hy/tests/native_tests/language.hy

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(import [tests.resources [kwtest function-with-a-dash]]
[os.path [exists isdir isfile]]
[sys :as systest])
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(import sys)
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(import [hy._compat [PY33 PY34]])
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(defn test-sys-argv []
"NATIVE: test sys.argv"
;; BTW, this also tests inline comments. Which suck to implement.
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(assert (isinstance sys.argv list)))
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(defn test-lists []
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"NATIVE: test lists work right"
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(assert (= [1 2 3 4] (+ [1 2] [3 4]))))
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(defn test-dicts []
"NATIVE: test dicts work right"
(assert (= {1 2 3 4} {3 4 1 2}))
(assert (= {1 2 3 4} {1 (+ 1 1) 3 (+ 2 2)})))
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(defn test-setv-get []
"NATIVE: test setv works on a get expression"
(setv foo [0 1 2])
(setv (get foo 0) 12)
(assert (= (get foo 0) 12)))
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(defn test-for-loop []
"NATIVE: test for loops"
(setv count 0)
(for [x [1 2 3 4 5]]
(setv count (+ count x)))
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(assert (= count 15))
(setv count 0)
(for [x [1 2 3 4 5]
y [1 2 3 4 5]]
(setv count (+ count x y)))
(assert (= count 150))
(assert (= (list ((fn [] (for [x [[1] [2 3]] y x] (yield y)))))
(list-comp y [x [[1] [2 3]] y x])))
(assert (= (list ((fn [] (for [x [[1] [2 3]] y x z (range 5)] (yield z)))))
(list-comp z [x [[1] [2 3]] y x z (range 5)]))))
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(defn test-nasty-for-nesting []
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"NATIVE: test nesting for loops harder"
;; This test and feature is dedicated to @nedbat.
;; let's ensure empty iterating is an implicit do
(setv t 0)
(for [] (setv t 1))
(assert (= t 1))
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;; OK. This first test will ensure that the else is hooked up to the
;; for when we break out of it.
(for [x (range 2)
y (range 2)]
(break)
(else (throw Exception)))
;; OK. This next test will ensure that the else is hooked up to the
;; "inner" iteration
(for [x (range 2)
y (range 2)]
(if (= y 1) (break))
(else (throw Exception)))
;; OK. This next test will ensure that the else is hooked up to the
;; "outer" iteration
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(for [x (range 2)
y (range 2)]
(if (= x 1) (break))
(else (throw Exception)))
;; OK. This next test will ensure that we call the else branch exactly
;; once.
(setv flag 0)
(for [x (range 2)
y (range 2)]
(+ 1 1)
(else (setv flag (+ flag 2))))
(assert (= flag 2)))
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(defn test-while-loop []
"NATIVE: test while loops?"
(setv count 5)
(setv fact 1)
(while (> count 0)
(setv fact (* fact count))
(setv count (- count 1)))
(assert (= count 0))
(assert (= fact 120)))
(defn test-not []
"NATIVE: test not"
(assert (not (= 1 2)))
(assert (= true (not false)))
(assert (= false (not 42))) )
(defn test-inv []
"NATIVE: test inv"
(assert (= (~ 1) -2))
(assert (= (~ -2) 1)))
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(defn test-in []
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"NATIVE: test in"
(assert (in "a" ["a" "b" "c" "d"]))
(assert (not-in "f" ["a" "b" "c" "d"])))
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(defn test-noteq []
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"NATIVE: not eq"
(assert (!= 2 3)))
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(defn test-numops []
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"NATIVE: test numpos"
(assert (> 5 4 3 2 1))
(assert (< 1 2 3 4 5))
(assert (<= 5 5 5 5 ))
(assert (>= 5 5 5 5 )))
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(defn test-is []
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"NATIVE: test is can deal with None"
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(setv a nil)
(assert (is a nil))
(assert (is-not a "b"))
(assert (none? a)))
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(defn test-branching []
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"NATIVE: test if branching"
(if true
(assert (= 1 1))
(assert (= 2 1))))
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(defn test-branching-with-do []
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"NATIVE: test if branching (multiline)"
(if false
(assert (= 2 1))
(do
(assert (= 1 1))
(assert (= 1 1))
(assert (= 1 1)))))
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(defn test-branching-expr-count-with-do []
"NATIVE: make sure we execute the right number of expressions in the branch"
(setv counter 0)
(if false
(assert (= 2 1))
(do
(setv counter (+ counter 1))
(setv counter (+ counter 1))
(setv counter (+ counter 1))))
(assert (= counter 3)))
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(defn test-cond []
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"NATIVE: test if cond sorta works."
