added test to lookup file

test/webfuse/mocks/lookup_matcher.hpp

@@ -0,0 +1,50 @@
+#ifndef WF_LOOKUP_MATCHER_HPP
+#define WF_LOOKUP_MATCHER_HPP
+
+#include <gmock/gmock.h>
+#include <jansson.h>
+#include <cstring>
+
+namespace webfuse_test
+{
+
+MATCHER_P2(Lookup, parent, name, "")
+{
+    if (!json_is_array(arg))
+    { 
+        *result_listener << "json array expected";
+        return false;
+    }
+    
+    json_t * parent_ = json_array_get(arg, 1);
+    if (!json_is_integer(parent_))
+    {
+        *result_listener << "parent is expected to be an integer";
+        return false;
+    }
+    if (parent != json_integer_value(parent_))
+    {
+        *result_listener << "parent mismatch: expected " << parent
+            << " but was " << json_integer_value(parent_); 
+        return false;
+    }
+
+    json_t * name_ = json_array_get(arg, 2);
+    if (!json_is_string(name_))
+    {
+        *result_listener << "name is expected to be a string";
+        return false;
+    }
+    if (0 != strcmp(name, json_string_value(name_)))
+    {
+        *result_listener << "name mismatch: expected \"" << name
+            << "\" but was \"" << json_string_value(name_) << "\""; 
+        return false;
+    }
+
+    return true;
+}
+
+}
+
+#endif