add gs

RCCService2020/ExtraContent/LuaPackages/Localization/LocalizationContext.spec.lua

@@ -0,0 +1,66 @@
+return function()
+	local LocalizationContext = require(script.Parent.LocalizationContext)
+
+	it("should pull from the correct language if available", function()
+		local context = LocalizationContext.new({
+			["es-mx"] = {
+				["SomeKey"] = "Foo",
+			},
+			["es"] = {
+				["SomeKey"] = "Bar",
+			},
+			["en-us"] = {
+				["SomeKey"] = "Baz",
+			},
+		})
+
+		expect(context:getString("es-mx", "SomeKey")).to.equal("Foo")
+		expect(context:getString("es", "SomeKey")).to.equal("Bar")
+		expect(context:getString("en", "SomeKey")).to.equal("Baz")
+	end)
+
+	it("should fall through to a language's base language", function()
+		local context = LocalizationContext.new({
+			["es-mx"] = {},
+			["es"] = {
+				["SomeKey"] = "Bar",
+			},
+			["en"] = {
+				["SomeKey"] = "Baz",
+			},
+		})
+
+		expect(context:getString("es-mx", "SomeKey")).to.equal("Bar")
+		expect(context:getString("es", "SomeKey")).to.equal("Bar")
+		expect(context:getString("en", "SomeKey")).to.equal("Baz")
+	end)
+
+	it("should fall through to English if keys are missing in each table", function()
+		local context = LocalizationContext.new({
+			["es-mx"] = {},
+			["es"] = {},
+			["en-us"] = {
+				["SomeKey"] = "Baz",
+			},
+		})
+
+		expect(context:getString("es-mx", "SomeKey")).to.equal("Baz")
+		expect(context:getString("es", "SomeKey")).to.equal("Baz")
+		expect(context:getString("en_us", "SomeKey")).to.equal("Baz")
+	end)
+
+	it("should replace formatting identifiers of the form {name}", function()
+		local context = LocalizationContext.new({
+			["en-us"] = {
+				["SomeKey"] = "{greeting}, {target}!",
+			},
+		})
+
+		local value = context:getString("en-us", "SomeKey", {
+			greeting = "Hello",
+			target = "world",
+		})
+
+		expect(value).to.equal("Hello, world!")
+	end)
+end