the-great-game/test/the_great_game/merchants/merchant_utils_test.clj

128 lines
4.4 KiB
Clojure

(ns the-great-game.merchants.merchant-utils-test
(:require [clojure.test :refer :all]
[the-great-game.utils :refer [deep-merge]]
[the-great-game.world.world :refer [default-world]]
[the-great-game.merchants.merchant-utils :refer :all]))
(deftest expected-price-test
(testing "Anticipated prices in markets"
(let [world (deep-merge
default-world
{:merchants
{:archie
{:known-prices
{:buckie
{:iron
[{:price 1.7 :date 1}
{:price 2 :date 0}]}}}}})]
(let [actual (expected-price (-> world :merchants :archie) :fish :edinburgh)
expected 1] ;;
(is (= actual expected) "if no information assume 1"))
(let [actual (expected-price (-> world :merchants :archie) :iron :buckie)
expected 1.7] ;;
(is (= actual expected) "if information select the most recent")))))
(deftest burden-test
(testing "Burden of merchant"
(let [world (deep-merge
default-world
{:merchants
{:archie
{:stock
{:iron 1}}
:belinda
{:stock
{:fish 2}}
:callum
{:stock
{:iron 1
:fish 1}}}})]
(let [actual (burden :archie world)
expected (-> world :commodities :iron :weight)]
(is (= actual expected)))
(let [actual (burden :belinda world)
expected (* 2 (-> world :commodities :fish :weight))]
(is (= actual expected)))
(let [actual (burden :callum world)
expected (+
(-> world :commodities :iron :weight)
(-> world :commodities :fish :weight))]
(is (= actual expected)))
(let [actual (burden {} world)
expected 0]
(is (= actual expected)))
(let [actual (burden (-> world :merchants :deidre) world)
expected 0]
(is (= actual expected))))))
(deftest can-carry-test
(testing "What merchants can carry"
(let [world (deep-merge
default-world
{:merchants
{:archie
{:cash 5
:stock
{:iron 1}}
:belinda
{:stock
{:fish 2}}
:callum
{:stock
{:iron 1
:fish 1}}}})]
(let [actual (can-carry :archie world :fish)
expected 0]
(is (= actual expected)))
(let [actual (can-carry :belinda world :fish)
expected 8]
(is (= actual expected)))
(let [actual (can-carry (-> world :merchants :archie) world :fish)
expected 0]
(is (= actual expected)))
(let [actual (can-carry {:stock {:fish 7} :capacity 10} world :fish)
expected 3]
(is (= actual expected))))))
(deftest affordability-test
(testing "What merchants can afford to purchase"
(let [world (deep-merge
default-world
{:merchants
{:archie
{:cash 5
:stock
{:iron 1}}
:belinda
{:stock
{:fish 2}}
:callum
{:stock
{:iron 1
:fish 1}}}})]
(let [actual (can-afford :archie world :fish)
expected 5]
(is (= actual expected)))
(let [actual (can-afford :belinda world :fish)
expected 100]
(is (= actual expected)))
(let [actual (can-afford (-> world :merchants :archie) world :fish)
expected 5]
(is (= actual expected)))
(let [actual (can-afford {:cash 3 :location :buckie} world :fish)
expected 3]
(is (= actual expected)))
(is (thrown-with-msg?
Exception
#"No merchant?"
(can-afford :no-one world :fish)))
(is (thrown-with-msg?
Exception
#"No known location for merchant.*"
(can-afford {:cash 3} world :fish))))))
(deftest add-stock-test
(let [actual (add-stock {:iron 2 :fish 5} {:fish 3 :whisky 7})
expected {:iron 2 :fish 8 :whisky 7}]))