39 lines
1.8 KiB
Clojure
39 lines
1.8 KiB
Clojure
(ns mw-engine.core-test
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(:require [clojure.test :refer [deftest is testing]]
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[mw-engine.core :refer [apply-rule transform-world]]
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[mw-engine.utils :refer [map-world]]
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[mw-engine.world :refer [make-world]]))
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(deftest apply-rule-test
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(testing "Application of a single rule"
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(let [afn (vary-meta
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(eval
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(fn [cell _world]
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(cond
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(= (:state cell) :new)
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(merge cell {:state :grassland}))))
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merge {:rule-type :production
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:rule "Test source"})]
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(is (nil? (apply-rule nil {:state :water} afn))
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"Rule shouldn't fire when state is wrong")
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(is (= (:state (apply-rule nil {:state :new} afn)) :grassland)
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"Rule should fire when state is correct")
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(is (seq? (:history (apply-rule nil {:state :new} afn)))
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"Event cached on history of cell"))))
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(deftest transform-world-tests
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(testing "Application of a single rule"
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(let [afn (vary-meta
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(eval
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(fn [cell _world]
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(cond
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(= (:state cell) :new)
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(merge cell {:state :grassland}))))
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merge {:rule-type :production
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:rule "Test source"})
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world (make-world 3 3)
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expected [[{:y 0, :state :grassland, :x 0} {:y 0, :state :grassland, :x 1} {:y 0, :state :grassland, :x 2}]
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[{:y 1, :state :grassland, :x 0} {:y 1, :state :grassland, :x 1} {:y 1, :state :grassland, :x 2}]
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[{:y 2, :state :grassland, :x 0} {:y 2, :state :grassland, :x 1} {:y 2, :state :grassland, :x 2}]]
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actual (map-world (transform-world world (list afn)) (fn [_ c] (select-keys c [:x :y :state])))]
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(is (= actual expected))))) |