babashka/test/babashka/main_test.clj
Michiel Borkent f27c706340 [#250] test
2020-01-31 17:33:01 +01:00

337 lines
13 KiB
Clojure

(ns babashka.main-test
(:require
[babashka.main :as main]
[babashka.test-utils :as test-utils]
[clojure.edn :as edn]
[clojure.java.io :as io]
[clojure.java.shell :refer [sh]]
[clojure.string :as str]
[clojure.test :as test :refer [deftest is testing]]
[sci.core :as sci]))
(defn bb [input & args]
(edn/read-string (apply test-utils/bb (when (some? input) (str input)) (map str args))))
(deftest parse-opts-test
(is (= 123 (bb nil "(println 123)")))
(is (= 123 (bb nil "-e" "(println 123)")))
(is (= 123 (bb nil "--eval" "(println 123)")))
(testing "distinguish automatically between expression or file name"
(is (= {:result 8080} (bb nil "test/babashka/scripts/tools.cli.bb")))
(is (thrown-with-msg? Exception #"does not exist" (bb nil "foo.clj")))
(is (thrown-with-msg? Exception #"does not exist" (bb nil "-help"))))
(is (= "1 2 3" (bb nil "-e" "(require '[clojure.string :as str1])" "-e" "(str1/join \" \" [1 2 3])")))
(is (= '("-e" "1") (bb nil "-e" "*command-line-args*" "--" "-e" "1"))))
(deftest print-error-test
(is (thrown-with-msg? Exception #"java.lang.NullPointerException"
(bb nil "(subs nil 0 0)"))))
(deftest main-test
(testing "-io behaves as identity"
(= "foo\nbar\n" (test-utils/bb "foo\nbar\n" "-io" "*input*")))
(testing "if and when"
(is (= 1 (bb 0 '(if (zero? *input*) 1 2))))
(is (= 2 (bb 1 '(if (zero? *input*) 1 2))))
(is (= 1 (bb 0 '(when (zero? *input*) 1))))
(is (nil? (bb 1 '(when (zero? *input*) 1)))))
(testing "and and or"
(is (= false (bb 0 '(and false true *input*))))
(is (= 0 (bb 0 '(and true true *input*))))
(is (= 1 (bb 1 '(or false false *input*))))
(is (= false (bb false '(or false false *input*))))
(is (= 3 (bb false '(or false false *input* 3)))))
(testing "fn"
(is (= 2 (bb 1 "(#(+ 1 %) *input*)")))
(is (= [1 2 3] (bb 1 "(map #(+ 1 %) [0 1 2])")))
(is (= 1 (bb 1 "(#(when (odd? *input*) *input*))"))))
(testing "map"
(is (= [1 2 3] (bb 1 '(map inc [0 1 2])))))
(testing "keep"
(is (= [false true false] (bb 1 '(keep odd? [0 1 2])))))
(testing "->"
(is (= 4 (bb 1 '(-> *input* inc inc (inc))))))
(testing "->>"
(is (= 10 (edn/read-string (test-utils/bb "foo\n\baar\baaaaz" "-i" "(->> *input* (map count) (apply max))")))))
(testing "literals"
(is (= {:a 4
:b {:a 2}
:c [1 1]
:d #{1 2}}
(bb 1 '{:a (+ 1 2 *input*)
:b {:a (inc *input*)}
:c [*input* *input*]
:d #{*input* (inc *input*)}}))))
(testing "shuffle the contents of a file"
(let [in "foo\n Clojure is nice. \nbar\n If you're nice to clojure. "
in-lines (set (str/split in #"\n"))
out (test-utils/bb in
"-io"
(str '(shuffle *input*)))
out-lines (set (str/split out #"\n"))]
(is (= in-lines out-lines))))
(testing "find occurrences in file by line number"
(is (= '(1 3)
(->
(bb "foo\n Clojure is nice. \nbar\n If you're nice to clojure. "
"-i"
"(map-indexed #(-> [%1 %2]) *input*)")
(bb "(keep #(when (re-find #\"(?i)clojure\" (second %)) (first %)) *input*)"))))))
(deftest println-test
(is (= "hello\n" (test-utils/bb nil "(println \"hello\")"))))
(deftest input-test
(testing "bb doesn't wait for input if *input* isn't used"
(is (= "2\n" (with-out-str (main/main "(inc 1)"))))))
(deftest System-test
(let [res (bb nil "-f" "test/babashka/scripts/System.bb")]
(is (= "bar" (second res)))
(doseq [s res]
(is (not-empty s))))
(let [out (java.io.StringWriter.)
err (java.io.StringWriter.)
