Add tests

.gitignore

@@ -7,3 +7,4 @@
 /.calva/output-window
 /deps-bin
 /deps-bin.jar
+/.nrepl-port

src/deps_bin/impl/bin.clj

@@ -7,7 +7,7 @@
  [me.raynes.fs :as fs]))
 
 (def ^:private preamble-template
- ":;exec java {{{jvm-opts}}} -jar $0 \"$@\"\n@echo off\r\njava {{{jvm-opts}}} -jar \"%~f0\" %*\r\ngoto :eof\r\n")
+ "#!/usr/bin/env bash\nexec java {{{jvm-opts}}} -jar $0 \"$@\"\n@echo off\r\njava {{{jvm-opts}}} -jar \"%~f0\" %*\r\ngoto :eof\r\n")
 
 (defn ^:private print-help []
  (println "library usage:")
@@ -70,7 +70,7 @@
  (shutdown-agents)
  (do
  (case (:reason result)
- :help  (print-help)
- :no-jar  (print-help)
- :no-name  (print-help))
+ :help (print-help)
+ :no-jar (print-help)
+ :no-name (print-help))
  (System/exit 1)))))

test/deps_bin/impl/bin_test.clj

@@ -0,0 +1,25 @@
+(ns deps-bin.impl.bin-test
+ (:require
+ [clojure.test :refer [deftest testing is]]
+ [deps-bin.impl.bin :as bin]
+ [clj-zip-meta.core :as clj-zip-meta]))
+
+(deftest build-bin-as-main
+ (testing "printing help"
+ (is (= {:success false
+ :reason :help}
+ (bin/build-bin {:help true}))))
+ (testing "when :jar is not provided"
+ (is (= {:success false
+ :reason :no-jar}
+ (bin/build-bin {}))))
+ (testing "when :name is not provided"
+ (is (= {:success false
+ :reason :no-name}
+ (bin/build-bin {:jar "some-jar.jar"}))))
+ (testing "when :name and :jar is provided"
+ (with-redefs [bin/write-bin (constantly nil)
+ clj-zip-meta/repair-zip-with-preamble-bytes (constantly nil)]
+ (is (= {:success true}
+ (bin/build-bin {:jar "some-jar.jar"
+ :name "some-bin"}))))))