62 lines
3.6 KiB
Clojure
62 lines
3.6 KiB
Clojure
(ns mw-parser.core-test
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(:use mw-engine.core
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mw-engine.utils
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mw-engine.world)
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(:require [clojure.test :refer :all]
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[mw-parser.core :refer :all]))
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(deftest rules-tests
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(testing "Rule parser - does not test whether generated functions actually work, just that something is generated!"
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(is (parse-rule "if altitude is less than 100 and state is forest then state should be climax and deer should be 3"))
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(is (parse-rule "if altitude is 100 or fertility is 25 then state should be heath and fertility should be 24.3"))
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(is (parse-rule "if altitude is 100 or fertility is 25 then state should be heath"))
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(is (parse-rule "if deer is more than 2 and wolves is 0 and fertility is more than 20 then deer should be deer + 2"))
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(is (parse-rule "if deer is more than 1 and wolves is more than 1 then deer should be deer - wolves"))
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(is (parse-rule "if state is grassland and 4 neighbours have state equal to water then state should be village"))
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(is (parse-rule "if state is forest and fertility is between 55 and 75 then state should be climax"))
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(is (parse-rule "if 6 neighbours have state equal to water then state should be village"))
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(is (parse-rule "if state is in grassland or pasture or heath and 4 neighbours are water then state should be village"))
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;; (is (parse-rule "if state is climax and some neighbours have state is fire then 3 chance in 5 that state should be fire"))
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(is (parse-rule "if state is pasture and more than 3 neighbours have state equal to scrub then state should be scrub"))
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))
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;; ideally should also test that the rule works, but I haven't worked out how
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;; to make mw-engine.utils available during eval
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(deftest generation-tests
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(testing "Code generation"
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(is
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(do
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(use 'mw-engine.utils)
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(eval
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(parse-rule "if altitude is less than 100 and state is forest then state should be climax and deer should be 3"))))))
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(deftest correctness-tests
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(testing "Testing that generated code performs as expected."
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(is (let [afn (compile-rule "if altitude is less than 100 and state is forest then state should be climax and deer should be 3")]
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(= (apply afn (list {:state :forest :altitude 99} nil))
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{:state :climax :altitude 99 :deer 3})))
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(is (let [afn (compile-rule "if more than 3 neighbours have state equal to new then state should be scrub")]
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(= (transform-world (make-world 3 3) (list afn))
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'(({:generation 1 :x 0, :y 0, :state :new}
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{:generation 1 :x 1, :y 0, :state :scrub}
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{:generation 1 :x 2, :y 0, :state :new})
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({:generation 1 :x 0, :y 1, :state :scrub}
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{:generation 1 :x 1, :y 1, :state :scrub}
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{:generation 1 :x 2, :y 1, :state :scrub})
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({:generation 1 :x 0, :y 2, :state :new}
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{:generation 1 :x 1, :y 2, :state :scrub}
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{:generation 1 :x 2, :y 2, :state :new}))))
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"The 'Keyword cannnot be cast to Number' bug")
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(is (let [afn (compile-rule "if state is new then fertility should be fertility + 1")]
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(empty?
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(remove
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#(= % 1)
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(map #(:fertility %)
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(flatten
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(transform-world (make-world 3 3) (list afn)))))))
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"Arithmetic action")
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))
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