exit-code (sci/with-bindings {sci/out out
sci/err err}
(binding [*out* out *err* err]
(main/main "--time" "(println \"Hello world!\") (System/exit 42)")))]
(is (= (str out) "Hello world!\n"))
(is (re-find #"took" (str err)))
(is (= 42 exit-code))))
(deftest malformed-command-line-args-test
(is (thrown-with-msg? Exception #"File does not exist: non-existing\n"
(bb nil "-f" "non-existing"))))
(deftest ssl-test
(let [resp (bb nil "(slurp \"https://www.google.com\")")]
(is (re-find #"doctype html" resp))))
(deftest stream-test
(is (= "2\n3\n4\n" (test-utils/bb "1 2 3" "--stream" "(inc *input*)")))
(is (= "2\n3\n4\n" (test-utils/bb "{:x 2} {:x 3} {:x 4}" "--stream" "(:x *input*)")))
(let [x "foo\n\bar\n"]
(is (= x (test-utils/bb x "--stream" "-io" "*input*"))))
(let [x "f\n\b\n"]
(is (= x (test-utils/bb x "--stream" "-io" "(subs *input* 0 1)")))))
(deftest load-file-test
(let [tmp (java.io.File/createTempFile "script" ".clj")]
(spit tmp "(defn foo [x y] (+ x y)) (defn bar [x y] (* x y))")
(is (= "120\n" (test-utils/bb nil (format "(load-file \"%s\") (bar (foo 10 30) 3)"
(.getPath tmp)))))))
(deftest eval-test
(is (= "120\n" (test-utils/bb nil "(eval '(do (defn foo [x y] (+ x y))
(defn bar [x y] (* x y))
(bar (foo 10 30) 3)))"))))
(deftest preloads-test
;; THIS TEST REQUIRES:
;; export BABASHKA_PRELOADS='(defn __bb__foo [] "foo") (defn __bb__bar [] "bar")'
(when (System/getenv "BABASHKA_PRELOADS_TEST")
(is (= "foobar" (bb nil "(str (__bb__foo) (__bb__bar))")))))
(deftest io-test
(is (true? (bb nil "(.exists (io/file \"README.md\"))")))
(is (true? (bb nil "(.canWrite (io/file \"README.md\"))"))))
(deftest pipe-test
(when test-utils/native?
(let [out (:out (sh "bash" "-c" "./bb -o '(range)' |
./bb --stream '(* *input* *input*)' |
head -n10"))
out (str/split-lines out)
out (map edn/read-string out)]
(is (= (take 10 (map #(* % %) (range))) out))))
(when test-utils/native?
(let [out (:out (sh "bash" "-c" "./bb -O '(repeat \"dude\")' |
./bb --stream '(str *input* \"rino\")' |
./bb -I '(take 3 *input*)'"))
out (edn/read-string out)]
(is (= '("duderino" "duderino" "duderino") out)))))
(deftest lazy-text-in-test
(when test-utils/native?
(let [out (:out (sh "bash" "-c" "yes | ./bb -i '(take 2 *input*)'"))
out (edn/read-string out)]
(is (= '("y" "y") out)))))
(deftest future-test
(is (= 6 (bb nil "@(future (+ 1 2 3))"))))
(deftest process-builder-test
(is (str/includes? (bb nil "
(def ls (-> (ProcessBuilder. [\"ls\"]) (.start)))
(def input (.getOutputStream ls))
(.write (io/writer input) \"hello\") ;; dummy test just to see if this works
(def output (.getInputStream ls))
(assert (int? (.waitFor ls)))
(slurp output)")
"LICENSE")))
(deftest create-temp-file-test
(let [temp-dir-path (System/getProperty "java.io.tmpdir")]
(is (= true
(bb nil (format "(let [tdir (io/file \"%s\")
tfile
(File/createTempFile \"ctf\" \"tmp\" tdir)]
(.deleteOnExit tfile) ; for cleanup
(.exists tfile))"
temp-dir-path))))))
(deftest wait-for-port-test
(let [server (test-utils/start-server! 1777)]
(is (= 1777 (:port (bb nil "(wait/wait-for-port \"127.0.0.1\" 1777)"))))
(test-utils/stop-server! server)
(is (= :timed-out (bb nil "(wait/wait-for-port \"127.0.0.1\" 1777 {:default :timed-out :timeout 50})"))))
(let [edn (bb nil (io/file "test" "babashka" "scripts" "socket_server.bb"))]
(is (= "127.0.0.1" (:host edn)))
(is (= 1777 (:port edn)))
(is (number? (:took edn)))))
(deftest wait-for-path-test
(let [temp-dir-path (System/getProperty "java.io.tmpdir")]
(is (not= :timed-out
(bb nil (format "(let [tdir (io/file \"%s\")
tfile
(File/createTempFile \"wfp\" \"tmp\" tdir)
tpath (.getPath tfile)]
(.delete tfile) ; delete now, but re-create it in a future
(future (Thread/sleep 50) (shell/sh \"touch\" tpath))
(wait/wait-for-path tpath
{:default :timed-out :timeout 100})
(.delete tfile))"
temp-dir-path))))
(is (= :timed-out
(bb nil (format "(let [tdir (io/file \"%s\")
tfile
(File/createTempFile \"wfp-to\" \"tmp\" tdir)
tpath (.getPath tfile)]
(.delete tfile) ; for timing out test and cleanup
(wait/wait-for-path tpath
