Merge pull request #10 from NicMcPhee/test-vector-instructions
Add tests for vector instructions
This commit is contained in:
Lee Spector
GitHub
commit
5891c8641d
8
.gitignore
vendored
8
.gitignore
vendored
@ -14,3 +14,11 @@ pom.xml.asc
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.idea/
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out
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notes
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.clj-kondo/
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.idea/
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.calva/
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# Don't commit the data directory that we'll
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# use to hold the data from
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# https://github.com/thelmuth/program-synthesis-benchmark-datasets
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/data
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@ -4,6 +4,7 @@
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:license {:name "EPL-2.0 OR GPL-2.0-or-later WITH Classpath-exception-2.0"
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:url "https://www.eclipse.org/legal/epl-2.0/"}
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:dependencies [[org.clojure/clojure "1.10.0"]
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[org.clojure/clojurescript "1.9.946"]]
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[org.clojure/clojurescript "1.9.946"]
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[org.clojure/test.check "1.1.0"]]
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:main ^:skip-aot propeller.core
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:repl-options {:init-ns propeller.core})
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@ -52,12 +52,16 @@
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(make-instruction state empty? [stack] :boolean)))
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;; Pushes the first item of the top element of the vector stack onto the
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;; approrpiately-typed literal stack
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;; appropriately-typed literal stack. If the vector is empty, return
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;; :ignore-instruction so that nothing is changed on the stacks.
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(def _first
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^{:stacks #{:elem}}
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(fn [stack state]
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(let [lit-stack (get-vector-literal-type stack)]
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(make-instruction state first [stack] lit-stack))))
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(make-instruction state
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#(if (empty? %) :ignore-instruction (first %))
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[stack]
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lit-stack))))
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;; Pushes onto the INTEGER stack the index of the top element of the
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;; appropriately-typed literal stack within the top element of the vector stack
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@ -97,7 +101,11 @@
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^{:stacks #{:elem}}
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(fn [stack state]
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(let [lit-stack (get-vector-literal-type stack)]
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(make-instruction state last [stack] lit-stack))))
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(make-instruction
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state
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#(if (empty? %) :ignore-instruction (last %))
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[stack]
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lit-stack))))
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;; Pushes the length of the top item onto the INTEGER stack
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(def _length
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@ -113,7 +121,9 @@
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(fn [stack state]
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(let [lit-stack (get-vector-literal-type stack)]
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(make-instruction state
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#(get %2 (mod %1 (count %2)))
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#(if (empty? %2)
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:ignore-instruction
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(get %2 (mod %1 (count %2))))
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[:integer stack]
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lit-stack))))
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@ -173,7 +183,10 @@
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(let [lit-stack (get-vector-literal-type stack)]
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(make-instruction state
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(fn [lit1 lit2 vect]
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(assoc vect (utils/indexof lit1 vect) lit2))
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(let [replaceindex (utils/indexof lit1 vect)]
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(if (= replaceindex -1)
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vect
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(assoc vect replaceindex lit2))))
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[lit-stack lit-stack stack]
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stack))))
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@ -198,8 +211,10 @@
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(let [lit-stack (get-vector-literal-type stack)]
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(make-instruction state
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(fn [lit n vect]
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(assoc vect (mod n (count vect)) lit))
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[:integer lit-stack stack]
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(if (empty? vect)
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:ignore-instruction
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(assoc vect (mod n (count vect)) lit)))
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[lit-stack :integer stack]
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stack))))
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;; Pushes a subvector of the top item, with start and end indices determined by
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@ -208,9 +223,9 @@
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^{:stacks #{:integer}}
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(fn [stack state]
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(make-instruction state
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(fn [stop-raw start-raw vect]
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(fn [start-raw stop-raw vect]
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(let [start (min (count vect) (max 0 start-raw))
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stop (min (count vect) (max start-raw stop-raw))]
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stop (min (count vect) (max 0 start-raw stop-raw))]
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(subvec vect start stop)))
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[:integer :integer stack]
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stack)))
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@ -28,7 +28,11 @@
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;; A utility function for making Push instructions. Takes a state, a function
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;; to apply to the args, the stacks to take the args from, and the stack to
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;; return the result to. Applies the function to the args (popped from the
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;; given stacks), and pushes the result onto the return-stack
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;; given stacks), and pushes the result onto the return-stack.
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;;
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;; If the function returns :ignore-instruction, then we will return the
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;; initial state unchanged. This allows instructions to fail gracefully
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;; without consuming stack values.
