124 lines
3.2 KiB
Nim
124 lines
3.2 KiB
Nim
# Chronos Test Suite
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# (c) Copyright 2018-Present
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# Status Research & Development GmbH
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#
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# Licensed under either of
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# Apache License, version 2.0, (LICENSE-APACHEv2)
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# MIT license (LICENSE-MIT)
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import unittest2
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import macros
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import ../chronos
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when defined(nimHasUsed): {.used.}
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proc asyncRetValue(n: int): Future[int] {.async.} =
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await sleepAsync(n.milliseconds)
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result = n * 10
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proc asyncRetVoid(n: int) {.async.} =
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await sleepAsync(n.milliseconds)
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proc asyncRetExceptionValue(n: int): Future[int] {.async.} =
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await sleepAsync(n.milliseconds)
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result = n * 10
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if true:
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raise newException(ValueError, "Test exception")
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proc asyncRetExceptionVoid(n: int) {.async.} =
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await sleepAsync(n.milliseconds)
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if true:
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raise newException(ValueError, "Test exception")
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proc testAwait(): Future[bool] {.async.} =
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var res: int
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await asyncRetVoid(100)
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res = await asyncRetValue(100)
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if res != 1000:
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return false
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if (await asyncRetValue(100)) != 1000:
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return false
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try:
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await asyncRetExceptionVoid(100)
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return false
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except ValueError:
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discard
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res = 0
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try:
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discard await asyncRetExceptionValue(100)
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return false
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except ValueError:
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discard
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if res != 0:
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return false
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return true
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proc testAwaitne(): Future[bool] {.async.} =
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var res1: Future[void]
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var res2: Future[int]
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res1 = awaitne asyncRetVoid(100)
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res2 = awaitne asyncRetValue(100)
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if res1.failed():
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return false
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if res2.read() != 1000:
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return false
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res1 = awaitne asyncRetExceptionVoid(100)
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if not(res1.failed()):
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return false
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res2 = awaitne asyncRetExceptionValue(100)
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try:
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discard res2.read()
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return false
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except ValueError:
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discard
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return true
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suite "Macro transformations test suite":
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test "`await` command test":
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check waitFor(testAwait()) == true
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test "`awaitne` command test":
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check waitFor(testAwaitne()) == true
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test "template async macro transformation":
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template templatedAsync(name, restype: untyped): untyped =
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proc name(): Future[restype] {.async.} = return @[4]
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templatedAsync(testTemplate, seq[int])
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check waitFor(testTemplate()) == @[4]
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macro macroAsync(name, restype, innerrestype: untyped): untyped =
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quote do:
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proc `name`(): Future[`restype`[`innerrestype`]] {.async.} = return
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type OpenObject = object
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macroAsync(testMacro, seq, OpenObject)
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check waitFor(testMacro()).len == 0
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macro macroAsync2(name, restype, inner1, inner2, inner3, inner4: untyped): untyped =
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quote do:
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proc `name`(): Future[`restype`[`inner1`[`inner2`[`inner3`, `inner4`]]]] {.async.} = return
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macroAsync2(testMacro2, seq, Opt, Result, OpenObject, cstring)
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check waitFor(testMacro2()).len == 0
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suite "Closure iterator's exception transformation issues":
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test "Nested defer/finally not called on return":
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# issue #288
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# fixed by https://github.com/nim-lang/Nim/pull/19933
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var answer = 0
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proc a {.async.} =
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try:
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try:
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await sleepAsync(0.milliseconds)
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return
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finally:
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answer = 32
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finally:
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answer.inc(10)
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waitFor(a())
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check answer == 42
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