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test.cljc
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test.cljc
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; Copyright (c) Alan Thompson. All rights reserved.
; The use and distribution terms for this software are covered by the Eclipse Public
; License 1.0 (http://opensource.org/licenses/eclipse-1.0.php) which can be found in the
; file epl-v10.html at the root of this distribution. By using this software in any
; fashion, you are agreeing to be bound by the terms of this license.
; You must not remove this notice, or any other, from this software.
(ns tupelo.test
"Testing functions."
#?(:cljs (:require-macros [tupelo.test]))
(:require
#?(:clj [clojure.test]
:cljs [cljs.test :as test] )
[tupelo.core :as t ]
[tupelo.string :as ts]
))
;-----------------------------------------------------------------------------
(defmacro deftest
"Alias for clojure.test/deftest"
[& forms] `(clojure.test/deftest ~@forms))
(defmacro testing
"Alias for clojure.test/testing"
[& forms] `(clojure.test/testing ~@forms))
(defmacro use-fixtures
"Alias for clojure.test/use-fixtures"
[& forms] `(clojure.test/use-fixturesg ~@forms))
;-----------------------------------------------------------------------------
(defmacro dotest ; #todo README & tests
"Like clojure.test/deftest, but doesn't require a test name. Usage:
(ns xyz..
(:use tupelo.test))
(dotest
(is= 5 (+ 2 3)) ; contraction of (is (= ...))
(isnt false) ; contraction of (is (not ...))
(set= [1 2 3] [3 2 1]) ; set equality semantics
(throws? (/ 1 0)))
"
[& body]
(let [test-name-sym (symbol (str "dotest-line-" (:line (meta &form))))]
`(def ~(vary-meta test-name-sym assoc
:test `(fn [] ~@body))
(fn [] (clojure.test/test-var (var ~test-name-sym))))))
(defmacro dotest-focus ; #todo README & tests
"Alias for tupelo.test/deftest-focus "
[& body]
(let [test-name-sym (symbol (str "dotest-line-" (:line (meta &form))))]
`(def ~(vary-meta test-name-sym assoc
:test `(fn [] ~@body)
:test-refresh/focus true)
(fn [] (clojure.test/test-var (var ~test-name-sym))))))
;-----------------------------------------------------------------------------
; For all the following arity tests, we use an `if` statement so the exception is thrown during
; the test execution, not during compilation.
(defmacro is
"Equivalent to clojure.test/is."
[& forms]
(if (not= (count forms) 1)
(let [line-str (str "[source line=" (:line (meta &form)) "]")]
`(throw (ex-info "tupelo.test/is requires exactly 1 form " {:line-str ~line-str })))
`(clojure.test/is ~@forms)))
(defmacro isnt ; #todo readme/test
"Use (isnt ...) instead of (is (not ...)) for clojure.test"
[& forms]
(if (not= (count forms) 1)
(let [line-str (str "[source line=" (:line (meta &form)) "]")]
`(throw (ex-info "tupelo.test/isnt requires exactly 1 form " {:line-str ~line-str })))
`(clojure.test/is (not ~@forms))))
;-----------------------------------------------------------------------------
(defmacro is= ; #todo readme/test
"Use (is= ...) instead of (is (= ...)) for clojure.test"
[& forms]
(if (<= (count forms) 1 )
(let [line-str (str "[source line=" (:line (meta &form)) "]")]
`(throw (ex-info "tupelo.test/is= requires at least 2 forms " {:line-str ~line-str })))
`(clojure.test/is (= ~@forms))))
(defmacro isnt= ; #todo readme/test
"Use (isnt= ...) instead of (is (not= ...)) for clojure.test"
[& forms]
(if (<= (count forms) 1 )
(let [line-str (str "[source line=" (:line (meta &form)) "]")]
`(throw (ex-info "tupelo.test/isnt= requires at least 2 forms " {:line-str ~line-str })))
`(clojure.test/is (not (= ~@forms)))))
; #todo use t/set=
(defmacro is-set= ; #todo readme/test
"Converts each input collection to a set, then tests for equality."
[& forms]
(if (<= (count forms) 1 )
(let [line-str (str "[source line=" (:line (meta &form)) "]")]
`(throw (ex-info "tupelo is-set= requires at least 2 forms " ~line-str)))
`(clojure.test/is (= ~@(mapv #(list 'set %) forms)))))
; #todo use tstr/nonblank=
(defmacro is-nonblank= ; #todo readme/test
"Returns true if each input string is equal treating all whitespace as equivalent."
[& forms]
(if (<= (count forms) 1 )
(let [line-str (str "[source line=" (:line (meta &form)) "]")]
`(throw (ex-info (str "tupelo is-nonblank= requires at least 2 forms " ~line-str))))
`(clojure.test/is (ts/nonblank= ~@forms) )))
; #todo use tstr/nonblank=
(defmacro is-nonblank-lines= ; #todo readme/test
"Returns true if each line of each input string is equal treating all whitespace as equivalent."
