Awaitility blog post

example-code.clj

(defn check-reactor-is-ready
  []
  (let [counter (Math/random)]
    (println (str "Reading is... " counter))
    (> counter 0.5)))

javaExample.java

  await().until(checkReactorIsReady())

output.txt

Reading is... 0.14748365188970014
Reading is... 0.39006578072452525
Reading is... 0.11361210088909512
Reading is... 0.3491163467675231
Reading is... 0.7100413898618688
Reading is... 0.4931516769505109
Reading is... 0.9274004405826166
Reading is... 0.776093982387096
Reading is... 0.7668150587110371
org.awaitility.core.ConditionTimeoutException: Condition foo$check_reactor_is_ready was not fulfilled within 1 seconds.

project.clj

:dependencies [
               ...
               [org.awaitility/awaitility "4.2.0"]
               ...
               ]

test-three.clj

  (-> (Awaitility/await)
      (.atMost 1 java.util.concurrent.TimeUnit/SECONDS)
      (.until check-reactor-is-ready))

test-two.clj

(deftest something-happens
  (.until (.atMost (Awaitility/await) 1 java.util.concurrent.TimeUnit/SECONDS) check-reactor-is-ready)
  (testing "Does the reactor have all the right properties?"
    (is (= "working" (reactor/condition)))))

test.clj

(ns example-test
  (:require
    [clojure.test :refer [is testing deftest]]
    (:import
    (org.awaitility
      Awaitility))))

(deftest something-happens
  (.until (Awaitility/await) check-reactor-is-ready)
  (testing "Does the reactor have all the right properties?"
    (is (= "working" (reactor/condition)))))