Generate rolling chart with activity

1 files changed, 18 insertions, 0 deletions

diff --git a/spec/dates_spec.lua b/spec/dates_spec.lua
index a8b5a71..d820080 100644
--- a/spec/dates_spec.lua
+++ b/spec/dates_spec.lua
@@ -44,3 +44,21 @@ describe("First week day of", 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)