1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
local assert = require "luassert"
local spy = require "luassert.spy"
local match = require "luassert.match"
local a = require "nvim-lsp-installer.core.async"
local process = require "nvim-lsp-installer.process"
local function timestamp()
local seconds, microseconds = vim.loop.gettimeofday()
return (seconds * 1000) + math.floor(microseconds / 1000)
end
describe("async", function()
it("should run in blocking mode", function()
local start = timestamp()
a.run_blocking(function()
a.sleep(1000)
end)
local stop = timestamp()
local grace_ms = 25
assert.is_true((stop - start) >= (1000 - grace_ms))
end)
it(
"should wrap callback-style async functions",
async_test(function()
local stdio = process.in_memory_sink()
local ok, success = a.promisify(process.spawn)("env", {
args = {},
env = { "FOO=BAR", "BAR=BAZ" },
stdio_sink = stdio.sink,
})
assert.is_true(ok)
assert.is_true(success)
assert.equals("FOO=BAR\nBAR=BAZ\n", table.concat(stdio.buffers.stdout, ""))
end)
)
it(
"should cancel coroutine",
async_test(function()
local james_bond = spy.new()
local poutine = a.scope(function()
a.sleep(100)
james_bond()
end)()
poutine()
a.sleep(200)
assert.spy(james_bond).was_not.called()
end)
)
it(
"should reject if async function raises error",
async_test(function()
local ok, err = a.promisify(function()
error "something went wrong"
end)()
assert.is_false(ok)
assert.is_true(match.has_match "something went wrong$"(err))
end)
)
end)
|