(cond
[(= 1 2) (assert (is true false))]
[(is null null) (assert (is true true))]))
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(defn test-index []
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"NATIVE: Test that dict access works"
(assert (= (get {"one" "two"} "one") "two"))
(assert (= (get [1 2 3 4 5] 1) 2))
(assert (= (get {"first" {"second" {"third" "level"}}}
"first" "second" "third")
"level"))
(assert (= (get ((fn [] {"first" {"second" {"third" "level"}}}))
"first" "second" "third")
"level"))
(assert (= (get {"first" {"second" {"third" "level"}}}
((fn [] "first")) "second" "third")
"level")))
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(defn test-lambda []
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"NATIVE: test lambda operator"
(setv square (lambda [x] (* x x)))
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(assert (= 4 (square 2)))
(setv lambda_list (lambda [test &rest args] (, test args)))
(assert (= (, 1 (, 2 3)) (lambda_list 1 2 3))))
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(defn test-imported-bits []
"NATIVE: test the imports work"
(assert (is (exists ".") true))
(assert (is (isdir ".") true))
(assert (is (isfile ".") false)))
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(defn test-kwargs []
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"NATIVE: test kwargs things."
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(assert (= (apply kwtest [] {"one" "two"}) {"one" "two"}))
(setv mydict {"one" "three"})
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(assert (= (apply kwtest [] mydict) mydict))
(assert (= (apply kwtest [] ((fn [] {"one" "two"}))) {"one" "two"})))
(defn test-apply []
"NATIVE: test working with args and functions"
(defn sumit [a b c] (+ a b c))
(assert (= (apply sumit [1] {"b" 2 "c" 3}) 6))
(assert (= (apply sumit [1 2 2]) 5))
(assert (= (apply sumit [] {"a" 1 "b" 1 "c" 2}) 4))
(assert (= (apply sumit ((fn [] [1 1])) {"c" 1}) 3))
(defn noargs [] [1 2 3])
(assert (= (apply noargs) [1 2 3])))
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(defn test-apply-with-methods []
"NATIVE: test apply to call a method"
(setv str "foo {bar}")
(assert (= (apply .format [str] {"bar" "baz"})
(apply .format ["foo {0}" "baz"])
"foo baz"))
(setv lst ["a {0} {1} {foo} {bar}" "b" "c"])
(assert (= (apply .format lst {"foo" "d" "bar" "e"})
"a b c d e")))
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(defn test-dotted []
"NATIVE: test dotted invocation"
(assert (= (.join " " ["one" "two"]) "one two")))
(defn test-do []
"NATIVE: test do"
(do))
(defn test-bare-try [] (try
(try (raise ValueError))
(except [ValueError])
(else (assert false))))
(defn test-exceptions []
"NATIVE: test Exceptions"
(try)
(try (do))
(try (do))
(try (do) (except))
(try (do) (except [IOError]) (except))
;; Test correct (raise)
(let [[passed false]]
(try
(try
(raise IndexError)
(except [IndexError] (raise)))
(except [IndexError]
(setv passed true)))
(assert passed))
;; Test incorrect (raise)
(let [[passed false]]
(try
(raise)
;; Python 2 raises TypeError
;; Python 3 raises RuntimeError
(except [[TypeError RuntimeError]]
(setv passed true)))
(assert passed))
;; Test (finally)
(let [[passed false]]
(try
(do)
(finally (setv passed true)))
(assert passed))
;; Test (finally) + (raise)
(let [[passed false]]
(try
(raise Exception)
(except)
(finally (setv passed true)))
(assert passed))
;; Test (finally) + (raise) + (else)
(let [[passed false]
[not-elsed true]]
(try
(raise Exception)
(except)
(else (setv not-elsed false))
(finally (setv passed true)))
(assert passed)
(assert not-elsed))
(try
(raise (KeyError))
(catch [[IOError]] (assert false))
(catch [e [KeyError]] (assert e)))
(try
(throw (KeyError))
(except [[IOError]] (assert false))
(catch [e [KeyError]] (assert e)))
(try
(get [1] 3)
(catch [IndexError] (assert true))
(except [IndexError] (do)))
(try
(print foobar42ofthebaz)
(catch [IndexError] (assert false))
(except [NameError] (do)))
(try
(get [1] 3)
(except [e IndexError] (assert (isinstance e IndexError))))
(try
(get [1] 3)
(catch [e [IndexError NameError]] (assert (isinstance e IndexError))))
