Add type assertions.

tests/_support/Assertions/TypeAssertion.lua

@@ -0,0 +1,18 @@
+local assert = require('luassert.assert')
+local say = require("say")
+
+local function type_of(state, arguments)
+ if #arguments ~= 2 then
+ return negative
+ end
+
+ local expectedType = arguments[1]
+ local actualType = type(arguments[2])
+
+ return expectedType == actualType
+end
+
+say:set("assertion.type_of.positive", "Expected type of %s. Actual: %s")
+say:set("assertion.type_of.negative", "Unexpected type of %s. Actual: %s")
+assert:register("assertion", "type_of", type_of, "assertion.type_of.positive", "assertion.type_of.negative")
+

tests/_support/Assertions/TypeAssertion_spec.lua

@@ -0,0 +1,23 @@
+describe("TypeAssertion", function()
+
+ it("should check if a variable is of type function", function()
+ callback = function()
+ end
+
+ assert.type_of('function', callback)
+
+ assert.is_not_type_of('function', 1)
+ end)
+
+ it("should check if a variable is of type string", function()
+ assert.type_of('string', 'Value')
+
+ assert.is_not_type_of('string', 1)
+ end)
+
+ it("should check if a variable is of type table", function()
+ assert.type_of('table', {})
+
+ assert.is_not_type_of('table', 1)
+ end)
+end)

tests/bootstrap.lua

@@ -2,6 +2,7 @@ local manifestPath = 'AddonName.txt'
 
 require "TimeAssertion"
 require "ChatAssertion"
+require "TypeAssertion"
 
 local esouiLoader = require 'EsoLuaLoader'
 esouiLoader:initializeGlobals()