{:default :timed-out :timeout 100}))"
temp-dir-path))))))
(deftest async-test
(is (= "process 2\n" (test-utils/bb nil "
(defn async-command [& args]
(async/thread (apply shell/sh \"bash\" \"-c\" args)))
(-> (async/alts!! [(async-command \"sleep 2 && echo process 1\")
(async-command \"sleep 1 && echo process 2\")])
first :out str/trim println)"))))
(deftest tools-cli-test
(is (= {:result 8080} (bb nil "test/babashka/scripts/tools.cli.bb"))))
(deftest try-catch-test
(is (zero? (bb nil "(try (/ 1 0) (catch ArithmeticException _ 0))"))))
(deftest reader-conditionals-test
(is (= :hello (bb nil "#?(:clj (in-ns 'foo)) (println :hello)")))
(is (= :hello (bb nil "#?(:bb :hello :default :bye)"))))
(deftest csv-test
(is (= '(["Adult" "87727"] ["Elderly" "43914"] ["Child" "33411"] ["Adolescent" "29849"]
["Infant" "15238"] ["Newborn" "10050"] ["In Utero" "1198"])
(bb nil (.getPath (io/file "test" "babashka" "scripts" "csv.bb"))))))
(deftest assert-test ;; assert was first implemented in bb but moved to sci later
(is (thrown-with-msg? Exception #"should-be-true"
(bb nil "(def should-be-true false) (assert should-be-true)"))))
(deftest Pattern-test
(is (= ["1" "2" "3"]
(bb nil "(vec (.split (java.util.regex.Pattern/compile \"f\") \"1f2f3\"))")))
(is (true? (bb nil "(some? java.util.regex.Pattern/CANON_EQ)"))))
(deftest writer-test
(let [tmp-file (java.io.File/createTempFile "bbb" "bbb")
path (.getPath tmp-file)]
(bb nil (format "(with-open [w (io/writer \"%s\")]
(.write w \"foobar\n\")
(.append w \"barfoo\n\")
nil)"
path))
(is (= "foobar\nbarfoo\n" (slurp path)))))
(deftest binding-test
(is (= 6 (bb nil "(def w (java.io.StringWriter.))
(binding [clojure.core/*out* w]
(println \"hello\"))
(count (str w))"))))
(deftest with-out-str-test
(is (= 6 (bb nil "(count (with-out-str (println \"hello\")))"))))
(deftest with-in-str-test
(is (= 5 (bb nil "(count (with-in-str \"hello\" (read-line)))"))))
(deftest java-nio-test
(let [f (java.io.File/createTempFile "foo" "bar")
temp-path (.getPath f)
p (.toPath (io/file f))
p' (.resolveSibling p "f2")
f2 (.toFile p')]
(bb nil (format
"(let [f (io/file \"%s\")
p (.toPath (io/file f))
p' (.resolveSibling p \"f2\")]
(.delete (.toFile p'))
(dotimes [_ 2]
(try
(java.nio.file.Files/copy p p' (into-array java.nio.file.CopyOption []))
(catch java.nio.file.FileAlreadyExistsException _
(java.nio.file.Files/copy p p' (into-array [java.nio.file.StandardCopyOption/REPLACE_EXISTING]))))))"
temp-path))
(is (.exists f2))))
(deftest future-print-test
(testing "the root binding of sci/*out*"
(is (= "hello" (bb nil "@(future (prn \"hello\"))")))))
(deftest Math-test
(is (== 8.0 (bb nil "(Math/pow 2 3)"))))
(deftest Base64-test
(is (= "babashka"
(bb nil "(String. (.decode (java.util.Base64/getDecoder) (.encode (java.util.Base64/getEncoder) (.getBytes \"babashka\"))))"))))
(deftest Thread-test
(is (= "hello" (bb nil "(doto (java.lang.Thread. (fn [] (prn \"hello\"))) (.start) (.join)) nil"))))
(deftest dynvar-test
(is (= 1 (bb nil "(binding [*command-line-args* 1] *command-line-args*)")))
(is (= 1 (bb nil "(binding [*input* 1] *input*)"))))
(deftest file-in-error-msg-test
(is (thrown-with-msg? Exception #"error.bb"
(bb nil (.getPath (io/file "test" "babashka" "scripts" "error.bb"))))))
(deftest compatibility-test
(is (true? (bb nil "(set! *warn-on-reflection* true)"))))
(deftest clojure-main-repl-test
(is (= "\"> foo!\\nnil\\n> \"\n" (test-utils/bb nil "
(defn foo [] (println \"foo!\"))
(with-out-str
(with-in-str \"(foo)\"
(clojure.main/repl :init (fn []) :prompt (fn [] (print \"> \")))))"))))
(deftest command-line-args-test
(is (true? (bb nil "(nil? *command-line-args*)")))
(is (= ["1" "2" "3"] (bb nil "*command-line-args*" "1" "2" "3"))))
(deftest need-constructors-test
(testing "the clojure.lang.Delay constructor works"
(is (= 1 (bb nil "@(delay 1)"))))
(testing "the clojure.lang.MapEntry constructor works"
(is (true? (bb nil "(= (first {1 2}) (clojure.lang.MapEntry. 1 2))")))))
;;;; Scratch
(comment
(dotimes [_ 10] (wait-for-port-test))
)