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test(treesitter): add test cases for inspect_tree

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Co-authored-by: altermo <107814000+altermo@users.noreply.github.com>
This commit is contained in:
Jongwook Choi 2024-02-01 15:25:40 -05:00
parent a478bf936b
commit f4a3c32631
1 changed files with 109 additions and 0 deletions
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109
test/functional/treesitter/inspect_tree_spec.lua Normal file
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local helpers = require('test.functional.helpers')(after_each)
local clear = helpers.clear
local insert = helpers.insert
local dedent = helpers.dedent
local eq = helpers.eq
local exec_lua = helpers.exec_lua
local feed = helpers.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 = helpers.buf_lines(0) ---@type string[]
eq(expected, actual)
end
it('working', function()
insert([[
print()
]])
exec_lua([[
vim.treesitter.start(0, 'lua')
vim.treesitter.inspect_tree()
]])
expect_tree [[
(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()
]])
exec_lua([[
vim.treesitter.start(0, 'lua')
vim.treesitter.inspect_tree()
]])
feed('a')
expect_tree [[
(function_call ; [0, 0] - [0, 7]
name: (identifier) ; [0, 0] - [0, 5]
arguments: (arguments ; [0, 5] - [0, 7]
"(" ; [0, 5] - [0, 6]
")")) ; [0, 6] - [0, 7]
]]
end)
it('works for injected trees', function()
insert([[
```lua
return
```
]])
exec_lua([[
vim.treesitter.start(0, 'markdown')
vim.treesitter.get_parser():parse()
vim.treesitter.inspect_tree()
]])
expect_tree [[
(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]
(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([[
vim.treesitter.start(0, 'markdown')
vim.treesitter.get_parser():parse()
vim.treesitter.inspect_tree()
]])
feed('I')
expect_tree [[
(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
(return_statement) ; [1, 0] - [1, 6] lua
(block_continuation)) ; [2, 0] - [2, 0] markdown
(fenced_code_block_delimiter))) ; [2, 0] - [2, 3] markdown
]]
end)
end)