From ae1ecd9c786911f9f1f0242f0f7d702b3e5dfeba Mon Sep 17 00:00:00 2001
From: Eliot Horowitz <eliot@10gen.com>
Date: Sat, 24 Dec 2011 15:33:26 -0500
Subject: bulk move of code to src/ SERVER-4551

---
 src/mongo/dbtests/counttests.cpp | 142 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 142 insertions(+)
 create mode 100644 src/mongo/dbtests/counttests.cpp

(limited to 'src/mongo/dbtests/counttests.cpp')

diff --git a/src/mongo/dbtests/counttests.cpp b/src/mongo/dbtests/counttests.cpp
new file mode 100644
index 00000000000..0d2575f14e3
--- /dev/null
+++ b/src/mongo/dbtests/counttests.cpp
@@ -0,0 +1,142 @@
+// counttests.cpp : count.{h,cpp} unit tests.
+
+/**
+ *    Copyright (C) 2008 10gen Inc.
+ *
+ *    This program is free software: you can redistribute it and/or  modify
+ *    it under the terms of the GNU Affero General Public License, version 3,
+ *    as published by the Free Software Foundation.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "../db/ops/count.h"
+
+#include "../db/cursor.h"
+#include "../db/pdfile.h"
+
+#include "dbtests.h"
+
+namespace CountTests {
+
+    class Base {
+        dblock lk;
+        Client::Context _context;
+    public:
+        Base() : _context( ns() ) {
+            addIndex( fromjson( "{\"a\":1}" ) );
+        }
+        ~Base() {
+            try {
+                boost::shared_ptr<Cursor> c = theDataFileMgr.findAll( ns() );
+                vector< DiskLoc > toDelete;
+                for(; c->ok(); c->advance() )
+                    toDelete.push_back( c->currLoc() );
+                for( vector< DiskLoc >::iterator i = toDelete.begin(); i != toDelete.end(); ++i )
+                    theDataFileMgr.deleteRecord( ns(), i->rec(), *i, false );
+                DBDirectClient cl;
+                cl.dropIndexes( ns() );
+            }
+            catch ( ... ) {
+                FAIL( "Exception while cleaning up collection" );
+            }
+        }
+    protected:
+        static const char *ns() {
+            return "unittests.counttests";
+        }
+        static void addIndex( const BSONObj &key ) {
+            BSONObjBuilder b;
+            b.append( "name", key.firstElementFieldName() );
+            b.append( "ns", ns() );
+            b.append( "key", key );
+            BSONObj o = b.done();
+            stringstream indexNs;
+            indexNs << "unittests.system.indexes";
+            theDataFileMgr.insert( indexNs.str().c_str(), o.objdata(), o.objsize() );
+        }
+        static void insert( const char *s ) {
+            insert( fromjson( s ) );
+        }
+        static void insert( const BSONObj &o ) {
+            theDataFileMgr.insert( ns(), o.objdata(), o.objsize() );
+        }
+    };
+    
+    class CountBasic : public Base {
+    public:
+        void run() {
+            insert( "{\"a\":\"b\"}" );
+            BSONObj cmd = fromjson( "{\"query\":{}}" );
+            string err;
+            ASSERT_EQUALS( 1, runCount( ns(), cmd, err ) );
+        }
+    };
+    
+    class CountQuery : public Base {
+    public:
+        void run() {
+            insert( "{\"a\":\"b\"}" );
+            insert( "{\"a\":\"b\",\"x\":\"y\"}" );
+            insert( "{\"a\":\"c\"}" );
+            BSONObj cmd = fromjson( "{\"query\":{\"a\":\"b\"}}" );
+            string err;
+            ASSERT_EQUALS( 2, runCount( ns(), cmd, err ) );
+        }
+    };
+    
+    class CountFields : public Base {
+    public:
+        void run() {
+            insert( "{\"a\":\"b\"}" );
+            insert( "{\"c\":\"d\"}" );
+            BSONObj cmd = fromjson( "{\"query\":{},\"fields\":{\"a\":1}}" );
+            string err;
+            ASSERT_EQUALS( 2, runCount( ns(), cmd, err ) );
+        }
+    };
+    
+    class CountQueryFields : public Base {
+    public:
+        void run() {
+            insert( "{\"a\":\"b\"}" );
+            insert( "{\"a\":\"c\"}" );
+            insert( "{\"d\":\"e\"}" );
+            BSONObj cmd = fromjson( "{\"query\":{\"a\":\"b\"},\"fields\":{\"a\":1}}" );
+            string err;
+            ASSERT_EQUALS( 1, runCount( ns(), cmd, err ) );
+        }
+    };
+    
+    class CountIndexedRegex : public Base {
+    public:
+        void run() {
+            insert( "{\"a\":\"b\"}" );
+            insert( "{\"a\":\"c\"}" );
+            BSONObj cmd = fromjson( "{\"query\":{\"a\":/^b/}}" );
+            string err;
+            ASSERT_EQUALS( 1, runCount( ns(), cmd, err ) );
+        }
+    };
+    
+    class All : public Suite {
+    public:
+        All() : Suite( "count" ) {
+        }
+        
+        void setupTests() {
+            add< CountBasic >();
+            add< CountQuery >();
+            add< CountFields >();
+            add< CountQueryFields >();
+            add< CountIndexedRegex >();
+        }
+    } myall;
+    
+} // namespace CountTests
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