feat: evolve rate-filter to a more generic filter

internal/automation/match_test.go

@@ -0,0 +1,44 @@
+package automation
+
+import "testing"
+
+func TestMatchProxies_NamePattern(t *testing.T) {
+	proxies := []ProxyRef{
+		{OriginalName: "HK 01 | 1.0x", DisplayName: "sub-a | HK 01 | 1.0x", Subscription: "sub-a"},
+		{OriginalName: "HK 02 | 2.5x", DisplayName: "sub-a | HK 02 | 2.5x", Subscription: "sub-a"},
+		{OriginalName: "SG 01 | 0.5x", DisplayName: "sub-b | SG 01 | 0.5x", Subscription: "sub-b"},
+	}
+
+	matched, err := matchProxies(proxies, MatchRule{NamePattern: `^HK \d+`})
+	if err != nil {
+		t.Fatalf("matchProxies() error = %v", err)
+	}
+	if len(matched) != 2 {
+		t.Fatalf("expected 2 matches, got %#v", matched)
+	}
+}
+
+func TestMatchProxies_NamePatternAndOtherDimensionsAreANDed(t *testing.T) {
+	proxies := []ProxyRef{
+		{OriginalName: "HK 01 | 1.0x", DisplayName: "sub-a | HK 01 | 1.0x", Subscription: "sub-a"},
+		{OriginalName: "HK 02 | 2.5x", DisplayName: "sub-b | HK 02 | 2.5x", Subscription: "sub-b"},
+	}
+
+	matched, err := matchProxies(proxies, MatchRule{
+		Subscriptions: []string{"sub-a"},
+		NamePattern:   `^HK`,
+	})
+	if err != nil {
+		t.Fatalf("matchProxies() error = %v", err)
+	}
+	if len(matched) != 1 || matched[0].DisplayName != "sub-a | HK 01 | 1.0x" {
+		t.Fatalf("unexpected matches: %#v", matched)
+	}
+}
+
+func TestMatchProxies_InvalidNamePattern(t *testing.T) {
+	_, err := matchProxies(nil, MatchRule{NamePattern: "("})
+	if err == nil {
+		t.Fatal("expected error for invalid name-pattern regexp, got nil")
+	}
+}