(try
(print foobar42ofthebaz)
(except [e [IndexError NameError]] (assert (isinstance e NameError))))
(try
(print foobar42)
(catch [[IndexError NameError]] (do)))
(try
(get [1] 3)
(catch [[IndexError NameError]] (do)))
(try
(print foobar42ofthebaz)
(catch))
(try
(print foobar42ofthebaz)
(except []))
(try
(print foobar42ofthebaz)
(except [] (do)))
(try
(print foobar42ofthebaz)
(catch []
(setv foobar42ofthebaz 42)
(assert (= foobar42ofthebaz 42))))
(let [[passed false]]
(try
(try (do) (except) (else (bla)))
(except [NameError] (setv passed true)))
(assert passed))
(let [[x 0]]
(try
(raise IOError)
(except [IOError]
(setv x 45))
(else (setv x 44)))
(assert (= x 45)))
(let [[x 0]]
(try
(raise KeyError)
(except []
(setv x 45))
(else (setv x 44)))
(assert (= x 45)))
(let [[x 0]]
(try
(try
(raise KeyError)
(except [IOError]
(setv x 45))
(else (setv x 44)))
(except))
(assert (= x 0))))
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(defn test-earmuffs []
"NATIVE: Test earmuffs"
(setv *foo* "2")
(setv foo "3")
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(assert (= *foo* FOO))
(assert (!= *foo* foo)))
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(defn test-threading []
"NATIVE: test threading macro"
(assert (= (-> (.upper "a b c d") (.replace "A" "X") (.split))
["X" "B" "C" "D"])))
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(defn test-tail-threading []
"NATIVE: test tail threading macro"
(assert (= (.join ", " (* 10 ["foo"]))
(->> ["foo"] (* 10) (.join ", ")))))
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(defn test-threading-two []
"NATIVE: test threading macro"
(assert (= (-> "a b c d" .upper (.replace "A" "X") .split)
["X" "B" "C" "D"])))
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(defn test-assoc []
"NATIVE: test assoc"
(setv vals {"one" "two"})
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(assoc vals "two" "three")
(assert (= (get vals "two") "three")))
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(defn test-multiassoc []
"NATIVE: test assoc multiple values"
(setv vals {"one" "two"})
(assoc vals "two" "three" "four" "five")
(assert (and (= (get vals "two") "three") (= (get vals "four") "five") (= (get vals "one") "two"))))
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(defn test-pass []
"NATIVE: Test pass worksish"
(if true (do) (do))
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(assert (= 1 1)))
(defn test-yield []
"NATIVE: test yielding"
(defn gen [] (for [x [1 2 3 4]] (yield x)))
(setv ret 0)
(for [y (gen)] (setv ret (+ ret y)))
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(assert (= ret 10)))
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(defn test-yield-with-return []
"NATIVE: test yield with return"
(defn gen [] (yield 3) "goodbye")
(if PY33
(do (setv gg (gen))
(assert (= 3 (next gg)))
(try (next gg)
(except [e StopIteration] (assert (hasattr e "value"))
(assert (= (getattr e "value") "goodbye")))))
(do (setv gg (gen))
(assert (= 3 (next gg)))
(try (next gg)
(except [e StopIteration] (assert (not (hasattr e "value"))))))))
(defn test-yield-in-try []
"NATIVE: test yield in try"
(defn gen []
(let [[x 1]]
(try (yield x)
(finally (print x)))))
(setv output (list (gen)))
(assert (= [1] output)))
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(defn test-first []
"NATIVE: test firsty things"
(assert (= (first [1 2 3 4 5]) 1))
(assert (= (car [1 2 3 4 5]) 1)))
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(defn test-slice []
"NATIVE: test slice"
(assert (= (slice [1 2 3 4 5] 1) [2 3 4 5]))
(assert (= (slice [1 2 3 4 5] 1 3) [2 3]))
(assert (= (slice [1 2 3 4 5]) [1 2 3 4 5])))
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(defn test-take []
"NATIVE: test take"
(assert (= (take 0 [2 3]) []))
(assert (= (take 1 [2 3]) [2]))
(assert (= (take 2 [2 3]) [2 3])))
(defn test-drop []
"NATIVE: test drop"
(assert (= (list (drop 0 [2 3])) [2 3]))
(assert (= (list (drop 1 [2 3])) [3]))
(assert (= (list (drop 2 [2 3])) [])))
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(defn test-rest []
