50 lines
2.5 KiB
Clojure
50 lines
2.5 KiB
Clojure
(ns mw-engine.heightmap-test
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(:require [clojure.java.io :refer [as-file]]
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[clojure.test :refer [deftest is testing]]
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[mw-engine.heightmap :refer [apply-heightmap apply-valuemap]]
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[mw-engine.world :refer [make-world]]))
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(deftest apply-heightmap-test
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(testing "Heightmap functionality"
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(let [world (apply-heightmap (as-file "resources/heightmaps/test9x9.png"))
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altitudes (map #(:altitude %) (flatten world))
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gradients (map #(:gradient %) (flatten world))]
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(is (= (count world) 9) "World should be 9x9")
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(is (= (count (first world)) 9) "World should be 9x9")
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(is (= (count (remove nil? altitudes)) 81)
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"All cells should have altitude")
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(is (= (count (remove nil? gradients)) 81)
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"All cells should have gradient")
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(is (> (apply max altitudes)
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(apply min altitudes))
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"There should be a range of altitudes")
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(is (> (apply + gradients) 0)
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"At least some gradients must be positive, none should be negative"))
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;; alternate means of making the world, same tests.
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(let [world (apply-heightmap (make-world 9 9) (as-file "resources/heightmaps/test9x9.png"))
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altitudes (map #(:altitude %) (flatten world))
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gradients (map #(:gradient %) (flatten world))]
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(is (= (count world) 9) "World should be 9x9")
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(is (= (count (first world)) 9) "World should be 9x9")
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(is (= (count (remove nil? altitudes)) 81)
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"All cells should have altitude")
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(is (= (count (remove nil? gradients)) 81)
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"All cells should have gradient")
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(is (> (apply max altitudes)
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(apply min altitudes))
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"There should be a range of altitudes")
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(is (> (apply + gradients) 0)
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"At least some gradients must be positive, none should be negative")
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)))
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(deftest apply-valuemap-test
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(testing "Valuemap functionality"
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(let [image (as-file "resources/heightmaps/test9x9.png")
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world (apply-valuemap (apply-heightmap image) image :arbitrary)
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altitudes (map #(:altitude %) (flatten world))
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arbitraries (map #(:arbitrary %) (flatten world))]
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(is (= altitudes arbitraries) "Altitudes and arbitraries are derived from same map so should be identical.")
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)))
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