New test-suite for LuaRocks (#581)

First version of new test-suite, using Busted framework based on Google Summer of Code project:
https://summerofcode.withgoogle.com/projects/#5695811874717696

* Rewritten from Bash to Lua
* Tests now check if they did what they were supposed to, beyond only checking success or failure of the `luarocks` command
* Support for black-box (launching `luarocks` as an external command) and white-box (testing functions in modules directly) testing

1 files changed, 30 insertions, 0 deletions

diff --git a/spec/purge_spec.lua b/spec/purge_spec.lua
new file mode 100644
index 00000000..639f96f3
--- /dev/null
+++ b/spec/purge_spec.lua
@@ -0,0 +1,30 @@
+local test_env = require("test/test_environment")
+local lfs = require("lfs")
+
+test_env.unload_luarocks()
+local purge = require("luarocks.purge")
+
+expose("LuaRocks purge tests #blackbox #b_purge", function()   
+   before_each(function()
+      test_env.setup_specs(extra_rocks)
+      testing_paths = test_env.testing_paths
+      run = test_env.run
+   end)
+
+   describe("LuaRocks purge basic tests", function()
+      it("LuaRocks purge missing tree", function()
+         assert.is_false(run.luarocks_bool("purge --tree=" .. testing_paths.testing_tree))
+      end)
+      it("LuaRocks purge tree with no string", function()
+         assert.is_false(run.luarocks_bool("purge --tree=1"))
+      end)
+      it("LuaRocks purge tree with no string", function()
+         assert.is_true(run.luarocks_bool("purge --tree=" .. testing_paths.testing_sys_tree))
+      end)
+      it("LuaRocks purge old versions tree", function()
+         assert.is_true(run.luarocks_bool("purge --old-versions --tree=" .. testing_paths.testing_sys_tree))
+      end)
+   end)
+end)
+
+