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Diffstat (limited to 'test/functional/eval/execute_spec.lua')
| -rw-r--r-- | test/functional/eval/execute_spec.lua | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/test/functional/eval/execute_spec.lua b/test/functional/eval/execute_spec.lua new file mode 100644 index 0000000000..91966ed3dd --- /dev/null +++ b/test/functional/eval/execute_spec.lua @@ -0,0 +1,197 @@ +local helpers = require('test.functional.helpers')(after_each) +local eq = helpers.eq +local eval = helpers.eval +local clear = helpers.clear +local source = helpers.source +local redir_exec = helpers.redir_exec +local exc_exec = helpers.exc_exec +local funcs = helpers.funcs +local Screen = require('test.functional.ui.screen') +local command = helpers.command +local feed = helpers.feed + +describe('execute()', function() + before_each(clear) + + it('captures the same result as :redir', function() + eq(redir_exec('messages'), funcs.execute('messages')) + end) + + it('captures the concatenated outputs of a List of commands', function() + eq("foobar", funcs.execute({'echon "foo"', 'echon "bar"'})) + eq("\nfoo\nbar", funcs.execute({'echo "foo"', 'echo "bar"'})) + end) + + it('supports nested execute("execute(...)")', function() + eq('42', funcs.execute([[echon execute("echon execute('echon 42')")]])) + end) + + it('supports nested :redir to a variable', function() + source([[ + function! g:Foo() + let a = '' + redir => a + silent echon "foo" + redir END + return a + endfunction + function! g:Bar() + let a = '' + redir => a + silent echon "bar1" + call g:Foo() + silent echon "bar2" + redir END + silent echon "bar3" + return a + endfunction + ]]) + eq('top1bar1foobar2bar3', funcs.execute('echon "top1"|call g:Bar()')) + end) + + it('supports nested :redir to a register', function() + source([[ + let @a = '' + function! g:Foo() + redir @a>> + silent echon "foo" + redir END + return @a + endfunction + function! g:Bar() + redir @a>> + silent echon "bar1" + call g:Foo() + silent echon "bar2" + redir END + silent echon "bar3" + return @a + endfunction + ]]) + eq('top1bar1foobar2bar3', funcs.execute('echon "top1"|call g:Bar()')) + -- :redir itself doesn't nest, so the redirection ends in g:Foo + eq('bar1foo', eval('@a')) + end) + + it('captures a transformed string', function() + eq('^A', funcs.execute('echon "\\<C-a>"')) + end) + + it('returns empty string if the argument list is empty', function() + eq('', funcs.execute({})) + eq(0, exc_exec('let g:ret = execute(v:_null_list)')) + eq('', eval('g:ret')) + end) + + it('captures errors', function() + local ret + ret = exc_exec('call execute(0.0)') + eq('Vim(call):E806: using Float as a String', ret) + ret = exc_exec('call execute(v:_null_dict)') + eq('Vim(call):E731: using Dictionary as a String', ret) + ret = exc_exec('call execute(function("tr"))') + eq('Vim(call):E729: using Funcref as a String', ret) + ret = exc_exec('call execute(["echo 42", 0.0, "echo 44"])') + eq('Vim:E806: using Float as a String', ret) + ret = exc_exec('call execute(["echo 42", v:_null_dict, "echo 44"])') + eq('Vim:E731: using Dictionary as a String', ret) + ret = exc_exec('call execute(["echo 42", function("tr"), "echo 44"])') + eq('Vim:E729: using Funcref as a String', ret) + end) + + it('captures output with highlights', function() + eq('\nErrorMsg xxx ctermfg=15 ctermbg=1 guifg=White guibg=Red', + eval('execute("hi ErrorMsg")')) + end) + + it('does not corrupt the command display #5422', function() + local screen = Screen.new(70, 5) + screen:attach() + feed(':echo execute("hi ErrorMsg")<CR>') + screen:expect([[ + ~ | + ~ | + :echo execute("hi ErrorMsg") | + ErrorMsg xxx ctermfg=15 ctermbg=1 guifg=White guibg=Red | + Press ENTER or type command to continue^ | + ]]) + feed('<CR>') + end) + + -- This matches Vim behavior. + it('does not capture shell-command output', function() + eq('\n:!echo "foo"\13\n', funcs.execute('!echo "foo"')) + end) + + describe('{silent} argument', function() + it('captures & displays output for ""', function() + local screen = Screen.new(40, 5) + screen:attach() + command('let g:mes = execute("echon 42", "")') + screen:expect([[ + ^ | + ~ | + ~ | + ~ | + 42 | + ]]) + eq('42', eval('g:mes')) + end) + + it('captures but does not display output for "silent"', function() + local screen = Screen.new(40, 5) + screen:attach() + command('let g:mes = execute("echon 42")') + screen:expect([[ + ^ | + ~ | + ~ | + ~ | + | + ]]) + eq('42', eval('g:mes')) + + command('let g:mes = execute("echon 13", "silent")') + screen:expect([[ + ^ | + ~ | + ~ | + ~ | + | + ]]) + eq('13', eval('g:mes')) + end) + + it('suppresses errors for "silent!"', function() + eq(0, exc_exec('let g:mes = execute(0.0, "silent!")')) + eq('', eval('g:mes')) + + eq(0, exc_exec('let g:mes = execute("echon add(1, 1)", "silent!")')) + eq('1', eval('g:mes')) + + eq(0, exc_exec('let g:mes = execute(["echon 42", "echon add(1, 1)"], "silent!")')) + eq('421', eval('g:mes')) + end) + + it('propagates errors for "" and "silent"', function() + local ret + ret = exc_exec('call execute(0.0, "")') + eq('Vim(call):E806: using Float as a String', ret) + + ret = exc_exec('call execute(v:_null_dict, "silent")') + eq('Vim(call):E731: using Dictionary as a String', ret) + + ret = exc_exec('call execute("echo add(1, 1)", "")') + eq('Vim(echo):E714: List required', ret) + + ret = exc_exec('call execute(["echon 42", "echo add(1, 1)"], "")') + eq('Vim(echo):E714: List required', ret) + + ret = exc_exec('call execute("echo add(1, 1)", "silent")') + eq('Vim(echo):E714: List required', ret) + + ret = exc_exec('call execute(["echon 42", "echo add(1, 1)"], "silent")') + eq('Vim(echo):E714: List required', ret) + end) + end) +end) |