(ns mw-engine.utils-test
(:use [mw-engine.world :as world])
(:require [clojure.test :refer :all]
[clojure.math.combinatorics :as combo]
[mw-engine.utils :refer :all]))
(deftest abs-test
(testing "Absolute value function"
(is (= (abs 0) 0) "Corner case: nothing comes of nothing, nothing ever could.")
(is (= (abs 1) 1) "Corner case: one is one and all alone and ever more shall be so.")
(is (= (abs -1) 1) "Corner case: when others are cast down and afflicted, thou shalt be able to raise them up.")
(is (= (abs -90371) 90371) "Random check")
(is (= (abs 30971) 30971) "Another random check")))
(deftest get-neighbours-test
(testing "Gross functionality of get-neighbours: checks the right number of
neighbours returned, doesn't actually check they're the right ones."
(let [world (make-world 9 9)
corner (get-cell world 0 0)
midside (get-cell world 0 4)
centre (get-cell world 4 4)]
(is (= (count (get-neighbours world corner 1)) 3))
(is (= (count (get-neighbours world midside 1)) 5))
(is (= (count (get-neighbours world centre 1)) 8))
(is (= (count (get-neighbours world corner 2)) 8))
(is (= (count (get-neighbours world midside 2)) 14))
(is (= (count (get-neighbours world centre 2)) 24))
(is (= (count (get-neighbours world corner 3)) 15))
(is (= (count (get-neighbours world midside 3)) 27))
(is (= (count (get-neighbours world centre 3)) 48))
(is (= (count (get-neighbours world corner 4)) 24))
(is (= (count (get-neighbours world midside 4)) 44))
(is (= (count (get-neighbours world centre 4)) 80))
)))
(deftest get-neighbours-with-property-value-test
(testing "Testing the action of the over-complicated utility function"
(let [world '(({ :altitude 13, :x 0, :y 0, }
{ :altitude 20, :x 1, :y 0, }
{ :altitude 29, :x 2, :y 0, }
{ :altitude 39, :x 3, :y 0, }
{ :altitude 51, :x 4, :y 0, })
({ :altitude 19, :x 0, :y 1, }
{ :altitude 29, :x 1, :y 1, }
{ :altitude 41, :x 2, :y 1, }
{ :altitude 55, :x 3, :y 1, }
{ :altitude 72, :x 4, :y 1, })
({ :altitude 27, :x 0, :y 2, }
{ :altitude 41, :x 1, :y 2, }
{ :altitude 55, :x 2, :y 2, }
{ :altitude 72, :x 3, :y 2, }
{ :altitude 91, :x 4, :y 2, })
({ :altitude 33, :x 0, :y 3, }
{ :altitude 47, :x 1, :y 3, }
{ :altitude 68, :x 2, :y 3, }
{ :altitude 91, :x 3, :y 3, }
{ :altitude 111, :x 4, :y 3, })
({ :altitude 36, :x 0, :y 4, }
{ :altitude 53, :x 1, :y 4, }
{ :altitude 75, :x 2, :y 4, }
{ :altitude 100, :x 3, :y 4, }
{ :altitude 123, :x 4, :y 4, }))]
(is (= (get-neighbours-with-property-value world 3 3 1 :altitude 100 >)
'({ :altitude 111, :x 4, :y 3, }
{ :altitude 123, :x 4, :y 4, })))
(is (= (get-neighbours-with-property-value world 3 3 1 :altitude 100 <)
'({ :altitude 55, :x 2, :y 2, }
{ :altitude 68, :x 2, :y 3, }
{ :altitude 75, :x 2, :y 4, }
{ :altitude 72, :x 3, :y 2, }
{ :altitude 91, :x 4, :y 2, })))
(is (= (get-neighbours-with-property-value world 3 3 1 :altitude 100)
'({ :altitude 100, :x 3, :y 4, }))))
(let [world '(({ :altitude 13, :x 0, :y 0, :deer 0}
{ :altitude 20, :x 1, :y 0, :deer 0}
{ :altitude 29, :x 2, :y 0, :deer 0}
{ :altitude 39, :x 3, :y 0, :deer 0}
{ :altitude 51, :x 4, :y 0, :deer 0})
