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Much more work on test coverage, exposed probable bug.

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This commit is contained in:
Simon Brooke 2014-08-13 19:20:38 +01:00
parent 34bb22dbfe
commit 21c1044a6d
2 changed files with 28 additions and 5 deletions
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27
test/mw_parser/core_test.clj
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@ -1,13 +1,21 @@
(ns mw-parser.core-test
(:use clojure.pprint
mw-engine.core
mw-engine.utils
mw-engine.world)
(:require [clojure.test :refer :all]
[mw-parser.core :refer :all]))
(deftest primitives-tests
(testing "Simple functions supporting the parser"
(is (= (parse-simple-value '()) nil)
"if there's nothing to parse, return nil")
(is (= (first (parse-simple-value '("1234" "and" "that"))) 1234)
"a simple value is expected to be just a number.")
(is (= (first (parse-simple-value '("this" "and" "that"))) :this)
"or else just a keyword")
(is (= (first (parse-simple-value '("this" "and" "that") true))
'(get-int cell :this))
"...unless an integer is explicitly sought, in which case it should be something which gets an integer from the current cell")
(is (= (parse-value '()) nil)
"if there's nothing to parse, return nil")
(is (= (first (parse-value '("1234" "and" "that"))) 1234)
@ -17,6 +25,10 @@
(is (= (first (parse-value '("this" "and" "that") true))
'(get-int cell :this))
"...unless an integer is explicitly sought, in which case it should be something which gets an integer from the current cell")
(is (= (parse-property-value '()) nil)
"if there's nothing to parse, return nil")
(is (= (first (parse-property-value '("this" "and" "that"))) '(:this cell))
"Parsing a property value returns a code function to pull its value off the current cell")
))
@ -47,7 +59,16 @@
(is (thrown-with-msg?
Exception #"The properties 'x' and 'y' of a cell are reserved and should not be set in rule actions"
(parse-rule "if state is new then y should be 0"))
"Exception thrown on attempt to set 'y'")))
"Exception thrown on attempt to set 'y'")
(is (thrown? Exception (compile-rule "if state is new then x should be 0"))
"Can't set x property to number, as this would break the world")
(is (thrown? Exception (compile-rule "if state is new then y should be 0"))
"Can't set y property to number, as this would break the world")
(is (thrown? Exception (compile-rule "if state is new then x should be heath"))
"Can't set x property to symbol, as this would break the world")
(is (thrown? Exception (compile-rule "if state is new then y should be heath"))
"Can't set y property to symbol, as this would break the world")
))
(deftest correctness-tests
(testing "Simplest possible rule"
@ -87,6 +108,8 @@
{:state :grassland})
"Rule fires when condition is met")))
(testing "Can't set x or y properties")
(testing "Simple list membership rule"
(let [afn (compile-rule "if state is in heath or scrub or forest then state should be climax")]
(is (= (apply afn (list {:state :heath} nil))