"NATIVE: test rest"
(assert (= (list (rest [1 2 3 4 5])) [2 3 4 5])))
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(defn test-importas []
"NATIVE: test import as"
(assert (!= (len systest.path) 0)))
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(defn test-context []
"NATIVE: test with"
(with [[fd (open "README.md" "r")]] (assert fd))
(with [[(open "README.md" "r")]] (do)))
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(defn test-with-return []
"NATIVE: test that with returns stuff"
(defn read-file [filename]
(with [[fd (open filename "r")]] (.read fd)))
(assert (!= 0 (len (read-file "README.md")))))
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(defn test-for-doodle []
"NATIVE: test for-do"
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(do (do (do (do (do (do (do (do (do (setv (, x y) (, 0 0)))))))))))
(for [- [1 2]]
(do
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(setv x (+ x 1))
(setv y (+ y 1))))
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(assert (= y x 2)))
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(defn test-for-else []
"NATIVE: test for else"
(let [[x 0]]
(for* [a [1 2]]
(setv x (+ x a))
(else (setv x (+ x 50))))
(assert (= x 53)))
(let [[x 0]]
(for* [a [1 2]]
(setv x (+ x a))
(else))
(assert (= x 3))))
(defn test-list-comprehensions []
"NATIVE: test list comprehensions"
(assert (= (list-comp (* x 2) (x (range 2))) [0 2]))
(assert (= (list-comp (* x 2) (x (range 4)) (% x 2)) [2 6]))
(assert (= (sorted (list-comp (* y 2) ((, x y) (.items {"1" 1 "2" 2}))))
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[2 4]))
(assert (= (list-comp (, x y) (x (range 2) y (range 2)))
[(, 0 0) (, 0 1) (, 1 0) (, 1 1)]))
(assert (= (list-comp j (j [1 2])) [1 2])))
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(defn test-set-comprehensions []
"NATIVE: test set comprehensions"
(assert (instance? set (set-comp x [x (range 2)])))
(assert (= (set-comp (* x 2) (x (range 2))) (set [0 2])))
(assert (= (set-comp (* x 2) (x (range 4)) (% x 2)) (set [2 6])))
(assert (= (set-comp (* y 2) ((, x y) (.items {"1" 1 "2" 2})))
(set [2 4])))
(assert (= (set-comp (, x y) (x (range 2) y (range 2)))
(set [(, 0 0) (, 0 1) (, 1 0) (, 1 1)])))
(assert (= (set-comp j (j [1 2])) (set [1 2]))))
(defn test-dict-comprehensions []
"NATIVE: test dict comprehensions"
(assert (instance? dict (dict-comp x x [x (range 2)])))
(assert (= (dict-comp x (* x 2) (x (range 2))) {1 2 0 0}))
(assert (= (dict-comp x (* x 2) (x (range 4)) (% x 2)) {3 6 1 2}))
(assert (= (dict-comp x (* y 2) ((, x y) (.items {"1" 1 "2" 2})))
{"2" 4 "1" 2}))
(assert (= (dict-comp (, x y) (+ x y) (x (range 2) y (range 2)))
{(, 0 0) 0 (, 1 0) 1 (, 0 1) 1 (, 1 1) 2})))
(defn test-generator-expressions []
"NATIVE: test generator expressions"
(assert (not (instance? list (genexpr x [x (range 2)]))))
(assert (= (list (genexpr (* x 2) (x (range 2)))) [0 2]))
(assert (= (list (genexpr (* x 2) (x (range 4)) (% x 2))) [2 6]))
(assert (= (list (sorted (genexpr (* y 2) ((, x y) (.items {"1" 1 "2" 2})))))
[2 4]))
(assert (= (list (genexpr (, x y) (x (range 2) y (range 2))))
[(, 0 0) (, 0 1) (, 1 0) (, 1 1)]))
(assert (= (list (genexpr j (j [1 2]))) [1 2])))
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(defn test-defn-order []
"NATIVE: test defn evaluation order"
(setv acc [])
(defn my-fun []
(.append acc "Foo")
(.append acc "Bar")
(.append acc "Baz"))
(my-fun)
(assert (= acc ["Foo" "Bar" "Baz"])))
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(defn test-defn-return []
"NATIVE: test defn return"
(defn my-fun [x]
(+ x 1))
(assert (= 43 (my-fun 42))))
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(defn test-defn-do []
"NATIVE: test defn evaluation order with do"
(setv acc [])
(defn my-fun []
(do
(.append acc "Foo")
(.append acc "Bar")
(.append acc "Baz")))
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(my-fun)
(assert (= acc ["Foo" "Bar" "Baz"])))
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(defn test-defn-do-return []
"NATIVE: test defn return with do"
(defn my-fun [x]
(do
(+ x 42) ; noop
(+ x 1)))