[& forms]
(if (<= (count forms) 1 )
(let [line-str (str "[source line=" (:line (meta &form)) "]")]
`(throw (ex-info (str "tupelo is-nonblank-lines= requires at least 2 forms " ~line-str))))
`(clojure.test/is (ts/nonblank-lines= ~@forms) )))
;-----------------------------------------------------------------------------
(def ^:dynamic *equality-digits-float=*
"Default number of digits that must match for 2 Float values to be considerd 'equal'."
4)
(defmacro is-float= ; #todo readme/test
"Use (is-float= ...) instead of (is (rel= ... :digits *digits-float=*))"
[& forms]
(if (<= (count forms) 1 )
; #todo make `throw-macro-error` helper function...???
(let [line-str (str "[source line=" (:line (meta &form)) "]")]
`(throw (ex-info "tupelo.test/is-float= requires at least 2 forms " {:line-str ~line-str })))
`(clojure.test/is (tupelo.core/rel= ~@forms :digits *equality-digits-float=*))))
(defmacro isnt-float= ; #todo readme/test
"Use (isnt-float= ...) instead of (is (rel= ... :digits *digits-float=*))"
[& forms]
(if (<= (count forms) 1 )
; #todo make `throw-macro-error` helper function...???
(let [line-str (str "[source line=" (:line (meta &form)) "]")]
`(throw (ex-info "tupelo.test/isnt-float= requires at least 2 forms " {:line-str ~line-str })))
`(clojure.test/is (not (tupelo.core/rel= ~@forms :digits *equality-digits-float=*)))))
(def ^:dynamic *equality-digits-double=*
"Default number of digits that must match for 2 Double values to be considerd 'equal'."
10)
(defmacro is-double= ; #todo readme/test
"Use (is-double= ...) instead of (is (rel= ... :digits *digits-double=*))"
[& forms]
(if (<= (count forms) 1 )
; #todo make `throw-macro-error` helper function...???
(let [line-str (str "[source line=" (:line (meta &form)) "]")]
`(throw (ex-info "tupelo.test/is-double= requires at least 2 forms " {:line-str ~line-str })))
`(clojure.test/is (tupelo.core/rel= ~@forms :digits *equality-digits-double=*))))
(defmacro isnt-double= ; #todo readme/test
"Use (isnt-double= ...) instead of (is (rel= ... :digits *digits-double=*))"
[& forms]
(if (<= (count forms) 1 )
; #todo make `throw-macro-error` helper function...???
(let [line-str (str "[source line=" (:line (meta &form)) "]")]
`(throw (ex-info "tupelo.test/isnt-double= requires at least 2 forms " {:line-str ~line-str })))
`(clojure.test/is (not (tupelo.core/rel= ~@forms :digits *equality-digits-double=*)))))
;-----------------------------------------------------------------------------
(defmacro throws? ; #todo document in readme
"Use (throws? ...) instead of (is (thrown? ...)) for clojure.test. Usage:
(throws? (/ 1 0)) ; catches any Throwable"
[& forms]
`(clojure.test/is
(try
~@forms
false ; fail if no exception thrown
(catch Throwable dummy#
true)))) ; if anything is thrown, test succeeds
; #todo #awt #bug in cljs if use (apply throws-impl forms) and [& forms]
(defmacro throws-not? ; #todo document in readme
"The opposite of (throws? ...)"
[& forms]
`(clojure.test/is
(try
~@forms
true ; succeed if no exception thrown
(catch Throwable dummy#
false)))) ; if anything is thrown, test fails
;---------------------------------------------------------------------------------------------------
; non-CLJS follows ;
#?(:clj (do
; (defn use-fixtures-all [& args] (apply test/use-fixtures args)) #todo why is this here???
(defn ^:no-doc define-fixture-impl
[ctx mode interceptor-map]
(let [enter-fn (or (:enter interceptor-map) `identity)
leave-fn (or (:leave interceptor-map) `identity) ]
`(clojure.test/use-fixtures ~mode
(fn ~'fixture-fn [tgt-fn#] ; #todo
(~enter-fn ~ctx)
(tgt-fn#)
(~leave-fn ~ctx))))
)
(defmacro define-fixture
[mode interceptor-map]
(assert (contains? #{:each :once} mode))
(assert (map? interceptor-map))
(let [ctx (meta &form)]
(define-fixture-impl ctx mode interceptor-map)))
; #todo ^:slow not working (always executed); need to fix
; #todo maybe def-anon-spec or anon-spec; maybe (gen-spec 999 ...) or (gen-test 999 ...)
; #todo maybe integrate with `dotest` like: (dotest 999 ...) ; 999 1st item implies generative test
(defmacro dospec [& body] ; #todo README & tests
(let [test-name-sym (symbol (str "dospec-line-" (:line (meta &form))))]
`(clojure.test.check.clojure-test/defspec ^:slow ~test-name-sym ~@body)))
(defmacro check-is [& body] ; #todo README & tests
`(clojure.test/is (t/grab :result (clojure.test.check/quick-check ~@body))))
(defmacro check-isnt [& body] ; #todo README & tests
`(clojure.test/is (not (t/grab :result (clojure.test.check/quick-check ~@body)))))
; #todo: gen/elements -> clojure.check/rand-nth
))