mirror of
https://github.com/neovim/neovim.git
synced 2024-12-26 14:11:15 -07:00
304 lines
9.2 KiB
Lua
304 lines
9.2 KiB
Lua
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local assert = require("luassert")
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local helpers = require("test.unit.helpers")
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local to_cstr = helpers.to_cstr
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local eq = helpers.eq
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local neq = helpers.neq
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local NULL = helpers.NULL
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local globals = helpers.cimport("./src/nvim/globals.h")
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local buffer = helpers.cimport("./src/nvim/buffer.h")
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describe('buffer functions', function()
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local buflist_new = function(file, flags)
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local c_file = to_cstr(file)
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return buffer.buflist_new(c_file, c_file, 1, flags)
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end
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local close_buffer = function(win, buf, action, abort_if_last)
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return buffer.close_buffer(win, buf, action, abort_if_last)
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end
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local path1 = 'test_file_path'
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local path2 = 'file_path_test'
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local path3 = 'path_test_file'
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before_each(function()
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-- create the files
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io.open(path1, 'w').close()
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io.open(path2, 'w').close()
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io.open(path3, 'w').close()
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end)
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after_each(function()
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os.remove(path1)
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os.remove(path2)
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os.remove(path3)
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end)
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describe('buf_valid', function()
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it('should view NULL as an invalid buffer', function()
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eq(false, buffer.buf_valid(NULL))
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end)
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it('should view an open buffer as valid', function()
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local buf = buflist_new(path1, buffer.BLN_LISTED)
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eq(true, buffer.buf_valid(buf))
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end)
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it('should view a closed and hidden buffer as valid', function()
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local buf = buflist_new(path1, buffer.BLN_LISTED)
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close_buffer(NULL, buf, 0, 0)
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eq(true, buffer.buf_valid(buf))
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end)
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it('should view a closed and unloaded buffer as valid', function()
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local buf = buflist_new(path1, buffer.BLN_LISTED)
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close_buffer(NULL, buf, buffer.DOBUF_UNLOAD, 0)
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eq(true, buffer.buf_valid(buf))
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end)
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it('should view a closed and wiped buffer as invalid', function()
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local buf = buflist_new(path1, buffer.BLN_LISTED)
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close_buffer(NULL, buf, buffer.DOBUF_WIPE, 0)
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eq(false, buffer.buf_valid(buf))
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end)
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end)
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describe('buflist_findpat', function()
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local ALLOW_UNLISTED = 1
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local ONLY_LISTED = 0
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local buflist_findpat = function(pat, allow_unlisted)
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return buffer.buflist_findpat(to_cstr(pat), NULL, allow_unlisted, 0, 0)
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end
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it('should find exact matches', function()
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local buf = buflist_new(path1, buffer.BLN_LISTED)
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eq(buf.b_fnum, buflist_findpat(path1, ONLY_LISTED))
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close_buffer(NULL, buf, buffer.DOBUF_WIPE, 0)
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end)
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it('should prefer to match the start of a file path', function()
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local buf1 = buflist_new(path1, buffer.BLN_LISTED)
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local buf2 = buflist_new(path2, buffer.BLN_LISTED)
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local buf3 = buflist_new(path3, buffer.BLN_LISTED)
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eq(buf1.b_fnum, buflist_findpat("test", ONLY_LISTED))
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eq(buf2.b_fnum, buflist_findpat("file", ONLY_LISTED))
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eq(buf3.b_fnum, buflist_findpat("path", ONLY_LISTED))
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close_buffer(NULL, buf1, buffer.DOBUF_WIPE, 0)
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close_buffer(NULL, buf2, buffer.DOBUF_WIPE, 0)
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close_buffer(NULL, buf3, buffer.DOBUF_WIPE, 0)
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end)
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it('should prefer to match the end of a file over the middle', function()
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--{ Given: Two buffers, where 'test' appears in both
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-- And: 'test' appears at the end of buf3 but in the middle of buf2
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local buf2 = buflist_new(path2, buffer.BLN_LISTED)
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local buf3 = buflist_new(path3, buffer.BLN_LISTED)
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-- Then: buf2 is the buffer that is found
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eq(buf2.b_fnum, buflist_findpat("test", ONLY_LISTED))
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--}
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--{ When: We close buf2
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close_buffer(NULL, buf2, buffer.DOBUF_WIPE, 0)
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-- And: Open buf1, which has 'file' in the middle of its name
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local buf1 = buflist_new(path1, buffer.BLN_LISTED)
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-- Then: buf3 is found since 'file' appears at the end of the name
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eq(buf3.b_fnum, buflist_findpat("file", ONLY_LISTED))
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--}
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close_buffer(NULL, buf1, buffer.DOBUF_WIPE, 0)
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close_buffer(NULL, buf3, buffer.DOBUF_WIPE, 0)
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end)
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it('should match a unique fragment of a file path', function()
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local buf1 = buflist_new(path1, buffer.BLN_LISTED)
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local buf2 = buflist_new(path2, buffer.BLN_LISTED)
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local buf3 = buflist_new(path3, buffer.BLN_LISTED)
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eq(buf3.b_fnum, buflist_findpat("_test_", ONLY_LISTED))
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close_buffer(NULL, buf1, buffer.DOBUF_WIPE, 0)
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close_buffer(NULL, buf2, buffer.DOBUF_WIPE, 0)
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close_buffer(NULL, buf3, buffer.DOBUF_WIPE, 0)
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end)
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it('should include / ignore unlisted buffers based on the flag.', function()
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--{ Given: A buffer
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local buf3 = buflist_new(path3, buffer.BLN_LISTED)
