Tests: improve isolation of tests

2 files changed, 14 insertions, 10 deletions

diff --git a/spec/util/test_env.lua b/spec/util/test_env.lua
index 60162ee3..51893e83 100644
--- a/spec/util/test_env.lua
+++ b/spec/util/test_env.lua
@@ -120,6 +120,7 @@ function test_env.execute_helper(command, print_command, env_variables)
       "LUA_CPATH_5_2",
       "LUA_PATH_5_3",
       "LUA_CPATH_5_3",
+      "LUAROCKS_SYSCONFDIR",
    }
 
    if env_variables then
diff --git a/spec/write_rockspec_spec.lua b/spec/write_rockspec_spec.lua
index 295eaa6b..1fb53547 100644
--- a/spec/write_rockspec_spec.lua
+++ b/spec/write_rockspec_spec.lua
@@ -9,16 +9,6 @@ describe("LuaRocks write_rockspec tests #integration", function()
       test_env.setup_specs()
    end)
 
-   it("runs with no flags/arguments", function()
-      local d = lfs.currentdir()
-      finally(function()
-         os.remove("testrock-dev-1.rockspec")
-         lfs.chdir(d)
-      end)
-      lfs.chdir("..")
-      assert.is_true(run.luarocks_bool("write_rockspec"))
-   end)
-
    it("fails with invalid argument", function()
       assert.is_false(run.luarocks_bool("write_rockspec invalid"))
    end)
@@ -38,6 +28,19 @@ describe("LuaRocks write_rockspec tests #integration", function()
          git:stop()
       end)
 
+      it("runs with no flags/arguments", function()
+         local d = lfs.currentdir()
+         finally(function()
+            os.remove("testrock-dev-1.rockspec")
+            lfs.chdir(d)
+            test_env.remove_dir("testrock")
+         end)
+         os.execute("git clone git://localhost/testrock")
+         lfs.chdir("testrock")
+         assert.is_true(run.luarocks_bool("write_rockspec"))
+         assert.is.truthy(lfs.attributes("testrock-dev-1.rockspec"))
+      end)
+
       it("runs", function()
          finally(function() os.remove("testrock-dev-1.rockspec") end)
          assert.is_true(run.luarocks_bool("write_rockspec git://localhost/testrock"))