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test/unit/path_spec: expect correct buffer size (#7514)

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Fixed-size buffers and lfs.currentdir().. does not compute. The tests would fail
if the current working directory was longer than expected.
This commit is contained in:
Marco Hinz 2017-11-13 02:28:07 +01:00 committed by Justin M. Keyes
parent a43a573ad5
commit d5b7f28b44
1 changed files with 77 additions and 55 deletions
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132
test/unit/path_spec.lua
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@ -366,134 +366,156 @@ describe('path.c', function()
end)
describe('vim_FullName', function()
local function vim_FullName(filename, buf, len, force)
filename = to_cstr(filename)
return cimp.vim_FullName(filename, buf, len, force)
local function vim_FullName(filename, buflen, do_expand)
local buf = cstr(buflen, '')
local result = cimp.vim_FullName(to_cstr(filename), buf, buflen, do_expand)
return buf, result
end
before_each(function()
-- Create empty string buffer which will contain the resulting path.
length = (string.len(lfs.currentdir())) + 33
buffer = cstr(length, '')
end)
local function get_buf_len(s, t)
return math.max(string.len(s), string.len(t)) + 1
end
itp('fails if given filename is NULL', function()
local force_expansion = 1
local result = cimp.vim_FullName(NULL, buffer, length, force_expansion)
local do_expand = 1
local buflen = 10
local buf = cstr(buflen, '')
local result = cimp.vim_FullName(NULL, buf, buflen, do_expand)
eq(FAIL, result)
end)
itp('fails safely if given length is wrong #5737', function()
local force_expansion = 1
local filename = 'foo/bar/bazzzzzzz/buz/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/a'
local too_short_len = 8
local buf = cstr(too_short_len, '')
local result = cimp.vim_FullName(filename, buf, too_short_len, force_expansion)
local do_expand = 1
local result = cimp.vim_FullName(filename, buf, too_short_len, do_expand)
local expected = string.sub(filename, 1, (too_short_len - 1))
eq(expected, (ffi.string(buf)))
eq(expected, ffi.string(buf))
eq(FAIL, result)
end)
itp('uses the filename if the filename is a URL', function()
local force_expansion = 1
local filename = 'http://www.neovim.org'
local result = vim_FullName(filename, buffer, length, force_expansion)
eq(filename, (ffi.string(buffer)))
local buflen = string.len(filename) + 1
local do_expand = 1
local buf, result = vim_FullName(filename, buflen, do_expand)
eq(filename, ffi.string(buf))
eq(OK, result)
end)
itp('fails and uses filename if given filename contains non-existing directory', function()
local force_expansion = 1
local filename = 'non_existing_dir/test.file'
local result = vim_FullName(filename, buffer, length, force_expansion)
eq(filename, (ffi.string(buffer)))
local buflen = string.len(filename) + 1
local do_expand = 1
local buf, result = vim_FullName(filename, buflen, do_expand)
eq(filename, ffi.string(buf))
eq(FAIL, result)
end)
itp('concatenates filename if it does not contain a slash', function()
local force_expansion = 1
local result = vim_FullName('test.file', buffer, length, force_expansion)
local expected = lfs.currentdir() .. '/test.file'
eq(expected, (ffi.string(buffer)))
local filename = 'test.file'
local buflen = get_buf_len(expected, filename)
local do_expand = 1
local buf, result = vim_FullName(filename, buflen, do_expand)
eq(expected, ffi.string(buf))
eq(OK, result)
end)
itp('concatenates directory name if it does not contain a slash', function()
local force_expansion = 1
local result = vim_FullName('..', buffer, length, force_expansion)
local expected = lfs.currentdir() .. '/..'
eq(expected, (ffi.string(buffer)))
local filename = '..'
local buflen = get_buf_len(expected, filename)
local do_expand = 1
local buf, result = vim_FullName(filename, buflen, do_expand)
eq(expected, ffi.string(buf))
eq(OK, result)
end)
-- Is it possible for every developer to enter '..' directory while running
-- the unit tests? Which other directory would be better?
itp('enters given directory (instead of just concatenating the strings) if possible and if path contains a slash', function()
local force_expansion = 1
local result = vim_FullName('../test.file', buffer, length, force_expansion)
local old_dir = lfs.currentdir()
lfs.chdir('..')