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(defn make-instruction
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[state function arg-stacks return-stack]
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(let [popped-args (get-args-from-stacks state arg-stacks)]
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@ -36,7 +40,9 @@
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state
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(let [result (apply function (:args popped-args))
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new-state (:state popped-args)]
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(state/push-to-stack new-state return-stack result)))))
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(if (= result :ignore-instruction)
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state
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(state/push-to-stack new-state return-stack result))))))
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;; Given a set of stacks, returns all instructions that operate on those stacks
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;; only. Won't include random instructions unless :random is in the set as well
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@ -1,7 +0,0 @@
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(ns propeller.core-test
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(:require [clojure.test :refer :all]
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[propeller.core :refer :all]))
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(deftest a-test
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(testing "FIXME, I fail."
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(is (= 0 1))))
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475
test/propeller/push/instructions/vector_spec.clj
Normal file
475
test/propeller/push/instructions/vector_spec.clj
Normal file
@ -0,0 +1,475 @@
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(ns propeller.push.instructions.vector-spec
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(:require
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[clojure.test.check.generators :as gen]
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[clojure.test.check.properties :as prop]
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[clojure.test.check.clojure-test :as ct :refer [defspec]]
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[propeller.push.state :as state]
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[propeller.push.instructions.vector :as vector]
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[propeller.push.interpreter :as interpreter]))
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(def gen-type-pairs
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[['gen/small-integer "integer"]
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['gen/double "float"]
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['gen/boolean "boolean"]
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['gen/string "string"]])
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(defn generator-for-arg-type
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[arg-type generator]
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(case arg-type
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:boolean 'gen/boolean
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:integer 'gen/small-integer
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:float 'gen/double
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:string 'gen/string
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; This is for "generic" vectors where the element is provided by
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; the `generator` argument.
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:vector `(gen/vector ~generator)
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:item generator
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:vector_boolean '(gen/vector gen/boolean)
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:vector_integer '(gen/vector gen/small-integer)
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:vector_float '(gen/vector gen/double)
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:vector_string '(gen/vector gen/string)))
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(defmacro gen-specs
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[spec-name check-fn & arg-types]
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(let [symbol-names (repeatedly (count arg-types) gensym)]
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`(do ~@(for [[generator value-type] gen-type-pairs
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:let [name (symbol (str spec-name "-spec-" value-type))]]
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`(defspec ~name
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(prop/for-all
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[~@(mapcat
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(fn [symbol-name arg-type]
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[symbol-name (generator-for-arg-type arg-type generator)])
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symbol-names
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arg-types)]
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(~check-fn ~value-type ~@symbol-names)))))))
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;;; vector/_butlast
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(defn check-butlast
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[value-type vect]
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(let [stack-type (keyword (str "vector_" value-type))
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start-state (state/push-to-stack state/empty-state
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stack-type
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vect)
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end-state (vector/_butlast stack-type start-state)
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expected-result (vec (butlast vect))]
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(= expected-result
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(state/peek-stack end-state stack-type))))
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(gen-specs "butlast" check-butlast :vector)
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;;; vector/_concat
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(defn check-concat
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"Creates an otherwise empty Push state with the two given vectors on the
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appropriate vector stack (assumed to be :vector_<value-type>).
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It then runs the vector/_concat instruction, and confirms that the
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result (on the :vector_<value-type> stack) is the expected value.
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The order of concatenation is that the top of the stack will be
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_second_ in the concatenation, i.e., its elements will come _after_
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the elements in the vector one below it in the stack."
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[value-type first-vect second-vect]
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(let [stack-type (keyword (str "vector_" value-type))
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start-state (state/push-to-stack
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(state/push-to-stack state/empty-state
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stack-type
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first-vect)
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stack-type second-vect)
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end-state (vector/_concat stack-type start-state)]
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(= (concat second-vect first-vect)
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(state/peek-stack end-state stack-type))))
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(gen-specs "concat" check-concat :vector :vector)
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;;; vecotr/_conj
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(defn check-conj
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[value-type vect value]
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(let [stack-type (keyword (str "vector_" value-type))
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start-state (state/push-to-stack
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(state/push-to-stack state/empty-state
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stack-type
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vect)
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(keyword (str value-type))
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value)
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end-state (vector/_conj stack-type start-state)
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expected-result (conj vect value)]
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(= expected-result
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(state/peek-stack end-state stack-type))))
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(gen-specs "conj" check-conj :vector :item)
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;;; vector/_contains
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(defn check-contains
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"Creates an otherwise empty Push state with the given vector on the
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appropriate vector stack (assumed to be :vector_<value-type>), and
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the given value on the appropriate stack (determined by value-type).
