from test.vim_test_case import VimTestCase as _VimTest
from test.constant import *

# Test for bug 1251994  {{{#


class Bug1251994(_VimTest):
    snippets = ('test', '${2:#2} ${1:#1};$0')
    keys = '  test' + EX + 'hello' + JF + 'world' + JF + 'blub'
    wanted = '  world hello;blub'
# End: 1251994  #}}}

# Test for https://github.com/SirVer/ultisnips/issues/157 (virtualedit) {{{#


class VirtualEdit(_VimTest):
    snippets = ('pd', 'padding: ${1:0}px')
    keys = '\t\t\tpd' + EX + '2'
    wanted = '\t\t\tpadding: 2px'

    def _extra_options_pre_init(self, vim_config):
        vim_config.append('set virtualedit=all')
        vim_config.append('set noexpandtab')
# End: 1251994  #}}}

# Test for Github Pull Request #134 - Retain unnamed register {{{#


class RetainsTheUnnamedRegister(_VimTest):
    snippets = ('test', '${1:hello} ${2:world} ${0}')
    keys = 'yank' + ESC + 'by4lea test' + EX + 'HELLO' + JF + JF + ESC + 'p'
    wanted = 'yank HELLO world yank'


class RetainsTheUnnamedRegister_ButOnlyOnce(_VimTest):
    snippets = ('test', '${1:hello} ${2:world} ${0}')
    keys = 'blahfasel' + ESC + 'v' + 4 * ARR_L + \
        'xotest' + EX + ESC + ARR_U + 'v0xo' + ESC + 'p'
    wanted = '\nblah\nhello world '
# End: Github Pull Request # 134 #}}}

# Test to ensure that shiftwidth follows tabstop when it's set to zero post
# version 7.3.693. Prior to that version a shiftwidth of zero effectively
# removes tabs.


class ShiftWidthZero(_VimTest):

    def _extra_options_pre_init(self, vim_config):
        vim_config += [
            "if exists('*shiftwidth')",
            '  set shiftwidth=0',
            'endif',
        ]
    snippets = ('test', '\t${1}${0}')
    keys = 'test' + EX + 'foo'
    wanted = '\tfoo'

# Test for https://github.com/SirVer/ultisnips/issues/171 {{{#
# Make sure that we don't crash when trying to save and restore the clipboard
# when it contains data that we can't coerce into Unicode.


class NonUnicodeDataInUnnamedRegister(_VimTest):
    snippets = ('test', 'hello')
    keys = 'test' + EX + ESC + \
        '\n'.join([':redir @a',
                   ':messages',
                   ':redir END',
                   (":if match(@a, 'Error') != -1 | " +
                    "call setline('.', 'error detected') | " +
                    '3put a | ' +
                    'endif'),
                   ''])
    wanted = 'hello'

    def _before_test(self):
        # The string below was the one a user had on their clipboard when
        # encountering the UnicodeDecodeError and could not be coerced into
        # unicode.
        self.vim.send(
            ':let @" = "\\x80kdI{\\x80@7 1},' +
            '\\x80kh\\x80kh\\x80kd\\x80kdq\\x80kb\\x1b"\n')
# End: #171  #}}}