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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package version
import (
"fmt"
"testing"
"github.com/stretchr/testify/assert"
)
func TestParse(t *testing.T) {
_, err := Parse("foo")
assert.NotNil(t, err)
v, err := Parse("1.2.3")
assert.Nil(t, err)
assert.Equal(t, "1.2.3", v.String())
v, err = Parse("v4.5.6")
assert.Nil(t, err)
assert.Equal(t, "4.5.6", v.String())
v, err = Parse("1.2.3-foo")
assert.Nil(t, err)
assert.Equal(t, "1.2.3-foo", v.String())
}
func TestIsZero(t *testing.T) {
v, err := Parse("0.0.0")
assert.Nil(t, err)
assert.True(t, v.IsZero())
v, err = Parse("0.0.0-foo")
assert.Nil(t, err)
assert.True(t, v.IsZero())
v, err = Parse("1.2.3")
assert.Nil(t, err)
assert.False(t, v.IsZero())
}
func TestCompare(t *testing.T) {
assertComparison(t, "1.2.3", '>', "1.0.0")
assertComparison(t, "1.0.0", '<', "1.2.3")
assertComparison(t, "1.2.3", '=', "1.2.3")
assertComparison(t, "1.2.3", '>', "1.2.0")
assertComparison(t, "1.2.0", '<', "1.2.3")
assertComparison(t, "1.2.3", '>', "1.2.0")
assertComparison(t, "1.0.3", '<', "1.2.3")
assertComparison(t, "1.2.3", '>', "1.1.4")
assertComparison(t, "1.1.4", '<', "1.2.3")
assertComparison(t, "2.0.0", '>', "1.2.3")
assertComparison(t, "1.2.3", '<', "2.0.0")
assertComparison(t, "1.2.3-alpha1", '<', "1.2.3")
assertComparison(t, "1.2.3", '>', "1.2.3-alpha1")
assertComparison(t, "1.2.3-alpha1", '=', "1.2.3-alpha1")
assertComparison(t, "1.2.3-alpha1", '<', "1.2.3-alpha2")
assertComparison(t, "1.2.3-alpha2", '>', "1.2.3-alpha1")
}
func assertComparison(t *testing.T, s1 string, cmp rune, s2 string) {
v1, err := Parse(s1)
assert.Nil(t, err)
v2, err := Parse(s2)
assert.Nil(t, err)
result := v1.Compare(v2)
switch cmp {
case '<':
assert.True(t, result < 0, fmt.Sprintf("%s is less than %s", v1, v2))
case '>':
assert.True(t, result > 0, fmt.Sprintf("%s is greater than %s", v1, v2))
case '=':
assert.True(t, result == 0, fmt.Sprintf("%s is equal to %s", v1, v2))
default:
t.Fatal("invalid comparator: %r", cmp)
}
}
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