feat: initial release

spec/tmux_spec.lua

@@ -0,0 +1,166 @@
+local helpers = require('spec.helpers')
+
+local TMUX_COMMANDS = table.concat({
+  'bind-key (bind) [-lnrN:T:] key command [arguments]',
+  'display-message (display) [-aINpv] [-c target-client] [-d delay] [-t target-pane] [message]',
+  'set-option (set) [-aFgopqsuUw] [-t target-pane] option [value]',
+}, '\n')
+
+local TMUX_NAMES = 'bind-key\ndisplay-message\nset-option\n'
+
+local MAN_PAGE = table.concat({
+  '       bind-key [-lnrN:T:] key command [arguments]',
+  '             (alias: bind)',
+  '',
+  '             Bind a key to a command.',
+  '',
+  '       display-message [-aINpv] [-c target-client] [-d delay] [-t target-pane] [message]',
+  '             (alias: display)',
+  '',
+  '             Display a message.',
+  '',
+  '       set-option [-aFgopqsuUw] [-t target-pane] option [value]',
+  '             (alias: set)',
+  '',
+  '             Set a window option.',
+}, '\n')
+
+local function mock_system()
+  local original = vim.system
+  ---@diagnostic disable-next-line: duplicate-set-field
+  vim.system = function(cmd)
+    if cmd[1] == 'bash' then
+      return {
+        wait = function()
+          return { stdout = MAN_PAGE, code = 0 }
+        end,
+      }
+    elseif cmd[1] == 'tmux' and cmd[2] == 'list-commands' then
+      if cmd[3] == '-F' then
+        return {
+          wait = function()
+            return { stdout = TMUX_NAMES, code = 0 }
+          end,
+        }
+      end
+      return {
+        wait = function()
+          return { stdout = TMUX_COMMANDS, code = 0 }
+        end,
+      }
+    end
+    return {
+      wait = function()
+        return { stdout = '', code = 1 }
+      end,
+    }
+  end
+  return function()
+    vim.system = original
+  end
+end
+
+describe('blink-cmp-tmux', function()
+  local restore
+
+  before_each(function()
+    package.loaded['blink-cmp-tmux'] = nil
+    restore = mock_system()
+  end)
+
+  after_each(function()
+    if restore then
+      restore()
+    end
+  end)
+
+  describe('enabled', function()
+    it('returns true for tmux filetype', function()
+      local bufnr = helpers.create_buffer({}, 'tmux')
+      local source = require('blink-cmp-tmux')
+      assert.is_true(source.enabled())
+      helpers.delete_buffer(bufnr)
+    end)
+
+    it('returns false for other filetypes', function()
+      local bufnr = helpers.create_buffer({}, 'lua')
+      local source = require('blink-cmp-tmux')
+      assert.is_false(source.enabled())
+      helpers.delete_buffer(bufnr)
+    end)
+  end)
+
+  describe('get_completions', function()
+    it('returns items with Keyword kind', function()
+      local source = require('blink-cmp-tmux').new()
+      local items
+      source:get_completions({ line = '', cursor = { 1, 0 } }, function(response)
+        items = response.items
+      end)
+      assert.is_not_nil(items)
+      assert.equals(3, #items)
+      for _, item in ipairs(items) do
+        assert.equals(14, item.kind)
+      end
+    end)
+
+    it('returns items on empty line', function()
+      local source = require('blink-cmp-tmux').new()
+      local items
+      source:get_completions({ line = '', cursor = { 1, 0 } }, function(response)
+        items = response.items
+      end)
+      assert.equals(3, #items)
+    end)
+
+    it('returns items when typing command prefix', function()
+      local source = require('blink-cmp-tmux').new()
+      local items
+      source:get_completions({ line = 'bind', cursor = { 1, 4 } }, function(response)
+        items = response.items
+      end)
+      assert.is_true(#items > 0)
+    end)
+
+    it('returns empty after command arguments', function()
+      local source = require('blink-cmp-tmux').new()
+      local items
+      source:get_completions({ line = 'bind-key -n ', cursor = { 1, 12 } }, function(response)
+        items = response.items
+      end)
+      assert.equals(0, #items)
+    end)
+
+    it('includes documentation with man page description', function()
+      local source = require('blink-cmp-tmux').new()
+      local items
+      source:get_completions({ line = '', cursor = { 1, 0 } }, function(response)
+        items = response.items
+      end)
+      local bind = vim.iter(items):find(function(item)
+        return item.label == 'bind-key'
+      end)
+      assert.is_not_nil(bind)
+      assert.is_not_nil(bind.documentation)
+      assert.is_truthy(bind.documentation.value:find('Bind a key'))
+    end)
+
+    it('includes alias in documentation', function()
+      local source = require('blink-cmp-tmux').new()
+      local items
+      source:get_completions({ line = '', cursor = { 1, 0 } }, function(response)
+        items = response.items
+      end)
+      local bind = vim.iter(items):find(function(item)
+        return item.label == 'bind-key'
+      end)
+      assert.is_truthy(bind.documentation.value:find('alias'))
+    end)
+
+    it('returns a cancel function', function()
+      local source = require('blink-cmp-tmux').new()
+      local cancel = source:get_completions({ line = '', cursor = { 1, 0 } }, function() end)
+      assert.is_function(cancel)
+    end)
+  end)
+end)