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(assert (= 43 (my-fun 42))))
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(defn test-mangles []
"NATIVE: test mangles"
(assert (= 2 ((fn [] (+ 1 1))))))
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(defn test-fn-return []
"NATIVE: test function return"
(setv fn-test ((fn [] (fn [] (+ 1 1)))))
(assert (= (fn-test) 2))
(setv fn-test (fn []))
(assert (= (fn-test) None)))
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(defn test-let []
"NATIVE: test let works rightish"
(assert (= (let [[x 1] [y 2] [z 3]] (+ x y z)) 6))
(assert (= (let [[x 1] a [y 2] b] (if a 1 2)) 2)))
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(defn test-if-mangler []
"NATIVE: test that we return ifs"
(assert (= true (if true true true))))
(defn test-nested-mangles []
"NATIVE: test that we can use macros in mangled code"
(assert (= ((fn [] (-> 2 (+ 1 1) (* 1 2)))) 8)))
(defn test-let-scope []
"NATIVE: test let works rightish"
(setv y 123)
(assert (= (let [[x 1]
[y 2]
[z 3]]
(+ x y z))
6))
(try
(assert (= x 42)) ; This ain't true
(catch [e [NameError]] (assert e)))
(assert (= y 123)))
(defn test-symbol-utf-8 []
"NATIVE: test symbol encoded"
(let [[ "love"]
[ "flower"]]
(assert (= (+ ) "flowerlove"))))
(defn test-symbol-dash []
"NATIVE: test symbol encoded"
(let [[- "doublelove"]
[-_- "what?"]]
(assert (= - "doublelove"))
(assert (= -_- "what?"))))
(defn test-symbol-question-mark []
"NATIVE: test foo? -> is_foo behavior"
(let [[foo? "nachos"]]
(assert (= is_foo "nachos"))))
(defn test-and []
"NATIVE: test the and function"
(let [[and123 (and 1 2 3)]
[and-false (and 1 False 3)]]
(assert (= and123 3))
(assert (= and-false False))))
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(defn test-or []
"NATIVE: test the or function"
(let [[or-all-true (or 1 2 3 True "string")]
[or-some-true (or False "hello")]
[or-none-true (or False False)]]
(assert (= or-all-true 1))
(assert (= or-some-true "hello"))
(assert (= or-none-true False))))
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(defn test-if-return-branching []
"NATIVE: test the if return branching"
; thanks, algernon
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(assert (= 1 (let [[x 1]
[y 2]]
(if true
2)
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1)))
(assert (= 1 (let [[x 1] [y 2]]
(do)
(do)
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((fn [] 1))))))
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(defn test-keyword []
"NATIVE: test if keywords are recognised"
(assert (= :foo :foo))
(assert (= (get {:foo "bar"} :foo) "bar"))
(assert (= (get {:bar "quux"} (get {:foo :bar} :foo)) "quux")))
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(defn test-keyword-clash []
"NATIVE: test that keywords do not clash with normal strings"
(assert (= (get {:foo "bar" ":foo" "quux"} :foo) "bar"))
(assert (= (get {:foo "bar" ":foo" "quux"} ":foo") "quux")))
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(defn test-nested-if []
"NATIVE: test nested if"
(for [x (range 10)]
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(if (in "foo" "foobar")
(do
(if true true true))
(do
(if false false false)))))
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(defn test-eval []
"NATIVE: test eval"
(assert (= 2 (eval (quote (+ 1 1)))))
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(setv x 2)
(assert (= 4 (eval (quote (+ x 2)))))
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(setv test-payload (quote (+ x 2)))
(setv x 4)
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(assert (= 6 (eval test-payload)))
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(assert (= 9 ((eval (quote (fn [x] (+ 3 3 x)))) 3)))
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(assert (= 1 (eval (quote 1))))
(assert (= "foobar" (eval (quote "foobar"))))
(setv x (quote 42))
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(assert (= x (eval x)))
(assert (= 27 (eval (+ (quote (*)) (* [(quote 3)] 3)))))
(assert (= None (eval (quote (print ""))))))
(defn test-import-syntax []
"NATIVE: test the import syntax."
