85 lines
No EOL
3.6 KiB
Clojure
85 lines
No EOL
3.6 KiB
Clojure
(ns mw-engine.flow-test
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(:require [clojure.test :refer [deftest is testing]]
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[mw-engine.flow :refer [coordinate? create-flow-percent
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create-location execute execute-flows flow?
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location?]]
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[mw-engine.utils :refer [get-cell merge-cell]]
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[mw-engine.world :refer [make-world]]))
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(deftest coordinate-tests
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(testing "coordinates"
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(let [world (make-world 3 3)]
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(is (not (coordinate? -1 world)) "Not a coordinate: negative")
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(is (not (coordinate? 4 world)) "Not a coordinate: out of bounds")
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(is (not (coordinate? 3 world)) "Not a coordinate: boundary")
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(is (not (coordinate? :three world)) "Not a coordinate: keyword")
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(is (not (coordinate? 3.14 world)) "Not a coordinate: floating point")
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(is (coordinate? 0 world) "should be a coordinate: zero")
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(is (coordinate? 1 world) "should be a coordinate: middle"))))
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(deftest location-tests
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(testing "locations"
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(let [world (make-world 3 3)
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in1 {:x 0 :y 0}
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in2 {:x 1 :y 2}
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out1 {:p 0 :q 0}
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out2 {:x -1 :y 2}]
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(is (location? in1 world) "should be a location: top left")
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(is (location? in2 world) "should be a location: middle bottom")
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(is (not (location? out1 world)) "should not be a location: wrong keys")
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(is (not (location? out2 world)) "should not be a location: negative coordinate"))))
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(deftest flow-tests
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(testing "flows"
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(let [world (make-world 3 3)
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world' (merge-cell world {:x 0, :y 0, :state :new :q 5.3})
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valid {:source {:x 0 :y 0}
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:destination {:x 1 :y 1}
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:property :q
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:quantity 2.4}]
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(is (flow? valid world))
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(let [transferred (execute world' valid)
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source-q (:q (get-cell transferred 0 0))
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dest-q (:q (get-cell transferred 1 1))]
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(is (= source-q 2.9))
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(is (= dest-q 2.4)))
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(let [valid2 {:source {:x 1 :y 1}
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:destination {:x 0 :y 1}
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:property :q
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:quantity 1}
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transferred (execute-flows world' (list valid valid2))
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source-q (:q (get-cell transferred 0 0))
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inter-q (:q (get-cell transferred 1 1))
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dest-q (:q (get-cell transferred 0 1))]
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(is (= source-q 2.9))
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(is (= inter-q 1.4))
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(is (= dest-q 1))))
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(let [world (make-world 3 3)
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world' (merge-cell world {:x 0, :y 0, :state :new :q 5.3})
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highdemand {:source {:x 0 :y 0}
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:destination {:x 1 :y 1}
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:property :q
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:quantity 7.4}
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transferred (execute world' highdemand)
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source-q (:q (get-cell transferred 0 0))
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dest-q (:q (get-cell transferred 1 1))
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sx 0.0
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dx 5.3]
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(is (= source-q sx) "The entire stock should have gone;")
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(is (= dest-q dx) "Only as much as was available should have arrived."))))
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(deftest creator-macro-tests
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(testing "Creator macros"
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(let [source {:x 1 :y 2 :q 5.7 :state :house}
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dest {:x 3 :y 3 :q 1 :state :house}
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prop :q]
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(let [expected {:x 1, :y 2}
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actual (create-location source)]
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(is (= actual expected)))
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(let [expected {:source {:x 1, :y 2},
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:prop :q,
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:quantity 1.425,
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:destination {:x 3, :y 3}}
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actual (create-flow-percent source dest prop 25)]
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(is (= actual expected))
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(is (= (:quantity actual) (* 0.25 (:q source)))))))) |