mirror of
https://github.com/vlang/v.git
synced 2023-08-10 21:13:21 +03:00
426 lines
12 KiB
V
426 lines
12 KiB
V
import flag
|
|
|
|
fn test_if_flag_not_given_return_default_values() {
|
|
mut fp := flag.new_flag_parser([])
|
|
assert false == fp.bool('a_bool', 0, false, '')
|
|
assert 42 == fp.int('an_int', 0, 42, '')
|
|
assert 1.0 == fp.float('a_float', 0, 1.0, '')
|
|
assert 'stuff' == fp.string('a_string', 0, 'stuff', '')
|
|
}
|
|
|
|
fn test_could_define_application_name_and_version() {
|
|
mut fp := flag.new_flag_parser([])
|
|
fp.application('test app')
|
|
fp.version('0.0.42')
|
|
fp.description('some text')
|
|
assert fp.application_name == 'test app'
|
|
assert fp.application_version == '0.0.42'
|
|
assert fp.application_description == 'some text'
|
|
}
|
|
|
|
fn test_bool_flags_do_not_need_an_value() {
|
|
mut fp := flag.new_flag_parser(['--a_bool'])
|
|
assert true == fp.bool('a_bool', 0, false, '')
|
|
}
|
|
|
|
fn test_flags_could_be_defined_with_eq() {
|
|
mut fp := flag.new_flag_parser([
|
|
'--an_int=42',
|
|
'--a_float=2.0',
|
|
'--bool_without',
|
|
'--a_string=stuff',
|
|
'--a_bool=true',
|
|
])
|
|
assert 42 == fp.int('an_int', 0, 0o666, '')
|
|
assert true == fp.bool('a_bool', 0, false, '')
|
|
assert true == fp.bool('bool_without', 0, false, '')
|
|
assert 2.0 == fp.float('a_float', 0, 1.0, '')
|
|
assert 'stuff' == fp.string('a_string', 0, 'not_stuff', '')
|
|
}
|
|
|
|
fn test_values_could_be_defined_without_eq() {
|
|
mut fp := flag.new_flag_parser([
|
|
'--an_int',
|
|
'42',
|
|
'--a_float',
|
|
'2.0',
|
|
'--bool_without',
|
|
'--a_string',
|
|
'stuff',
|
|
'--a_bool',
|
|
'true',
|
|
])
|
|
assert 42 == fp.int('an_int', 0, 0o666, '')
|
|
assert true == fp.bool('a_bool', 0, false, '')
|
|
assert true == fp.bool('bool_without', 0, false, '')
|
|
assert 2.0 == fp.float('a_float', 0, 1.0, '')
|
|
assert 'stuff' == fp.string('a_string', 0, 'not_stuff', '')
|
|
}
|
|
|
|
fn test_values_could_be_defined_mixed() {
|
|
mut fp := flag.new_flag_parser([
|
|
'--an_int',
|
|
'42',
|
|
'--a_float=2.0',
|
|
'--bool_without',
|
|
'--a_string',
|
|
'stuff',
|
|
'--a_bool=true',
|
|
])
|
|
assert 42 == fp.int('an_int', 0, 0o666, '')
|
|
assert true == fp.bool('a_bool', 0, false, '')
|
|
assert true == fp.bool('bool_without', 0, false, '')
|
|
assert 2.0 == fp.float('a_float', 0, 1.0, '')
|
|
assert 'stuff' == fp.string('a_string', 0, 'not_stuff', '')
|
|
}
|
|
|
|
fn test_beaware_for_argument_names_with_same_prefix() {
|
|
mut fp := flag.new_flag_parser([
|
|
'--short',
|
|
'5',
|
|
'--shorter=7',
|
|
])
|
|
assert 5 == fp.int('short', 0, 0o666, '')
|
|
assert 7 == fp.int('shorter', 0, 0o666, '')
|
|
}
|
|
|
|
fn test_beaware_for_argument_names_with_same_prefix_inverse() {
|
|
mut fp := flag.new_flag_parser([
|
|
'--shorter=7',
|
|
'--short',
|
|
'5',
|
|
])
|
|
assert 5 == fp.int('short', 0, 0o666, '')
|
|
assert 7 == fp.int('shorter', 0, 0o666, '')
|
|
}
|
|
|
|
fn test_allow_to_skip_executable_path() {
|
|
mut fp := flag.new_flag_parser(['./path/to/execuable'])
|
|
fp.skip_executable()
|
|
args := fp.finalize() or {
|
|
assert false
|
|
return
|
|
}
|
|
assert !args.contains('./path/to/execuable')
|
|
}
|
|
|
|
fn test_none_flag_arguments_are_allowed() {
|
|
mut fp := flag.new_flag_parser([
|
|
'file1',
|
|
'--an_int=2',
|
|
'file2',
|
|
'file3',
|
|
