DISKSEQ=33
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PARTN=1
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SEQNUM=82386
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MAJOR=8
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MINOR=17")
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(example
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"when I add a device, I can find it"
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(let [db (database)]
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(db:add sda-uevent)
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(let [[m & more] (db:find {:devname "sda"})]
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(expect= m.devname "sda")
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(expect= m.major "8")
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(expect= more []))))
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(example
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"when I add a device, I cannot find it with wrong terms"
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(let [db (database)]
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(db:add sda-uevent)
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(expect= (db:find {:devname "sdb"}) [])))
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(example
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"when I add a device, I can retrieve it by path"
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(let [db (database)]
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(db:add sda-uevent)
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(let [m (db:at-path "/devices/pci0000:00/0000:00:13.0/usb1/1-1/1-1:1.0/host0/target0:0:0/0:0:0:0/block/sda")]
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(expect= m.devname "sda")
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(expect= m.major "8"))))
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(example
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"when I add and then remove a device, I cannot retrieve it by path"
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(let [db (database)]
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(db:add sdb1-insert)
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(db:add sdb1-remove)
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(expect= (db:at-path "/devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.0/host1/target1:0:0/1:0:0:0/block/sdb/sdb1") nil)))
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(example
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"when I add and then remove a device, I cannot find it"
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(let [db (database)]
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(db:add sdb1-insert)
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(db:add sda-uevent)
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(db:add sdb1-remove)
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(expect= (db:find {:devname "/dev/sdb1"}) [])))
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(example
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"when I search on multiple terms it uses all of them"
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(let [db (database)]
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(db:add sda-uevent)
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(expect= (# (db:find {:devname "sda" :devtype "disk"})) 1)
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(expect= (# (db:find {:devname "sda" :devtype "dosk"})) 0)))
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;;; tests for indices
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(example "when I add a device with $attributes major minor foo bar baz,
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it is added to indices for foo bar baz but not major minor")
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(example "a removed device can no longer be found by looking in any index")
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(example "when I query with multiple attributes, the search is performed using the most specific attribute"
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;; (= the attribute whose
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;; value at this key has fewest elements)
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)
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;;; tests for subscriptions
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(example
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"I can subscribe to some search terms and be notified of matching events"
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(var received [])
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(let [db (database)
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subscriber (fn [e] (table.insert received e))]
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(db:subscribe :me subscriber {:devname "/dev/sdb1"})
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(db:add sdb1-insert)
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(db:add sda-uevent)
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(db:add sdb1-remove)
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(expect= (# received) 2)))
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(example
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"I can unsubscribe after subscribing"
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(var received [])
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(let [db (database)
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subscriber (fn [e] (table.insert received e))]
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(db:subscribe :me subscriber {:devname "/dev/sdb1"})
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(db:unsubscribe :me)
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(db:add sdb1-insert)
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(db:add sda-uevent)
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(db:add sdb1-remove)
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(expect= (# received) 0)))
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(if failed (os.exit 1) (print "OK"))
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