[ANN] Inlein 0.2.0

2017-05-28 Thread Jean Niklas L'orange 
Hi all,

I just released version 0.2.0 of Inlein . You can think 
of Inlein as a Leiningen
for scripts, where the project.clj is inlined into the script itself. Inlein
itself starts up very fast, so the startup time of a script is more or less 
only
the time it takes to start Clojure and the dependencies you drag in.

If you have already installed Inlein, you should be able to just run inlein 
--upgrade,
and if not, you can go to https://github.com/hyPiRion/inlein/releases/0.2.0/
for the download link and installation instructions. To get started, you can
take a look over at the Getting Started page 
 on the wiki. 

If you experience any breaking changes, you can always go back to 0.1.0
by running inlein --upgrade 0.1.0

This release contains a couple of minor bugfixes, and support for 
:exclusions
and file dependencies (:file-deps) in the parameter map.

The biggest addition to this version is support for file dependencies: You 
can
specify other Inlein Clojure files as dependencies to a script file. This 
can be
convenient if you have multiple scripts which all have the same startup
procedure, or need the same utility functions.

For example, if you use Inlein scripts to retrieve data from a database, 
you can
put the code for connecting to the database (fetching environment 
variables, etc.)
and common operations in one file, and let other scripts depend on it:

util/db-setup.clj:

'{:dependencies [[org.clojure/java.jdbc "0.6.0"]
 [org.postgresql/postgresql "9.4.1207.jre7"]]}

(require '[clojure.java.jdbc :as jdbc])

(def db {:dbtype "postgresql"
 :dbname (System/getenv "MYCORP_DBNAME")
 ;; +++
 })

(defn get-users [tx]
  ...)


user-charts.clj:

'{:dependencies [[org.clojure/clojure "1.8.0"]
 [com.hypirion/clj-xchart "0.2.0"]]
  :file-deps #{"util/db-setup.clj"}}
;; additional functions here

(jdbc/with-db-transaction [tx db]
  (->> (get-users tx)
   (aggregate-stats tx)
   (generate-charts {:joined "users-joined.png"
 :activity "user-activity.png"})))

This is not a replacement for namespaces though: If you feel the user 
namespace
is getting polluted, it may be an idea to either refactor the commonly used 
code
into a library, or make a CLI program in your favourite project management 
tool
(Leiningen/Boot).

Here is the full list of visible user changes:

   - Added support for :file-deps (Jean Niklas L'orange)
   - Added support for :exclusions in the parameter map (Jean Niklas 
   L'orange)
   - Fixed a bug where the Windows daemon weren't properly daemonised (Jean 
   Niklas L'orange)
   - Fixed a bug where Inlein crashed when port files weren't properly 
   cleaned up (Mark Mathis)
   - Added proxy support via the System properties http.proxy{Port,Host} 
   (Vladimir Kadychevski)
   - Fixed a bug where download failed on machines where /tmp and $HOME 
   were on different mountpoints (Reid McKenzie)

Thanks to all the contributors who made this happen!

-- Jean Niklas

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Re: regarding writing unit tests in clojure for existing java code

2017-05-28 Thread Daniel Compton 
Hi Manas

I haven't used it, and it's quite old, but this may help for writing JUnit
tests in Clojure:
https://github.com/clojurebook/ClojureProgramming/tree/master/ch09-annotations.
It shows how to add JUnit annotations in Clojure, and how to run those
tests with Maven.

On Sat, May 27, 2017 at 9:46 AM  wrote:

> Hello All,.
>
>   We have a large java code base. Junits are not keeping in pace with the
> code base changes and quite a number are outdated.
>   I was wondering if I can use clojure to write unit tests and run them
> using Junit Runner so that the unit tests pass inside eclipse as part of
> compilation of Junit test suite execution.
>   Please can someone advise if there is any library already for achieving
> this
>
> regards
>
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-- 

Daniel

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