'--bool_without',
|
|
'file4',
|
|
'--outfile',
|
|
'outfile',
|
|
])
|
|
assert 2 == fp.int('an_int', 0, 0o666, '')
|
|
assert 'outfile' == fp.string('outfile', 0, 'bad', '')
|
|
assert true == fp.bool('bool_without', 0, false, '')
|
|
}
|
|
|
|
fn test_finalize_returns_none_flag_arguments_ordered() {
|
|
mut fp := flag.new_flag_parser(['d', 'b', 'x', 'a', '--outfile', 'outfile'])
|
|
fp.string('outfile', 0, 'bad', '')
|
|
finalized := fp.finalize() or {
|
|
assert false
|
|
return
|
|
}
|
|
expected := ['d', 'b', 'x', 'a']
|
|
for i, v in finalized {
|
|
assert v == expected[i]
|
|
}
|
|
}
|
|
|
|
fn test_finalize_returns_error_for_unknown_flags_long() {
|
|
mut fp := flag.new_flag_parser(['--known', '--unknown'])
|
|
fp.bool('known', 0, false, '')
|
|
finalized := fp.finalize() or {
|
|
assert err.msg() == 'Unknown flag `--unknown`'
|
|
return
|
|
}
|
|
assert finalized.len < 0 // expect error to be returned
|
|
}
|
|
|
|
fn test_finalize_returns_error_for_unknown_flags_short() {
|
|
mut fp := flag.new_flag_parser(['--known', '-x'])
|
|
fp.bool('known', 0, false, '')
|
|
finalized := fp.finalize() or {
|
|
assert err.msg() == 'Unknown flag `-x`'
|
|
return
|
|
}
|
|
assert finalized.len < 0 // expect error to be returned
|
|
}
|
|
|
|
fn test_allow_to_build_usage_message() {
|
|
mut fp := flag.new_flag_parser([])
|
|
fp.limit_free_args(1, 4)!
|
|
fp.application('flag_tool')
|
|
fp.version('v0.0.0')
|
|
fp.description('some short information about this tool')
|
|
fp.int('an_int', 0, 0o666, 'some int to define')
|
|
fp.bool('a_bool', 0, false, 'some bool to define')
|
|
fp.bool('bool_without_but_really_big', 0, false, 'this should appear on the next line')
|
|
fp.float('a_float', 0, 1.0, 'some float as well')
|
|
fp.string('a_string', 0, 'not_stuff', 'your credit card number')
|
|
usage := fp.usage()
|
|
mut all_strings_found := true
|
|
for s in ['flag_tool', 'v0.0.0', 'an_int <int>', 'a_bool', 'bool_without', 'a_float <float>',
|
|
'a_string <string>', 'some int to define', 'some bool to define',
|
|
'this should appear on the next line', 'some float as well', 'your credit card number',
|
|
'The arguments should be at least 1 and at most 4 in number.', 'Usage', 'Options:',
|
|
'Description:', 'some short information about this tool'] {
|
|
if !usage.contains(s) {
|
|
eprintln(" missing '${s}' in usage message")
|
|
all_strings_found = false
|
|
}
|
|
}
|
|
assert all_strings_found
|
|
}
|
|
|
|
fn test_if_no_description_given_usage_message_does_not_contain_descpription() {
|
|
mut fp := flag.new_flag_parser([])
|
|
fp.application('flag_tool')
|
|
fp.version('v0.0.0')
|
|
fp.bool('a_bool', 0, false, '')
|
|
assert !fp.usage().contains('Description:')
|
|
}
|
|
|
|
fn test_if_no_options_given_usage_message_does_not_contain_options() {
|
|
mut fp := flag.new_flag_parser([])
|
|
fp.application('flag_tool')
|
|
fp.version('v0.0.0')
|
|
assert !fp.usage().contains('Options:')
|
|
}
|
|
|
|
fn test_free_args_could_be_limited() {
|
|
mut fp1 := flag.new_flag_parser(['a', 'b', 'c'])
|
|
fp1.limit_free_args(1, 4)!
|
|
args := fp1.finalize() or {
|
|
assert false
|
|
return
|
|
}
|
|
assert args[0] == 'a'
|
|
assert args[1] == 'b'
|
|
assert args[2] == 'c'
|
|
}
|
|
|
|
fn test_error_for_to_few_free_args() {
|
|
mut fp1 := flag.new_flag_parser(['a', 'b', 'c'])
|
|
fp1.limit_free_args(5, 6)!
