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semver_test.gno

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  1package semver
  2
  3import (
  4	"testing"
  5
  6	"gno.land/p/nt/uassert/v0"
  7)
  8
  9func TestParse(t *testing.T) {
 10	cases := []struct {
 11		in    string
 12		ok    bool
 13		major int
 14		minor int
 15		patch int
 16		npre  int
 17		build string
 18	}{
 19		{"1.2.3", true, 1, 2, 3, 0, ""},
 20		{"v1.2.3", true, 1, 2, 3, 0, ""},
 21		{"1.0.0-alpha", true, 1, 0, 0, 1, ""},
 22		{"1.0.0-alpha.1", true, 1, 0, 0, 2, ""},
 23		{"2.0.0+build.5", true, 2, 0, 0, 0, "build.5"},
 24		{"1.0.0-rc.1+ci.7", true, 1, 0, 0, 2, "ci.7"},
 25		{"1.2", false, 0, 0, 0, 0, ""},
 26		{"1.2.3.4", false, 0, 0, 0, 0, ""},
 27		{"1.2.x", false, 0, 0, 0, 0, ""},
 28		{"01.2.3", false, 0, 0, 0, 0, ""},
 29		{"1.0.0-", false, 0, 0, 0, 0, ""},
 30		{"", false, 0, 0, 0, 0, ""},
 31	}
 32	for _, c := range cases {
 33		v, err := Parse(c.in)
 34		if !c.ok {
 35			uassert.Error(t, err, "expected error for "+c.in)
 36			continue
 37		}
 38		uassert.NoError(t, err, "unexpected error for "+c.in)
 39		uassert.Equal(t, c.major, v.Major, "major "+c.in)
 40		uassert.Equal(t, c.minor, v.Minor, "minor "+c.in)
 41		uassert.Equal(t, c.patch, v.Patch, "patch "+c.in)
 42		uassert.Equal(t, c.npre, len(v.Pre), "pre count "+c.in)
 43		uassert.Equal(t, c.build, v.Build, "build "+c.in)
 44	}
 45}
 46
 47func TestCompare(t *testing.T) {
 48	cases := []struct {
 49		a, b string
 50		want int
 51	}{
 52		// numeric fields compare numerically, not lexically
 53		{"1.2.3", "1.2.10", -1},
 54		{"1.2.10", "1.2.3", 1},
 55		{"1.0.0", "1.0.0", 0},
 56		{"2.0.0", "1.9.9", 1},
 57		{"1.1.0", "1.0.9", 1},
 58		// pre-release < release
 59		{"1.0.0-alpha", "1.0.0", -1},
 60		{"1.0.0", "1.0.0-alpha", 1},
 61		{"1.0.0-rc.1", "1.0.0", -1},
 62		// pre-release ordering per SemVer §11 spec example
 63		{"1.0.0-alpha", "1.0.0-alpha.1", -1},
 64		{"1.0.0-alpha.1", "1.0.0-alpha.beta", -1},
 65		{"1.0.0-alpha.beta", "1.0.0-beta", -1},
 66		{"1.0.0-beta", "1.0.0-beta.2", -1},
 67		{"1.0.0-beta.2", "1.0.0-beta.11", -1},
 68		{"1.0.0-beta.11", "1.0.0-rc.1", -1},
 69		// build metadata does not affect precedence
 70		{"1.0.0", "1.0.0+build.99", 0},
 71		{"1.0.0+a", "1.0.0+b", 0},
 72		// invalid inputs sort last, equal to each other
 73		{"nope", "1.0.0", 1},
 74		{"1.0.0", "nope", -1},
 75		{"nope", "still-bad", 0},
 76	}
 77	for _, c := range cases {
 78		got := Compare(c.a, c.b)
 79		uassert.Equal(t, c.want, got, c.a+" vs "+c.b)
 80	}
 81}
 82
 83func TestComparePreHelper(t *testing.T) {
 84	uassert.Equal(t, 0, comparePre(nil, nil), "both empty")
 85	uassert.Equal(t, 1, comparePre(nil, []string{"alpha"}), "release > prerelease")
 86	uassert.Equal(t, -1, comparePre([]string{"alpha"}, nil), "prerelease < release")
 87	uassert.Equal(t, -1, comparePre([]string{"1"}, []string{"alpha"}), "numeric id < alnum id")
 88	uassert.Equal(t, -1, comparePre([]string{"alpha"}, []string{"alpha", "1"}), "shorter < longer prefix")
 89}
 90
 91func TestParseNumHelper(t *testing.T) {
 92	n, ok := parseNum("0")
 93	uassert.True(t, ok, "0 is valid")
 94	uassert.Equal(t, 0, n, "0 value")
 95
 96	n, ok = parseNum("123")
 97	uassert.True(t, ok, "123 valid")
 98	uassert.Equal(t, 123, n, "123 value")
 99
100	_, ok = parseNum("00")
101	uassert.False(t, ok, "leading zero invalid")
102	_, ok = parseNum("12a")
103	uassert.False(t, ok, "non-digit invalid")
104	_, ok = parseNum("")
105	uassert.False(t, ok, "empty invalid")
106}