Merge pull request #15 from NicMcPhee/test-string-instructions
Test string instructions
This commit is contained in:
Lee Spector
GitHub
commit
d7c26902ca
@ -37,7 +37,7 @@
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:string_contains
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^{:stacks #{:boolean :string}}
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(fn [state]
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(make-instruction state string/includes? [:string :string] :boolean)))
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(make-instruction state #(string/includes? %2 %1) [:string :string] :boolean)))
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;; Pushes TRUE if the top CHAR is contained in the top STRING, and FALSE
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;; otherwise
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@ -67,7 +67,9 @@
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:string_first
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^{:stacks #{:char :string}}
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(fn [state]
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(make-instruction state first [:string] :char)))
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(make-instruction state
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#(if (empty? %) :ignore-instruction (first %))
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[:string] :char)))
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;; Pushes the STRING version of the top BOOLEAN, e.g. "true"
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(def-instruction
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@ -103,7 +105,11 @@
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:string_indexof_char
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^{:stacks #{:char :integer :string}}
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(fn [state]
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(make-instruction state string/index-of [:string :char] :integer)))
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(make-instruction state
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#(let [index (string/index-of %1 %2)]
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(if index index :ignore-instruction))
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[:string :char]
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:integer)))
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;; Iterates over the top STRING using code on the EXEC stack
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(def-instruction
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@ -129,12 +135,13 @@
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(state/push-to-stack :exec (state/peek-stack state :exec))
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(state/push-to-stack :char (first top-item))))))))
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;; Pushes the last CHAR of the top STRING
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;; Pushes the last CHAR of the top STRING.
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;; If the string is empty, do nothing
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(def-instruction
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:string_last
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^{:stacks #{:char :string}}
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(fn [state]
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(make-instruction state last [:string] :char)))
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(make-instruction state #(if (empty? %) :ignore-instruction (last %)) [:string] :char)))
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;; Pushes the length of the top STRING onto the INTEGER stack
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(def-instruction
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@ -150,7 +157,13 @@
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:string_nth
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^{:stacks #{:char :integer :string}}
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(fn [state]
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(make-instruction state #(nth %2 (mod %1 (count %2))) [:integer :string] :char)))
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(make-instruction state
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#(let [str-length (count %2)]
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(if (= 0 str-length)
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:ignore-instruction
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(nth %2 (mod %1 str-length))))
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[:integer :string]
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:char)))
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;; Pushes the number of times the top CHAR occurs in the top STRING onto the
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;; INTEGER stack
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@ -254,10 +267,12 @@
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^{:stacks #{:char :integer :string}}
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(fn [state]
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(make-instruction state
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#(let [index (mod %2 (count %3))
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#(if (empty? %3)
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:ignore-instruction
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(let [index (mod %2 (count %3))
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beginning (take index %3)
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end (drop (inc index) %3)]
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(apply str (concat beginning (list %1) end)))
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(apply str (concat beginning (list %1) end))))
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[:char :integer :string]
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:string)))
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560
test/propeller/push/instructions/string_spec.clj
Normal file
560
test/propeller/push/instructions/string_spec.clj
Normal file
@ -0,0 +1,560 @@
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(ns propeller.push.instructions.string-spec
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(:require
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[clojure.string :as string]
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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.core :as core]
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[propeller.push.instructions.string :as string-instructions]
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[propeller.push.interpreter :as interpreter]))
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;; string/butlast
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(defn check-butlast
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[value]
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(let [start-state (state/push-to-stack state/empty-state
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:string
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value)
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end-state ((:string_butlast @core/instruction-table) start-state)
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expected-result (apply str (butlast value))]
