leiningen: add a simple project for `brew test`.

Closes #25589.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/Library/Formula/leiningen.rb b/Library/Formula/leiningen.rb
index df84d7aa6..427040346 100644
--- a/Library/Formula/leiningen.rb
+++ b/Library/Formula/leiningen.rb
@@ -31,4 +31,28 @@ class Leiningen < Formula
     To play around with Clojure run `lein repl` or `lein help`.
     EOS
   end
+
+  test do
+    (testpath/'project.clj').write <<-EOS.undent
+      (defproject brew-test "1.0"
+        :dependencies [[org.clojure/clojure "1.5.1"]])
+    EOS
+    (testpath/'src/brew_test/core.clj').write <<-EOS.undent
+      (ns brew-test.core)
+        (defn adds-two
+          "I add two to a number"
+          [x]
+          (+ x 2))
+    EOS
+    (testpath/'test/brew_test/core_test.clj').write <<-EOS.undent
+      (ns brew-test.core-test
+        (:require [clojure.test :refer :all]
+                  [brew-test.core :refer :all]))
+      (deftest canary-test
+        (testing "adds-two yields 4 for input of 2"
+          (is (= 4 (adds-two 2)))))
+    EOS
+    system "#{bin}/lein", 'test'
+  end
+
 end