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-- Sanity checks for buffer_* API calls via msgpack-rpc
local helpers = require('test.functional.helpers')
local clear, nvim, buffer, curbuf, curwin, eq, ok =
helpers.clear, helpers.nvim, helpers.buffer, helpers.curbuf, helpers.curwin,
helpers.eq, helpers.ok
describe('buffer_* functions', function()
before_each(clear)
describe('line_count, insert and del_line', function()
it('works', function()
eq(1, curbuf('line_count'))
curbuf('insert', -1, {'line'})
eq(2, curbuf('line_count'))
curbuf('insert', -1, {'line'})
eq(3, curbuf('line_count'))
curbuf('del_line', -1)
eq(2, curbuf('line_count'))
curbuf('del_line', -1)
curbuf('del_line', -1)
-- There's always at least one line
eq(1, curbuf('line_count'))
end)
end)
describe('{get,set,del}_line', function()
it('works', function()
eq('', curbuf('get_line', 0))
curbuf('set_line', 0, 'line1')
eq('line1', curbuf('get_line', 0))
curbuf('set_line', 0, 'line2')
eq('line2', curbuf('get_line', 0))
curbuf('del_line', 0)
eq('', curbuf('get_line', 0))
end)
it('get_line: out-of-bounds returns empty string', function()
curbuf('set_line', 0, 'line1.a')
eq('', curbuf('get_line', 1))
eq('', curbuf('get_line', -2))
end)
it('set_line, del_line: out-of-bounds is an error', function()
curbuf('set_line', 0, 'line1.a')
eq(false, pcall(curbuf, 'set_line', 1, 'line1.b'))
eq(false, pcall(curbuf, 'set_line', -2, 'line1.b'))
eq(false, pcall(curbuf, 'del_line', 2))
eq(false, pcall(curbuf, 'del_line', -3))
end)
it('can handle NULs', function()
curbuf('set_line', 0, 'ab\0cd')
eq('ab\0cd', curbuf('get_line', 0))
end)
end)
describe('{get,set}_line_slice', function()
it('get_line_slice: out-of-bounds returns empty array', function()
curbuf('set_line_slice', 0, 0, true, true, {'a', 'b', 'c'})
eq({'a', 'b', 'c'}, curbuf('get_line_slice', 0, 2, true, true)) --sanity
eq({}, curbuf('get_line_slice', 2, 3, false, true))
eq({}, curbuf('get_line_slice', 3, 9, true, true))
eq({}, curbuf('get_line_slice', 3, -1, true, true))
eq({}, curbuf('get_line_slice', -3, -4, false, true))
eq({}, curbuf('get_line_slice', -4, -5, true, true))
end)
it('set_line_slice: out-of-bounds is an error', function()
curbuf('set_line_slice', 0, 0, true, true, {'a', 'b', 'c'})
eq({'a', 'b', 'c'}, curbuf('get_line_slice', 0, 2, true, true)) --sanity
eq({'c'}, curbuf('get_line_slice', -1, 4, true, true))
eq({'a', 'b', 'c'}, curbuf('get_line_slice', 0, 5, true, true))
eq(false, pcall(curbuf, 'set_line_slice', 4, 5, true, true, {'d'}))
eq(false, pcall(curbuf, 'set_line_slice', -4, -5, true, true, {'d'}))
end)
it('works', function()
eq({''}, curbuf('get_line_slice', 0, -1, true, true))
-- Replace buffer
curbuf('set_line_slice', 0, -1, true, true, {'a', 'b', 'c'})
eq({'a', 'b', 'c'}, curbuf('get_line_slice', 0, -1, true, true))
eq({'b', 'c'}, curbuf('get_line_slice', 1, -1, true, true))
eq({'b'}, curbuf('get_line_slice', 1, 2, true, false))
eq({}, curbuf('get_line_slice', 1, 1, true, false))
eq({'a', 'b'}, curbuf('get_line_slice', 0, -1, true, false))
eq({'b'}, curbuf('get_line_slice', 1, -1, true, false))
eq({'b', 'c'}, curbuf('get_line_slice', -2, -1, true, true))
curbuf('set_line_slice', 1, 2, true, false, {'a', 'b', 'c'})
eq({'a', 'a', 'b', 'c', 'c'}, curbuf('get_line_slice', 0, -1, true, true))
curbuf('set_line_slice', -1, -1, true, true, {'a', 'b', 'c'})
eq({'a', 'a', 'b', 'c', 'a', 'b', 'c'},
curbuf('get_line_slice', 0, -1, true, true))
curbuf('set_line_slice', 0, -3, true, false, {})
eq({'a', 'b', 'c'}, curbuf('get_line_slice', 0, -1, true, true))
curbuf('set_line_slice', 0, -1, true, true, {})
eq({''}, curbuf('get_line_slice', 0, -1, true, true))
end)
end)
describe('{get,set}_var', function()
it('works', function()
curbuf('set_var', 'lua', {1, 2, {['3'] = 1}})
eq({1, 2, {['3'] = 1}}, curbuf('get_var', 'lua'))
eq({1, 2, {['3'] = 1}}, nvim('eval', 'b:lua'))
end)
end)
describe('{get,set}_option', function()
it('works', function()
eq(8, curbuf('get_option', 'shiftwidth'))
curbuf('set_option', 'shiftwidth', 4)
eq(4, curbuf('get_option', 'shiftwidth'))
-- global-local option
curbuf('set_option', 'define', 'test')
eq('test', curbuf('get_option', 'define'))
-- Doesn't change the global value
eq([[^\s*#\s*define]], nvim('get_option', 'define'))
end)
end)
describe('{get,set}_name', function()
it('works', function()
nvim('command', 'new')
eq('', curbuf('get_name'))
local new_name = nvim('eval', 'resolve(tempname())')
curbuf('set_name', new_name)
eq(new_name, curbuf('get_name'))
nvim('command', 'w!')
local f = io.open(new_name)
ok(f ~= nil)
f:close()
os.remove(new_name)
end)
end)
describe('is_valid', function()
it('works', function()
nvim('command', 'new')
local b = nvim('get_current_buffer')
ok(buffer('is_valid', b))
nvim('command', 'bw!')
ok(not buffer('is_valid', b))
end)
end)
describe('get_mark', function()
it('works', function()
curbuf('insert', -1, {'a', 'bit of', 'text'})
curwin('set_cursor', {3, 4})
nvim('command', 'mark V')
eq({3, 0}, curbuf('get_mark', 'V'))
end)
end)
end)
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