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(require-macros :test.test)
(require-macros :cljlib-macros)
(deftest into
(testing "into"
(assert-eq (into [] []) [])
(assert-eq (into [1 2 3] []) [1 2 3])
(assert-eq (into [1 2 3] [4 5 6]) [1 2 3 4 5 6])
(assert-eq (into {} {}) {})
(assert-eq (into {:a 1} {}) {:a 1})
(assert-eq (into {:a 1} {:b 2}) {:a 1 :b 2})
;; different bodies are being used so worth testing
(assert-eq (into [] {}) [])
(assert-eq (into {} []) [])
;; can't transform table with more than one key-value pair, as order
;; is undeterminitive
(assert-eq (into [] {:a 1}) [[:a 1]])
(assert-eq (into [[:b 2]] {:a 1}) [[:b 2] [:a 1]])
(assert-eq (into [[:c 3]] {}) [[:c 3]])
(assert-eq (into {} [[:c 3] [:a 1] [:b 2]]) {:a 1 :b 2 :c 3})
(assert-eq (into {:d 4} [[:c 3] [:a 1] [:b 2]]) {:a 1 :b 2 :c 3 :d 4})
(assert-eq (into {:a 0 :b 0 :c 0} [[:c 3] [:a 1] [:b 2]]) {:a 1 :b 2 :c 3})
(let [a (fn [] {:a 1})
b (fn [] [[:b 2]])]
(assert-eq (into (a) (b)) {:a 1 :b 2})
(assert-eq (into (b) (a)) [[:b 2] [:a 1]])
(let [c []]
(assert-eq (into c (b)) [[:b 2]]))
(let [c []]
(assert-eq (into c (a)) [[:a 1]]))
(let [c []]
(assert-eq (into (b) c) (b))
(assert-eq (into (a) c) (a))))
(let [a {}
b []]
(assert-eq (into a [1 2 3]) [1 2 3])
(assert-eq (into b [1 2 3]) [1 2 3]))
(let [a {}
b []]
(assert-eq (into b {:a 1}) [[:a 1]]))))
(deftest let-variants
(testing "when-let"
(assert-eq (when-let [a 4] a) 4)
(assert* (not (when-let [a false] a)) "(not (when-let [a false] a))")
(assert* (not (when-let [a nil] a)) "(not (when-let [a nil] a))"))
(testing "when-some"
(assert-eq (when-some [a [1 2 3]] a) [1 2 3])
(assert-eq (when-some [a false] a) false)
(assert* (not (when-some [a nil] a)) "(when-some [a nil] a)"))
(testing "if-let"
(assert-eq (if-let [a 4] a 10) 4)
(assert-eq (if-let [a false] a 10) 10)
(assert-eq (if-let [a nil] a 10) 10))
(testing "if-some"
(assert-eq (if-some [a [1 2 3]] a :nothing) [1 2 3])
(assert-eq (if-some [a false] a :nothing) false)
(assert-eq (if-some [a nil] a :nothing) :nothing)))
(deftest multimethods
(testing "defmulti"
(defmulti x (fn [x] x))
(assert-eq (defmulti x (fn [x] (+ x 1))) nil))
(testing "defmulti defalut"
(defmulti fac (fn [x] x))
(defmethod fac 0 [_] 1)
(defmethod fac :default [x] (* x (fac (- x 1))))
(assert-eq (fac 42) 7538058755741581312))
(testing "defmulti keys"
(defmulti send-data (fn [protocol data] protocol))
(defmethod send-data :http [protocol data] (.. data " will be sent over HTTP"))
(defmethod send-data :icap [protocol data] (.. data " will be sent over ICAP"))
(assert-eq (send-data :http 42) "42 will be sent over HTTP")
(assert-eq (send-data :icap 42) "42 will be sent over ICAP")
(defmulti send-message (fn [message] (. message :protocol)))
(defmethod send-message :http [message] (.. "sending " (. message :message) " over HTTP"))
(defmethod send-message :icap [message] (.. "sending " (. message :message) " over ICAP"))
(assert-eq (send-message {:protocol :http :message "ваыв"})
"sending ваыв over HTTP")
(assert-eq (send-message {:protocol :icap :message 42})
"sending 42 over ICAP"))
(testing "defmulti with dispatch on tables"
(defmulti encounter (fn [x y] [(. x :species) (. y :species)]))
(defmethod encounter [:bunny :lion] [_ _] :run)
(defmethod encounter [:lion :bunny] [_ _] :eat)
(defmethod encounter [:lion :lion] [_ _] :fight)
(defmethod encounter [:bunny :bunny] [_ _] :mate)
(let [l {:species :lion}
b {:species :bunny}]
(assert-eq (encounter b b) :mate)
(assert-eq (encounter l l) :fight)
(assert-eq (encounter b l) :run)
(assert-eq (encounter l b) :eat))))
(deftest def-macros
(testing "def"
(def {:dynamic true} a 10)
(assert-eq a 10)
(set a 20)
(assert-eq a 20)
(def a {})
(assert-eq a {})
(def a.b 10)
(assert-eq a.b 10)
(assert-eq b 10)
(def :dynamic c 10)
(set c 15)
(assert-eq c 15))
(testing "defonce"
(defonce {:dynamic true} a 10)
(assert-eq a 10)
(defonce a {})
(assert-eq a 10)
(defonce b {})
(defonce b.a 10)
(assert-eq b.a 10)
(assert-eq a 10)))
(deftest meta
(testing "with-meta"
(assert-eq (meta (with-meta :a {:k :v})) (when-meta {:k :v})))
(testing "def meta"
(def {:doc "x"} x 10)
(assert-eq (meta x) (when-meta {:fnl/docstring "x"}))
(def {:doc "x" :dynamic true} x 10)
(assert-eq (meta x) (when-meta {:fnl/docstring "x"})))
(testing "defonce meta table"
(defonce {:doc "x"} x 10)
(assert-eq (meta x) (when-meta {:fnl/docstring "x"}))
(defonce {:doc "y"} x 20)
(assert-eq (meta x) (when-meta {:fnl/docstring "x"}))
(defonce {:doc "y" :dynamic true} y 20)
(assert-eq (meta y) (when-meta {:fnl/docstring "y"}))))
(deftest empty
(testing "empty map"
(assert-eq (empty {}) {})
(assert-eq (getmetatable (empty {})) {:cljlib/table-type :table})
(let [a {:a 1 :b 2}]
(assert-eq (empty a) {})
(assert-eq (getmetatable (empty a)) {:cljlib/table-type :table}))
(let [a {}]
(assert-eq (empty a) [])
(assert-eq (getmetatable (empty a)) {:cljlib/table-type :empty})))
(testing "empty seq"
(assert-eq (empty []) {})
(assert-eq (getmetatable (empty [])) {:cljlib/table-type :seq})
(let [a [:a 1 :b 2]]
(assert-eq (empty a) [])
(assert-eq (getmetatable (empty a)) {:cljlib/table-type :seq}))))
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