Add initial vec3 and utils specs

spec/utils_spec.lua

@@ -0,0 +1,31 @@
+local utils = require "modules.utils"
+
+describe("utils tests", function()
+	it("tests clamp", function()
+		assert.is.equal(utils.clamp(10, 0, 5), 5)
+		assert.is.equal(utils.clamp(-5, 0, 5), 0)
+	end)
+
+	it("tests map", function()
+		assert.is.equal(utils.map(10, 0, 10, 0, 1), 1)
+		assert.is.equal(utils.map(-5, 0, 10, 0, 5), -2.5)
+	end)
+
+
+	it("tests wrap", function()
+		assert.is.equal(utils.wrap(-2, 6), 4)
+		assert.is.equal(utils.wrap(8, 6), 2)
+	end)
+
+	it("tests is_pot", function()
+		assert.is_true(utils.is_pot(1))
+		assert.is_true(utils.is_pot(8))
+		assert.is_true(utils.is_pot(16384))
+		assert.is_false(utils.is_pot(7))
+		assert.is_false(utils.is_pot(-22))
+		assert.is_false(utils.is_pot(54812))
+	end)
+
+	pending "round"
+	pending "lerp"
+end)

spec/vec3_spec.lua

@@ -0,0 +1,75 @@
+local vec3 = require "modules.vec3"
+
+describe("vec3 tests", function()
+	it("tests basic operators", function()
+		-- add
+		assert.is.equal(vec3(1, 1, 1) + vec3(2, 3, 4), vec3(3, 4, 5))
+		assert.has.errors(function() return vec3(1, 1, 1) + 5 end)
+
+		-- sub
+		assert.is.equal(vec3(1, 1, 1) - vec3(2, 3, 4), vec3(-1, -2, -3))
+		assert.has.errors(function() return vec3(1, 1, 1) - 5 end)
+
+		-- mul
+		assert.is.equal(vec3(2, 1, 2) * vec3(2, 3, 4), vec3(4, 3, 8))
+		assert.has_no.errors(function() return vec3(1,1,1) * {x=2,y=2,z=2} end)
+		assert.has_no.errors(function() return 2 * vec3(1,1,1) end)
+		assert.has_no.errors(function() return vec3(1,1,1) * 2 end)
+
+		-- unm
+		assert.is.equal(vec3(1, 1, 1) + -vec3(1, 1, 1), vec3(0, 0, 0))
+
+		-- div
+		assert.is.equal(vec3(1, 1, 1) / 2, vec3(0.5, 0.5, 0.5))
+		assert.has.errors(function() return vec3(1, 1, 1) / vec3(2, 2, 2) end)
+	end)
+
+	it("tests comparison operators", function()
+		-- eq
+		assert.is_true(vec3(5,5,5) == vec3(5,5,5))
+
+		-- lt
+		assert.is_true(vec3(3,3,3) < vec3(5,5,5))
+		assert.is_false(vec3(5,5,5) < vec3(5,5,5))
+
+		-- le
+		assert.is_true(vec3(5,5,5) <= vec3(5,5,5))
+		assert.is_false(vec3(3,3,3) >= vec3(5,5,5))
+	end)
+
+	it("tests misc operators", function()
+		-- tostring
+		assert.has_no.errors(function() return tostring(vec3(1,1,1)) end)
+
+		assert.is_true(vec3.isvector(vec3()))
+		assert.is_true(vec3.isvector(vec3{1,1}))
+		assert.is_true(vec3.isvector{x=1, y=2, z=3})
+	end)
+
+	it("tests clone", function()
+		local v = vec3(1,1,1)
+		local c = v:clone()
+		c.x = 2
+		assert.is_not.equal(v, c)
+	end)
+
+	describe("vec3 pending tests", function()
+		pending "lerp"
+		pending "trim"
+		pending "angle_to"
+		pending "angle_between"
+		pending "dot"
+		pending "cross"
+		pending "mirror_on"
+		pending "orientation_to_direction"
+		pending "project_from"
+		pending "project_on"
+		pending "perpendicular"
+		pending "rotate"
+		pending "normalize"
+		pending "dist"
+		pending "dist2"
+		pending "len"
+		pending "len2"
+	end)
+end)