/
nrepl_server_test.clj
225 lines (216 loc) · 10.7 KB
/
nrepl_server_test.clj
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(ns babashka.impl.nrepl-server-test
(:require
[babashka.impl.nrepl-server :refer [start-server!]]
[babashka.nrepl.server :refer [parse-opt stop-server!]]
[babashka.main :as main]
[babashka.test-utils :as tu]
[babashka.wait :as wait]
[bencode.core :as bencode]
[clojure.test :as t :refer [deftest is testing]]
[sci.core :as sci]
[sci.ctx-store :as ctx-store])
(:import
[java.lang ProcessBuilder$Redirect]))
(def debug? false)
(set! *warn-on-reflection* true)
(defn bytes->str [x]
(if (bytes? x) (String. (bytes x))
(str x)))
(defn read-msg [msg]
(let [res (zipmap (map keyword (keys msg))
(map #(if (bytes? %)
(String. (bytes %))
%)
(vals msg)))
res (if-let [status (:status res)]
(assoc res :status (mapv bytes->str status))
res)
res (if-let [status (:sessions res)]
(assoc res :sessions (mapv bytes->str status))
res)]
res))
(defn read-reply [in session id]
(loop []
(let [msg (read-msg (bencode/read-bencode in))]
(if (and (= (:session msg) session)
(= (:id msg) id))
(do
(when debug? (prn "received" msg))
msg)
(do
(when debug? (prn "skipping over msg" msg))
(recur))))))
(defn nrepl-test []
(with-open [socket (java.net.Socket. "127.0.0.1" 1668)
in (.getInputStream socket)
in (java.io.PushbackInputStream. in)
os (.getOutputStream socket)]
(bencode/write-bencode os {"op" "clone"})
(let [session (:new-session (read-msg (bencode/read-bencode in)))
id (atom 0)
new-id! #(swap! id inc)]
(testing "session"
(is session))
(testing "describe"
(bencode/write-bencode os {"op" "describe" "session" session "id" (new-id!)})
(let [msg (read-reply in session @id)
id (:id msg)
versions (:versions msg)
babashka-version (bytes->str (get versions "babashka"))]
(is (= 1 id))
(is (= main/version babashka-version))))
(testing "eval"
(bencode/write-bencode os {"op" "eval" "code" "(+ 1 2 3)" "session" session "id" (new-id!)})
(let [msg (read-reply in session @id)
id (:id msg)
value (:value msg)]
(is (= 2 id))
(is (= value "6")))
(testing "creating a namespace and evaluating something in it"
(bencode/write-bencode os {"op" "eval"
"code" "(ns ns0) (defn foo [] :foo0) (ns ns1) (defn foo [] :foo1)"
"session" session
"id" (new-id!)})
(read-reply in session @id)
(testing "not providing the ns key evaluates in the last defined namespace"
(bencode/write-bencode os {"op" "eval" "code" "(foo)" "session" session "id" (new-id!)})
(is (= ":foo1" (:value (read-reply in session @id)))))
(testing "explicitly providing the ns key evaluates in that namespace"
(bencode/write-bencode os {"op" "eval"
"code" "(foo)"
"session" session
"id" (new-id!)
"ns" "ns0"})
(is (= ":foo0" (:value (read-reply in session @id)))))
;; TODO: I don't remember why we created a new ns
#_(testing "providing an ns value of a non-existing namespace creates the namespace"
(bencode/write-bencode os {"op" "eval"
"code" "(ns-name *ns*)"
"session" session
"id" (new-id!)
"ns" "unicorn"})
(let [reply (read-reply in session @id)]
(is (= "unicorn" (:value reply))))))
(testing "multiple top level expressions results in two value replies"
(bencode/write-bencode os {"op" "eval"
"code" "(+ 1 2 3) (+ 1 2 3)"
"session" session
"id" (new-id!)})
(let [reply-1 (read-reply in session @id)
reply-2 (read-reply in session @id)]
(is (= "6" (:value reply-1) (:value reply-2))))))
(testing "load-file"
(bencode/write-bencode os {"op" "load-file" "file" "(ns foo) (defn foo [] :foo)" "session" session "id" (new-id!)})
(read-reply in session @id)
(bencode/write-bencode os {"op" "eval" "code" "(foo)" "ns" "foo" "session" session "id" (new-id!)})
(is (= ":foo" (:value (read-reply in session @id)))))
(testing "complete"
(testing "completions for fo"
(bencode/write-bencode os {"op" "complete"
"symbol" "fo"
"session" session
"id" (new-id!)