({ :altitude 19, :x 0, :y 1, :deer 0}
{ :altitude 29, :x 1, :y 1, :deer 0}
{ :altitude 41, :x 2, :y 1, :deer 0}
{ :altitude 55, :x 3, :y 1, :deer 0}
{ :altitude 72, :x 4, :y 1, :deer 0})
({ :altitude 27, :x 0, :y 2, :deer 0}
{ :altitude 41, :x 1, :y 2, :deer 0}
{ :altitude 55, :x 2, :y 2, :deer 0}
{ :altitude 72, :x 3, :y 2, :deer 2}
{ :altitude 91, :x 4, :y 2, :deer 0})
({ :altitude 33, :x 0, :y 3, :deer 0}
{ :altitude 47, :x 1, :y 3, :deer 0}
{ :altitude 68, :x 2, :y 3, :deer 4}
{ :altitude 91, :x 3, :y 3, :deer 0}
{ :altitude 111, :x 4, :y 3, :deer 4})
({ :altitude 36, :x 0, :y 4, :deer 0}
{ :altitude 53, :x 1, :y 4, :deer 0}
{ :altitude 75, :x 2, :y 4, }
{ :altitude 100, :x 3, :y 4, :deer 2}
{ :altitude 123, :x 4, :y 4,}))]
(is (= (get-neighbours-with-property-value world 3 3 1 :deer 2
>)
'({:altitude 68, :x 2, :y 3, :deer 4}
{:altitude 111, :x 4, :y 3, :deer 4})))
(is (= (get-neighbours-with-property-value world 3 3 1 :deer 2
<)
'({:altitude 55, :x 2, :y 2, :deer 0}
{:altitude 75, :x 2, :y 4}
{:altitude 91, :x 4, :y 2, :deer 0}
{:altitude 123, :x 4, :y 4})))
(is (= (get-neighbours-with-property-value world 3 3 1 :deer 2)
'({:altitude 72, :x 3, :y 2, :deer 2}
{:altitude 100, :x 3, :y 4, :deer 2}))))))
(deftest set-property-test
(testing "The set-property utility function"
(let [w1a (make-world 3 3)
w2b (set-property w1a (get-cell w1a 1 1) :location :centre)
w3c (set-property w2b 0 0 :location :top-left)]
(is (= (:location (get-cell w3c 0 0) :top-left)))
(is (= (:location (get-cell w3c 1 1) :centre)))
(is (nil? (:location (get-cell w3c 2 2)))
"Cell at 2,2 should not have location set")
(is (= (count (remove nil? (map #(:location %) (flatten w3c)))) 2)
"Third world should have two location properties set")
(is (= (count (remove nil? (map #(:location %) (flatten w2b)))) 1)
"Second world should have only one location set")
(is (zero? (count (remove nil? (map #(:location %) (flatten w1a)))))
"First world should not have any location properties set")
(is
(empty?
(remove
true?
(map #(= (:x (get-cell w3c (nth % 0) (nth % 1))) (nth % 0))
(combo/cartesian-product (range 0 3)
(range 0 3)))))
"No X coordinates were injured in the production of this world")
(is
(empty?
(remove
true?
(map #(= (:y (get-cell w3c (nth % 0) (nth % 1))) (nth % 1))
(combo/cartesian-product (range 0 3)
(range 0 3)))))
"No Y coordinates were injured in the production of this world")
(is
(empty?
(remove
false?
(map #(= (:y (get-cell w3c (nth % 0) (nth % 1))) 1234567)
(combo/cartesian-product (range 0 3)
(range 0 3)))))
"General sanity test")
)))
(deftest map-world-test
(testing "map-world utility function"
(let [w1a (make-world 3 3)
w2b (map-world w1a #(merge %2 {:test true}))
w3c (map-world w2b #(merge %2 {:number (+ %3 %4)}) '(4 4))]
(is (= (count w1a) (count w3c)) "No change in world size")
(is (= (count (flatten w1a)) (count (flatten w3c)))
"No change in world size")
(is (empty? (remove true? (map #(:test %) (flatten w3c))))
"All cells should have property 'test' set to true")
(is (empty? (remove #(= % 8) (map #(:number %) (flatten w3c))))
"All cells should have property 'number' set to 8"))))