1 files changed, 148 insertions, 0 deletions
diff --git a/container-search/src/test/java/com/yahoo/search/federation/sourceref/SearchChainResolverTestCase.java b/container-search/src/test/java/com/yahoo/search/federation/sourceref/SearchChainResolverTestCase.java
new file mode 100644
index 00000000000..d9046075f38
--- /dev/null
+++ b/container-search/src/test/java/com/yahoo/search/federation/sourceref/SearchChainResolverTestCase.java
@@ -0,0 +1,148 @@
+// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.search.federation.sourceref;
+
+import com.yahoo.component.ComponentId;
+import com.yahoo.component.ComponentSpecification;
+import com.yahoo.processing.request.properties.PropertyMap;
+import com.yahoo.processing.request.Properties;
+import com.yahoo.search.searchchain.model.federation.FederationOptions;
+import org.junit.jupiter.api.Test;
+
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.SortedSet;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.fail;
+
+/**
+ * @author Tony Vaagenes
+ */
+public class SearchChainResolverTestCase {
+
+    private static final FederationOptions federationOptions =
+            new FederationOptions().setTimeoutInMilliseconds(3000).setOptional(true);
+
+    private static final ComponentId searchChainId = ComponentId.fromString("search-chain");
+    private static final ComponentId providerId = ComponentId.fromString("provider");
+    private static final ComponentId provider2Id = ComponentId.fromString("provider2");
+
+    private static final ComponentId sourceId = ComponentId.fromString("source");
+    private static final ComponentId sourceChainInProviderId =
+            ComponentId.fromString("source-chain").nestInNamespace(providerId);
+    private static final ComponentId sourceChainInProvider2Id =
+            ComponentId.fromString("source-chain").nestInNamespace(provider2Id);
+
+    private static final SearchChainResolver searchChainResolver;
+
+    static {
+        SearchChainResolver.Builder builder = new SearchChainResolver.Builder();
+        builder.addSearchChain(searchChainId, federationOptions.setUseByDefault(true), Collections.<String>emptyList());
+        builder.addSearchChain(providerId, federationOptions.setUseByDefault(false), Collections.<String>emptyList());
+        builder.addSourceForProvider(sourceId, providerId, sourceChainInProviderId, true,
+                federationOptions.setUseByDefault(true), Collections.<String>emptyList());
+        builder.addSourceForProvider(sourceId, provider2Id, sourceChainInProvider2Id, false,
+                federationOptions.setUseByDefault(false), Collections.<String>emptyList());
+
+        searchChainResolver = builder.build();
+    }
+
+    @Test
+    void check_default_search_chains() {
+        assertEquals(2, searchChainResolver.defaultTargets().size());
+
+        Iterator<Target> iterator = searchChainResolver.defaultTargets().iterator();
+        assertEquals(searchChainId.toString(), iterator.next().searchRefDescription());
+        assertEquals(sourceChainInProviderId.toString(), iterator.next().searchRefDescription());
+    }
+
+    @Test
+    void require_error_message_for_invalid_source() {
+        try {
+            resolve("no-such-source");
+            fail("Expected exception.");
+        } catch (UnresolvedSearchChainException e) {
+            assertEquals("Could not resolve source ref 'no-such-source'.", e.getMessage());
+        }
+    }
+
+    @Test
+    void lookup_search_chain() throws Exception {
+        SearchChainInvocationSpec res = resolve(searchChainId.getName());
+        assertEquals(searchChainId, res.searchChainId);
+    }
+
+    //TODO: TVT: @Test()
+    public void lookup_provider() throws Exception {
+        SearchChainInvocationSpec res = resolve(providerId.getName());
+        assertEquals(providerId, res.provider);
+        assertNull(res.source);
+        assertEquals(providerId, res.searchChainId);
+    }
+
+    @Test
+    void lookup_source() throws Exception {
+        SearchChainInvocationSpec res = resolve(sourceId.getName());
+        assertIsSourceInProvider(res);
+    }
+
+    @Test
+    void lookup_source_search_chain_directly() throws Exception {
+        SearchChainInvocationSpec res = resolve(sourceChainInProviderId.stringValue());
+        assertIsSourceInProvider(res);
+    }
+
+    private void assertIsSourceInProvider(SearchChainInvocationSpec res) {
+        assertEquals(providerId, res.provider);
+        assertEquals(sourceId, res.source);
+        assertEquals(sourceChainInProviderId, res.searchChainId);
+    }
+
+    @Test
+    void lookup_source_for_provider2() throws Exception {
+        SearchChainInvocationSpec res = resolve(sourceId.getName(), provider2Id.getName());
+        assertEquals(provider2Id, res.provider);
+        assertEquals(sourceId, res.source);
+        assertEquals(sourceChainInProvider2Id, res.searchChainId);
+    }
+
+    @Test
+    void lists_source_ref_description_for_top_level_targets() {
+        SortedSet<Target> topLevelTargets = searchChainResolver.allTopLevelTargets();
+        assertEquals(3, topLevelTargets.size());
+
+        Iterator<Target> i = topLevelTargets.iterator();
+        assertSearchRefDescriptionIs(i.next(), providerId.toString());
+        assertSearchRefDescriptionIs(i.next(), searchChainId.toString());
+        assertSearchRefDescriptionIs(i.next(), "source[provider = provider, provider2]");
+    }
+
+    private void assertSearchRefDescriptionIs(Target target, String expected) {
+        assertEquals(expected, target.searchRefDescription());
+    }
+
+    static Properties emptySourceToProviderMap() {
+        return new PropertyMap();
+    }
+
+    private SearchChainInvocationSpec resolve(String sourceSpecification) throws UnresolvedSearchChainException {
+        return resolve(sourceSpecification, emptySourceToProviderMap());
+    }
+
+    private SearchChainInvocationSpec resolve(String sourceSpecification, String providerSpecification)
+            throws UnresolvedSearchChainException {
+        Properties sourceToProviderMap = emptySourceToProviderMap();
+        sourceToProviderMap.set("source." + sourceSpecification + ".provider", providerSpecification);
+        return resolve(sourceSpecification, sourceToProviderMap);
+    }
+
+    private SearchChainInvocationSpec resolve(String sourceSpecification, Properties sourceToProviderMap)
+            throws UnresolvedSearchChainException {
+        SearchChainInvocationSpec res = searchChainResolver.resolve(
+                ComponentSpecification.fromString(sourceSpecification), sourceToProviderMap);
+        assertEquals(federationOptions, res.federationOptions);
+        return res;
+    }
+
+}