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


2import flag


3


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


5    'abc', '-done', '-define', 'two', '-live']


6const exe_and_v_args_with_tail = ['/path/to/exe', '-version', '-d', 'ident=val', '-test', 'abc',


7    '-done', '-d', 'two', '-live', 'run', '/path/to']


8


9struct Prefs {


10    version    bool @[short: v]


11    is_live    bool @[long: live]


12    is_done    bool @[long: done]


13    test       string


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


15    tail       []string @[tail]


16    out        string   @[only: o]


17    not_mapped string = 'not changed'


18}


19


20fn test_pure_v_style() {


21    prefs, _ := flag.to_struct[Prefs](exe_and_v_args, skip: 1, style: .v)!


22    assert prefs.version


23    assert prefs.is_live


24    assert prefs.is_done


25    assert prefs.test == 'abc'


26    assert prefs.defines.len == 2


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


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


29    assert prefs.tail.len == 0


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


31    assert prefs.not_mapped == 'not changed'


32}


33


34fn test_pure_v_style_no_exe() {


35    prefs, _ := flag.to_struct[Prefs](exe_and_v_args[1..], style: .v)!


36    assert prefs.version


37    assert prefs.is_live


38    assert prefs.is_done


39    assert prefs.test == 'abc'


40    assert prefs.defines.len == 2


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


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


43    assert prefs.tail.len == 0


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


45    assert prefs.not_mapped == 'not changed'


46}


47


48fn test_pure_v_style_with_tail() {


49    prefs, _ := flag.to_struct[Prefs](exe_and_v_args_with_tail, skip: 1, style: .v)!


50    assert prefs.version


51    assert prefs.is_live


52    assert prefs.is_done


53    assert prefs.test == 'abc'


54    assert prefs.not_mapped == 'not changed'


55    assert prefs.defines.len == 2


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


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


58    assert prefs.out == ''


59    assert prefs.not_mapped == 'not changed'


60    assert prefs.tail.len == 2


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


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


63}


64


65fn test_pure_v_style_with_tail_no_exe() {


66    prefs, _ := flag.to_struct[Prefs](exe_and_v_args_with_tail[1..], style: .v)!


67    assert prefs.version


68    assert prefs.is_live


69    assert prefs.is_done


70    assert prefs.test == 'abc'


71    assert prefs.not_mapped == 'not changed'


72    assert prefs.defines.len == 2


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


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


75    assert prefs.out == ''


76    assert prefs.not_mapped == 'not changed'


77    assert prefs.tail.len == 2


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


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


80}


81