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vim9script
# Utility functions for testing vim9 script
# Use a different file name for each run.
var sequence = 1
# Check that "lines" inside a ":def" function has no error when called.
export func CheckDefSuccess(lines)
let cwd = getcwd()
let fname = 'XdefSuccess' .. s:sequence
let s:sequence += 1
call writefile(['def Func()'] + a:lines + ['enddef', 'defcompile'], fname)
try
exe 'so ' .. fname
call Func()
finally
call chdir(cwd)
call delete(fname)
delfunc! Func
endtry
endfunc
# Check that "lines" inside a ":def" function has no error when compiled.
export func CheckDefCompileSuccess(lines)
let fname = 'XdefSuccess' .. s:sequence
let s:sequence += 1
call writefile(['def Func()'] + a:lines + ['enddef', 'defcompile'], fname)
try
exe 'so ' .. fname
finally
call delete(fname)
delfunc! Func
endtry
endfunc
# Check that "lines" inside ":def" results in an "error" message.
# If "lnum" is given check that the error is reported for this line.
# Add a line before and after to make it less likely that the line number is
# accidentally correct.
export func CheckDefFailure(lines, error, lnum = -3)
let cwd = getcwd()
let fname = 'XdefFailure' .. s:sequence
let s:sequence += 1
call writefile(['def Func()', '# comment'] + a:lines + ['#comment', 'enddef', 'defcompile'], fname)
try
call assert_fails('so ' .. fname, a:error, a:lines, a:lnum + 1)
finally
call chdir(cwd)
call delete(fname)
delfunc! Func
endtry
endfunc
# Check that "lines" inside ":def" results in an "error" message when executed.
# If "lnum" is given check that the error is reported for this line.
# Add a line before and after to make it less likely that the line number is
# accidentally correct.
export func CheckDefExecFailure(lines, error, lnum = -3)
let cwd = getcwd()
let fname = 'XdefExecFailure' .. s:sequence
let s:sequence += 1
call writefile(['def Func()', '# comment'] + a:lines + ['#comment', 'enddef'], fname)
try
exe 'so ' .. fname
call assert_fails('call Func()', a:error, a:lines, a:lnum + 1)
finally
call chdir(cwd)
call delete(fname)
delfunc! Func
endtry
endfunc
export def CheckScriptFailure(lines: list<string>, error: string, lnum = -3)
var cwd = getcwd()
var fname = 'XScriptFailure' .. sequence
sequence += 1
writefile(lines, fname)
try
assert_fails('so ' .. fname, error, lines, lnum)
finally
chdir(cwd)
delete(fname)
endtry
enddef
export def CheckScriptFailureList(lines: list<string>, errors: list<string>, lnum = -3)
var cwd = getcwd()
var fname = 'XScriptFailure' .. sequence
sequence += 1
writefile(lines, fname)
try
assert_fails('so ' .. fname, errors, lines, lnum)
finally
chdir(cwd)
delete(fname)
endtry
enddef
export def CheckScriptSuccess(lines: list<string>)
var cwd = getcwd()
var fname = 'XScriptSuccess' .. sequence
sequence += 1
writefile(lines, fname)
try
exe 'so ' .. fname
finally
chdir(cwd)
delete(fname)
endtry
enddef
export def CheckDefAndScriptSuccess(lines: list<string>)
CheckDefSuccess(lines)
CheckScriptSuccess(['vim9script'] + lines)
enddef
# Check that a command fails when used in a :def function and when used in
# Vim9 script.
# When "error" is a string, both with the same error.
# When "error" is a list, the :def function fails with "error[0]" , the script
# fails with "error[1]".
export def CheckDefAndScriptFailure(lines: list<string>, error: any, lnum = -3)
var errorDef: string
var errorScript: string
if type(error) == v:t_string
errorDef = error
errorScript = error
elseif type(error) == v:t_list && len(error) == 2
errorDef = error[0]
errorScript = error[1]
else
echoerr 'error argument must be a string or a list with two items'
return
endif
CheckDefFailure(lines, errorDef, lnum)
CheckScriptFailure(['vim9script'] + lines, errorScript, lnum + 1)
