1 files changed, 75 insertions, 0 deletions
diff --git a/juniper/src/test/queryvisitor_test.cpp b/juniper/src/test/queryvisitor_test.cpp
new file mode 100644
index 00000000000..cc2d224e7d0
--- /dev/null
+++ b/juniper/src/test/queryvisitor_test.cpp
@@ -0,0 +1,75 @@
+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+#include <memory>
+#include <vespa/fastos/fastos.h>
+#include <vespa/log/log.h>
+LOG_SETUP("queryvisitor_test");
+#include <vespa/vespalib/testkit/testapp.h>
+
+#include <vespa/juniper/queryhandle.h>
+#include <vespa/juniper/queryvisitor.h>
+#include <vespa/vespalib/stllike/string.h>
+
+using namespace juniper;
+
+class MyQuery : public juniper::IQuery
+{
+private:
+    vespalib::string _term;
+
+public:
+    MyQuery(const vespalib::string &term) : _term(term) {}
+
+    virtual bool Traverse(IQueryVisitor* v) const override {
+        v->VisitKeyword(nullptr, _term.c_str(), _term.size());
+        return true;
+    }
+    virtual int Weight(const QueryItem*) const override {
+        return 0;
+    }
+    virtual ItemCreator Creator(const QueryItem*) const override {
+        return ItemCreator::CREA_ORIG;
+    }
+    virtual const char* Index(const QueryItem*, size_t*) const override {
+        return "my_index";
+    }
+    virtual bool UsefulIndex(const QueryItem*) const override {
+        return true;
+    }
+};
+
+struct Fixture
+{
+    MyQuery query;
+    QueryModifier modifier;
+    QueryHandle handle;
+    QueryVisitor visitor;
+    Fixture(const vespalib::string &term)
+        : query(term),
+          modifier(),
+          handle(query, "", modifier),
+          visitor(query, &handle, modifier)
+    {}
+};
+
+TEST_F("require that terms are picked up by the query visitor", Fixture("my_term"))
+{
+    auto query = std::unique_ptr<QueryExpr>(f.visitor.GetQuery());
+    ASSERT_TRUE(query != nullptr);
+    QueryNode *node = query->AsNode();
+    ASSERT_TRUE(node != nullptr);
+    EXPECT_EQUAL(1, node->_arity);
+    QueryTerm *term = node->_children[0]->AsTerm();
+    ASSERT_TRUE(term != nullptr);
+    EXPECT_EQUAL("my_term", vespalib::string(term->term()));
+}
+
+TEST_F("require that empty terms are ignored by the query visitor", Fixture(""))
+{
+    QueryExpr *query = f.visitor.GetQuery();
+    ASSERT_TRUE(query == nullptr);
+}
+
+TEST_MAIN()
+{
+    TEST_RUN_ALL();
+}