src: Reorganizing source code in preparation to merge NRD code

Note that as of this commit, there are several changes in location of
compiled binaries in `build/` folder:

* `nfd` has been moved to `build/bin/nfd`
* `unit-tests` has been split into `unit-tests-core` and `unit-tests-daemon`

Change-Id: I2c830c117879edbaa5457d6423c13f0273285919
Refs: #1486
diff --git a/tests/core/config-file.cpp b/tests/core/config-file.cpp
new file mode 100644
index 0000000..bb75b77
--- /dev/null
+++ b/tests/core/config-file.cpp
@@ -0,0 +1,367 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014  Regents of the University of California,
+ *                     Arizona Board of Regents,
+ *                     Colorado State University,
+ *                     University Pierre & Marie Curie, Sorbonne University,
+ *                     Washington University in St. Louis,
+ *                     Beijing Institute of Technology
+ *
+ * This file is part of NFD (Named Data Networking Forwarding Daemon).
+ * See AUTHORS.md for complete list of NFD authors and contributors.
+ *
+ * NFD is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * NFD 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * NFD, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+#include "core/config-file.hpp"
+
+#include "tests/test-common.hpp"
+
+#include <fstream>
+
+namespace nfd {
+namespace tests {
+
+NFD_LOG_INIT("ConfigFileTest");
+
+BOOST_FIXTURE_TEST_SUITE(MgmtConfigFile, BaseFixture)
+
+// a
+// {
+//    akey "avalue"
+// }
+// b
+// {
+//   bkey "bvalue"
+// }
+
+const std::string CONFIG =
+"a\n"
+"{\n"
+"        akey \"avalue\"\n"
+"}\n"
+"b\n"
+"{\n"
+"        bkey \"bvalue\"\n"
+"}\n";
+
+
+// a
+// {
+//    akey "avalue"
+// }
+// b
+//
+//   bkey "bvalue"
+// }
+
+const std::string MALFORMED_CONFIG =
+"a\n"
+"{\n"
+"        akey \"avalue\"\n"
+"}\n"
+"b\n"
+"\n"
+"        bkey \"bvalue\"\n"
+"}\n";
+
+// counts of the respective section counts in config_example.info
+
+const int CONFIG_N_A_SECTIONS = 1;
+const int CONFIG_N_B_SECTIONS = 1;
+
+class DummySubscriber
+{
+public:
+
+  DummySubscriber(ConfigFile& config,
+                  int nASections,
+                  int nBSections,
+                  bool expectDryRun)
+    : m_nASections(nASections),
+      m_nBSections(nBSections),
+      m_nRemainingACallbacks(nASections),
+      m_nRemainingBCallbacks(nBSections),
+      m_expectDryRun(expectDryRun)
+  {
+
+  }
+
+  void
+  onA(const ConfigSection& section, bool isDryRun)
+  {
+    // NFD_LOG_DEBUG("a");
+    BOOST_CHECK_EQUAL(isDryRun, m_expectDryRun);
+    --m_nRemainingACallbacks;
+  }
+
+
+  void
+  onB(const ConfigSection& section, bool isDryRun)
+  {
+    // NFD_LOG_DEBUG("b");
+    BOOST_CHECK_EQUAL(isDryRun, m_expectDryRun);
+    --m_nRemainingBCallbacks;
+  }
+
+  bool
+  allCallbacksFired() const
+  {
+    return m_nRemainingACallbacks == 0 &&
+      m_nRemainingBCallbacks == 0;
+  }
+
+  bool
+  noCallbacksFired() const
+  {
+    return m_nRemainingACallbacks == m_nASections &&
+      m_nRemainingBCallbacks == m_nBSections;
+  }
+
+  virtual
+  ~DummySubscriber()
+  {
+
+  }
+
+private:
+  int m_nASections;
+  int m_nBSections;
+  int m_nRemainingACallbacks;
+  int m_nRemainingBCallbacks;
+  bool m_expectDryRun;
+};
+
+class DummyAllSubscriber : public DummySubscriber
+{
+public:
+  DummyAllSubscriber(ConfigFile& config, bool expectDryRun=false)
+    : DummySubscriber(config,
+                      CONFIG_N_A_SECTIONS,
+                      CONFIG_N_B_SECTIONS,
+                      expectDryRun)
+  {
+    config.addSectionHandler("a", bind(&DummySubscriber::onA, this, _1, _2));
+    config.addSectionHandler("b", bind(&DummySubscriber::onB, this, _1, _2));
+  }
+
+  virtual
+  ~DummyAllSubscriber()
+  {
+
+  }
+};
+
+class DummyOneSubscriber : public DummySubscriber
+{
+public:
+  DummyOneSubscriber(ConfigFile& config,
+                     const std::string& sectionName,
+                     bool expectDryRun=false)
+    : DummySubscriber(config,
+                      (sectionName == "a"),
+                      (sectionName == "b"),
+                      expectDryRun)
+  {
+    if (sectionName == "a")
+      {
