1" Tests for system() and systemlist() 2 3function! Test_System() 4 if !executable('echo') || !executable('cat') || !executable('wc') 5 return 6 endif 7 let out = system('echo 123') 8 " On Windows we may get a trailing space. 9 if out != "123 \n" 10 call assert_equal("123\n", out) 11 endif 12 13 let out = systemlist('echo 123') 14 " On Windows we may get a trailing space and CR. 15 if out != ["123 \r"] 16 call assert_equal(['123'], out) 17 endif 18 19 call assert_equal('123', system('cat', '123')) 20 call assert_equal(['123'], systemlist('cat', '123')) 21 call assert_equal(["as\<NL>df"], systemlist('cat', ["as\<NL>df"])) 22 23 new Xdummy 24 call setline(1, ['asdf', "pw\<NL>er", 'xxxx']) 25 let out = system('wc -l', bufnr('%')) 26 " On OS/X we get leading spaces 27 let out = substitute(out, '^ *', '', '') 28 call assert_equal("3\n", out) 29 30 let out = systemlist('wc -l', bufnr('%')) 31 " On Windows we may get a trailing CR. 32 if out != ["3\r"] 33 " On OS/X we get leading spaces 34 if type(out) == v:t_list 35 let out[0] = substitute(out[0], '^ *', '', '') 36 endif 37 call assert_equal(['3'], out) 38 endif 39 40 let out = systemlist('cat', bufnr('%')) 41 " On Windows we may get a trailing CR. 42 if out != ["asdf\r", "pw\<NL>er\r", "xxxx\r"] 43 call assert_equal(['asdf', "pw\<NL>er", 'xxxx'], out) 44 endif 45 bwipe! 46 47 call assert_fails('call system("wc -l", 99999)', 'E86:') 48endfunction 49 50function! Test_system_exmode() 51 if has('unix') " echo $? only works on Unix 52 let cmd = ' -es -u NONE -c "source Xscript" +q; echo "result=$?"' 53 " Need to put this in a script, "catch" isn't found after an unknown 54 " function. 55 call writefile(['try', 'call doesnotexist()', 'catch', 'endtry'], 'Xscript') 56 let a = system(v:progpath . cmd) 57 call assert_match('result=0', a) 58 call assert_equal(0, v:shell_error) 59 endif 60 61 " Error before try does set error flag. 62 call writefile(['call nosuchfunction()', 'try', 'call doesnotexist()', 'catch', 'endtry'], 'Xscript') 63 if has('unix') " echo $? only works on Unix 64 let a = system(v:progpath . cmd) 65 call assert_notequal('0', a[0]) 66 endif 67 68 let cmd = ' -es -u NONE -c "source Xscript" +q' 69 let a = system(v:progpath . cmd) 70 call assert_notequal(0, v:shell_error) 71 call delete('Xscript') 72 73 if has('unix') " echo $? only works on Unix 74 let cmd = ' -es -u NONE -c "call doesnotexist()" +q; echo $?' 75 let a = system(v:progpath. cmd) 76 call assert_notequal(0, a[0]) 77 endif 78 79 let cmd = ' -es -u NONE -c "call doesnotexist()" +q' 80 let a = system(v:progpath. cmd) 81 call assert_notequal(0, v:shell_error) 82 83 if has('unix') " echo $? only works on Unix 84 let cmd = ' -es -u NONE -c "call doesnotexist()|let a=1" +q; echo $?' 85 let a = system(v:progpath. cmd) 86 call assert_notequal(0, a[0]) 87 endif 88 89 let cmd = ' -es -u NONE -c "call doesnotexist()|let a=1" +q' 90 let a = system(v:progpath. cmd) 91 call assert_notequal(0, v:shell_error) 92endfunc 93