|
|
args := fp1.finalize() or {
|
|
assert err.msg().starts_with('Expected at least 5 arguments')
|
|
return
|
|
}
|
|
assert args.len < 0 // expect an error and need to use args
|
|
}
|
|
|
|
fn test_error_for_to_much_free_args() {
|
|
mut fp1 := flag.new_flag_parser(['a', 'b', 'c'])
|
|
fp1.limit_free_args(1, 2)!
|
|
args := fp1.finalize() or {
|
|
assert err.msg().starts_with('Expected at most 2 arguments')
|
|
return
|
|
}
|
|
assert args.len < 0 // expect an error and need to use args
|
|
}
|
|
|
|
fn test_could_expect_no_free_args() {
|
|
mut fp1 := flag.new_flag_parser(['a'])
|
|
fp1.limit_free_args(0, 0)!
|
|
args := fp1.finalize() or {
|
|
assert err.msg().starts_with('Expected no arguments')
|
|
return
|
|
}
|
|
assert args.len < 0 // expect an error and need to use args
|
|
}
|
|
|
|
fn test_allow_abreviations() {
|
|
mut fp := flag.new_flag_parser(['-v', '-o', 'some_file', '-i', '42', '-f', '2.0'])
|
|
v := fp.bool('version', `v`, false, '')
|
|
o := fp.string('output', `o`, 'empty', '')
|
|
i := fp.int('count', `i`, 0, '')
|
|
f := fp.float('value', `f`, 0.0, '')
|
|
assert v == true
|
|
assert o == 'some_file'
|
|
assert i == 42
|
|
assert f == 2.0
|
|
u := fp.usage()
|
|
assert u.contains(' -v')
|
|
assert u.contains(' -o')
|
|
assert u.contains(' -i')
|
|
assert u.contains(' -f')
|
|
assert u.contains(' -o, --output <string>')
|
|
assert u.contains(' -i, --count <int>')
|
|
assert u.contains(' -f, --value <float>')
|
|
}
|
|
|
|
fn test_allow_kebab_options() {
|
|
default_value := 'this_is_the_default_value_of_long_option'
|
|
long_option_value := 'this_is_a_long_option_value_as_argument'
|
|
mut fp := flag.new_flag_parser(['--my-long-flag', 'true', '--my-long-option', long_option_value])
|
|
my_flag := fp.bool('my-long-flag', 0, false, 'flag with long-kebab-name')
|
|
my_option := fp.string('my-long-option', 0, default_value, 'string with long-kebab-name')
|
|
assert my_flag == true
|
|
assert my_option == long_option_value
|
|
u := fp.usage()
|
|
assert u.contains(' --my-long-flag')
|
|
assert u.contains(' --my-long-option')
|
|
}
|
|
|
|
fn test_not_provided_option_is_not_returned() {
|
|
mut fp := flag.new_flag_parser([])
|
|
fp.bool_opt('some-flag', `a`, '') or {
|
|
fp.int_opt('some-flag', `a`, '') or {
|
|
fp.float_opt('some-flag', `a`, '') or {
|
|
fp.string_opt('some-flag', `a`, '') or {
|
|
// Everything should not return
|
|
return
|
|
}
|
|
return
|
|
}
|
|
return
|
|
}
|
|
return
|
|
}
|
|
// If we reach here, one of them returned a value.
|
|
assert false
|
|
}
|
|
|
|
fn test_provided_option_is_returned() {
|
|
mut fp := flag.new_flag_parser(['-a', '-b', '3', '-c', 'hello', '-d', '3.14'])
|
|
a := fp.bool_opt('some-flag', `a`, '') or { panic('bool_opt did not return a bool') }
|
|
b := fp.int_opt('some-flag', `b`, '') or { panic('int_opt did not return an int') }
|
|
c := fp.string_opt('some-flag', `c`, '') or { panic('string_opt did not return a string') }
|
|
d := fp.float_opt('some-flag', `d`, '') or { panic('float_opt did not return a float') }
|
|
assert true == a
|
|
assert b == 3
|
|
assert c == 'hello'
|
|
assert d == 3.14
|
|
}
|
|
|
|
fn test_multiple_arguments() {
|
|
mut fp := flag.new_flag_parser([
|
|
'-a',
|
|
'2',
|
|
'-a',
|
|
'3',
|
|
'-a',
|
|
'5',
|
|
'-b',
|
|
'a',
|
|
'-b',
|
|
'c',
|
|
'-b',
|
|
'b',
|
|
'-c',
|
|
'1.23',
|
|
'-c',
|
|
'2.34',
|
|
'-c',
|
|
'3.45',
|
|
])
|
|
// TODO Move to array comparison once it's implemented
|
|
// assert fp.int_multi('some-flag', `a`, '') == [2, 3, 5] &&
|
|
// fp.string_multi('some-flag', `b`, '') == ['a', 'c', 'b'] &&
|
|
// fp.float_multi('some-flag', `c`, '') == [1.23, 2.34, 3.45]
|
|
a := fp.int_multi('some-flag', `a`, '')
|
|
b := fp.string_multi('some-flag', `b`, '')
|
|
c := fp.float_multi('some-flag', `c`, '')
|
|
assert a.len == 3
|
|
assert b.len == 3
|
|
assert c.len == 3
|
|
assert a[0] == 2
|
|
assert a[1] == 3
|
|
assert a[2] == 5
|
|
assert b[0] == 'a'
|
|
assert b[1] == 'c'
|
|
assert b[2] == 'b'
|
|
assert c[0] == 1.23
|
|
assert c[1] == 2.34
|
|
assert c[2] == 3.45
|
|
}
|
|
|
|
fn test_long_options_that_start_with_the_same_letter_as_another_short_option() {
|
|
mut fp := flag.new_flag_parser([
|
|
'--vabc',
|
|
'/abc',
|
|
])
|
|
verbose := fp.bool('verbose', `v`, false, 'Be more verbose.')
