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Move =? cond to function to reduce generated code #40

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Nov 22, 2024
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Move =? cond to function to reduce generated code #40

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94 changes: 49 additions & 45 deletions src/expectations/clojure/test.cljc
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Original file line number Diff line number Diff line change
Expand Up @@ -155,6 +155,48 @@
(clojure.string/replace b in-both ""))
"\n"))

(defn ^:no-doc =?-impl
"Perform comparison of expected vs actual, build :expected and :actual forms."
[{:keys [e e# a a# conform?]}]
(cond conform?
[(s/valid? e# a#)
(s/explain-str e# a#)
(list 's/valid? e a)
(list 'not (list 's/valid? e a#))]
(fn? e#)
[(e# a#)
(str a " did not satisfy " e "\n")
(list e a)
(list 'not (list e a#))]
(isa? (type e#)
#?(:clj java.util.regex.Pattern
:cljs (type #"regex")))
[(some? (re-find e# a#))
(str (pr-str a#) " did not match " (pr-str e#) "\n")
(list 're-find e a)
(list 'not (list 're-find e# a#))]
#?(:clj (and (class? e#) (class? a#))
:cljs false) ; maybe figure this out later
[(isa? a# e#) ; (expect parent child)
(str a# " is not derived from " e# "\n")
(list 'isa? a e)
(list 'not (list 'isa? a# e#))]
#?(:clj (class? e#)
:cljs false) ; maybe figure this out later
[(instance? e# a#) ; (expect klazz object)
(str a#
#?(:clj (str " (" (class a#) ")"))
" is not an instance of " e# "\n")
(list 'instance? e a)
#?(:clj (class a#))]
:else
[(= e# a#)
(when (and (string? e#) (string? a#) (not= e# a#))
(let [[_# _# in-both#] (str-diff e# a#)]
(str-msg e# a# in-both#)))
(list '= e a)
(list 'not= e# a#)]))

;; smart equality extension to clojure.test assertion -- if the expected form
;; is a predicate (function) then the assertion is equivalent to (is (e a))
;; rather than (is (= e a)) and we need the type check done at runtime, not
Expand All @@ -169,47 +211,9 @@
`(let [e# ~e
a# ~a
f# ~form'
valid?# (when ~conform? s/valid?)
explain-str?# (when ~conform? s/explain-str)
[r# m# ef# af#]
(cond ~conform?
[(valid?# e# a#)
(explain-str?# e# a#)
(list '~'s/valid? '~e '~a)
(list '~'not (list '~'s/valid? '~e a#))]
(fn? e#)
[(e# a#)
(str '~a " did not satisfy " '~e "\n")
(list '~e '~a)
(list '~'not (list '~e a#))]
(isa? (type e#)
#?(:clj java.util.regex.Pattern
:cljs (type #"regex")))
[(some? (re-find e# a#))
(str (pr-str a#) " did not match " (pr-str e#) "\n")
(list '~'re-find '~e '~a)
(list '~'not (list '~'re-find e# a#))]
#?(:clj (and (class? e#) (class? a#))
:cljs false) ; maybe figure this out later
[(isa? a# e#) ; (expect parent child)
(str a# " is not derived from " e# "\n")
(list '~'isa? '~a '~e)
(list '~'not (list '~'isa? a# e#))]
#?(:clj (class? e#)
:cljs false) ; maybe figure this out later
[(instance? e# a#) ; (expect klazz object)
(str a#
#?(:clj (str " (" (class a#) ")"))
" is not an instance of " e# "\n")
(list '~'instance? '~e '~a)
#?(:clj (class a#))]
:else
[(= e# a#)
(when (and (string? e#) (string? a#) (not= e# a#))
(let [[_# _# in-both#] (str-diff e# a#)]
(str-msg e# a# in-both#)))
(list '~'= '~e '~a)
(list '~'not= e# a#)])
[r# m# ef# af#] (=?-impl {:e '~e :e# e#
:a '~a :a# a#
:conform? ~conform?})
humane?# (and humane-test-output? (not (fn? e#)) (not ~conform?))]
(if r#
(t/do-report {:type :pass, :message ~msg,
Expand All @@ -218,7 +222,7 @@
a#)})
(t/do-report
{:type :fail,
:message (if m# (if ~msg (str ~msg "\n" m#) m#) ~msg)
:message (if m# (if-let [msg# ~msg] (str msg# "\n" m#) m#) ~msg)
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Also evals msg once so it doesn't put a potentially big msg in multiple times (in addition to wasting effort executing it multiple times).

:diffs (if humane?#
[[a# (take 2 (data/diff e# a#))]]
[])
Expand Down Expand Up @@ -303,8 +307,8 @@
(let [within (if (and (sequential? e')
(symbol? (first e'))
(= "expect" (name (first e'))))
`(pr-str '~e')
`(pr-str (list '~'expect '~e' '~a)))
(pr-str e')
(pr-str (list 'expect e' a)))
msg' `(str/join
"\n"
(cond-> []
Expand All @@ -313,7 +317,7 @@
~(not= e e')
(conj (str " within: " ~within))
:else
(conj (str (pr-str '~a) "\n"))))]
(conj ~(str (pr-str a) "\n"))))]
(cond
(and (sequential? a)
(symbol? (first a))
Expand Down