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Add == and != operators to range predicates

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Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Bjørn Erik Pedersen
2026-01-24 16:51:57 +01:00
committed by GitHub
parent 48566b6f37
commit 50973e7272
3 changed files with 43 additions and 0 deletions
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common/predicate/predicate.go
+14
View File
@@ -159,6 +159,8 @@ const (
rangeOpLTE
rangeOpGT
rangeOpGTE
rangeOpEQ
rangeOpNE
)
func cutRangeOp(s string) (op int, rest string) {
@@ -167,6 +169,10 @@ func cutRangeOp(s string) (op int, rest string) {
return rangeOpGTE, s[3:]
case strings.HasPrefix(s, "<= "):
return rangeOpLTE, s[3:]
case strings.HasPrefix(s, "== "):
return rangeOpEQ, s[3:]
case strings.HasPrefix(s, "!= "):
return rangeOpNE, s[3:]
case strings.HasPrefix(s, "> "):
return rangeOpGT, s[2:]
case strings.HasPrefix(s, "< "):
@@ -260,6 +266,14 @@ func NewIndexStringPredicateFromGlobsAndRanges(patterns []string, getIndex func(
p = p.And(func(s IndexString) Match {
return BoolMatch(s.Index >= i)
})
case rangeOpEQ:
p = p.And(func(s IndexString) Match {
return BoolMatch(s.Index == i)
})
case rangeOpNE:
p = p.And(func(s IndexString) Match {
return BoolMatch(s.Index != i)
})
}
} else {
g, err := getGlob(pattern)
common/predicate/predicate_test.go
+21
View File
@@ -224,6 +224,27 @@ func TestNewIndexStringPredicateFromGlobsAndRanges(t *testing.T) {
m = n(">= v99.0.0")
c.Assert(m(is(0)), qt.IsFalse)
c.Assert(m(is(3)), qt.IsFalse)
// Test == v2.0.0: should only match v2.0.0
m = n("== v2.0.0")
c.Assert(m(is(0)), qt.IsFalse) // v4.0.0
c.Assert(m(is(1)), qt.IsFalse) // v3.0.0
c.Assert(m(is(2)), qt.IsTrue) // v2.0.0
c.Assert(m(is(3)), qt.IsFalse) // v1.0.0
// Test != v2.0.0: should match everything except v2.0.0
m = n("!= v2.0.0")
c.Assert(m(is(0)), qt.IsTrue) // v4.0.0
c.Assert(m(is(1)), qt.IsTrue) // v3.0.0
c.Assert(m(is(2)), qt.IsFalse) // v2.0.0
c.Assert(m(is(3)), qt.IsTrue) // v1.0.0
// Test != with range: >= v2.0.0 AND != v3.0.0
m = n(">= v2.0.0", "!= v3.0.0")
c.Assert(m(is(0)), qt.IsTrue) // v4.0.0
c.Assert(m(is(1)), qt.IsFalse) // v3.0.0 - excluded by !=
c.Assert(m(is(2)), qt.IsTrue) // v2.0.0
c.Assert(m(is(3)), qt.IsFalse) // v1.0.0 - out of range
}
func BenchmarkPredicate(b *testing.B) {
common/predicate/rangeop_test.go
+8
View File
@@ -38,6 +38,14 @@ func TestCutRangeOp(t *testing.T) {
c.Assert(op, qt.Equals, rangeOpLT)
c.Assert(rest, qt.Equals, "value")
op, rest = cutRangeOp("== value")
c.Assert(op, qt.Equals, rangeOpEQ)
c.Assert(rest, qt.Equals, "value")
op, rest = cutRangeOp("!= value")
c.Assert(op, qt.Equals, rangeOpNE)
c.Assert(rest, qt.Equals, "value")
op, rest = cutRangeOp("value")
c.Assert(op, qt.Equals, rangeOpNone)
c.Assert(rest, qt.Equals, "value")