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Before:
let g:linter = {}
After:
unlet g:linter
Execute (PreProcess should throw when the linter object is not a Dictionary):
AssertThrows call ale#linter#PreProcess('')
AssertEqual 'The linter object must be a Dictionary', g:vader_exception
Execute (PreProcess should throw when there is no name):
AssertThrows call ale#linter#PreProcess({
\ 'callback': 'SomeFunction',
\ 'executable': 'echo',
\ 'command': 'echo',
\})
AssertEqual '`name` must be defined to name the linter', g:vader_exception
Execute (PreProcess should throw when there is no callback):
AssertThrows call ale#linter#PreProcess({
\ 'name': 'foo',
\ 'executable': 'echo',
\ 'command': 'echo',
\})
AssertEqual '`callback` must be defined with a callback to accept output', g:vader_exception
Execute (PreProcess should throw when then callback is not a function):
AssertThrows call ale#linter#PreProcess({
\ 'name': 'foo',
\ 'callback': 1,
\ 'executable': 'echo',
\ 'command': 'echo',
\})
AssertEqual '`callback` must be defined with a callback to accept output', g:vader_exception
Execute (PreProcess should throw when there is no executable or executable_callback):
AssertThrows call ale#linter#PreProcess({
\ 'name': 'foo',
\ 'callback': 'SomeFunction',
\ 'command': 'echo',
\})
AssertEqual 'Either `executable` or `executable_callback` must be defined', g:vader_exception
Execute (PreProcess should throw when executable is not a string):
AssertThrows call ale#linter#PreProcess({
\ 'name': 'foo',
\ 'callback': 'SomeFunction',
\ 'executable': 123,
\ 'command': 'echo',
\})
AssertEqual '`executable` must be a string if defined', g:vader_exception
Execute (PreProcess should throw when executable_callback is not a callback):
AssertThrows call ale#linter#PreProcess({
\ 'name': 'foo',
\ 'callback': 'SomeFunction',
\ 'executable_callback': 123,
\ 'command': 'echo',
\})
AssertEqual '`executable_callback` must be a callback if defined', g:vader_exception
Execute (PreProcess should throw when there is no command):
AssertThrows call ale#linter#PreProcess({
\ 'name': 'foo',
\ 'callback': 'SomeFunction',
\ 'executable': 'echo',
\})
AssertEqual 'Either `command`, `executable_callback`, `command_chain` must be defined', g:vader_exception
Execute (PreProcess should throw when command is not a string):
AssertThrows call ale#linter#PreProcess({
\ 'name': 'foo',
\ 'callback': 'SomeFunction',
\ 'executable': 'echo',
\ 'command': [],
\})
AssertEqual '`command` must be a string if defined', g:vader_exception
Execute (PreProcess should throw when command_callback is not a callback):
AssertThrows call ale#linter#PreProcess({
\ 'name': 'foo',
\ 'callback': 'SomeFunction',
\ 'executable': 'echo',
\ 'command_callback': 123,
\})
AssertEqual '`command_callback` must be a callback if defined', g:vader_exception
Execute (PreProcess should when the output stream isn't a valid string):
AssertThrows call ale#linter#PreProcess({
\ 'name': 'foo',
\ 'callback': 'SomeFunction',
\ 'executable': 'echo',
\ 'command': 'echo',
\ 'output_stream': 'xxx',
\})
AssertEqual "`output_stream` must be 'stdout', 'stderr', or 'both'", g:vader_exception
Execute (PreProcess should not throw when everything is correct):
call ale#linter#PreProcess({
\ 'name': 'foo',
\ 'callback': 'SomeFunction',
\ 'executable': 'echo',
\ 'command': 'echo',
\})
Execute (PreProcess should accept an stdout output_stream):
call ale#linter#PreProcess({
\ 'name': 'foo',
\ 'callback': 'SomeFunction',
\ 'executable': 'echo',
\ 'command': 'echo',
\ 'output_stream': 'stdout',
\})
Execute (PreProcess should accept an stderr output_stream):
call ale#linter#PreProcess({
\ 'name': 'foo',
\ 'callback': 'SomeFunction',
\ 'executable': 'echo',
\ 'command': 'echo',
\ 'output_stream': 'stderr',
\})
Execute (PreProcess should accept a 'both' output_stream):
call ale#linter#PreProcess({
\ 'name': 'foo',
\ 'callback': 'SomeFunction',
\ 'executable': 'echo',
\ 'command': 'echo',
\ 'output_stream': 'both',
\})
Execute(PreProcess should complain if the command_chain is not a List):
let g:linter = {
\ 'name': 'x',
\ 'callback': 'x',
\ 'executable': 'x',
\ 'command_chain': 'x',
\}
AssertThrows call ale#linter#PreProcess(g:linter)
AssertEqual '`command_chain` must be a List', g:vader_exception
Execute(PreProcess should complain if the command_chain is empty):
let g:linter = {
\ 'name': 'x',
\ 'callback': 'x',
\ 'executable': 'x',
\ 'command_chain': [],
\}
AssertThrows call ale#linter#PreProcess(g:linter)
AssertEqual '`command_chain` must contain at least one item', g:vader_exception
Execute(PreProcess should complain if the command_chain has no callback):
let g:linter = {
\ 'name': 'x',
\ 'callback': 'x',
\ 'executable': 'x',
\ 'command_chain': [{}],
\}
AssertThrows call ale#linter#PreProcess(g:linter)
AssertEqual 'The `command_chain` item 0 must define a `callback` function', g:vader_exception
Execute(PreProcess should complain if the command_chain callback is not a function):
let g:linter = {
\ 'name': 'x',
\ 'callback': 'x',
\ 'executable': 'x',
\ 'command_chain': [{'callback': 2}],
\}
AssertThrows call ale#linter#PreProcess(g:linter)
AssertEqual 'The `command_chain` item 0 must define a `callback` function', g:vader_exception
Execute(PreProcess should accept a chain with one callback):
let g:linter = {
\ 'name': 'x',
\ 'callback': 'x',
\ 'executable': 'x',
\ 'command_chain': [{'callback': 'foo'}],
\}
call ale#linter#PreProcess(g:linter)
Execute(PreProcess should complain about invalid output_stream values in the chain):
let g:linter = {
\ 'name': 'x',
\ 'callback': 'x',
\ 'executable': 'x',
\ 'command_chain': [{'callback': 'foo', 'output_stream': ''}],
\}
AssertThrows call ale#linter#PreProcess(g:linter)
AssertEqual "The `command_chain` item 0 `output_stream` flag must be 'stdout', 'stderr', or 'both'", g:vader_exception
Execute(PreProcess should complain about valid output_stream values in the chain):
let g:linter = {
\ 'name': 'x',
\ 'callback': 'x',
\ 'executable': 'x',
\ 'command_chain': [{'callback': 'foo', 'output_stream': 'stdout'}],
\}
call ale#linter#PreProcess(g:linter)
let g:linter.command_chain[0].output_stream = 'stderr'
call ale#linter#PreProcess(g:linter)
let g:linter.command_chain[0].output_stream = 'both'
call ale#linter#PreProcess(g:linter)
Execute(PreProcess should complain about invalid chain items at higher indices):
let g:linter = {
\ 'name': 'x',
\ 'callback': 'x',
\ 'executable': 'x',
\ 'command_chain': [{'callback': 'foo'}, {'callback': 123}],
\}
AssertThrows call ale#linter#PreProcess(g:linter)
AssertEqual 'The `command_chain` item 1 must define a `callback` function', g:vader_exception
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