SERVER-22632 Split up document_source.h into one header per stage.

1 files changed, 97 insertions, 0 deletions

diff --git a/src/mongo/db/pipeline/document_source_mock.h b/src/mongo/db/pipeline/document_source_mock.h
new file mode 100644
index 00000000000..7a600483661
--- /dev/null
+++ b/src/mongo/db/pipeline/document_source_mock.h
@@ -0,0 +1,97 @@
+/**
+ * Copyright (C) 2016 MongoDB 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/>.
+ *
+ * As a special exception, the copyright holders give permission to link the
+ * code of portions of this program with the OpenSSL library under certain
+ * conditions as described in each individual source file and distribute
+ * linked combinations including the program with the OpenSSL library. You
+ * must comply with the GNU Affero General Public License in all respects
+ * for all of the code used other than as permitted herein. If you modify
+ * file(s) with this exception, you may extend this exception to your
+ * version of the file(s), but you are not obligated to do so. If you do not
+ * wish to do so, delete this exception statement from your version. If you
+ * delete this exception statement from all source files in the program,
+ * then also delete it in the license file.
+ */
+
+#pragma once
+
+#include <deque>
+
+#include "mongo/db/pipeline/document_source.h"
+
+namespace mongo {
+
+/**
+ * Used in testing to store documents without using the storage layer. Methods are not marked as
+ * final in order to allow tests to intercept calls if needed.
+ */
+class DocumentSourceMock : public DocumentSource {
+public:
+    DocumentSourceMock(std::deque<GetNextResult> results);
+    DocumentSourceMock(std::deque<GetNextResult> results,
+                       const boost::intrusive_ptr<ExpressionContext>& expCtx);
+
+    GetNextResult getNext() override;
+    const char* getSourceName() const override;
+    Value serialize(bool explain = false) const override;
+    void dispose() override;
+    bool isValidInitialSource() const override {
+        return true;
+    }
+    BSONObjSet getOutputSorts() override {
+        return sorts;
+    }
+
+    static boost::intrusive_ptr<DocumentSourceMock> create();
+
+    static boost::intrusive_ptr<DocumentSourceMock> create(Document doc);
+
+    static boost::intrusive_ptr<DocumentSourceMock> create(const GetNextResult& result);
+    static boost::intrusive_ptr<DocumentSourceMock> create(std::deque<GetNextResult> results);
+
+    static boost::intrusive_ptr<DocumentSourceMock> create(const char* json);
+    static boost::intrusive_ptr<DocumentSourceMock> create(
+        const std::initializer_list<const char*>& jsons);
+
+    void reattachToOperationContext(OperationContext* opCtx) {
+        isDetachedFromOpCtx = false;
+    }
+
+    void detachFromOperationContext() {
+        isDetachedFromOpCtx = true;
+    }
+
+    boost::intrusive_ptr<DocumentSource> optimize() override {
+        isOptimized = true;
+        return this;
+    }
+
+    void doInjectExpressionContext() override {
+        isExpCtxInjected = true;
+    }
+
+    // Return documents from front of queue.
+    std::deque<GetNextResult> queue;
+
+    bool isDisposed = false;
+    bool isDetachedFromOpCtx = false;
+    bool isOptimized = false;
+    bool isExpCtxInjected = false;
+
+    BSONObjSet sorts;
+};
+
+}  // namespace mongo