mirror of
https://github.com/janet-lang/janet
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90018b35c0
- `:file-name` for the name of the file that triggered the event. - `:dir-name` for the containing directory of the file - `:type` for the event type.
205 lines
6.1 KiB
Plaintext
205 lines
6.1 KiB
Plaintext
# Copyright (c) 2024 Calvin Rose & contributors
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to
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# deal in the Software without restriction, including without limitation the
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# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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# sell copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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(import ./helper :prefix "" :exit true)
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(start-suite)
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(assert true)
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(def chan (ev/chan 1000))
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(def is-win (or (= :mingw (os/which)) (= :windows (os/which))))
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(def is-linux (= :linux (os/which)))
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# If not supported, exit early
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(def [supported msg] (protect (filewatch/new chan)))
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(when (and (not supported) (string/find "filewatch not supported" msg))
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(end-suite)
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(quit))
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# Test GC
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(assert-no-error "filewatch/new" (filewatch/new chan))
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(gccollect)
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(defn- expect
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[key value & more-kvs]
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(ev/with-deadline
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1
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(def event (ev/take chan))
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(when is-verbose (pp event))
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(assert event "check event")
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(assert (= value (get event key)) (string/format "got %p, expected %p" (get event key) value))
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(when (next more-kvs)
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(each [k v] (partition 2 more-kvs)
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(assert (= v (get event k)) (string/format "got %p, expected %p" (get event k) v))))))
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(defn- expect-empty
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[]
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(assert (zero? (ev/count chan)) "channel check empty")
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(ev/sleep 0) # turn the event loop
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(assert (zero? (ev/count chan)) "channel check empty")
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# Drain if not empty, help with failures after this
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(while (pos? (ev/count chan)) (printf "extra: %p" (ev/take chan))))
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(defn- expect-maybe
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"On wine + mingw, we get an extra event. This is a wine peculiarity."
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[key value]
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(ev/with-deadline
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1
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(ev/sleep 0)
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(when (pos? (ev/count chan))
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(def event (ev/take chan))
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(when is-verbose (pp event))
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(assert event "check event")
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(assert (= value (get event key)) (string/format "got %p, expected %p" (get event key) value)))))
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(defn spit-file
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[dir name]
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(def path (string dir "/" name))
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(spit path "test text"))
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# Different operating systems report events differently. While it would be nice to
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# normalize this, each system has very large limitations in what can be reported when
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# compared with other systems. As such, the maximum subset of common functionality here
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# is quite small. Instead, test the capabilities of each system.
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# Create a file watcher on two test directories
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(def fw (filewatch/new chan))
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(def td1 (randdir))
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(def td2 (randdir))
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(def td3 (randdir))
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(rmrf td1)
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(rmrf td2)
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(os/mkdir td1)
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(os/mkdir td2)
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(os/mkdir td3)
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(spit-file td3 "file3.txt")
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(when is-win
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(filewatch/add fw td1 :last-write :last-access :file-name :dir-name :size :attributes :recursive)
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(filewatch/add fw td2 :last-write :last-access :file-name :dir-name :size :attributes))
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(when is-linux
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(filewatch/add fw (string td3 "/file3.txt") :close-write :create :delete)
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(filewatch/add fw td1 :close-write :create :delete)
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(filewatch/add fw td2 :close-write :create :delete :ignored))
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(assert-no-error "filewatch/listen no error" (filewatch/listen fw))
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#
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# Windows file writing
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#
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(when is-win
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(spit-file td1 "file1.txt")
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(expect :type :added :file-name "file1.txt" :dir-name td1)
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(expect :type :modified)
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(expect-maybe :type :modified) # for mingw + wine
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(gccollect)
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(spit-file td1 "file1.txt")
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(expect :type :modified)
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(expect :type :modified)
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(expect-empty)
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(gccollect)
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# Check td2
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(spit-file td2 "file2.txt")
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(expect :type :added)
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(expect :type :modified)
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(expect-maybe :type :modified)
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# Remove a file, then wait for remove event
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(rmrf (string td1 "/file1.txt"))
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(expect :type :removed)
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(expect-empty)
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# Unlisten to some events
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(filewatch/remove fw td2)
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# Check that we don't get anymore events from test directory 2
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(spit-file td2 "file2.txt")
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(expect-empty)
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# Repeat and things should still work with test directory 1
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(spit-file td1 "file1.txt")
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(expect :type :added)
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(expect :type :modified)
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(expect-maybe :type :modified)
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(gccollect)
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(spit-file td1 "file1.txt")
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(expect :type :modified)
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(expect :type :modified)
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(expect-maybe :type :modified)
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(gccollect))
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#
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# Linux file writing
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#
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(when is-linux
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(spit-file td1 "file1.txt")
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(expect :type :create :file-name "file1.txt" :dir-name td1)
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(expect :type :close-write)
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(expect-empty)
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(gccollect)
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(spit-file td1 "file1.txt")
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(expect :type :close-write)
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(expect-empty)
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(gccollect)
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# Check file3.txt
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(spit-file td3 "file3.txt")
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(expect :type :close-write :file-name "file3.txt" :dir-name td3)
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(expect-empty)
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# Check td2
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(spit-file td2 "file2.txt")
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(expect :type :create)
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(expect :type :close-write)
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(expect-empty)
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# Remove a file, then wait for remove event
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(rmrf (string td1 "/file1.txt"))
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(expect :type :delete)
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(expect-empty)
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# Unlisten to some events
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(filewatch/remove fw td2)
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(expect :type :ignored)
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(expect-empty)
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# Check that we don't get anymore events from test directory 2
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(spit-file td2 "file2.txt")
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(expect-empty)
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# Repeat and things should still work with test directory 1
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(spit-file td1 "file1.txt")
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(expect :type :create)
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(expect :type :close-write)
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(expect-empty)
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(gccollect)
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(spit-file td1 "file1.txt")
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(expect :type :close-write)
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(expect-empty)
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(gccollect))
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(assert-no-error "filewatch/unlisten no error" (filewatch/unlisten fw))
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(assert-no-error "cleanup 1" (rmrf td1))
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(assert-no-error "cleanup 2" (rmrf td2))
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(assert-no-error "cleanup 3" (rmrf td3))
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(end-suite)
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