;; Simple import
(import sys os)
;; from os.path import basename
(import [os.path [basename]])
(assert (= (basename "/some/path") "path"))
;; import os.path as p
(import [os.path :as p])
(assert (= p.basename basename))
;; from os.path import basename as bn
(import [os.path [basename :as bn]])
(assert (= bn basename))
(import [sys])
;; Multiple stuff to import
(import sys [os.path [dirname]]
[os.path :as op]
[os.path [dirname :as dn]])
(assert (= (dirname "/some/path") "/some"))
(assert (= op.dirname dirname))
(assert (= dn dirname)))
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(defn test-lambda-keyword-lists []
"NATIVE: test lambda keyword lists"
(defn foo (x &rest xs &kwargs kw) [x xs kw])
(assert (= (foo 10 20 30) [10 (, 20 30) {}])))
(defn test-key-arguments []
"NATIVE: test &key function arguments"
(defn foo [&key {"a" None "b" 1}] [a b])
(assert (= (foo) [None 1]))
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(assert (= (apply foo [] {"a" 2}) [2 1]))
(assert (= (apply foo [] {"b" 42}) [None 42])))
(defn test-optional-arguments []
"NATIVE: test &optional function arguments"
(defn foo [a b &optional c [d 42]] [a b c d])
(assert (= (foo 1 2) [1 2 None 42]))
(assert (= (foo 1 2 3) [1 2 3 42]))
(assert (= (foo 1 2 3 4) [1 2 3 4])))
(defn test-undefined-name []
"NATIVE: test that undefined names raise errors"
(try
(do
xxx
(assert False))
(except [NameError])))
(defn test-if-let-mixing []
"NATIVE: test that we can now mix if and let"
(assert (= 0 (if true (let [[x 0]] x) 42))))
(defn test-if-in-if []
"NATIVE: test that we can use if in if"
(assert (= 42
(if (if 1 True False)
42
43)))
(assert (= 43
(if (if 0 True False)
42
43))))
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(defn test-try-except-return []
"NATIVE: test we can return from in a try except"
(assert (= ((fn [] (try xxx (except [NameError] (+ 1 1))))) 2))
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(setv foo (try xxx (except [NameError] (+ 1 1))))
(assert (= foo 2))
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(setv foo (try (+ 2 2) (except [NameError] (+ 1 1))))
(assert (= foo 4)))
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(defn test-require []
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"NATIVE: test requiring macros from python code"
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(try
(assert (= "this won't happen" (qplah 1 2 3 4)))
(catch [NameError]))
(require tests.resources.tlib)
(assert (= [1 2 3] (qplah 1 2 3))))
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(defn test-require-native []
"NATIVE: test requiring macros from native code"
(assert (= "failure"
(try
(do (setv x [])
(rev (.append x 1) (.append x 2) (.append x 3))
(assert (= x [3 2 1]))
"success")
(except [NameError] "failure"))))
(import tests.native_tests.native_macros)
(assert (= "failure"
(try
(do (setv x [])
(rev (.append x 1) (.append x 2) (.append x 3))
(assert (= x [3 2 1]))
"success")
(except [NameError] "failure"))))
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(require tests.native_tests.native_macros)
(assert (= "success"
(try
(do (setv x [])
(rev (.append x 1) (.append x 2) (.append x 3))
(assert (= x [3 2 1]))
"success")
(except [NameError] "failure")))))
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(defn test-encoding-nightmares []
"NATIVE: test unicode encoding escaping crazybits"
(assert (= (len "ℵℵℵ♥♥♥\t♥♥\r\n") 11)))
(defn test-keyword-dict-access []
"NATIVE: test keyword dict access"
(assert (= "test" (:foo {:foo "test"}))))
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(defn test-take []