|
|
vabc := fp.string('vabc', `x`, 'default', 'Another option that *may* conflict with v, but *should not*')
|
|
assert verbose == false
|
|
assert vabc == '/abc'
|
|
}
|
|
|
|
fn test_long_options_that_start_with_the_same_letter_as_another_short_option_both_set() {
|
|
mut fp := flag.new_flag_parser([
|
|
'-v',
|
|
'--vabc',
|
|
'/abc',
|
|
])
|
|
verbose := fp.bool('verbose', `v`, false, 'Be more verbose.')
|
|
vabc := fp.string('vabc', `x`, 'default', 'Another option that *may* conflict with v, but *should not*')
|
|
assert verbose == true
|
|
assert vabc == '/abc'
|
|
}
|
|
|
|
fn test_single_dash() {
|
|
mut fp := flag.new_flag_parser([
|
|
'-',
|
|
])
|
|
flag_update := fp.bool('update', `u`, false, 'Update tools')
|
|
assert flag_update == false
|
|
}
|
|
|
|
fn test_optional_flags() {
|
|
mut fp := flag.new_flag_parser(['-a', '10', '-b'])
|
|
fp.int_opt('some-flag', `a`, '') or {
|
|
assert false
|
|
return
|
|
}
|
|
b := fp.string_opt('another-flag', `b`, '') or { 'some_default_value' }
|
|
assert b == 'some_default_value'
|
|
}
|
|
|
|
fn test_dashdash_acts_as_parser_full_stop() {
|
|
mut fp := flag.new_flag_parser(['-b', '5', '--', '-d', '-x', '-b', '4', '-a', '-c', 'hello',
|
|
'some', 'other', 'parameters'])
|
|
a := fp.bool_opt('a-bool-flag', `a`, '') or { false }
|
|
b := fp.int_opt('an-int-flag', `b`, '') or { -1 }
|
|
c := fp.string_opt('a-string-flag', `c`, '') or { 'default' }
|
|
assert a == false
|
|
assert b == 5
|
|
assert c == 'default'
|
|
args := fp.finalize()!
|
|
assert args.len > 0
|
|
assert args[0] != '--'
|
|
assert args == ['-d', '-x', '-b', '4', '-a', '-c', 'hello', 'some', 'other', 'parameters']
|
|
}
|
|
|
|
fn test_dashdash_acts_as_parser_full_stop_dashdash_at_end() {
|
|
mut fp := flag.new_flag_parser(['-b', '5', '-b', '4', 'other', 'params', '--'])
|
|
b := fp.int_multi('an-int-flag', `b`, '')
|
|
assert b == [5, 4]
|
|
args := fp.finalize()!
|
|
assert args.len > 0
|
|
}
|
|
|
|
fn test_empty_string_with_flag() {
|
|
mut fp := flag.new_flag_parser([''])
|
|
s := fp.string('something', `s`, 'default', 'Hey parse me')
|
|
}
|
|
|
|
fn test_finalize_with_multi_shortargs() {
|
|
mut fp := flag.new_flag_parser(['-ab', '-c'])
|
|
a_bool := fp.bool('a_bool', `a`, false, '')
|
|
assert a_bool
|
|
b_bool := fp.bool('b_bool', `b`, false, '')
|
|
assert b_bool
|
|
c_bool := fp.bool('c_bool', `c`, false, '')
|
|
assert c_bool
|
|
additional_args := fp.finalize()!
|
|
println(additional_args.join_lines())
|
|
assert additional_args == []
|
|
}
|