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, 37 insertions, 0 deletions

diff --git a/spec/download_spec.lua b/spec/download_spec.lua
new file mode 100644
index 00000000..9b5d9e2e
--- /dev/null
+++ b/spec/download_spec.lua
@@ -0,0 +1,37 @@
+local test_env = require("test/test_environment")
+local lfs = require("lfs")
+
+test_env.unload_luarocks()
+local download = require("luarocks.download")
+
+local extra_rocks = {
+   "/validate-args-1.5.4-1.rockspec"
+}
+
+expose("LuaRocks download tests #blackbox #b_download", function()
+
+   before_each(function()
+      test_env.setup_specs(extra_rocks)
+      run = test_env.run
+   end)
+
+   it("LuaRocks download with no flags/arguments", function()
+      assert.is_false(run.luarocks_bool("download"))
+   end)
+
+   it("LuaRocks download invalid", function()
+      assert.is_false(run.luarocks_bool("download invalid"))
+   end)
+
+   it("LuaRocks download all with delete downloaded files", function() --TODO maybe download --all more rocks
+      assert.is_true(run.luarocks_bool("download --all validate-args"))
+      assert.is.truthy(lfs.attributes("validate-args-1.5.4-1.rockspec"))
+      test_env.remove_files(lfs.currentdir(), "validate--args--")
+   end)
+   
+   it("LuaRocks download rockspec version", function()
+      assert.is_true(run.luarocks_bool("download --rockspec validate-args 1.5.4-1"))
+      assert.is.truthy(lfs.attributes("validate-args-1.5.4-1.rockspec"))
+      test_env.remove_files(lfs.currentdir(), "validate--args--")
+   end)
+end)