Merge pull request #2 from aalmog333/feature/new-matcher-some

add new matcher some

Author: RiiD

matcher/some.go

@@ -0,0 +1,19 @@
+package matcher
+
+import (
+	"github.com/riid/messenger"
+)
+
+func Some(matchers ...messenger.Matcher) messenger.Matcher {
+	return MatchFunc(
+		func(e messenger.Envelope) bool {
+			for _, m := range matchers {
+				if m.Matches(e) {
+					return true
+				}
+			}
+
+			return false
+		},
+	)
+}

matcher/some_test.go

@@ -0,0 +1,61 @@
+package matcher
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/riid/messenger"
+	"github.com/riid/messenger/envelope"
+)
+
+func TestSome(t *testing.T) {
+	positive := &matcherStub{true}
+	negative := &matcherStub{false}
+	e := envelope.FromMessage([]byte{})
+
+	type testCase struct {
+		matchers []messenger.Matcher
+		expected bool
+	}
+
+	suite := map[string]testCase{
+		"no matchers": {
+			expected: false,
+		},
+		"all positive matchers": {
+			matchers: []messenger.Matcher{
+				positive,
+				positive,
+			},
+			expected: true,
+		},
+		"all negative matchers": {
+			matchers: []messenger.Matcher{
+				negative,
+				negative,
+			},
+			expected: false,
+		},
+		"one negative matcher": {
+			matchers: []messenger.Matcher{
+				positive,
+				negative,
+				positive,
+			},
+			expected: true,
+		},
+	}
+
+	for name, tc := range suite {
+		tc := tc
+		t.Run(
+			name, func(t *testing.T) {
+				t.Parallel()
+
+				m := Some(tc.matchers...)
+				assert.Equal(t, tc.expected, m.Matches(e))
+			},
+		)
+	}
+}