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It then runs the vector/_contains instruction, and confirms that the
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result (on the :boolean stack) is the expected value."
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[value-type vect value]
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(let [stack-type (keyword (str "vector_" value-type))
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start-state (state/push-to-stack
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(state/push-to-stack state/empty-state
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stack-type
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vect)
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(keyword value-type) value)
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end-state (vector/_contains stack-type start-state)
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expected-result (not= (.indexOf vect value) -1)]
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(= expected-result
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(state/peek-stack end-state :boolean))))
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(gen-specs "contains" check-contains :vector :item)
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;;; vector/_emptyvector
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(defn check-empty-vector
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[value-type vect]
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(let [stack-type (keyword (str "vector_" value-type))
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start-state (state/push-to-stack state/empty-state
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stack-type
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vect)
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end-state (vector/_emptyvector stack-type start-state)]
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(= (empty? vect)
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(state/peek-stack end-state :boolean))))
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(gen-specs "empty-vector" check-empty-vector :vector)
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;;; vector/_first
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(defn check-first
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[value-type vect]
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(let [stack-type (keyword (str "vector_" value-type))
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start-state (state/push-to-stack state/empty-state
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stack-type
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vect)
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end-state (vector/_first stack-type start-state)]
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(or
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(and (empty? vect)
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(= (state/peek-stack end-state stack-type)
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vect))
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(and
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(= (first vect)
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(state/peek-stack end-state (keyword value-type)))
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(state/empty-stack? end-state stack-type)))))
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(gen-specs "first" check-first :vector)
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;;; vector/_indexof
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(defn check-indexof
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"Creates an otherwise empty Push state with the given vector on the
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appropriate vector stack (assumed to be :vector_<value-type>), and
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the given value on the appropriate stack (determined by value-type).
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It then runs the vector/_indexof instruction, and confirms that the
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result (on the :integer stack) is the expected value."
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[value-type vect value]
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(let [stack-type (keyword (str "vector_" value-type))
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start-state (state/push-to-stack
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(state/push-to-stack state/empty-state
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stack-type
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vect)
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(keyword value-type) value)
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end-state (vector/_indexof stack-type start-state)
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expected-index (.indexOf vect value)]
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(= expected-index
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(state/peek-stack end-state :integer))))
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(gen-specs "indexof" check-indexof :vector :item)
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;;; vector/_iterate
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(defn check-iterate
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[value-type vect]
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(let [stack-type (keyword (str "vector_" value-type))
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print-instr (keyword (str value-type "_print"))
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iter-instr (keyword (str "vector_" value-type "_iterate"))
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program [iter-instr print-instr]
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start-state (-> state/empty-state
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(state/push-to-stack stack-type vect)
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(state/push-to-stack :output ""))
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; 4 times the vector length should be enough for this iteration, perhaps even
