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local dates = require "activity.dates"
describe("Days in a year", function()
it("should support regular years", function()
assert.are.equal(365, dates.days_in(1970))
assert.are.equal(365, dates.days_in(2001))
end)
it("should support lean years", function()
assert.are.equal(366, dates.days_in(2004))
assert.are.equal(366, dates.days_in(1980))
end)
it("should support *00 years", function()
assert.are.equal(366, dates.days_in(2000))
assert.are.equal(365, dates.days_in(2100))
assert.are.equal(365, dates.days_in(2200))
assert.are.equal(365, dates.days_in(2300))
assert.are.equal(366, dates.days_in(2400))
end)
end)
describe("This year is", function()
local this_year = tonumber(os.date"%Y") -- Quite useless test
it(tostring(this_year), function()
assert.are.equal(this_year, dates.this_year())
end)
end)
describe("First week day of", function()
it("2023 is Sunday", function()
assert.are.equal(1, dates.first_week_day(2023))
end)
it("2022 is Saturday", function()
assert.are.equal(7, dates.first_week_day(2022))
end)
it("2020 is Wednesday", function()
assert.are.equal(4, dates.first_week_day(2020))
end)
end)
describe("Day 5 days before", function()
it("3 Mar 2023 is 26 Feb", function()
local date = {year=2023, month=3, day=3}
assert.are.same({year=2023, month=2, day=26}, dates.before(date, 5))
end)
it("3 Mar 2024 is 27 Feb", function()
local date = {year=2024, month=3, day=3}
assert.are.same({year=2024, month=2, day=27}, dates.before(date, 5))
end)
it("2 Jan 2024 is 28 Dec 2023", function()
local date = {year=2024, month=1, day=2}
assert.are.same({year=2023, month=12, day=28}, dates.before(date, 5))
end)
end)
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