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(= expected-result
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(state/peek-stack end-state :string))))
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(defspec butlast-spec 100
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(prop/for-all [str gen/string]
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(check-butlast str)))
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;; string/concat
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(defn check-concat
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[value1 value2]
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(let [start-state (-> state/empty-state
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(state/push-to-stack :string value1)
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(state/push-to-stack :string value2))
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end-state ((:string_concat @core/instruction-table) start-state)
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expected-result (str value1 value2)]
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(= expected-result
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(state/peek-stack end-state :string))))
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(defspec concat-spec 100
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(prop/for-all [str1 gen/string
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str2 gen/string]
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(check-concat str1 str2)))
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;; string/conj-char
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(defn check-conj-char
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[value char]
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(let [start-state (-> state/empty-state
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(state/push-to-stack :string value)
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(state/push-to-stack :char char))
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end-state ((:string_conj_char @core/instruction-table) start-state)
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expected-result (str value char)]
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(= expected-result
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(state/peek-stack end-state :string))))
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(defspec conj-char-spec 100
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(prop/for-all [str gen/string
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char gen/char]
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(check-conj-char str char)))
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;; string/contains
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(defn check-contains
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[value1 value2]
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(let [start-state (-> state/empty-state
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(state/push-to-stack :string value1)
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(state/push-to-stack :string value2))
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end-state ((:string_contains @core/instruction-table) start-state)
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expected-result (string/includes? value2 value1)]
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(= expected-result
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(state/peek-stack end-state :boolean))))
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(defspec contains-spec 100
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(prop/for-all [str1 gen/string
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str2 gen/string]
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(check-contains str1 str2)))
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;; string/contains-char
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(defn check-contains-char
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[value char]
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(let [start-state (-> state/empty-state
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(state/push-to-stack :string value)
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(state/push-to-stack :char char))
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end-state ((:string_contains_char @core/instruction-table) start-state)
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expected-result (string/includes? value (str char))]
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(= expected-result
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(state/peek-stack end-state :boolean))))
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(defspec contains-char-spec 100
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(prop/for-all [str gen/string
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char gen/char]
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(check-contains-char str char)))
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;; string/drop
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(defn check-drop
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[value n]
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(let [start-state (-> state/empty-state
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(state/push-to-stack :string value)
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(state/push-to-stack :integer n))
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end-state ((:string_drop @core/instruction-table) start-state)
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expected-result (apply str (drop n value))]
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(= expected-result
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(state/peek-stack end-state :string))))
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(defspec drop-spec 100
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(prop/for-all [str gen/string
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int gen/small-integer]
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(check-drop str int)))
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;; string/empty-string
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(defn check-empty-string
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[value]
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(let [start-state (state/push-to-stack state/empty-state :string value)
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end-state ((:string_empty_string @core/instruction-table) start-state)
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expected-result (empty? value)]
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(= expected-result
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(state/peek-stack end-state :boolean))))
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(defspec empty-string-spec 100
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(prop/for-all [str gen/string]
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(check-empty-string str)))
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;; string/first
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(defn check-first
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[value]
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(let [start-state (state/push-to-stack state/empty-state :string value)