+        config.addSectionHandler(sectionName, bind(&DummySubscriber::onA, this, _1, _2));
+      }
+    else if (sectionName == "b")
+      {
+        config.addSectionHandler(sectionName, bind(&DummySubscriber::onB, this, _1, _2));
+      }
+    else
+      {
+        BOOST_FAIL("Test setup error: "
+                   << "Unexpected section name "
+                   <<"\"" << sectionName << "\"");
+      }
+
+  }
+
+  virtual
+  ~DummyOneSubscriber()
+  {
+
+  }
+};
+
+class DummyNoSubscriber : public DummySubscriber
+{
+public:
+  DummyNoSubscriber(ConfigFile& config, bool expectDryRun)
+    : DummySubscriber(config, 0, 0, expectDryRun)
+  {
+
+  }
+
+  virtual
+  ~DummyNoSubscriber()
+  {
+
+  }
+};
+
+BOOST_AUTO_TEST_CASE(OnConfigStream)
+{
+  ConfigFile file;
+  DummyAllSubscriber sub(file);
+  std::ifstream input;
+
+  input.open("tests/core/config_example.info");
+  BOOST_REQUIRE(input.is_open());
+
+  file.parse(input, false, "config_example.info");
+  BOOST_CHECK(sub.allCallbacksFired());
+}
+
+BOOST_AUTO_TEST_CASE(OnConfigStreamEmptyStream)
+{
+  ConfigFile file;
+  DummyAllSubscriber sub(file);
+
+  std::ifstream input;
+
+  BOOST_CHECK_THROW(file.parse(input, false, "unknown"), ConfigFile::Error);
+  BOOST_CHECK(sub.noCallbacksFired());
+}
+
+
+BOOST_AUTO_TEST_CASE(OnConfigString)
+{
+  ConfigFile file;
+  DummyAllSubscriber sub(file);
+
+  file.parse(CONFIG, false, "dummy-config");
+
+  BOOST_CHECK(sub.allCallbacksFired());
+}
+
+BOOST_AUTO_TEST_CASE(OnConfigStringEmpty)
+{
+  ConfigFile file;
+  DummyAllSubscriber sub(file);
+
+  BOOST_CHECK_THROW(file.parse(std::string(), false, "dummy-config"), ConfigFile::Error);
+  BOOST_CHECK(sub.noCallbacksFired());
+}
+
+BOOST_AUTO_TEST_CASE(OnConfigStringMalformed)
+{
+  ConfigFile file;
+  DummyAllSubscriber sub(file);
+
+  BOOST_CHECK_THROW(file.parse(MALFORMED_CONFIG, false, "dummy-config"), ConfigFile::Error);
+  BOOST_CHECK(sub.noCallbacksFired());
+}
+
+BOOST_AUTO_TEST_CASE(OnConfigStringDryRun)
+{
+  ConfigFile file;
+  DummyAllSubscriber sub(file, true);
+
+  file.parse(CONFIG, true, "dummy-config");
+
+  BOOST_CHECK(sub.allCallbacksFired());
+}
+
+BOOST_AUTO_TEST_CASE(OnConfigFilename)
+{
+  ConfigFile file;
+  DummyAllSubscriber sub(file);
+
+  file.parse("tests/core/config_example.info", false);
+
+  BOOST_CHECK(sub.allCallbacksFired());
+}
+
+BOOST_AUTO_TEST_CASE(OnConfigFilenameNoFile)
+{
+  ConfigFile file;
+  DummyAllSubscriber sub(file);
+
+  BOOST_CHECK_THROW(file.parse("i_made_this_up.info", false), ConfigFile::Error);
+
+  BOOST_CHECK(sub.noCallbacksFired());
+}
+
+BOOST_AUTO_TEST_CASE(OnConfigFilenameMalformed)
+{
+  ConfigFile file;
+  DummyAllSubscriber sub(file);
+
+  BOOST_CHECK_THROW(file.parse("tests/core/config_malformed.info", false), ConfigFile::Error);
+
+  BOOST_CHECK(sub.noCallbacksFired());
+}
+
+BOOST_AUTO_TEST_CASE(OnConfigStreamDryRun)
+{
+  ConfigFile file;
+  DummyAllSubscriber sub(file, true);
+  std::ifstream input;
+
+  input.open("tests/core/config_example.info");
+  BOOST_REQUIRE(input.is_open());
+
+  file.parse(input, true, "tests/core/config_example.info");
+
+  BOOST_CHECK(sub.allCallbacksFired());
+
+  input.close();
+}
+
+BOOST_AUTO_TEST_CASE(OnConfigFilenameDryRun)
+{
+  ConfigFile file;
+  DummyAllSubscriber sub(file, true);
+
+  file.parse("tests/core/config_example.info", true);
+  BOOST_CHECK(sub.allCallbacksFired());
+}
+
+BOOST_AUTO_TEST_CASE(OnConfigReplaceSubscriber)
+{
+  ConfigFile file;
+  DummyAllSubscriber sub1(file);
+  DummyAllSubscriber sub2(file);
+
+  file.parse(CONFIG, false, "dummy-config");
+
+  BOOST_CHECK(sub1.noCallbacksFired());
+  BOOST_CHECK(sub2.allCallbacksFired());
+}
+
+BOOST_AUTO_TEST_CASE(OnConfigUncoveredSections)
+{
+  ConfigFile file;
+
+  BOOST_CHECK_THROW(file.parse(CONFIG, false, "dummy-config"), ConfigFile::Error);
+}
+
+BOOST_AUTO_TEST_CASE(OnConfigCoveredByPartialSubscribers)
+{
+  ConfigFile file;
+  DummyOneSubscriber subA(file, "a");
+  DummyOneSubscriber subB(file, "b");
+
+  file.parse(CONFIG, false, "dummy-config");
+
+  BOOST_CHECK(subA.allCallbacksFired());
+  BOOST_CHECK(subB.allCallbacksFired());
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+} // namespace tests
+} // namespace nfd