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https://github.com/neovim/neovim.git
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2afbce7651
Problem - `redir_exec` is obsolete, but it keeps getting used in new tests because people copy existing tests. - Disadvantages of `redir_exec`: - Captures extra junk before the actual error/message that we _want_ to test. - Does not fail on error, unlike e.g. `command()`. Solution - Use new functions like `nvim_exec` and `pcall_err`.
50 lines
2.0 KiB
Lua
50 lines
2.0 KiB
Lua
local helpers = require('test.functional.helpers')(after_each)
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local eq = helpers.eq
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local eval = helpers.eval
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local command = helpers.command
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local clear = helpers.clear
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local funcs = helpers.funcs
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local pcall_err = helpers.pcall_err
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before_each(clear)
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for _, func in ipairs({'min', 'max'}) do
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describe(func .. '()', function()
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it('gives a single error message when multiple values failed conversions',
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function()
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eq('Vim(echo):E745: Using a List as a Number',
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pcall_err(command, 'echo ' .. func .. '([-5, [], [], [], 5])'))
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eq('Vim(echo):E745: Using a List as a Number',
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pcall_err(command, 'echo ' .. func .. '({1:-5, 2:[], 3:[], 4:[], 5:5})'))
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for errmsg, errinput in pairs({
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['Vim(echo):E745: Using a List as a Number'] = '[]',
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['Vim(echo):E805: Using a Float as a Number'] = '0.0',
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['Vim(echo):E703: Using a Funcref as a Number'] = 'function("tr")',
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['Vim(echo):E728: Using a Dictionary as a Number'] = '{}',
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}) do
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eq(errmsg, pcall_err(command, 'echo ' .. func .. '([' .. errinput .. '])'))
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eq(errmsg, pcall_err(command, 'echo ' .. func .. '({1:' .. errinput .. '})'))
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end
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end)
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it('works with arrays/dictionaries with zero items', function()
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eq(0, funcs[func]({}))
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eq(0, eval(func .. '({})'))
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end)
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it('works with arrays/dictionaries with one item', function()
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eq(5, funcs[func]({5}))
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eq(5, funcs[func]({test=5}))
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end)
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it('works with NULL arrays/dictionaries', function()
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eq(0, eval(func .. '(v:_null_list)'))
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eq(0, eval(func .. '(v:_null_dict)'))
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end)
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it('errors out for invalid types', function()
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for _, errinput in ipairs({'1', 'v:true', 'v:false', 'v:null',
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'function("tr")', '""'}) do
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eq(('Vim(echo):E712: Argument of %s() must be a List or Dictionary'):format(func),
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pcall_err(command, 'echo ' .. func .. '(' .. errinput .. ')'))
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end
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end)
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end)
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end
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