lune/tests/datetime/formatLocalTime.luau

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local DateTime = require("@lune/datetime")
local process = require("@lune/process")
local expectedTimeString = os.date("%Y-%m-%dT%H:%M:%S", 1694078954)
assert(
DateTime.fromUnixTimestamp(1694078954):formatLocalTime("%Y-%m-%dT%H:%M:%S", "en")
== expectedTimeString,
"invalid ISO 8601 formatting for DateTime.formatLocalTime()"
)
--[[
The rest of this test requires 'fr_FR.UTF-8 UTF-8' to be in /etc/locale.gen to pass
Locale should be set up by a script, or by the user,
or in CI, test runner takes no responsibility for this
To run tests related to locales, one must
explicitly provide the `--test-locales` flag
]]
local runLocaleTests = false
for _, arg in process.args do
if arg == "--test-locales" then
runLocaleTests = true
break
end
end
if not runLocaleTests then
return
end
local dateCmd = process.spawn("bash", { "-c", "date +\"%A, %d %B %Y\" --date='@1693068988'" }, {
env = {
LC_ALL = "fr_FR.UTF-8 ",
},
})
assert(dateCmd.ok, "Failed to execute date command")
local expectedLocalizedString = string.gsub(dateCmd.stdout, "\n", "")
assert(
DateTime.fromUnixTimestamp(1693068988):formatLocalTime("%A, %d %B %Y", "fr")
== expectedLocalizedString,
`expected format specifier '%A, %d %B %Y' to return '{expectedLocalizedString}' for locale 'fr' (local)`
)
assert(
DateTime.fromUnixTimestamp(1693068988):formatUniversalTime("%A, %d %B %Y", "fr")
== "samedi, 26 août 2023",
"expected format specifier '%A, %d %B %Y' to return 'samedi, 26 août 2023' for locale 'fr' (UTC)"
)