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