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refactor(tests): remove redir_exec #15718

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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- `redir_exec` is obsolete, but it keeps getting used in new tests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`.
This commit is contained in:
Justin M. Keyes
2021-09-19 02:29:37 -07:00
committed by GitHub
parent 924e8e4f2d
commit 2afbce7651
25 changed files with 277 additions and 307 deletions
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38
test/functional/vimscript/ctx_functions_spec.lua
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@@ -9,7 +9,7 @@ local feed = helpers.feed
local map = helpers.tbl_map
local nvim = helpers.nvim
local parse_context = helpers.parse_context
local redir_exec = helpers.redir_exec
local exec_capture = helpers.exec_capture
local source = helpers.source
local trim = helpers.trim
local write_file = helpers.write_file
@@ -163,33 +163,29 @@ describe('context functions', function()
endfunction
]])
eq('\nHello, World!', redir_exec([[call Greet('World')]]))
eq('\nHello, World!'..
eq('Hello, World!', exec_capture([[call Greet('World')]]))
eq('Hello, World!'..
'\nHello, One!'..
'\nHello, Two!'..
'\nHello, Three!',
redir_exec([[call GreetAll('World', 'One', 'Two', 'Three')]]))
exec_capture([[call GreetAll('World', 'One', 'Two', 'Three')]]))
call('SaveSFuncs')
call('DeleteSFuncs')
eq('\nError detected while processing function Greet:'..
'\nline 1:'..
'\nE117: Unknown function: s:greet',
redir_exec([[call Greet('World')]]))
eq('\nError detected while processing function GreetAll:'..
'\nline 1:'..
'\nE117: Unknown function: s:greet_all',
redir_exec([[call GreetAll('World', 'One', 'Two', 'Three')]]))
eq('Vim(call):E117: Unknown function: s:greet',
pcall_err(command, [[call Greet('World')]]))
eq('Vim(call):E117: Unknown function: s:greet_all',
pcall_err(command, [[call GreetAll('World', 'One', 'Two', 'Three')]]))
call('RestoreFuncs')
eq('\nHello, World!', redir_exec([[call Greet('World')]]))
eq('\nHello, World!'..
eq('Hello, World!', exec_capture([[call Greet('World')]]))
eq('Hello, World!'..
'\nHello, One!'..
'\nHello, Two!'..
'\nHello, Three!',
redir_exec([[call GreetAll('World', 'One', 'Two', 'Three')]]))
exec_capture([[call GreetAll('World', 'One', 'Two', 'Three')]]))
end)
it('saves and restores functions properly', function()
@@ -206,12 +202,12 @@ describe('context functions', function()
endfunction
]])
eq('\nHello, World!', redir_exec([[call Greet('World')]]))
eq('\nHello, World!'..
eq('Hello, World!', exec_capture([[call Greet('World')]]))
eq('Hello, World!'..
'\nHello, One!'..
'\nHello, Two!'..
'\nHello, Three!',
redir_exec([[call GreetAll('World', 'One', 'Two', 'Three')]]))
exec_capture([[call GreetAll('World', 'One', 'Two', 'Three')]]))
call('ctxpush', {'funcs'})
command('delfunction Greet')
@@ -223,12 +219,12 @@ describe('context functions', function()
call('ctxpop')
eq('\nHello, World!', redir_exec([[call Greet('World')]]))
eq('\nHello, World!'..
eq('Hello, World!', exec_capture([[call Greet('World')]]))
eq('Hello, World!'..
'\nHello, One!'..
'\nHello, Two!'..
'\nHello, Three!',
redir_exec([[call GreetAll('World', 'One', 'Two', 'Three')]]))
exec_capture([[call GreetAll('World', 'One', 'Two', 'Three')]]))
end)
it('errors out when context stack is empty', function()