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local tsutils = require "nvim-treesitter.ts_utils"
describe("is_in_node_range", function()
local function test_is_in_node_range(line, col)
local node = {
range = function()
return unpack { 0, 3, 2, 5 }
end,
}
return tsutils.is_in_node_range(node, line, col)
end
it("returns false before node start", function()
assert.is_false(test_is_in_node_range(0, 0))
assert.is_false(test_is_in_node_range(0, 1))
assert.is_false(test_is_in_node_range(0, 2))
end)
it("returns true at node start", function()
assert.is_true(test_is_in_node_range(0, 3))
end)
it("returns true on first line of the node", function()
assert.is_true(test_is_in_node_range(0, 4))
end)
it("returns true between node lines", function()
assert.is_true(test_is_in_node_range(1, 2))
assert.is_true(test_is_in_node_range(1, 20))
end)
it("returns false on node end", function()
-- Ranges are end-exclusive
assert.is_false(test_is_in_node_range(2, 5))
end)
it("returns false after node end", function()
assert.is_false(test_is_in_node_range(2, 6))
assert.is_false(test_is_in_node_range(3, 0))
end)
end)
describe("update_selection", function()
local function get_updated_selection(case)
vim.api.nvim_buf_set_lines(0, 0, -1, false, case.lines)
tsutils.update_selection(0, case.node, case.selection_mode)
vim.cmd "normal! y"
return vim.fn.getreg '"'
end
it("charwise1", function()
assert.equal(
get_updated_selection {
lines = { "foo", "", "bar" },
node = { 0, 0, 2, 1 },
selection_mode = "v",
},
"foo\n\nb"
)
it("charwise2", function() end)
assert.equal(
get_updated_selection {
lines = { "foo", "", "bar" },
node = { 0, 1, 2, 1 },
selection_mode = "v",
},
"oo\n\nb"
)
it("charwise3", function() end)
assert.equal(
get_updated_selection {
lines = { "foo", "", "bar" },
node = { 0, 2, 2, 1 },
selection_mode = "v",
},
"o\n\nb"
)
it("charwise4", function() end)
assert.equal(
get_updated_selection {
lines = { "foo", "", "bar" },
node = { 0, 3, 2, 1 },
selection_mode = "v",
},
"\n\nb"
)
end)
it("linewise", function()
assert.equal(
get_updated_selection {
lines = { "foo", "", "bar" },
node = { 0, 3, 2, 1 },
selection_mode = "V",
},
"foo\n\nbar\n"
)
end)
it("blockwise", function()
assert.equal(
get_updated_selection {
lines = { "foo", "", "bar" },
node = { 0, 3, 2, 1 },
selection_mode = "<C-v>",
},
"foo\n\nbar"
)
end)
end)
describe("swap_nodes", function()
local function swap(case)
vim.api.nvim_buf_set_lines(0, 0, -1, false, case.lines)
vim.opt.filetype = case.filetype
local a = vim.treesitter.get_node_at_pos(0, case.a[1], case.a[2], {})
local b = vim.treesitter.get_node_at_pos(0, case.b[1], case.b[2], {})
tsutils.swap_nodes(a, b, 0, true)
end
it("works on adjacent nodes", function()
swap {
filetype = "python",
lines = { "print(1)" },
a = { 0, 0 },
b = { 0, 5 },
}
it("swaps text", function() end)
assert.same(vim.api.nvim_buf_get_lines(0, 0, -1, false), { "(1)print" })
it("moves the cursor", function() end)
assert.same(vim.api.nvim_win_get_cursor(0), { 1, 3 })
end)
it("works with multiline nodes", function()
swap {
filetype = "lua",
lines = { "x = { [[", "]], [[", ".....]]}" },
a = { 0, 6 },
b = { 1, 4 },
}
it("swaps text", function() end)
assert.same(vim.api.nvim_buf_get_lines(0, 0, -1, false), { "x = { [[", ".....]], [[", "]]}" })
it("moves the cursor", function() end)
assert.same(vim.api.nvim_win_get_cursor(0), { 2, 9 })
end)
end)
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