version_test.go

     1  // Copyright 2023 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package version
     6  
     7  import (
     8  	"reflect"
     9  	"testing"
    10  )
    11  
    12  func TestCompare(t *testing.T) { test2(t, compareTests, "Compare", Compare) }
    13  
    14  var compareTests = []testCase2[string, string, int]{
    15  	{"", "", 0},
    16  	{"x", "x", 0},
    17  	{"", "x", 0},
    18  	{"1", "1.1", 0},
    19  	{"go1", "go1.1", -1},
    20  	{"go1.5", "go1.6", -1},
    21  	{"go1.5", "go1.10", -1},
    22  	{"go1.6", "go1.6.1", -1},
    23  	{"go1.19", "go1.19.0", 0},
    24  	{"go1.19rc1", "go1.19", -1},
    25  	{"go1.20", "go1.20.0", 0},
    26  	{"go1.20", "go1.20.0-bigcorp", 0},
    27  	{"go1.20rc1", "go1.20", -1},
    28  	{"go1.21", "go1.21.0", -1},
    29  	{"go1.21", "go1.21.0-bigcorp", -1},
    30  	{"go1.21", "go1.21rc1", -1},
    31  	{"go1.21rc1", "go1.21.0", -1},
    32  	{"go1.6", "go1.19", -1},
    33  	{"go1.19", "go1.19.1", -1},
    34  	{"go1.19rc1", "go1.19", -1},
    35  	{"go1.19rc1", "go1.19", -1},
    36  	{"go1.19rc1", "go1.19.1", -1},
    37  	{"go1.19rc1", "go1.19rc2", -1},
    38  	{"go1.19.0", "go1.19.1", -1},
    39  	{"go1.19rc1", "go1.19.0", -1},
    40  	{"go1.19alpha3", "go1.19beta2", -1},
    41  	{"go1.19beta2", "go1.19rc1", -1},
    42  	{"go1.1", "go1.99999999999999998", -1},
    43  	{"go1.99999999999999998", "go1.99999999999999999", -1},
    44  }
    45  
    46  func TestLang(t *testing.T) { test1(t, langTests, "Lang", Lang) }
    47  
    48  var langTests = []testCase1[string, string]{
    49  	{"bad", ""},
    50  	{"go1.2rc3", "go1.2"},
    51  	{"go1.2.3", "go1.2"},
    52  	{"go1.2", "go1.2"},
    53  	{"go1", "go1"},
    54  	{"go222", "go222.0"},
    55  	{"go1.999testmod", "go1.999"},
    56  }
    57  
    58  func TestIsValid(t *testing.T) { test1(t, isValidTests, "IsValid", IsValid) }
    59  
    60  var isValidTests = []testCase1[string, bool]{
    61  	{"", false},
    62  	{"1.2.3", false},
    63  	{"go1.2rc3", true},
    64  	{"go1.2.3", true},
    65  	{"go1.999testmod", true},
    66  	{"go1.600+auto", false},
    67  	{"go1.22", true},
    68  	{"go1.21.0", true},
    69  	{"go1.21rc2", true},
    70  	{"go1.21", true},
    71  	{"go1.20.0", true},
    72  	{"go1.20", true},
    73  	{"go1.19", true},
    74  	{"go1.3", true},
    75  	{"go1.2", true},
    76  	{"go1", true},
    77  }
    78  
    79  type testCase1[In, Out any] struct {
    80  	in  In
    81  	out Out
    82  }
    83  
    84  type testCase2[In1, In2, Out any] struct {
    85  	in1 In1
    86  	in2 In2
    87  	out Out
    88  }
    89  
    90  func test1[In, Out any](t *testing.T, tests []testCase1[In, Out], name string, f func(In) Out) {
    91  	t.Helper()
    92  	for _, tt := range tests {
    93  		if out := f(tt.in); !reflect.DeepEqual(out, tt.out) {
    94  			t.Errorf("%s(%v) = %v, want %v", name, tt.in, out, tt.out)
    95  		}
    96  	}
    97  }
    98  
    99  func test2[In1, In2, Out any](t *testing.T, tests []testCase2[In1, In2, Out], name string, f func(In1, In2) Out) {
   100  	t.Helper()
   101  	for _, tt := range tests {
   102  		if out := f(tt.in1, tt.in2); !reflect.DeepEqual(out, tt.out) {
   103  			t.Errorf("%s(%+v, %+v) = %+v, want %+v", name, tt.in1, tt.in2, out, tt.out)
   104  		}
   105  	}
   106  }
   107
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