v / vlib / flag / go_flag_style_flags_test.v
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1// Test .v (V) parse style


2import flag


3


4const exe_and_go_flag_args = ['/path/to/exe', '-version', '-d', 'ident=val', '-o', '/path/to',


5    '-test', 'abc', '-done', '-define', 'two', '-live', '--flag', '--flag-value=ok']


6const exe_and_go_flag_args_with_tail = ['/path/to/exe', '-version', '--flag', '--flag-value=ok',


7    '-d', 'ident=val', '-test', 'abc', '-done', '-d', 'two', '-live', 'run', '/path/to']


8


9struct Prefs {


10    flag       bool


11    flag_value string


12    version    bool @[short: v]


13    is_live    bool @[long: live]


14    is_done    bool @[long: done]


15    test       string


16    defines    []string @[long: define; short: d]


17    tail       []string @[tail]


18    out        string   @[only: o]


19    not_mapped string = 'not changed'


20}


21


22fn test_go_flag_style() {


23    prefs, _ := flag.to_struct[Prefs](exe_and_go_flag_args, skip: 1, style: .go_flag)!


24    assert prefs.flag


25    assert prefs.flag_value == 'ok'


26    assert prefs.version


27    assert prefs.is_live


28    assert prefs.is_done


29    assert prefs.test == 'abc'


30    assert prefs.defines.len == 2


31    assert prefs.defines[0] == 'ident=val'


32    assert prefs.defines[1] == 'two'


33    assert prefs.tail.len == 0


34    assert prefs.out == '/path/to'


35    assert prefs.not_mapped == 'not changed'


36}


37


38fn test_go_flag_style_no_exe() {


39    prefs, _ := flag.to_struct[Prefs](exe_and_go_flag_args[1..], style: .go_flag)!


40    assert prefs.flag


41    assert prefs.flag_value == 'ok'


42    assert prefs.version


43    assert prefs.is_live


44    assert prefs.is_done


45    assert prefs.test == 'abc'


46    assert prefs.defines.len == 2


47    assert prefs.defines[0] == 'ident=val'


48    assert prefs.defines[1] == 'two'


49    assert prefs.tail.len == 0


50    assert prefs.out == '/path/to'


51    assert prefs.not_mapped == 'not changed'


52}


53


54fn test_go_flag_style_with_tail() {


55    prefs, _ := flag.to_struct[Prefs](exe_and_go_flag_args_with_tail, skip: 1, style: .go_flag)!


56    assert prefs.flag


57    assert prefs.flag_value == 'ok'


58    assert prefs.version


59    assert prefs.is_live


60    assert prefs.is_done


61    assert prefs.test == 'abc'


62    assert prefs.not_mapped == 'not changed'


63    assert prefs.defines.len == 2


64    assert prefs.defines[0] == 'ident=val'


65    assert prefs.defines[1] == 'two'


66    assert prefs.out == ''


67    assert prefs.not_mapped == 'not changed'


68    assert prefs.tail.len == 2


69    assert prefs.tail[0] == 'run'


70    assert prefs.tail[1] == '/path/to'


71}


72


73fn test_go_flag_style_with_tail_no_exe() {


74    prefs, _ := flag.to_struct[Prefs](exe_and_go_flag_args_with_tail[1..], style: .go_flag)!


75    assert prefs.flag


76    assert prefs.flag_value == 'ok'


77    assert prefs.version


78    assert prefs.is_live


79    assert prefs.is_done


80    assert prefs.test == 'abc'


81    assert prefs.not_mapped == 'not changed'


82    assert prefs.defines.len == 2


83    assert prefs.defines[0] == 'ident=val'


84    assert prefs.defines[1] == 'two'


85    assert prefs.out == ''


86    assert prefs.not_mapped == 'not changed'


87    assert prefs.tail.len == 2


88    assert prefs.tail[0] == 'run'


89    assert prefs.tail[1] == '/path/to'


90}


91