"NATIVE: test the take operator"
(assert (= [1 2 3] (list (take 3 [1 2 3]))))
(assert (= [1 2 3] (list (take 4 [1 2 3]))))
(assert (= [1 2] (list (take 2 [1 2 4])))))
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(defn test-break-breaking []
"NATIVE: test checking if break actually breaks"
(defn holy-grail [] (for [x (range 10)] (if (= x 5) (break))) x)
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(assert (= (holy-grail) 5)))
(defn test-continue-continuation []
"NATIVE: test checking if continue actually continues"
(setv y [])
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(for [x (range 10)]
(if (!= x 5)
(continue))
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(.append y x))
(assert (= y [5])))
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(defn test-empty-list []
"Evaluate an empty list to a []"
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(assert (= () [])))
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(defn test-string []
(assert (string? (string "a")))
(assert (string? (string 1)))
(assert (= u"unicode" (string "unicode"))))
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(defn test-del []
"NATIVE: Test the behavior of del"
(setv foo 42)
(assert (= foo 42))
(del foo)
(assert (= 'good
(try
(do foo 'bad)
(except [NameError] 'good))))
(setv test (list (range 5)))
(del (get test 4))
(assert (= test [0 1 2 3]))
(del (get test 2))
(assert (= test [0 1 3])))
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(defn test-macroexpand []
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"Test macroexpand on ->"
(assert (= (macroexpand '(-> (a b) (x y)))
'(x (a b) y)))
(assert (= (macroexpand '(-> (a b) (-> (c d) (e f))))
'(e (c (a b) d) f))))
(defn test-macroexpand-1 []
"Test macroexpand-1 on ->"
(assert (= (macroexpand-1 '(-> (a b) (-> (c d) (e f))))
'(-> (a b) (c d) (e f)))))
(defn test-calling-module-name []
"NATIVE: Test the calling-module-name function"
(assert (= (calling-module-name -1) "hy.core.language"))
(assert (= (calling-module-name 0) "tests.native_tests.language")))
(defn test-disassemble []
"NATIVE: Test the disassemble function"
(assert (= (disassemble '(do (leaky) (leaky) (macros)))
"Module(\n body=[\n Expr(value=Call(func=Name(id='leaky'), args=[], keywords=[], starargs=None, kwargs=None)),\n Expr(value=Call(func=Name(id='leaky'), args=[], keywords=[], starargs=None, kwargs=None)),\n Expr(value=Call(func=Name(id='macros'), args=[], keywords=[], starargs=None, kwargs=None))])"))
(assert (= (disassemble '(do (leaky) (leaky) (macros)) true)
"leaky()\nleaky()\nmacros()")))
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(defn test-attribute-access []
"NATIVE: Test the attribute access DSL"
(defclass mycls [object])
(setv foo [(mycls) (mycls) (mycls)])
(assert (is (. foo) foo))
(assert (is (. foo [0]) (get foo 0)))
(assert (is (. foo [0] --class--) mycls))
(assert (is (. foo [1] --class--) mycls))
(assert (is (. foo [(+ 1 1)] --class--) mycls))
(assert (= (. foo [(+ 1 1)] --class-- --name-- [0]) "m"))
(assert (= (. foo [(+ 1 1)] --class-- --name-- [1]) "y"))
(setv bar (mycls))
(setv (. foo [1]) bar)
(assert (is bar (get foo 1)))
(setv (. foo [1] test) "hello")
(assert (= (getattr (. foo [1]) "test") "hello")))
(defn test-keyword-quoting []
"NATIVE: test keyword quoting magic"
(assert (= :foo "\ufdd0:foo"))
(assert (= `:foo "\ufdd0:foo")))
(defn test-only-parse-lambda-list-in-defn []
"NATIVE: test lambda lists are only parsed in defn"
(try
(foo [&rest spam] 1)
(catch [NameError] True)
(else (raise AssertionError))))