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end-state ((:string_first @core/instruction-table) start-state)
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expected-result (first value)]
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(or
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(and (empty? value)
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(= (state/peek-stack end-state :string) value)
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(state/empty-stack? end-state :char))
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(and (= expected-result
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(state/peek-stack end-state :char))
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(state/empty-stack? end-state :string)))))
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(defspec first-spec 100
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(prop/for-all [str gen/string]
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(check-first str)))
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;; string/from-boolean
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(defn check-from-boolean
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[value]
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(let [start-state (state/push-to-stack state/empty-state :boolean value)
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end-state ((:string_from_boolean @core/instruction-table) start-state)
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expected-result (str value)]
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(= expected-result
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(state/peek-stack end-state :string))))
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(defspec from-boolean-spec 10
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(prop/for-all [bool gen/boolean]
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(check-from-boolean bool)))
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;; string/from-char
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(defn check-from-char
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[value]
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(let [start-state (state/push-to-stack state/empty-state :char value)
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end-state ((:string_from_char @core/instruction-table) start-state)
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expected-result (str value)]
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(= expected-result
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(state/peek-stack end-state :string))))
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(defspec from-char-spec 100
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(prop/for-all [char gen/char]
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(check-from-char char)))
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;; string/from-float
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(defn check-from-float
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[value]
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(let [start-state (state/push-to-stack state/empty-state :float value)
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end-state ((:string_from_float @core/instruction-table) start-state)
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expected-result (str value)]
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(= expected-result
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(state/peek-stack end-state :string))))
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(defspec from-float-spec 100
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(prop/for-all [float gen/double]
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(check-from-float float)))
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;; string/from-integer
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(defn check-from-integer
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[value]
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(let [start-state (state/push-to-stack state/empty-state :integer value)
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end-state ((:string_from_integer @core/instruction-table) start-state)
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expected-result (str value)]
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(= expected-result
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(state/peek-stack end-state :string))))
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(defspec from-integer-spec 100
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(prop/for-all [int gen/small-integer]
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(check-from-integer int)))
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;; string/indexof-char
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(defn check-indexof-char
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[value char]
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(let [start-state (-> state/empty-state
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(state/push-to-stack :string value)
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(state/push-to-stack :char char))
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end-state ((:string_indexof_char @core/instruction-table) start-state)
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expected-result (string/index-of value char)]
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(or
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(and (not expected-result)
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(= (state/peek-stack end-state :string) value)
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(= (state/peek-stack end-state :char) char)
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(state/empty-stack? end-state :integer))
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(= expected-result
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(state/peek-stack end-state :integer)))))
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(defspec indexof-char-spec 100
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(prop/for-all [str gen/string
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char gen/char]
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(check-indexof-char str char)))
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;; string/iterate
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(defn check-iterate
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[value]
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(let [print-instr (keyword "char_print")
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iter-instr (keyword "string_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 :string value)
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(state/push-to-stack :output ""))
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; 4 times the string 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 value)))]
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(= value
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(state/peek-stack end-state :output))))
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(defspec iterate-spec 100
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(prop/for-all [value gen/string]
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(check-iterate value)))
