diff --git a/.luacheckrc b/.luacheckrc
new file mode 100644
index 0000000..c8a3f4e
--- /dev/null
+++ b/.luacheckrc
@@ -0,0 +1,3 @@
+globals = {
+    "vim",
+}
diff --git a/.woodpecker.yml b/.woodpecker.yml
new file mode 100644
index 0000000..2f9a185
--- /dev/null
+++ b/.woodpecker.yml
@@ -0,0 +1,12 @@
+# branches: main
+
+pipeline:
+  code_lint:
+    image: pipelinecomponents/luacheck
+    commands:
+      - luacheck lua/zettelkasten
+
+  unit_tests:
+    image: imega/busted
+    commands:
+      - busted test -C lua
diff --git a/lua/test/action_spec.lua b/lua/test/action_spec.lua
index d720f4c..0eb32a2 100644
--- a/lua/test/action_spec.lua
+++ b/lua/test/action_spec.lua
@@ -1,7 +1,12 @@
 local action = require 'zettelkasten.action'
 
 before_each(function()
-    _G.vim = {g = {}, b = {}, loop = {fs_scandir = function() end}}
+    _G.vim = {
+        g = {},
+        b = {},
+        fn = {fnameescape = function(input) return input end},
+        loop = {fs_scandir = function() end}
+    }
 end)
 after_each(function() _G.vim = nil end)
 
@@ -102,7 +107,7 @@ end)
 
 describe("create_link", function()
     it("substitutes the argument text with a link", function()
-        pending()
+        pending("not implemented")
         vim.fn = {getpos = function() return {1, 2, 3} end}
         vim.api = {
             nvim_buf_get_lines = function() return {"hi", 1, 2} end,
diff --git a/lua/test/files_spec.lua b/lua/test/files_spec.lua
index 0e23b7d..c5874a6 100644
--- a/lua/test/files_spec.lua
+++ b/lua/test/files_spec.lua
@@ -19,7 +19,7 @@ local function simple_api_mock(files)
 end
 
 describe("get_anchors_and_paths", function()
-    before_each(function() get_api_mock = simple_api_mock end)
+    before_each(function() Get_api_mock = simple_api_mock end)
     after_each(function() _G.vim = nil end)
 
     it("should return anchor-keyed table pointing to filename of zettel",
@@ -27,7 +27,7 @@ describe("get_anchors_and_paths", function()
         local file_list = {}
         file_list["someDir/1910291645 this-is-a-testfile.md"] =
             "1910291645 this-is-a-testfile.md"
-        _G.vim = get_api_mock(file_list)
+        _G.vim = Get_api_mock(file_list)
 
         local expected = {
             ["1910291645"] = "someDir/1910291645 this-is-a-testfile.md"
@@ -43,7 +43,7 @@ describe("get_anchors_and_paths", function()
             ["1910271456 this-is-wrong-extension.txt"] = "1910271456 this-is-wrong-extension.txt",
             ["1812 this-is-ignored.md"] = "1812 this-is-ignored.md"
         }
-        _G.vim = get_api_mock(file_list)
+        _G.vim = Get_api_mock(file_list)
 
         local expected = {
             ["1910291645"] = "someDir/1910291645 this-is-a-testfile.md",
@@ -57,7 +57,7 @@ describe("get_anchors_and_paths", function()
             ["mydirectory/1910291645 myfile.wiki"] = "1910291645 myfile.wiki",
             ["mydirectory/2345678901 another.wiki"] = "2345678901 another.wiki"
         }
-        _G.vim = get_api_mock(file_list)
+        _G.vim = Get_api_mock(file_list)
         vim.g['zettel_extension'] = '.wiki'
 
         local expected = {
@@ -71,7 +71,7 @@ describe("get_anchors_and_paths", function()
 end)
 
 describe("get_all_files", function()
-    it("should recurse into directories if recursive argument passed in ",
+    it("should recurse into directories if recursive argument passed in",
        function()
         local files = {
             {"1910271456 testfile.md", "file"},
@@ -91,7 +91,7 @@ describe("get_all_files", function()
                 end,
                 fs_scandir_next = function()
                     if #files == 0 then return nil end
-                    local fname, ftype = unpack(table.remove(files))
+                    local fname, ftype = table.unpack(table.remove(files))
                     return fname, ftype
                 end
             })
diff --git a/lua/zettelkasten/action.lua b/lua/zettelkasten/action.lua
index 2eff445..86868a1 100644
--- a/lua/zettelkasten/action.lua
+++ b/lua/zettelkasten/action.lua
@@ -11,7 +11,7 @@ function A.open(link)
     if not link or not link.ref then return end
     local fname = f.get_zettel_by_anchor(link.anchor) or
                       f.get_zettel_by_ref(link.ref) or link.ref
-    vim.api.nvim_command(string.format("edit %s", fname))
+    vim.api.nvim_command(string.format("edit %s", vim.fn.fnameescape(fname)))
 end
 
 -- Gets the input at the current buffer cursor and opens it