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1 files changed, 105 insertions, 0 deletions

diff --git a/spec/cmd_spec.lua b/spec/cmd_spec.lua
new file mode 100644
index 0000000..20248af
--- /dev/null
+++ b/spec/cmd_spec.lua
@@ -0,0 +1,105 @@
+local test_env = require("spec.util.test_env")
+local lfs = require("lfs")
+local run = test_env.run
+
+describe("LuaRocks command line #integration", function()
+
+   lazy_setup(function()
+      test_env.setup_specs()
+   end)
+
+   describe("--version", function()
+      it("returns the LuaRocks version", function()
+         local output = run.luarocks("--version")
+         assert.match("LuaRocks main command-line interface", output, 1, true)
+      end)
+
+      it("runs if Lua detection fails", function()
+         test_env.run_in_tmp(function(tmpdir)
+            test_env.write_file("bad_config.lua", [[
+               variables = {
+                  LUA_DIR = "/bad/lua/dir",
+               }
+            ]], finally)
+            local env = {
+               LUAROCKS_CONFIG = "bad_config.lua"
+            }
+            local output = run.luarocks("--version", env)
+            assert.match("LuaRocks main command-line interface", output, 1, true)
+         end, finally)
+      end)
+   end)
+
+   describe("--lua-dir", function()
+      it("fails if given an invalid path", function()
+         local output = run.luarocks("--lua-dir=/bad/lua/path")
+         assert.match("Lua interpreter not found at /bad/lua/path", output, 1, true)
+      end)
+
+      it("fails if given a valid path without Lua", function()
+         local output = run.luarocks("--lua-dir=.")
+         assert.match("Lua interpreter not found at .", output, 1, true)
+      end)
+
+      it("passes if given a valid path with Lua", function()
+         assert.truthy(run.luarocks("--lua-dir=" .. test_env.testing_paths.luadir))
+      end)
+
+      it("passes if given a quoted path with Lua", function()
+         assert.truthy(run.luarocks("--lua-dir '" .. test_env.testing_paths.luadir .. "'"))
+      end)
+   end)
+
+   describe("--lua-version", function()
+      it("fails if given something that is not a number", function()
+         local output = run.luarocks("--lua-version=bozo")
+         assert.match("malformed", output, 1, true)
+      end)
+
+      it("sets the version independently of project tree", function()
+         test_env.run_in_tmp(function(tmpdir)
+            assert.truthy(run.luarocks_bool("init --lua-version=" .. test_env.lua_version .. " --lua-versions=" .. test_env.lua_version))
+
+            local output = run.luarocks("--lua-version=1.0")
+            assert.match("Version%s*:%s*1.0", output)
+
+            output = run.luarocks("--lua-version=1.0 --project-tree=.")
+            assert.match("Version%s*:%s*1.0", output)
+         end, finally)
+      end)
+   end)
+
+   it("detects version based on project tree", function()
+      test_env.run_in_tmp(function(tmpdir)
+         assert.truthy(run.luarocks_bool("init --lua-version=" .. test_env.lua_version))
+         assert.truthy(run.luarocks_bool("config lua_version 1.0 --project-tree=" .. tmpdir .. "/lua_modules"))
+
+         lfs.mkdir("aaa")
+         lfs.chdir("aaa")
+         lfs.mkdir("bbb")
+         lfs.chdir("bbb")
+
+         local output = run.luarocks("")
+         assert.match("Version%s*:%s*1.0", output)
+      end, finally)
+   end)
+
+   -- for backward compatibility
+   it("detects version of a project based on config", function()
+      test_env.run_in_tmp(function(tmpdir)
+         assert.truthy(run.luarocks_bool("init --lua-version=" .. test_env.lua_version))
+         os.remove(".luarocks/config-" .. test_env.lua_version .. ".lua")
+         os.remove(".luarocks/default-lua-version.lua")
+         test_env.write_file(".luarocks/config-5.2.lua", [[ ]], finally)
+
+         lfs.mkdir("aaa")
+         lfs.chdir("aaa")
+         lfs.mkdir("bbb")
+         lfs.chdir("bbb")
+
+         local output = run.luarocks("")
+         assert.match("Version%s*:%s*5.2", output)
+      end, finally)
+   end)
+
+end)