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;; string/last
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(defn check-last
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[value]
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(let [start-state (state/push-to-stack state/empty-state :string value)
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end-state ((:string_last @core/instruction-table) start-state)
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expected-result (last value)]
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(or
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(and (empty? value)
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(state/empty-stack? end-state :char)
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(= value (state/peek-stack end-state :string)))
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(and (state/empty-stack? end-state :string)
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(= expected-result
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(state/peek-stack end-state :char))))))
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(defspec last-spec 100
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(prop/for-all [str gen/string]
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(check-last str)))
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;; string/length
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(defn check-length
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[value]
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(let [start-state (state/push-to-stack state/empty-state :string value)
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end-state ((:string_length @core/instruction-table) start-state)
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expected-result (count value)]
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(= expected-result
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(state/peek-stack end-state :integer))))
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(defspec length-spec 100
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(prop/for-all [str gen/string]
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(check-length str)))
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;; string/nth
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(defn check-nth
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[value n]
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(let [start-state (-> state/empty-state
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(state/push-to-stack :string value)
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(state/push-to-stack :integer n))
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end-state ((:string_nth @core/instruction-table) start-state)]
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(or
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(and (empty? value)
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(state/empty-stack? end-state :char)
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(= value (state/peek-stack end-state :string))
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(= n (state/peek-stack end-state :integer)))
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(= (nth value (mod n (count value)))
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(state/peek-stack end-state :char)))))
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(defspec nth-spec 100
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(prop/for-all [str gen/string
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int gen/small-integer]
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(check-nth str int)))
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;; string/occurencesof_char
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(defn check-occurencesof-char
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[value char]
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(let [start-state (-> state/empty-state
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(state/push-to-stack :string value)
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(state/push-to-stack :char char))
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end-state ((:string_occurencesof_char @core/instruction-table) start-state)
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expected-result (count (filter #(= char %) value))]
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(= expected-result
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(state/peek-stack end-state :integer))))
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(defspec occurencesof-char-spec 100
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(prop/for-all [str gen/string
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char gen/char]
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(check-occurencesof-char str char)))
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;; string/parse-to-chars
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(defn check-parse-to-chars
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[value]
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(let [start-state (state/push-to-stack state/empty-state :string value)
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end-state ((:string_parse_to_chars @core/instruction-table) start-state)
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;; Since split will return the empty string when given the empty string
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string-length (if (= 0 (count value)) 1 (count value))
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expected-result (string/split value #"")]
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(and
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(= expected-result
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(state/peek-stack-many end-state :string string-length))
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(-> end-state
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(state/pop-stack-many :string string-length)
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(state/empty-stack? :string)))))
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(defspec parse-to-chars-spec 100
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(prop/for-all [str gen/string]
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(check-parse-to-chars str)))
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;; string/remove-char
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(defn check-remove-char
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[value char]
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(let [start-state (-> state/empty-state
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(state/push-to-stack :string value)
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(state/push-to-stack :char char))
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end-state ((:string_remove_char @core/instruction-table) start-state)
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expected-result (apply str (filter #(not= char %) value))]
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(= expected-result
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(state/peek-stack end-state :string))))
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(defspec remove-char-spec 100
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(prop/for-all [str gen/string