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-- Then: We should find the buffer when it is given a unique pattern
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eq(buf3.b_fnum, buflist_findpat("_test_", ONLY_LISTED))
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--}
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--{ When: We unlist the buffer
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close_buffer(NULL, buf3, buffer.DOBUF_DEL, 0)
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-- Then: It should not find the buffer when searching only listed buffers
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eq(-1, buflist_findpat("_test_", ONLY_LISTED))
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-- And: It should find the buffer when including unlisted buffers
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eq(buf3.b_fnum, buflist_findpat("_test_", ALLOW_UNLISTED))
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--}
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--{ When: We wipe the buffer
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close_buffer(NULL, buf3, buffer.DOBUF_WIPE, 0)
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-- Then: It should not find the buffer at all
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eq(-1, buflist_findpat("_test_", ONLY_LISTED))
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eq(-1, buflist_findpat("_test_", ALLOW_UNLISTED))
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--}
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end)
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it('should prefer listed buffers to unlisted buffers.', function()
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--{ Given: Two buffers that match a pattern
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local buf1 = buflist_new(path1, buffer.BLN_LISTED)
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local buf2 = buflist_new(path2, buffer.BLN_LISTED)
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-- Then: The first buffer is preferred when both are listed
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eq(buf1.b_fnum, buflist_findpat("test", ONLY_LISTED))
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--}
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--{ When: The first buffer is unlisted
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close_buffer(NULL, buf1, buffer.DOBUF_DEL, 0)
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-- Then: The second buffer is preferred because
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-- unlisted buffers are not allowed
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eq(buf2.b_fnum, buflist_findpat("test", ONLY_LISTED))
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--}
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--{ When: We allow unlisted buffers
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-- Then: The second buffer is still preferred
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-- because listed buffers are preferred to unlisted
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eq(buf2.b_fnum, buflist_findpat("test", ALLOW_UNLISTED))
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--}
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--{ When: We unlist the second buffer
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close_buffer(NULL, buf2, buffer.DOBUF_DEL, 0)
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-- Then: The first buffer is preferred again
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-- because buf1 matches better which takes precedence
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-- when both buffers have the same listing status.
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eq(buf1.b_fnum, buflist_findpat("test", ALLOW_UNLISTED))
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-- And: Neither buffer is returned when ignoring unlisted
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eq(-1, buflist_findpat("test", ONLY_LISTED))
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--}
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close_buffer(NULL, buf1, buffer.DOBUF_WIPE, 0)
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close_buffer(NULL, buf2, buffer.DOBUF_WIPE, 0)
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end)
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end)
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describe('build_stl_str_hl', function()
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local output_buffer = to_cstr(string.rep(" ", 100))
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local build_stl_str_hl = function(pat)
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return buffer.build_stl_str_hl(globals.curwin,
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output_buffer,
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100,
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to_cstr(pat),
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false,
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32,
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80,
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NULL,
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NULL)
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end
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it('should copy plain text', function()
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local width = build_stl_str_hl("this is a test")
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eq(14, width)
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eq("this is a test", helpers.ffi.string(output_buffer, width))
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end)
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it('should print no file name', function()
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local width = build_stl_str_hl("%f")
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eq(9, width)
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eq("[No Name]", helpers.ffi.string(output_buffer, width))
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end)
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it('should print the relative file name', function()
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buffer.setfname(globals.curbuf, to_cstr("Makefile"), NULL, 1)
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local width = build_stl_str_hl("%f")
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eq(8, width)
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eq("Makefile", helpers.ffi.string(output_buffer, width))
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end)
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it('should print the full file name', function()
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buffer.setfname(globals.curbuf, to_cstr("Makefile"), NULL, 1)
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local width = build_stl_str_hl("%F")
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assert.is_true(8 < width)
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neq(NULL, string.find(helpers.ffi.string(output_buffer, width), "Makefile"))
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end)
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it('should print the tail file name', function()
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buffer.setfname(globals.curbuf, to_cstr("src/nvim/buffer.c"), NULL, 1)
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local width = build_stl_str_hl("%t")
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eq(8, width)
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eq("buffer.c", helpers.ffi.string(output_buffer, width))
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end)
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it('should print the buffer number', function()
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buffer.setfname(globals.curbuf, to_cstr("src/nvim/buffer.c"), NULL, 1)
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local width = build_stl_str_hl("%n")
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eq(1, width)
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eq("1", helpers.ffi.string(output_buffer, width))
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end)
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it('should print the current line number in the buffer', function()
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buffer.setfname(globals.curbuf, to_cstr("test/unit/buffer_spec.lua"), NULL, 1)
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local width = build_stl_str_hl("%l")
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eq(1, width)
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eq("0", helpers.ffi.string(output_buffer, width))
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end)
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it('should print the number of lines in the buffer', function()
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buffer.setfname(globals.curbuf, to_cstr("test/unit/buffer_spec.lua"), NULL, 1)
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local width = build_stl_str_hl("%L")
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eq(1, width)
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eq("1", helpers.ffi.string(output_buffer, width))
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end)
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end)
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end)
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