Add unit test for gid to lid change listener.

5 files changed, 118 insertions, 0 deletions

diff --git a/searchcore/CMakeLists.txt b/searchcore/CMakeLists.txt
index 7546389aeb6..e98e1af15e6 100644
--- a/searchcore/CMakeLists.txt
+++ b/searchcore/CMakeLists.txt
@@ -117,6 +117,7 @@ vespa_define_module(
     src/tests/proton/persistenceconformance
     src/tests/proton/persistenceengine
     src/tests/proton/proton
+    src/tests/proton/reference/gid_to_lid_change_listener
     src/tests/proton/reference/gid_to_lid_mapper
     src/tests/proton/reference/document_db_referent_registry
     src/tests/proton/reprocessing/attribute_reprocessing_initializer
diff --git a/searchcore/src/tests/proton/reference/gid_to_lid_change_listener/CMakeLists.txt b/searchcore/src/tests/proton/reference/gid_to_lid_change_listener/CMakeLists.txt
new file mode 100644
index 00000000000..f51f0110f7f
--- /dev/null
+++ b/searchcore/src/tests/proton/reference/gid_to_lid_change_listener/CMakeLists.txt
@@ -0,0 +1,10 @@
+# Copyright 2017 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+vespa_add_executable(searchcore_gid_to_lid_change_listener_test_app TEST
+    SOURCES
+    gid_to_lid_change_listener_test.cpp
+    DEPENDS
+    searchcore_reference
+    searchcore_documentmetastore
+    searchcore_bucketdb
+)
+vespa_add_test(NAME searchcore_gid_to_lid_change_listener_test_app COMMAND searchcore_gid_to_lid_change_listener_test_app)
diff --git a/searchcore/src/tests/proton/reference/gid_to_lid_change_listener/DESC b/searchcore/src/tests/proton/reference/gid_to_lid_change_listener/DESC
new file mode 100644
index 00000000000..ab26dd60a1b
--- /dev/null
+++ b/searchcore/src/tests/proton/reference/gid_to_lid_change_listener/DESC
@@ -0,0 +1 @@
+gid_to_lid_change_listener test. Take a look at gid_to_lid_change_listener_test.cpp for details.
diff --git a/searchcore/src/tests/proton/reference/gid_to_lid_change_listener/FILES b/searchcore/src/tests/proton/reference/gid_to_lid_change_listener/FILES
new file mode 100644
index 00000000000..ad1848502a5
--- /dev/null
+++ b/searchcore/src/tests/proton/reference/gid_to_lid_change_listener/FILES
@@ -0,0 +1 @@
+gid_to_lid_change_listener_test.cpp
diff --git a/searchcore/src/tests/proton/reference/gid_to_lid_change_listener/gid_to_lid_change_listener_test.cpp b/searchcore/src/tests/proton/reference/gid_to_lid_change_listener/gid_to_lid_change_listener_test.cpp
new file mode 100644
index 00000000000..fb762bd0d44
--- /dev/null
+++ b/searchcore/src/tests/proton/reference/gid_to_lid_change_listener/gid_to_lid_change_listener_test.cpp
@@ -0,0 +1,105 @@
+// Copyright 2017 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+#include <vespa/vespalib/testkit/testapp.h>
+#include <vespa/vespalib/stllike/string.h>
+#include <vespa/document/base/documentid.h>
+#include <vespa/searchlib/common/sequencedtaskexecutor.h>
+#include <vespa/searchcore/proton/common/monitored_refcount.h>
+#include <vespa/searchcore/proton/reference/gid_to_lid_change_listener.h>
+#include <vespa/log/log.h>
+LOG_SETUP("gid_to_lid_change_listener_test");
+
+using document::GlobalId;
+using document::BucketId;
+using document::DocumentId;
+using vespalib::GenerationHandler;
+using search::attribute::Config;
+using search::attribute::BasicType;
+using search::attribute::ReferenceAttribute;
+
+namespace proton {
+
+namespace {
+
+GlobalId toGid(vespalib::stringref docId) {
+    return DocumentId(docId).getGlobalId();
+}
+
+vespalib::string doc1("id:test:music::1");
+vespalib::string doc2("id:test:music::2");
+vespalib::string doc3("id:test:music::3");
+
+}
+
+struct Fixture
+{
+    std::shared_ptr<ReferenceAttribute> _attr;
+    search::SequencedTaskExecutor _writer;
+    MonitoredRefCount _refCount;
+    std::unique_ptr<GidToLidChangeListener>  _listener;
+
+    Fixture()
+        : _attr(std::make_shared<ReferenceAttribute>("test", Config(BasicType::REFERENCE))),
+          _writer(1),
+          _refCount(),
+          _listener()
+    {
+    }
+
+    void ensureDocIdLimit(uint32_t docIdLimit) {
+        while (_attr->getNumDocs() < docIdLimit) {
+            uint32_t newDocId = 0u;
+            _attr->addDoc(newDocId);
+            _attr->commit();
+        }
+    }
+
+    void set(uint32_t doc, const GlobalId &gid) {
+        _attr->update(doc, gid);
+    }
+
+    void commit() { _attr->commit(); }
+
+    const ReferenceAttribute::Reference *getRef(uint32_t doc) {
+        return _attr->getReference(doc);
+    }
+
+    void assertRefLid(uint32_t expLid, uint32_t doc) {
+        auto ref = getRef(doc);
+        EXPECT_TRUE(ref != nullptr);
+        EXPECT_EQUAL(expLid, ref->lid());
+    }
+
+    void allocListener() {
+        _listener = std::make_unique<GidToLidChangeListener>(_writer, _attr, _refCount);
+    }
+
+    void notifyGidToLidChange(const GlobalId &gid, uint32_t referencedDoc) {
+        _listener->notifyGidToLidChange(gid, referencedDoc);
+    }
+};
+
+TEST_F("Test that we can use gid to lid change listener", Fixture)
+{
+    f.ensureDocIdLimit(4);
+    f.set(1, toGid(doc1));
+    f.set(2, toGid(doc2));
+    f.set(3, toGid(doc1));
+    f.commit();
+    TEST_DO(f.assertRefLid(0, 1));
+    TEST_DO(f.assertRefLid(0, 2));
+    TEST_DO(f.assertRefLid(0, 3));
+    f.allocListener();
+    f.notifyGidToLidChange(toGid(doc1), 10);
+    f.notifyGidToLidChange(toGid(doc2), 20);
+    f.notifyGidToLidChange(toGid(doc3), 30);
+    TEST_DO(f.assertRefLid(10, 1));
+    TEST_DO(f.assertRefLid(20, 2));
+    TEST_DO(f.assertRefLid(10, 3));
+}
+
+}
+
+TEST_MAIN()
+{
+    TEST_RUN_ALL();
+}