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Before:
let g:ale_some_variable = 'abc'
After:
unlet! g:ale_some_variable
unlet! b:undefined_variable_name
let g:ale_fix_buffer_data = {}
Execute(ale#Var should return global variables):
AssertEqual 'abc', ale#Var(bufnr(''), 'some_variable')
Execute(ale#Var should return buffer overrides):
let b:ale_some_variable = 'def'
AssertEqual 'def', ale#Var(bufnr(''), 'some_variable')
Execute(ale#Var should return buffer overrides for buffer numbers as strings):
let b:ale_some_variable = 'def'
AssertEqual 'def', ale#Var(string(bufnr('')), 'some_variable')
Execute(ale#Var should throw exceptions for undefined variables):
let b:undefined_variable_name = 'def'
AssertThrows call ale#Var(bufnr(''), 'undefined_variable_name')
Execute(ale#Var return variables from deleted buffers, saved for fixing things):
let g:ale_fix_buffer_data[1347347] = {'vars': {'ale_some_variable': 'def'}}
AssertEqual 'def', ale#Var(1347347, 'some_variable')
Execute(ale#Var should return the global variable for unknown variables):
let g:ale_fix_buffer_data = {}
AssertEqual 'abc', ale#Var(1347347, 'some_variable')
Execute(ale#Var should return the global variables when the ALE fix variable is undefined):
unlet! g:ale_fix_buffer_data
AssertEqual 'abc', ale#Var(1347347, 'some_variable')
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