Add some basic testing to worldedit_commands

worldedit_commands/init.lua

@@ -152,6 +152,10 @@ do
 	}) do
 		dofile(modpath .. "/" .. name .. ".lua")
 	end
+
+	if worldedit.register_test then
+		dofile(modpath .. "/test/init.lua")
+	end
 end
 
 
@@ -344,4 +348,3 @@ worldedit.register_command("reset", {
 		return true, S("region reset")
 	end,
 })
-

worldedit_commands/test/init.lua

@@ -0,0 +1,86 @@
+local register_test = worldedit.register_test
+
+-- Basic test that just checks if certain parameter combinations
+-- parse correctly (valid or invalid)
+local make_parsing_test = function(cmd, valid, invalid)
+	return function()
+		local def = worldedit.registered_commands[cmd]
+		assert(def, "Command not defined")
+		for _, param in ipairs(valid or {}) do
+			local parsed = {def.parse(param)}
+			assert(parsed[1], string.format("Did not parse: %q", param))
+		end
+		for _, param in ipairs(invalid or {}) do
+			local parsed = {def.parse(param)}
+			assert(not parsed[1], string.format("Did parse: %q", param))
+		end
+	end
+end
+
+register_test("Command parsing")
+register_test("//set", make_parsing_test("set", {
+	"air",
+	"mapgen_stone",
+	minetest.registered_aliases["mapgen_dirt"],
+}, {
+	"this long text could not possibly ever match a node",
+	"",
+}))
+
+register_test("//mix", make_parsing_test("mix", {
+	"air",
+	"air 2",
+	"air mapgen_stone",
+	"air 2 air 1 mapgen_stone 1",
+}, {
+	"this_will_never_match_any_node",
+	"air 1 this_will_never_match_any_node",
+	"air this_will_never_match_any_node",
+	"",
+}))
+
+register_test("//fixedpos", make_parsing_test("fixedpos", {
+	"set1 0 0 0",
+	"set2 -10 20 31000",
+	"set1 ~0 ~0 ~0",
+	"set2 ~-5 2 ~+2",
+}, {
+	"set1 0 0",
+	"set 1 2 3",
+	"set2 ~ ~ ~",
+	"set2 + 0 0",
+	"",
+}))
+
+register_test("//inset", make_parsing_test("inset", {
+	"h 1",
+	"v 0",
+	"hv 2",
+	"vh 3",
+}, {
+	"x 4",
+	"xyz 5",
+	"v foo",
+}))
+
+register_test("//cubeapply", make_parsing_test("cubeapply", {
+	"2 orient 90",
+	"2 3 4 orient 90",
+	"1 1 1 drain",
+	"4 stack z 1",
+}, {
+	"1 1 1 orient",
+	"0 drain",
+	"4 stack z",
+	"2 2 2 asasasasasas",
+	"",
+}))
+
+register_test("//save", make_parsing_test("save", {
+	"filename",
+	"filename.abc",
+}, {
+	"\"hmm",
+	"../../oops",
+	"",
+}))