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Implemented lightweight test as example implementation of cqrs-server
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Deon Moolman
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Mar 7, 2015
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,133 @@ | ||
| (ns cqrs-server.async-test | ||
| (:require | ||
| [datomic.api :as d] | ||
| [datomic-schema.schema :as ds :refer [schema fields part]] | ||
| [schema.core :as s] | ||
| [cqrs-server.module :as module] | ||
| [cqrs-server.cqrs :as cqrs] | ||
| [onyx.peer.task-lifecycle-extensions :as l-ext] | ||
|
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||
| [onyx.plugin.datomic] | ||
| [onyx.plugin.core-async] | ||
| [onyx.api] | ||
|
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| [clojure.core.async :as a] | ||
| [clojure.test :refer :all] | ||
| [taoensso.timbre :as log])) | ||
|
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| ;; A simple async cqrs test, with in-memory datomic | ||
|
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| (def onyxid (java.util.UUID/randomUUID)) | ||
|
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| (def env-config | ||
| {:hornetq/mode :vm | ||
| :hornetq/server? true | ||
| :hornetq.server/type :vm | ||
| :zookeeper/address "127.0.0.1:2185" | ||
| :zookeeper/server? true | ||
| :zookeeper.server/port 2185 | ||
| :onyx/id onyxid | ||
| :onyx.peer/job-scheduler :onyx.job-scheduler/round-robin}) | ||
|
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||
| (def peer-config | ||
| {:hornetq/mode :vm | ||
| :zookeeper/address "127.0.0.1:2185" | ||
| :onyx/id onyxid | ||
| :onyx.peer/inbox-capacity 100 | ||
| :onyx.peer/outbox-capacity 100 | ||
| :onyx.peer/job-scheduler :onyx.job-scheduler/round-robin}) | ||
|
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||
| (def config | ||
| {:datomic-uri "datomic:mem://cqrsasync" | ||
| :command-stream (atom nil) | ||
| :event-stream (atom nil) | ||
| :event-store-stream (atom nil) | ||
| :aggregate-out-stream (atom nil) | ||
| :channels [:command-stream :event-stream :event-store-stream :aggregate-out-stream] | ||
| :env env-config | ||
| :peer peer-config | ||
| :onyxid onyxid}) | ||
|
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||
| (defn chan-stream [type] | ||
| {:onyx/ident (if (= type :outpu) :core.async/write-to-chan :core.async/read-from-chan) | ||
| :onyx/type type | ||
| :onyx/medium :core.async | ||
| :onyx/consumption :sequential | ||
| :onyx/batch-size 1 | ||
| :onyx/batch-timeout 500 | ||
| :onyx/max-peers 1}) | ||
|
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| (def catalog | ||
| (cqrs/catalog | ||
| {:command-queue (chan-stream :input) | ||
| :out-event-queue (chan-stream :output) | ||
| :in-event-queue (chan-stream :input) | ||
| :event-store (chan-stream :output) | ||
| :aggregate-out (chan-stream :output)})) | ||
|
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| (defmethod l-ext/inject-lifecycle-resources :command/in-queue [_ _] | ||
| {:core-async/in-chan @(:command-stream config)}) | ||
|
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| (defmethod l-ext/inject-lifecycle-resources :event/out-queue [_ _] | ||
| {:core-async/out-chan @(:event-stream config)}) | ||
|
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| (defmethod l-ext/inject-lifecycle-resources :event/in-queue [_ _] | ||
| {:core-async/in-chan @(:event-stream config)}) | ||
|
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| (defmethod l-ext/inject-lifecycle-resources :event/store [_ _] | ||
| {:core-async/out-chan @(:event-store-stream config)}) | ||
|
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| (defmethod l-ext/inject-lifecycle-resources :event/aggregate-out [_ _] | ||
| {:core-async/out-chan @(:aggregate-out-stream config)}) | ||
|
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| (defn setup-env [db-schema] | ||
| (doseq [c (:channels config)] | ||
| (reset! (get config c) (a/chan 10))) | ||
| (let [env (onyx.api/start-env env-config) | ||
| peers (onyx.api/start-peers! 10 peer-config) | ||
| dturi (:datomic-uri config)] | ||
| (d/create-database dturi) | ||
| (d/transact (d/connect dturi) (ds/generate-schema d/tempid db-schema)) | ||
| (reset! cqrs/datomic-uri dturi) | ||
| {:env env | ||
| :peers peers | ||
| :job (onyx.api/submit-job | ||
| peer-config | ||
| {:catalog catalog :workflow cqrs/command-workflow :task-scheduler :onyx.task-scheduler/round-robin})})) | ||
|
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| (defn stop-env [env] | ||
| (onyx.api/kill-job peer-config (:job env)) | ||
| (doseq [p (:peers env)] (onyx.api/shutdown-peer p)) | ||
| (onyx.api/shutdown-env (:env env)) | ||
| (d/delete-database (:datomic-uri config)) | ||
| (doseq [c (:channels config)] | ||
| (a/close! @(get config c)) | ||
| (reset! (get config c) nil)) | ||
| true) | ||
|
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| (defn command [type data] | ||
| (cqrs/command (d/basis-t (d/db (d/connect (:datomic-uri config)))) type data)) | ||
|
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| (defn send-command [type data] | ||
| (a/>!! @(:command-stream config) (command type data))) | ||
|
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| (def db-schema | ||
| (concat | ||
| cqrs/db-schema | ||
| [(schema | ||
| base | ||
| (fields | ||
| [uuid :uuid :unique-identity]))] | ||
| module/db-schema)) | ||
|
|
||
| (deftest run-test [] | ||
| (let [env (setup-env db-schema) | ||
| event (delay (first (a/alts!! [@(:event-store-stream config) (a/timeout 1000)]))) | ||
| aggregate (delay (first (a/alts!! [@(:aggregate-out-stream config) (a/timeout 1000)])))] | ||
| (try | ||
| (send-command :user/register {:name "Bob" :age 33}) | ||
| (assert (= (:type @event) :user/registered)) | ||
| (assert @aggregate) | ||
| (assert (= #{["Bob" 33]} (d/q '[:find ?n ?a :where [?e :user/name ?n] [?e :user/age ?a]] (d/as-of (d/db (d/connect (:datomic-uri config))) (:basis-t @aggregate))))) | ||
| (finally | ||
| (stop-env env))))) |