feat: initial release

spec/ghostty_spec.lua

@@ -0,0 +1,175 @@
+local helpers = require('spec.helpers')
+
+local CONFIG_DOCS = table.concat({
+  '# The font family to use.',
+  '# This can be a comma-separated list of font families.',
+  'font-family = default',
+  '',
+  '# The font size in points.',
+  'font-size = 12',
+  '',
+  '# The cursor style.',
+  'cursor-style = block',
+  '',
+}, '\n')
+
+local BASH_COMPLETION = table.concat({
+  '      --cursor-style) mapfile -t COMPREPLY < <( compgen -W "block bar underline" -- "$cur" ); _add_spaces ;;',
+  '      --font-style) mapfile -t COMPREPLY < <( compgen -W "normal italic" -- "$cur" ); _add_spaces ;;',
+}, '\n')
+
+local function mock_system()
+  local original = vim.system
+  ---@diagnostic disable-next-line: duplicate-set-field
+  vim.system = function(cmd)
+    if cmd[1] == 'ghostty' then
+      return {
+        wait = function()
+          return { stdout = CONFIG_DOCS, code = 0 }
+        end,
+      }
+    end
+    return {
+      wait = function()
+        return { stdout = '', code = 1 }
+      end,
+    }
+  end
+  return function()
+    vim.system = original
+  end
+end
+
+local function mock_enums()
+  local original_exepath = vim.fn.exepath
+  local original_realpath = vim.uv.fs_realpath
+  local original_open = io.open
+
+  vim.fn.exepath = function(name)
+    if name == 'ghostty' then
+      return '/mock/bin/ghostty'
+    end
+    return original_exepath(name)
+  end
+  vim.uv.fs_realpath = function(path)
+    if path == '/mock/bin/ghostty' then
+      return '/mock/bin/ghostty'
+    end
+    return original_realpath(path)
+  end
+  io.open = function(path, mode)
+    if path:match('ghostty%.bash$') then
+      return {
+        read = function()
+          return BASH_COMPLETION
+        end,
+        close = function() end,
+      }
+    end
+    return original_open(path, mode)
+  end
+
+  return function()
+    vim.fn.exepath = original_exepath
+    vim.uv.fs_realpath = original_realpath
+    io.open = original_open
+  end
+end
+
+describe('blink-cmp-ghostty', function()
+  local restores = {}
+
+  before_each(function()
+    package.loaded['blink-cmp-ghostty'] = nil
+  end)
+
+  after_each(function()
+    for _, fn in ipairs(restores) do
+      fn()
+    end
+    restores = {}
+  end)
+
+  describe('enabled', function()
+    it('returns true for ghostty filetype', function()
+      local bufnr = helpers.create_buffer({}, 'ghostty')
+      local source = require('blink-cmp-ghostty')
+      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-ghostty')
+      assert.is_false(source.enabled())
+      helpers.delete_buffer(bufnr)
+    end)
+  end)
+
+  describe('get_completions', function()
+    it('returns config keys before =', function()
+      restores[#restores + 1] = mock_system()
+      restores[#restores + 1] = mock_enums()
+      local source = require('blink-cmp-ghostty').new()
+      local items
+      source:get_completions({ line = 'font', cursor = { 1, 4 } }, function(response)
+        items = response.items
+      end)
+      assert.is_not_nil(items)
+      assert.equals(3, #items)
+      for _, item in ipairs(items) do
+        assert.equals(10, item.kind)
+      end
+    end)
+
+    it('includes documentation from config docs', function()
+      restores[#restores + 1] = mock_system()
+      restores[#restores + 1] = mock_enums()
+      local source = require('blink-cmp-ghostty').new()
+      local items
+      source:get_completions({ line = '', cursor = { 1, 0 } }, function(response)
+        items = response.items
+      end)
+      local font_family = vim.iter(items):find(function(item)
+        return item.label == 'font-family'
+      end)
+      assert.is_not_nil(font_family)
+      assert.is_not_nil(font_family.documentation)
+      assert.is_truthy(font_family.documentation.value:find('font family'))
+    end)
+
+    it('returns enum values after =', function()
+      restores[#restores + 1] = mock_system()
+      restores[#restores + 1] = mock_enums()
+      local source = require('blink-cmp-ghostty').new()
+      local items
+      source:get_completions({ line = 'cursor-style = ', cursor = { 1, 15 } }, function(response)
+        items = response.items
+      end)
+      assert.is_not_nil(items)
+      assert.equals(3, #items)
+      for _, item in ipairs(items) do
+        assert.equals(20, item.kind)
+      end
+    end)
+
+    it('returns empty after = for unknown key', function()
+      restores[#restores + 1] = mock_system()
+      restores[#restores + 1] = mock_enums()
+      local source = require('blink-cmp-ghostty').new()
+      local items
+      source:get_completions({ line = 'font-family = ', cursor = { 1, 14 } }, function(response)
+        items = response.items
+      end)
+      assert.equals(0, #items)
+    end)
+
+    it('returns a cancel function', function()
+      restores[#restores + 1] = mock_system()
+      restores[#restores + 1] = mock_enums()
+      local source = require('blink-cmp-ghostty').new()
+      local cancel = source:get_completions({ line = '', cursor = { 1, 0 } }, function() end)
+      assert.is_function(cancel)
+    end)
+  end)
+end)

