going somewhere

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didier amyot committed 2018-07-08 12:46:15 -04:00
1 parent 9f36d28ce2
commit 519ac9ce07
7 files changed
+114 -46

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+16 -4
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@@ -3,7 +3,8 @@
(:require [midje.sweet :refer :all]
[skirmish.exchange :refer :all]
[skirmish.match :refer [create-buy-book
create-sell-book]]))
create-sell-book
match-order-in-book]]))
(def PersistentSortedList? (comp #(= % skirmish.PersistentSortedList) type))
@@ -21,7 +22,7 @@
(fact "process-sell-order should work when there is a buy order that matches"
(let [sell-book (create-sell-book)
buy-book (create-buy-book {:type :buy :quantity 10 :price 3 :book.order/id 2})
book {:sell sell-book :buy buy-book}
book {:sell sell-book :buy buy-book :id 0}
order {:type :sell :quantity 4 :price 2 :book.order/id 3}
expt-new-buy-book [{:price 3 :quantity 6 :type :buy :book.order/id 2}]
expt-new-trades [#:book.order{:book-id 2 :order-id 3 :price 3 :quantity 4 :type :buy}]
@@ -44,7 +45,7 @@
(fact "process-buy-order should work when there is a buy order that matches"
(let [sell-book (create-sell-book {:type :sell :quantity 10 :price 3 :book.order/id 2})
buy-book (create-buy-book)
book {:sell sell-book :buy buy-book}
book {:sell sell-book :buy buy-book :id 0}
order {:type :buy :quantity 4 :price 4 :book.order/id 3}
expt-new-sell-book [{:price 3 :quantity 6 :type :sell :book.order/id 2}]
expt-new-trades [#:book.order{:book-id 2 :order-id 3 :price 3 :quantity 4 :type :sell}]
@@ -60,11 +61,22 @@
order-3 {:type :sell :quantity 17 :price 99 :book.order/id 9}
order-4 {:type :sell :quantity 1 :price 102 :book.order/id 10}
expt-book-4 {:buy [{:price 99 :quantity 8 :type :buy :book.order/id 8}]
:sell [{:price 102 :quantity 1 :type :sell :book.order/id 10}]}
:sell [{:price 102 :quantity 1 :type :sell :book.order/id 10}]
:id 4}
[book-1 _ _] (process-order book order-1)
[book-2 _ _] (process-order book-1 order-2)
[book-3 _ _] (process-order book-2 order-3)
[book-4 _ _] (process-order book-3 order-4)]
book-4 => expt-book-4)))
(facts "get-processed-orders"
(fact "ss"
(let [sell-book (create-buy-book {:type :buy :quantity 2 :price 14 :book.order/id 116}
{:type :buy :quantity 8 :price 13 :book.order/id 117})
order {:type :sell :quantity 21 :price 13 :book.order/id 118}
[trades new-book leftover-order] (match-order-in-book sell-book order)
processed-order (get-processed-orders order leftover-order trades sell-book)]
processed-order => seq)));;;