aboutsummaryrefslogtreecommitdiff
path: root/test/functional/treesitter/inspect_tree_spec.lua
blob: 47f3421cfe6052366f7e5ce4fd9b4472e7de592d (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
local t = require('test.testutil')
local n = require('test.functional.testnvim')()

local clear = n.clear
local insert = n.insert
local dedent = t.dedent
local eq = t.eq
local exec_lua = n.exec_lua
local feed = n.feed

describe('vim.treesitter.inspect_tree', function()
  before_each(clear)

  local expect_tree = function(x)
    local expected = vim.split(vim.trim(dedent(x)), '\n')
    local actual = n.buf_lines(0) ---@type string[]
    eq(expected, actual)
  end

  it('working', function()
    insert([[
      print()
      ]])

    exec_lua(function()
      vim.treesitter.start(0, 'lua')
      vim.treesitter.inspect_tree()
    end)

    expect_tree [[
      (chunk ; [0, 0] - [2, 0]
        (function_call ; [0, 0] - [0, 7]
          name: (identifier) ; [0, 0] - [0, 5]
          arguments: (arguments))) ; [0, 5] - [0, 7]
      ]]
  end)

  it('can toggle to show anonymous nodes', function()
    insert([[
      print('hello')
      ]])

    exec_lua(function()
      vim.treesitter.start(0, 'lua')
      vim.treesitter.inspect_tree()
    end)
    feed('a')

    expect_tree [[
      (chunk ; [0, 0] - [2, 0]
        (function_call ; [0, 0] - [0, 14]
          name: (identifier) ; [0, 0] - [0, 5]
          arguments: (arguments ; [0, 5] - [0, 14]
            "(" ; [0, 5] - [0, 6]
            (string ; [0, 6] - [0, 13]
              start: "'" ; [0, 6] - [0, 7]
              content: (string_content) ; [0, 7] - [0, 12]
              end: "'") ; [0, 12] - [0, 13]
            ")"))) ; [0, 13] - [0, 14]
      ]]
  end)

  it('works for injected trees', function()
    insert([[
      ```lua
      return
      ```
      ]])

    exec_lua(function()
      vim.treesitter.start(0, 'markdown')
      vim.treesitter.get_parser():parse()
      vim.treesitter.inspect_tree()
    end)

    expect_tree [[
      (document ; [0, 0] - [4, 0]
        (section ; [0, 0] - [4, 0]
          (fenced_code_block ; [0, 0] - [3, 0]
            (fenced_code_block_delimiter) ; [0, 0] - [0, 3]
            (info_string ; [0, 3] - [0, 6]
              (language)) ; [0, 3] - [0, 6]
            (block_continuation) ; [1, 0] - [1, 0]
            (code_fence_content ; [1, 0] - [2, 0]
              (chunk ; [1, 0] - [2, 0]
                (return_statement)) ; [1, 0] - [1, 6]
              (block_continuation)) ; [2, 0] - [2, 0]
            (fenced_code_block_delimiter)))) ; [2, 0] - [2, 3]
      ]]
  end)

  it('can toggle to show languages', function()
    insert([[
      ```lua
      return
      ```
      ]])

    exec_lua(function()
      vim.treesitter.start(0, 'markdown')
      vim.treesitter.get_parser():parse()
      vim.treesitter.inspect_tree()
    end)
    feed('I')

    expect_tree [[
      (document ; [0, 0] - [4, 0] markdown
        (section ; [0, 0] - [4, 0] markdown
          (fenced_code_block ; [0, 0] - [3, 0] markdown
            (fenced_code_block_delimiter) ; [0, 0] - [0, 3] markdown
            (info_string ; [0, 3] - [0, 6] markdown
              (language)) ; [0, 3] - [0, 6] markdown
            (block_continuation) ; [1, 0] - [1, 0] markdown
            (code_fence_content ; [1, 0] - [2, 0] markdown
              (chunk ; [1, 0] - [2, 0] lua
                (return_statement)) ; [1, 0] - [1, 6] lua
              (block_continuation)) ; [2, 0] - [2, 0] markdown
            (fenced_code_block_delimiter)))) ; [2, 0] - [2, 3] markdown
      ]]
  end)

  it('updates source and tree buffer windows and closes them correctly', function()
    local name = t.tmpname()
    n.command('edit ' .. name)
    insert([[
      print()
      ]])
    n.command('set filetype=lua | write')

    -- setup two windows for the source buffer
    exec_lua(function()
      _G.source_win = vim.api.nvim_get_current_win()
      _G.source_win2 = vim.api.nvim_open_win(0, false, {
        win = 0,
        split = 'left',
      })
    end)

    -- setup three windows for the tree buffer
    exec_lua(function()
      vim.treesitter.inspect_tree()
      _G.tree_win = vim.api.nvim_get_current_win()
      _G.tree_win2 = vim.api.nvim_open_win(0, false, {
        win = 0,
        split = 'left',
      })
      _G.tree_win3 = vim.api.nvim_open_win(0, false, {
        win = 0,
        split = 'left',
      })
    end)

    -- close original source window without closing tree views
    exec_lua('vim.api.nvim_set_current_win(source_win)')
    feed(':quit<CR>')
    eq('', n.api.nvim_get_vvar('errmsg'))
    eq(true, exec_lua('return vim.api.nvim_win_is_valid(tree_win)'))
    eq(true, exec_lua('return vim.api.nvim_win_is_valid(tree_win2)'))
    eq(true, exec_lua('return vim.api.nvim_win_is_valid(tree_win3)'))

    -- navigates correctly to the remaining source buffer window
    exec_lua('vim.api.nvim_set_current_win(tree_win)')
    feed('<CR>')
    eq('', n.api.nvim_get_vvar('errmsg'))
    eq(true, exec_lua('return vim.api.nvim_get_current_win() == source_win2'))

    -- close original tree window
    exec_lua(function()
      vim.api.nvim_set_current_win(_G.tree_win2)
      vim.api.nvim_win_close(_G.tree_win, false)
    end)

    -- navigates correctly to the remaining source buffer window
    feed('<CR>')
    eq('', n.api.nvim_get_vvar('errmsg'))
    eq(true, exec_lua('return vim.api.nvim_get_current_win() == source_win2'))

    -- close source buffer window and all remaining tree windows
    n.expect_exit(n.command, 'quit')
  end)
end)