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; more than we strictly need.
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end-state (interpreter/interpret-program program start-state (* 4 (count vect)))
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; pr-str adds escaped quote marks, which causes tests to fail because _print
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; treats strings and characters specially and does not call pr-str on them.
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to-str-fn (if (= value-type "string") identity pr-str)
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expected-result (apply str (map to-str-fn vect))]
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(= expected-result
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(state/peek-stack end-state :output))))
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(gen-specs "iterate" check-iterate :vector)
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;;; vector/_last
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(defn check-last
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[value-type vect]
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(let [stack-type (keyword (str "vector_" value-type))
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start-state (state/push-to-stack state/empty-state
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stack-type
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vect)
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end-state (vector/_last stack-type start-state)]
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(or
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(and (empty? vect)
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(= (state/peek-stack end-state stack-type)
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vect))
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(and
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(= (last vect)
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(state/peek-stack end-state (keyword value-type)))
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(state/empty-stack? end-state stack-type)))))
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(gen-specs "last" check-last :vector)
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;;; vector/_length
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(defn check-length
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[value-type vect]
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(let [stack-type (keyword (str "vector_" value-type))
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start-state (state/push-to-stack state/empty-state
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stack-type
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vect)
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end-state (vector/_length stack-type start-state)
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expected-result (count vect)]
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(= expected-result
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(state/peek-stack end-state :integer))))
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(gen-specs "length" check-length :vector)
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;;; vector/_nth
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(defn check-nth
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[value-type vect n]
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(let [stack-type (keyword (str "vector_" value-type))
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start-state (state/push-to-stack
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(state/push-to-stack state/empty-state
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stack-type
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vect)
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:integer
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n)
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end-state (vector/_nth stack-type start-state)]
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(or
|
||||
(and (empty? vect)
|
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(= (state/peek-stack end-state stack-type)
|
||||
vect))
|
||||
(and
|
||||
(= (get vect (mod n (count vect)))
|
||||
(state/peek-stack end-state (keyword value-type)))))))
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(gen-specs "nth" check-nth :vector :integer)
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;;; vector/_occurrencesof
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(defn check-occurrencesof
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[value-type vect value]
|
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(let [stack-type (keyword (str "vector_" value-type))
|
||||
start-state (state/push-to-stack
|
||||
(state/push-to-stack state/empty-state
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||||
stack-type
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||||
vect)
|
||||
(keyword value-type)
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value)
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end-state (vector/_occurrencesof stack-type start-state)
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expected-result (count (filterv #(= value %) vect))]
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(= expected-result
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(state/peek-stack end-state :integer))))
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(gen-specs "occurrencesof" check-occurrencesof :vector :item)
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;;; vector/_pushall
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(defn check-pushall
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||||
[value-type vect]
|
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(let [stack-type (keyword (str "vector_" value-type))
|
||||
start-state (state/push-to-stack state/empty-state
|
||||
stack-type
|
||||
vect)
|
||||
end-state (vector/_pushall stack-type start-state)
|
||||
value-stack (keyword value-type)
|
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vect-length (count vect)]
|
||||
(and
|
||||
(=
|