local expected = lfs.currentdir() .. '/test.file'
lfs.chdir(old_dir)
eq(expected, (ffi.string(buffer)))
local filename = '../test.file'
local buflen = get_buf_len(expected, filename)
local do_expand = 1
local buf, result = vim_FullName(filename, buflen, do_expand)
eq(expected, ffi.string(buf))
eq(OK, result)
end)
itp('just copies the path if it is already absolute and force=0', function()
local force_expansion = 0
local absolute_path = '/absolute/path'
local result = vim_FullName(absolute_path, buffer, length, force_expansion)
eq(absolute_path, (ffi.string(buffer)))
local buflen = string.len(absolute_path) + 1
local do_expand = 0
local buf, result = vim_FullName(absolute_path, buflen, do_expand)
eq(absolute_path, ffi.string(buf))
eq(OK, result)
end)
itp('fails and uses filename when the path is relative to HOME', function()
eq(false, cimp.os_isdir('~')) -- sanity check: no literal "~" directory.
local force_expansion = 1
local absolute_path = '~/home.file'
local result = vim_FullName(absolute_path, buffer, length, force_expansion)
eq(absolute_path, (ffi.string(buffer)))
local buflen = string.len(absolute_path) + 1
local do_expand = 1
local buf, result = vim_FullName(absolute_path, buflen, do_expand)
eq(absolute_path, ffi.string(buf))
eq(FAIL, result)
end)
itp('works with some "normal" relative path with directories', function()
local force_expansion = 1
local result = vim_FullName('unit-test-directory/test.file', buffer, length, force_expansion)
local expected = lfs.currentdir() .. '/unit-test-directory/test.file'
local filename = 'unit-test-directory/test.file'
local buflen = get_buf_len(expected, filename)
local do_expand = 1
local buf, result = vim_FullName(filename, buflen, do_expand)
eq(expected, ffi.string(buf))
eq(OK, result)
eq(lfs.currentdir() .. '/unit-test-directory/test.file', (ffi.string(buffer)))
end)
itp('does not modify the given filename', function()
local force_expansion = 1
local expected = lfs.currentdir() .. '/unit-test-directory/test.file'
local filename = to_cstr('unit-test-directory/test.file')
-- Don't use the wrapper here but pass a cstring directly to the c
-- function.
local result = cimp.vim_FullName(filename, buffer, length, force_expansion)
eq(lfs.currentdir() .. '/unit-test-directory/test.file', (ffi.string(buffer)))
eq('unit-test-directory/test.file', (ffi.string(filename)))
local buflen = string.len(expected) + 1
local buf = cstr(buflen, '')
local do_expand = 1
-- Don't use the wrapper but pass a cstring directly to the c function.
eq('unit-test-directory/test.file', ffi.string(filename))
local result = cimp.vim_FullName(filename, buf, buflen, do_expand)
eq(expected, ffi.string(buf))
eq(OK, result)
end)
itp('works with directories that have one path component', function()
local force_expansion = 1
local filename = to_cstr('/tmp')
local result = cimp.vim_FullName(filename, buffer, length, force_expansion)
eq('/tmp', ffi.string(buffer))
local filename = '/tmp'
local expected = filename
local buflen = get_buf_len(expected, filename)
local do_expand = 1
local buf, result = vim_FullName(filename, buflen, do_expand)
eq('/tmp', ffi.string(buf))
eq(OK, result)
end)
itp('expands "./" to the current directory #7117', function()
local force_expansion = 1
local result = vim_FullName('./unit-test-directory/test.file', buffer, length, force_expansion)
local expected = lfs.currentdir() .. '/unit-test-directory/test.file'
local filename = './unit-test-directory/test.file'
local buflen = get_buf_len(expected, filename)
local do_expand = 1
local buf, result = vim_FullName(filename, buflen, do_expand)
eq(OK, result)
eq(lfs.currentdir() .. '/unit-test-directory/test.file', (ffi.string(buffer)))
eq(expected, ffi.string(buf))
end)
itp('collapses "foo/../foo" to "foo" #7117', function()
local force_expansion = 1
local result = vim_FullName('unit-test-directory/../unit-test-directory/test.file', buffer, length, force_expansion)
local expected = lfs.currentdir() .. '/unit-test-directory/test.file'
local filename = 'unit-test-directory/../unit-test-directory/test.file'
local buflen = get_buf_len(expected, filename)
local do_expand = 1
local buf, result = vim_FullName(filename, buflen, do_expand)
eq(OK, result)
eq(lfs.currentdir() .. '/unit-test-directory/test.file', (ffi.string(buffer)))
eq(expected, ffi.string(buf))
end)
end)