2 files changed, 67 insertions, 0 deletions
diff --git a/.config/nvim/lua/tests/init.lua b/.config/nvim/lua/tests/init.lua
new file mode 100644
index 0000000..210ca0d
--- /dev/null
+++ b/.config/nvim/lua/tests/init.lua
@@ -0,0 +1,36 @@
+-- lua require('tests').test(TEST_SUITE_NAME)
+
+local M = {}
+
+
+local T = {}
+
+function T.new(suite_name)
+   local instance = {}
+   instance.suite_name = suite_name
+   instance._index = 1
+   setmetatable(instance, {__index = T})
+   return instance
+end
+
+function T:assert(expr, message)
+   assert(expr, ('[tests.%s:%d] %s'):format(self.suite_name, self._index, message))
+   self._index = self._index + 1
+end
+
+function T:assert_eq(expected, actual, message)
+   message = message or (tostring(expected) .. ' != ' .. tostring(actual))
+   assert(expected == actual, ('[tests.%s:%d] %s'):format(self.suite_name, self._index, message))
+   self._index = self._index + 1
+end
+
+
+function M.test(suite_name)
+   assert(suite_name, '[tests.test] suite_name is required.')
+
+   local suite = require('tests.' .. suite_name)
+   suite.test(T.new(suite_name))
+end
+
+
+return M
diff --git a/.config/nvim/lua/tests/uniquify.lua b/.config/nvim/lua/tests/uniquify.lua
new file mode 100644
index 0000000..9f58298
--- /dev/null
+++ b/.config/nvim/lua/tests/uniquify.lua
@@ -0,0 +1,31 @@
+local M = {}
+
+local uniquify = require('uniquify').uniquify
+
+
+function M.test(t)
+   local test_cases = {
+      -- expected, this_path, other_paths
+      {'foo.txt',         'foo.txt',             {}},
+      {'foo.txt',         'bar/foo.txt',         {}},
+      {'foo.txt',         'foo.txt',             {'foo.txt'}},
+      {'bar/foo.txt',     'bar/foo.txt',         {'foo.txt'}},
+      {'bar/foo.txt',     'bar/foo.txt',         {'baz/foo.txt'}},
+      {'foo.txt',         'bar/foo.txt',         {'bar.txt', 'baz.txt'}},
+      {'foo.txt',         'bar/foo.txt',         {'bar.txt', 'baz.txt'}},
+      {'baz.txt',         'foo/bar/baz.txt',     {}},
+      {'foo/b/baz.txt',   'foo/bar/baz.txt',     {'spam/bar/baz.txt'}},
+      {'foo/b/baz.txt',   'foo/bar/baz.txt',     {'fiz/foo/bar/baz.txt', 'spam/bar/baz.txt'}},
+      {'fiz/f/b/baz.txt', 'fiz/foo/bar/baz.txt', {'foo/bar/baz.txt'}},
+   }
+
+   for _, row in ipairs(test_cases) do
+      local expected = row[1]
+      local this_path = row[2]
+      local other_paths = row[3]
+      t:assert_eq(expected, uniquify(this_path, other_paths))
+   end
+end
+
+
+return M