spec/helpers.lua

@@ -0,0 +1,54 @@
+local plugin_dir = vim.fn.getcwd()
+vim.opt.runtimepath:prepend(plugin_dir)
+
+if not package.loaded['blink.cmp.types'] then
+  package.loaded['blink.cmp.types'] = {
+    CompletionItemKind = {
+      Text = 1,
+      Method = 2,
+      Function = 3,
+      Constructor = 4,
+      Field = 5,
+      Variable = 6,
+      Class = 7,
+      Interface = 8,
+      Module = 9,
+      Property = 10,
+      Unit = 11,
+      Value = 12,
+      Enum = 13,
+      Keyword = 14,
+      Snippet = 15,
+      Color = 16,
+      File = 17,
+      Reference = 18,
+      Folder = 19,
+      EnumMember = 20,
+      Constant = 21,
+      Struct = 22,
+      Event = 23,
+      Operator = 24,
+      TypeParameter = 25,
+    },
+  }
+end
+
+local M = {}
+
+function M.create_buffer(lines, filetype)
+  local bufnr = vim.api.nvim_create_buf(false, true)
+  vim.api.nvim_buf_set_lines(bufnr, 0, -1, false, lines or {})
+  if filetype then
+    vim.api.nvim_set_option_value('filetype', filetype, { buf = bufnr })
+  end
+  vim.api.nvim_set_current_buf(bufnr)
+  return bufnr
+end
+
+function M.delete_buffer(bufnr)
+  if bufnr and vim.api.nvim_buf_is_valid(bufnr) then
+    vim.api.nvim_buf_delete(bufnr, { force = true })
+  end
+end
+
+return M

spec/minimal_init.lua

@@ -0,0 +1,34 @@
+vim.cmd([[set runtimepath=$VIMRUNTIME]])
+vim.opt.runtimepath:append('.')
+vim.opt.packpath = {}
+vim.opt.loadplugins = false
+
+package.loaded['blink.cmp.types'] = {
+  CompletionItemKind = {
+    Text = 1,
+    Method = 2,
+    Function = 3,
+    Constructor = 4,
+    Field = 5,
+    Variable = 6,
+    Class = 7,
+    Interface = 8,
+    Module = 9,
+    Property = 10,
+    Unit = 11,
+    Value = 12,
+    Enum = 13,
+    Keyword = 14,
+    Snippet = 15,
+    Color = 16,
+    File = 17,
+    Reference = 18,
+    Folder = 19,
+    EnumMember = 20,
+    Constant = 21,
+    Struct = 22,
+    Event = 23,
+    Operator = 24,
+    TypeParameter = 25,
+  },
+}