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6d8c8b18d5
Problem: The magic globals `it`, `describe`, etc., are more trouble than they are worth. - Hooking into `after_each` requires `getfenv()` hacks. - They confuse luals/emmylua, because the top-level `.luarc.json` isn't merged with `test/.luarc.json` (apparently a luals limitation?) - They totally defeat discoverability because the user just has to "know" about the various magic symbols. So they harm DX, which means they serve no purpose at all. Solution: - Expose the test API from `testutil`, so tests can call `t.it()`, `t.describe()`, etc., in the conventional way. - Drop `getfenv()` hacks. - Drop the `setfenv()` injection in `load_chunk`. - Drop `test/_meta.lua`.
52 lines
1.6 KiB
Lua
52 lines
1.6 KiB
Lua
local t = require('test.testutil')
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local n = require('test.functional.testnvim')()
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local describe, it, before_each = t.describe, t.it, t.before_each
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local clear = n.clear
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local insert = n.insert
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local eq = t.eq
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local exec_lua = n.exec_lua
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before_each(clear)
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describe('treesitter utils', function()
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it('can find an ancestor', function()
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insert([[
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int main() {
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int x = 3;
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}]])
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exec_lua(function()
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local parser = vim.treesitter.get_parser(0, 'c')
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local tree = parser:parse()[1]
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local root = tree:root()
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_G.ancestor = assert(root:child(0))
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_G.child = assert(_G.ancestor:named_child(1))
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_G.child_sibling = assert(_G.ancestor:named_child(2))
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_G.grandchild = assert(_G.child:named_child(0))
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end)
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eq(true, exec_lua('return vim.treesitter.is_ancestor(_G.ancestor, _G.child)'))
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eq(true, exec_lua('return vim.treesitter.is_ancestor(_G.ancestor, _G.grandchild)'))
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eq(false, exec_lua('return vim.treesitter.is_ancestor(_G.child, _G.ancestor)'))
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eq(false, exec_lua('return vim.treesitter.is_ancestor(_G.child, _G.child_sibling)'))
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end)
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it('can detect if a position is contained in a node', function()
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exec_lua(function()
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_G.node = {
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range = function()
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return 0, 4, 0, 8
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end,
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}
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end)
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eq(false, exec_lua('return vim.treesitter.is_in_node_range(node, 0, 3)'))
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for i = 4, 7 do
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eq(true, exec_lua('return vim.treesitter.is_in_node_range(node, 0, ...)', i))
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end
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-- End column exclusive
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eq(false, exec_lua('return vim.treesitter.is_in_node_range(node, 0, 8)'))
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end)
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end)
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