match - match_test.go

     1  package match
     2  
     3  import (
     4  	"errors"
     5  	"testing"
     6  )
     7  
     8  func TestMatch(t *testing.T) {
     9  	var (
    10  		matches   [][]string
    11  		nomatches [][]string
    12  
    13  		sm = New[int]()
    14  	)
    15  
    16  	for n, test := range [...]struct {
    17  		Add     string
    18  		Err     error
    19  		Match   []string
    20  		NoMatch []string
    21  	}{
    22  		{ // 1
    23  			Add:     "abc",
    24  			Match:   []string{"abc"},
    25  			NoMatch: []string{"ab", "abd", "abcd"},
    26  		},
    27  		{ // 1
    28  			Add: "abc",
    29  			Err: ErrAmbiguous,
    30  		},
    31  		{ // 1
    32  			Add:     "def",
    33  			Match:   []string{"def"},
    34  			NoMatch: []string{"ab", "abd", "abcd", "de", "deg", "defg"},
    35  		},
    36  	} {
    37  		if err := sm.AddString(test.Add, n+1); !errors.Is(err, test.Err) {
    38  			t.Errorf("test %d: expecting error %v, got %v", n+1, test.Err, err)
    39  		} else {
    40  			matches = append(matches, test.Match)
    41  			nomatches = append(nomatches, test.NoMatch)
    42  
    43  			for m, toMatch := range matches {
    44  				for l, match := range toMatch {
    45  					if v := sm.Match(match); v != m+1 {
    46  						t.Errorf("test %d.%d.%d: expecting value %d, got %d", n+1, m+1, l+1, m+1, v)
    47  					}
    48  				}
    49  			}
    50  
    51  			for m, toNotMatch := range nomatches {
    52  				for l, match := range toNotMatch {
    53  					if v := sm.Match(match); v == m+1 {
    54  						t.Errorf("test %d.%d.%d: expecting to not get value %d, but did", n+1, m+1, l+1, v)
    55  					}
    56  				}
    57  			}
    58  		}
    59  	}
    60  }
    61  
    62  func TestState(t *testing.T) {
    63  	sm := New[int]()
    64  
    65  	sm.AddString("abcde", 1)
    66  
    67  	if state := sm.MatchState("b"); state != (State[int]{sm, 0}) {
    68  		t.Errorf("test 1: expecting state 0, got %d", state.state)
    69  	}
    70  
    71  	if state := sm.MatchState("a"); state != (State[int]{sm, 2}) {
    72  		t.Errorf("test 2: expecting state 2, got %d", state.state)
    73  	} else if state = state.MatchState("b"); state != (State[int]{sm, 3}) {
    74  		t.Errorf("test 3: expecting state 3, got %d", state.state)
    75  	} else if v := state.Match("c"); v != 0 {
    76  		t.Errorf("test 4: expecting value 0, got %d", v)
    77  	} else if v := state.Match("cde"); v != 1 {
    78  		t.Errorf("test 5: expecting value 1, got %d", v)
    79  	}
    80  }
    81