enddef
# Check that a command fails when executed in a :def function and when used in
# Vim9 script.
# When "error" is a string, both with the same error.
# When "error" is a list, the :def function fails with "error[0]" , the script
# fails with "error[1]".
export def CheckDefExecAndScriptFailure(lines: list<string>, error: any, lnum = -3)
var errorDef: string
var errorScript: string
if type(error) == v:t_string
errorDef = error
errorScript = error
elseif type(error) == v:t_list && len(error) == 2
errorDef = error[0]
errorScript = error[1]
else
echoerr 'error argument must be a string or a list with two items'
return
endif
CheckDefExecFailure(lines, errorDef, lnum)
CheckScriptFailure(['vim9script'] + lines, errorScript, lnum + 1)
enddef
# Check that "lines" inside a legacy function has no error.
export func CheckLegacySuccess(lines)
let cwd = getcwd()
let fname = 'XlegacySuccess' .. s:sequence
let s:sequence += 1
call writefile(['func Func()'] + a:lines + ['endfunc'], fname)
try
exe 'so ' .. fname
call Func()
finally
delfunc! Func
call chdir(cwd)
call delete(fname)
endtry
endfunc
# Check that "lines" inside a legacy function results in the expected error
export func CheckLegacyFailure(lines, error)
let cwd = getcwd()
let fname = 'XlegacyFails' .. s:sequence
let s:sequence += 1
call writefile(['func Func()'] + a:lines + ['endfunc', 'call Func()'], fname)
try
call assert_fails('so ' .. fname, a:error)
finally
delfunc! Func
call chdir(cwd)
call delete(fname)
endtry
endfunc
# Execute "lines" in a legacy function, translated as in
# CheckLegacyAndVim9Success()
export def CheckTransLegacySuccess(lines: list<string>)
var legacylines = lines->mapnew((_, v) =>
v->substitute('\<VAR\>', 'let', 'g')
->substitute('\<LET\>', 'let', 'g')
->substitute('\<LSTART\>', '{', 'g')
->substitute('\<LMIDDLE\>', '->', 'g')
->substitute('\<LEND\>', '}', 'g')
->substitute('\<TRUE\>', '1', 'g')
->substitute('\<FALSE\>', '0', 'g')
->substitute('#"', ' "', 'g'))
CheckLegacySuccess(legacylines)
enddef
export def Vim9Trans(lines: list<string>): list<string>
return lines->mapnew((_, v) =>
v->substitute('\<VAR\>', 'var', 'g')
->substitute('\<LET ', '', 'g')
->substitute('\<LSTART\>', '(', 'g')
->substitute('\<LMIDDLE\>', ') =>', 'g')
->substitute(' *\<LEND\> *', '', 'g')
->substitute('\<TRUE\>', 'true', 'g')
->substitute('\<FALSE\>', 'false', 'g'))
enddef
# Execute "lines" in a :def function, translated as in
# CheckLegacyAndVim9Success()
export def CheckTransDefSuccess(lines: list<string>)
CheckDefSuccess(Vim9Trans(lines))
enddef
# Execute "lines" in a Vim9 script, translated as in
# CheckLegacyAndVim9Success()
export def CheckTransVim9Success(lines: list<string>)
CheckScriptSuccess(['vim9script'] + Vim9Trans(lines))
enddef
# Execute "lines" in a legacy function, :def function and Vim9 script.
# Use 'VAR' for a declaration.
# Use 'LET' for an assignment
# Use ' #"' for a comment
# Use LSTART arg LMIDDLE expr LEND for lambda
# Use 'TRUE' for 1 in legacy, true in Vim9
# Use 'FALSE' for 0 in legacy, false in Vim9
export def CheckLegacyAndVim9Success(lines: list<string>)
CheckTransLegacySuccess(lines)
CheckTransDefSuccess(lines)
CheckTransVim9Success(lines)
enddef
# Execute "lines" in a legacy function, :def function and Vim9 script.
# Use 'VAR' for a declaration.
# Use 'LET' for an assignment
# Use ' #"' for a comment
export def CheckLegacyAndVim9Failure(lines: list<string>, error: any)
var legacyError: string
var defError: string
var scriptError: string
if type(error) == type('string')
legacyError = error
defError = error
scriptError = error
else
legacyError = error[0]
defError = error[1]
scriptError = error[2]
endif
var legacylines = lines->mapnew((_, v) =>
v->substitute('\<VAR\>', 'let', 'g')
->substitute('\<LET\>', 'let', 'g')
->substitute('#"', ' "', 'g'))
CheckLegacyFailure(legacylines, legacyError)
var vim9lines = lines->mapnew((_, v) =>
v->substitute('\<VAR\>', 'var', 'g')
->substitute('\<LET ', '', 'g'))
CheckDefExecFailure(vim9lines, defError)
CheckScriptFailure(['vim9script'] + vim9lines, scriptError)
enddef
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