1 files changed, 79 insertions, 0 deletions
diff --git a/config-provisioning/src/main/java/com/yahoo/config/provision/zone/ZoneFilterMock.java b/config-provisioning/src/main/java/com/yahoo/config/provision/zone/ZoneFilterMock.java
new file mode 100644
index 00000000000..675b770dc29
--- /dev/null
+++ b/config-provisioning/src/main/java/com/yahoo/config/provision/zone/ZoneFilterMock.java
@@ -0,0 +1,79 @@
+// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.config.provision.zone;
+
+import com.yahoo.config.provision.Environment;
+import com.yahoo.config.provision.RegionName;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.function.Predicate;
+import java.util.stream.Collectors;
+
+/**
+ * A ZoneList implementation which assumes all zones are controllerManaged.
+ *
+ * @author jonmv
+ */
+public class ZoneFilterMock implements ZoneList {
+
+    private final List<ZoneId> zones;
+    private final boolean negate;
+
+    private ZoneFilterMock(List<ZoneId> zones, boolean negate) {
+        this.negate = negate;
+        this.zones = zones;
+    }
+
+    public static ZoneFilter from(Collection<ZoneId> zones) {
+        return new ZoneFilterMock(new ArrayList<>(zones), false);
+    }
+
+    @Override
+    public ZoneList not() {
+        return new ZoneFilterMock(zones, ! negate);
+    }
+
+    @Override
+    public ZoneList all() {
+        return filter(zoneId -> true);
+    }
+
+    @Override
+    public ZoneList controllerUpgraded() {
+        return all();
+    }
+
+    @Override
+    public ZoneList reachable() {
+        return all();
+    }
+
+    @Override
+    public ZoneList in(Environment... environments) {
+        return filter(zoneId -> new HashSet<>(Arrays.asList(environments)).contains(zoneId.environment()));
+    }
+
+    @Override
+    public ZoneList in(RegionName... regions) {
+        return filter(zoneId -> new HashSet<>(Arrays.asList(regions)).contains(zoneId.region()));
+    }
+
+    @Override
+    public ZoneList among(ZoneId... zones) {
+        return filter(zoneId -> new HashSet<>(Arrays.asList(zones)).contains(zoneId));
+    }
+
+    @Override
+    public List<ZoneId> ids() {
+        return Collections.unmodifiableList(zones);
+    }
+
+    private ZoneFilterMock filter(Predicate<ZoneId> condition) {
+        return new ZoneFilterMock(zones.stream().filter(negate ? condition.negate() : condition).collect(Collectors.toList()), false);
+    }
+
+}