"ns" "foo"})
(let [reply (read-reply in session @id)
completions (:completions reply)
completions (mapv read-msg completions)
completions (into #{} (map (juxt :ns :candidate)) completions)]
(is (contains? completions ["foo" "foo"]))
(is (contains? completions ["clojure.core" "format"]))))
(testing "completions for quux should be empty"
(bencode/write-bencode os {"op" "complete"
"symbol" "quux"
"session" session "id" (new-id!)
"ns" "foo"})
(let [reply (read-reply in session @id)
completions (:completions reply)]
(is (empty? completions)))
(testing "unless quux is an alias"
(bencode/write-bencode os {"op" "eval" "code" "(require '[cheshire.core :as quux])" "session" session "id" (new-id!)})
(read-reply in session @id)
(bencode/write-bencode os {"op" "complete" "symbol" "quux" "session" session "id" (new-id!)})
(let [reply (read-reply in session @id)
completions (:completions reply)
completions (mapv read-msg completions)
completions (into #{} (map (juxt :ns :candidate)) completions)]
(is (contains? completions ["cheshire.core" "quux/generate-string"])))))
(testing "completions for clojure.test"
(bencode/write-bencode os {"op" "eval" "code" "(require '[clojure.test :as test])" "session" session "id" (new-id!)})
(read-reply in session @id)
(bencode/write-bencode os {"op" "complete" "symbol" "test" "session" session "id" (new-id!)})
(let [reply (read-reply in session @id)
completions (:completions reply)
completions (mapv read-msg completions)
completions (into #{} (map (juxt :ns :candidate)) completions)]
(is (contains? completions ["clojure.test" "test/deftest"])))))
(testing "close + ls-sessions"
(bencode/write-bencode os {"op" "ls-sessions" "session" session "id" (new-id!)})
(let [reply (read-reply in session @id)
sessions (set (:sessions reply))]
(is (contains? sessions session))
(let [new-sessions (loop [i 0
sessions #{}]
(bencode/write-bencode os {"op" "clone" "session" session "id" (new-id!)})
(let [new-session (:new-session (read-reply in session @id))
sessions (conj sessions new-session)]
(if (= i 4)
sessions
(recur (inc i) sessions))))]
(bencode/write-bencode os {"op" "ls-sessions" "session" session "id" (new-id!)})
(let [reply (read-reply in session @id)
sessions (set (:sessions reply))]
(is (= 6 (count sessions)))
(is (contains? sessions session))
(is (= new-sessions (disj sessions session)))
(testing "close"
(doseq [close-session (disj sessions session)]
(bencode/write-bencode os {"op" "close" "session" close-session "id" (new-id!)})
(let [reply (read-reply in close-session @id)]
(is (contains? (set (:status reply)) "session-closed")))))
(testing "session not listen in ls-sessions after close"
(bencode/write-bencode os {"op" "ls-sessions" "session" session "id" (new-id!)})
(let [reply (read-reply in session @id)
sessions (set (:sessions reply))]
(is (contains? sessions session))
(is (not (some #(contains? sessions %) new-sessions)))))))))
(testing "output"
(bencode/write-bencode os {"op" "eval" "code" "(dotimes [i 3] (println \"Hello\"))"
"session" session "id" (new-id!)})
(dotimes [_ 3]
(let [reply (read-reply in session @id)]
(is (= "Hello\n" (tu/normalize (:out reply)))))))
(testing "dynamic var can be set!, test unchecked-math"
(bencode/write-bencode os {"op" "eval" "code" "(set! *unchecked-math* true)"
"session" session "id" (new-id!)})
(let [reply (read-reply in session @id)]
(is (= "true" (:value reply))))))))
(deftest ^:skip-windows nrepl-server-test
(let [proc-state (atom nil)
server-state (atom nil)
ctx (sci/init {:namespaces main/namespaces
:features #{:bb}})]
(sci.ctx-store/with-ctx ctx
(try
(if tu/jvm?
(let [nrepl-opts (parse-opt "0.0.0.0:1668")
nrepl-opts (assoc nrepl-opts
:describe {"versions" {"babashka" main/version}})
server (start-server! nrepl-opts)]
(reset! server-state server))
(let [pb (ProcessBuilder. ["./bb" "nrepl-server" "0.0.0.0:1668"])
_ (.redirectError pb ProcessBuilder$Redirect/INHERIT)
;; _ (.redirectOutput pb ProcessBuilder$Redirect/INHERIT)
;; env (.environment pb)
;; _ (.put env "BABASHKA_DEV" "true")
proc (.start pb)]
(reset! proc-state proc)))
(babashka.wait/wait-for-port "localhost" 1668)
(nrepl-test)
(finally
(if tu/jvm?
(stop-server! @server-state)
(when-let [proc @proc-state]
(.destroy ^Process proc))))))))
;;;; Scratch
(comment
)