||||
(vec (state/peek-stack-many end-state value-stack vect-length))
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||||
vect)
|
||||
(state/empty-stack?
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(state/pop-stack-many end-state value-stack vect-length)
|
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value-stack))))
|
||||
|
||||
(gen-specs "pushall" check-pushall :vector)
|
||||
|
||||
;;; vector/_remove
|
||||
|
||||
(defn check-remove
|
||||
[value-type vect value]
|
||||
(let [stack-type (keyword (str "vector_" value-type))
|
||||
start-state (state/push-to-stack
|
||||
(state/push-to-stack state/empty-state
|
||||
stack-type
|
||||
vect)
|
||||
(keyword value-type)
|
||||
value)
|
||||
end-state (vector/_remove stack-type start-state)]
|
||||
(= []
|
||||
(filterv #(= % value) (state/peek-stack end-state stack-type)))))
|
||||
|
||||
(gen-specs "remove" check-remove :vector :item)
|
||||
|
||||
;;; vector/_replace
|
||||
|
||||
(defn check-replace
|
||||
[value-type vect toreplace replacement]
|
||||
(let [stack-type (keyword (str "vector_" value-type))
|
||||
value-stack (keyword value-type)
|
||||
start-state (state/push-to-stack
|
||||
(state/push-to-stack
|
||||
(state/push-to-stack state/empty-state
|
||||
stack-type
|
||||
vect)
|
||||
value-stack
|
||||
toreplace)
|
||||
value-stack
|
||||
replacement)
|
||||
end-state (vector/_replace stack-type start-state)
|
||||
expected-result (replace {toreplace replacement} vect)]
|
||||
(= expected-result
|
||||
(state/peek-stack end-state stack-type))))
|
||||
|
||||
(gen-specs "replace" check-replace :vector :item :item)
|
||||
|
||||
;;; vector/_replacefirst
|
||||
|
||||
(defn check-replacefirst
|
||||
[value-type vect toreplace replacement]
|
||||
(let [stack-type (keyword (str "vector_" value-type))
|
||||
value-stack (keyword value-type)
|
||||
start-state (state/push-to-stack
|
||||
(state/push-to-stack
|
||||
(state/push-to-stack state/empty-state
|
||||
stack-type
|
||||
vect)
|
||||
value-stack
|
||||
toreplace)
|
||||
value-stack
|
||||
replacement)
|
||||
end-state (vector/_replacefirst stack-type start-state)
|
||||
end-vector (state/peek-stack end-state stack-type)
|
||||
replacement-index (.indexOf vect toreplace)]
|
||||
(or
|
||||
(and (= replacement-index -1)
|
||||
(state/empty-stack? end-state value-stack)
|
||||
(= vect end-vector))
|
||||
(and (state/empty-stack? end-state value-stack)
|
||||
(= end-vector (assoc vect replacement-index replacement))))))
|
||||
|
||||
(gen-specs "replacefirst" check-replacefirst :vector :item :item)
|
||||
|
||||
;;; vector/_rest
|
||||
|
||||
(defn check-rest
|
||||
[value-type vect]
|
||||
(let [stack-type (keyword (str "vector_" value-type))
|
||||
start-state (state/push-to-stack state/empty-state
|
||||
stack-type
|
||||
vect)
|
||||
end-state (vector/_rest stack-type start-state)
|
||||
expected-result (vec (rest vect))]
|
||||
(= expected-result
|
||||
(state/peek-stack end-state stack-type))))
|
||||
|
||||
(gen-specs "rest" check-rest :vector)
|
||||
|
||||
;;; vector/_reverse
|
||||
|
||||
(defn check-reverse
|
||||
[value-type vect]
|
||||
(let [stack-type (keyword (str "vector_" value-type))
|
||||
start-state (state/push-to-stack state/empty-state
|
||||
stack-type
|
||||
vect)
|
||||
end-state (vector/_reverse stack-type start-state)
|
||||
expected-result (vec (reverse vect))]
|
||||
(= expected-result
|
||||
(state/peek-stack end-state stack-type))))
|
||||
|
||||
(gen-specs "reverse" check-reverse :vector)
|
||||
|
||||
;;; vector/_set
|
||||
|
||||
(defn check-set
|
||||
[value-type vect value n]
|
||||
(let [stack-type (keyword (str "vector_" value-type))
|
||||
value-stack (keyword value-type)
|
||||
start-state (state/push-to-stack
|
||||
(state/push-to-stack
|
||||
(state/push-to-stack state/empty-state
|
||||
stack-type
|
||||
vect)
|
||||
value-stack
|
||||
value)
|
||||
:integer
|
||||
n)
|
||||
end-state (vector/_set stack-type start-state)]
|
||||
(or
|
||||
(and
|
||||
(empty? vect)
|
||||
(not (state/empty-stack? end-state :integer))
|
||||
(not (state/empty-stack? end-state value-stack))
|
||||
(= vect (state/peek-stack end-state stack-type)))
|
||||
(and
|
||||
(= (state/peek-stack end-state stack-type)
|
||||
(assoc vect (mod n (count vect)) value))
|
||||
(state/empty-stack? end-state :integer)
|
||||
(state/empty-stack? end-state value-stack)))))
|
||||
|
||||
(gen-specs "set" check-set :vector :item :integer)
|
||||
|
||||
;;; vector/_subvec
|
||||
|
||||
(defn clean-subvec-bounds
|
||||
[start stop vect-size]
|
||||
(let [start (max 0 start)
|
||||
stop (max 0 stop)
|
||||
start (min start vect-size)
|
||||
stop (min stop vect-size)
|
||||
stop (max start stop)]
|
||||
[start stop]))
|
||||
|
||||
(defn check-subvec
|
||||
"Creates an otherwise empty Push state with the given vector on the
|
||||
appropriate vector stack (assumed to be :vector_<value-type>), and
|
||||
the given values on the integer stack.
|
||||
It then runs the vector/_subvec instruction, and confirms that the
|
||||
result (on the :vector_<value-type> stack) is the expected value."
|
||||
[value-type vect start stop]
|
||||
(let [stack-type (keyword (str "vector_" value-type))
|
||||
start-state (state/push-to-stack
|
||||
(state/push-to-stack
|
||||
(state/push-to-stack state/empty-state
|
||||
stack-type
|
||||
vect)
|
||||
:integer start)
|
||||
:integer stop)
|
||||
end-state (vector/_subvec stack-type start-state)
|
||||
[cleaned-start cleaned-stop] (clean-subvec-bounds start stop (count vect))
|
||||
expected-subvec (subvec vect cleaned-start cleaned-stop)]
|
||||
(= expected-subvec
|
||||
(state/peek-stack end-state stack-type))))
|
||||
|
||||
(gen-specs "subvec" check-subvec :vector :integer :integer)
|
||||
|
||||
;;; vector/_take
|
||||
|
||||
(defn check-take
|
||||
[value-type vect n]
|
||||
(let [stack-type (keyword (str "vector_" value-type))
|
||||
start-state (state/push-to-stack
|
||||
(state/push-to-stack state/empty-state
|
||||
stack-type
|
||||
vect)
|
||||
:integer
|
||||
n)
|
||||
end-state (vector/_take stack-type start-state)
|
||||
expected-result (vec (take n vect))]
|
||||
(= expected-result
|
||||
(state/peek-stack end-state stack-type))))
|
||||
|
||||
(gen-specs "take" check-take :vector :integer)
|
||||
Loading…
x
Reference in New Issue
Block a user