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char gen/char]
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(check-remove-char str char)))
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|
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;; string/replace
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(defn check-replace
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[value1 value2 value3]
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(let [start-state (-> state/empty-state
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(state/push-to-stack :string value1)
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(state/push-to-stack :string value2)
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(state/push-to-stack :string value3))
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end-state ((:string_replace @core/instruction-table) start-state)
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expected-result (string/replace value1 value2 value3)]
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(= expected-result
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(state/peek-stack end-state :string))))
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(defspec replace-spec 100
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(prop/for-all [str1 gen/string
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str2 gen/string
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str3 gen/string]
|
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(check-replace str1 str2 str3)))
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|
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|
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;; string/replace-char
|
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|
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(defn check-replace-char
|
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[value char1 char2]
|
||||
(let [start-state (-> state/empty-state
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||||
(state/push-to-stack :string value)
|
||||
(state/push-to-stack :char char1)
|
||||
(state/push-to-stack :char char2))
|
||||
end-state ((:string_replace_char @core/instruction-table) start-state)
|
||||
expected-result (string/replace value char1 char2)]
|
||||
(= expected-result
|
||||
(state/peek-stack end-state :string))))
|
||||
|
||||
(defspec replace-char-spec 100
|
||||
(prop/for-all [str gen/string
|
||||
char1 gen/char
|
||||
char2 gen/char]
|
||||
(check-replace-char str char1 char2)))
|
||||
|
||||
|
||||
;; string/replace-first
|
||||
|
||||
(defn check-replace-first
|
||||
[value1 value2 value3]
|
||||
(let [start-state (-> state/empty-state
|
||||
(state/push-to-stack :string value1)
|
||||
(state/push-to-stack :string value2)
|
||||
(state/push-to-stack :string value3))
|
||||
end-state ((:string_replace_first @core/instruction-table) start-state)
|
||||
expected-result (string/replace-first value1 value2 value3)]
|
||||
(= expected-result
|
||||
(state/peek-stack end-state :string))))
|
||||
|
||||
(defspec replace-first-spec 100
|
||||
(prop/for-all [str1 gen/string
|
||||
str2 gen/string
|
||||
str3 gen/string]
|
||||
(check-replace-first str1 str2 str3)))
|
||||
|
||||
|
||||
;; string/replace-first-char
|
||||
|
||||
(defn check-replace-first-char
|
||||
[value char1 char2]
|
||||
(let [start-state (-> state/empty-state
|
||||
(state/push-to-stack :string value)
|
||||
(state/push-to-stack :char char1)
|
||||
(state/push-to-stack :char char2))
|
||||
end-state ((:string_replace_first_char @core/instruction-table) start-state)
|
||||
expected-result (string/replace-first value char1 char2)]
|
||||
(= expected-result
|
||||
(state/peek-stack end-state :string))))
|
||||
|
||||
(defspec replace-first-char-spec 100
|
||||
(prop/for-all [str gen/string
|
||||
char1 gen/char
|
||||
char2 gen/char]
|
||||
(check-replace-first-char str char1 char2)))
|
||||
|
||||
|
||||
;; string/rest
|
||||
|
||||
(defn check-rest
|
||||
[value]
|
||||
(let [start-state (state/push-to-stack state/empty-state :string value)
|
||||
end-state ((:string_rest @core/instruction-table) start-state)
|
||||
expected-result (apply str (rest value))]
|
||||
(= expected-result
|
||||
(state/peek-stack end-state :string))))
|
||||
|
||||
(defspec rest-spec 100
|
||||
(prop/for-all [str gen/string]
|
||||
(check-rest str)))
|
||||
|
||||
|
||||
;; string/reverse
|
||||
|
||||
(defn check-reverse
|
||||
[value]
|
||||
(let [start-state (state/push-to-stack state/empty-state :string value)
|
||||
end-state ((:string_reverse @core/instruction-table) start-state)
|
||||
expected-result (apply str (reverse value))]
|
||||
(= expected-result
|
||||
(state/peek-stack end-state :string))))
|
||||
|
||||
(defspec reverse-spec 100
|
||||
(prop/for-all [str gen/string]
|
||||
(check-reverse str)))
|
||||
|
||||
|
||||
;; string/set-char
|
||||
|
||||
(defn check-set-char
|
||||
[value char n]
|
||||
(let [start-state (-> state/empty-state
|
||||
(state/push-to-stack :string value)
|
||||
(state/push-to-stack :char char)
|
||||
(state/push-to-stack :integer n))
|
||||
end-state ((:string_set_char @core/instruction-table) start-state)]
|
||||
(or
|
||||
(and
|
||||
(empty? value)
|
||||
(= (state/peek-stack end-state :string) value)
|
||||
(= (state/peek-stack end-state :char) char)
|
||||
(= (state/peek-stack end-state :integer) n))
|
||||
(=
|
||||
(let [index (mod n (count value))
|
||||
start (subs value 0 index)
|
||||
end (subs value (+ index 1))]
|
||||
(str start char end))
|
||||
(state/peek-stack end-state :string)))))
|
||||
|
||||
(defspec set-char-spec 100
|
||||
(prop/for-all [str gen/string
|
||||
char gen/char
|
||||
int gen/small-integer]
|
||||
(check-set-char str char int)))
|
||||
|
||||
|
||||
;; string/split
|
||||
|
||||
(defn check-split
|
||||
[value]
|
||||
(let [start-state (state/push-to-stack state/empty-state :string value)
|
||||
end-state ((:string_split @core/instruction-table) start-state)
|
||||
our-split (string/split (string/trim value) #"\s+")
|
||||
num-items (count our-split)]
|
||||
(and
|
||||
(= (state/stack-size end-state :string) num-items)
|
||||
(every? identity
|
||||
(map =
|
||||
our-split
|
||||
(state/peek-stack-many end-state :string num-items))))))
|
||||
|
||||
(defspec split-spec 100
|
||||
(prop/for-all [str gen/string]
|
||||
(check-split str)))
|
||||
|
||||
|
||||
;; string/substr
|
||||
|
||||
(defn check-substr
|
||||
[instruction value start end]
|
||||
(let [start-state (-> state/empty-state
|
||||
(state/push-to-stack :string value)
|
||||
(state/push-to-stack :integer start)
|
||||
(state/push-to-stack :integer end))
|
||||
end-state ((instruction @core/instruction-table) start-state)
|
||||
str-len (count value)
|
||||
small (min str-len (max 0 start))
|
||||
big (min str-len (max 0 small end))
|
||||
expected-result (subs value small big)]
|
||||
(= expected-result
|
||||
(state/peek-stack end-state :string))))
|
||||
|
||||
(defspec substr-spec 100
|
||||
(prop/for-all
|
||||
[tuple (gen/let [str gen/string
|
||||
int1 (gen/large-integer* {:min -5 :max (+ 5 (count str))})
|
||||
int2 (gen/large-integer* {:min -5 :max (+ 5 (count str))})]
|
||||
[:string_substr, str, int1, int2])]
|
||||
(apply check-substr tuple)))
|
||||
|
||||
(defspec take-spec 100
|
||||
(prop/for-all
|
||||
[tuple (gen/let [str gen/string
|
||||
int (gen/large-integer* {:min -5 :max (+ 5 (count str))})]
|
||||
[:string_take, str, 0, int])]
|
||||
(apply check-substr tuple)))
|
||||
Loading…
x
Reference in New Issue
Block a user