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+// Copyright 2004-5 Trustees of Indiana University
+
+// Use, modification and distribution is subject to the Boost Software
+// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+//
+// graphviz_test.cpp - Test cases for the Boost.Spirit implementation of a
+// Graphviz DOT Language reader.
+//
+
+// Author: Ronald Garcia
+
+#define BOOST_GRAPHVIZ_USE_ISTREAM
+#define BOOST_TEST_MODULE TestGraphviz
+#include <boost/regex.hpp>
+#include <boost/graph/graphviz.hpp>
+#include <boost/assign/std/map.hpp>
+#include <boost/graph/adjacency_list.hpp>
+#include <boost/graph/compressed_sparse_row_graph.hpp>
+#include <boost/graph/graph_traits.hpp>
+#include <boost/tuple/tuple.hpp>
+#include <boost/property_map/dynamic_property_map.hpp>
+#include <boost/test/test_tools.hpp>
+#include <boost/test/unit_test.hpp>
+#include <boost/test/floating_point_comparison.hpp>
+#include <algorithm>
+#include <string>
+#include <iostream>
+#include <iterator>
+#include <map>
+#include <utility>
+
+using namespace std;
+using namespace boost;
+
+using namespace boost::assign;
+
+typedef std::string node_t;
+typedef std::pair<node_t,node_t> edge_t;
+
+typedef std::map<node_t,float> mass_map_t;
+typedef std::map<edge_t,double> weight_map_t;
+
+template <typename graph_t, typename NameMap, typename MassMap, typename WeightMap>
+bool test_graph(std::istream& dotfile, graph_t& graph,
+ std::size_t correct_num_vertices,
+ mass_map_t const& masses,
+ weight_map_t const& weights,
+ std::string const& node_id,
+ std::string const& g_name,
+ NameMap name,
+ MassMap mass,
+ WeightMap weight);
+
+template <typename graph_t>
+bool test_graph(std::istream& dotfile, std::size_t correct_num_vertices,
+ mass_map_t const& masses,
+ weight_map_t const& weights,
+ std::string const& node_id = "node_id",
+ std::string const& g_name = std::string()) {
+ graph_t g;
+ return test_graph(dotfile, g, correct_num_vertices, masses, weights, node_id, g_name,
+ get(vertex_name, g), get(vertex_color, g), get(edge_weight, g));
+}
+
+template <typename graph_t, typename NameMap, typename MassMap, typename WeightMap>
+bool test_graph(std::istream& dotfile, graph_t& graph,
+ std::size_t correct_num_vertices,
+ mass_map_t const& masses,
+ weight_map_t const& weights,
+ std::string const& node_id,
+ std::string const& g_name,
+ NameMap name,
+ MassMap mass,
+ WeightMap weight) {
+
+ // Construct a graph and set up the dynamic_property_maps.
+ dynamic_properties dp(ignore_other_properties);
+ dp.property(node_id,name);
+ dp.property("mass",mass);
+ dp.property("weight",weight);
+
+ boost::ref_property_map<graph_t*,std::string> gname(
+ get_property(graph,graph_name));
+ dp.property("name",gname);
+
+ bool result = true;
+#ifdef BOOST_GRAPHVIZ_USE_ISTREAM
+ if(read_graphviz(dotfile,graph,dp,node_id)) {
+#else
+ std::string data;
+ dotfile >> std::noskipws;
+ std::copy(std::istream_iterator<char>(dotfile),
+ std::istream_iterator<char>(),
+ std::back_inserter(data));
+ if(read_graphviz(data.begin(),data.end(),graph,dp,node_id)) {
+#endif
+ // check correct vertex count
+ BOOST_CHECK_EQUAL(num_vertices(graph), correct_num_vertices);
+ // check masses
+ if(!masses.empty()) {
+ // assume that all the masses have been set
+ // for each vertex:
+ typename graph_traits<graph_t>::vertex_iterator i,j;
+ for(boost::tie(i,j) = vertices(graph); i != j; ++i) {
+ // - get its name
+ std::string node_name = get(name,*i);
+ // - get its mass
+ float node_mass = get(mass,*i);
+ BOOST_CHECK(masses.find(node_name) != masses.end());
+ float ref_mass = masses.find(node_name)->second;
+ // - compare the mass to the result in the table
+ BOOST_CHECK_CLOSE(node_mass, ref_mass, 0.01f);
+ }
+ }
+ // check weights
+ if(!weights.empty()) {
+ // assume that all weights have been set
+ /// for each edge:
+ typename graph_traits<graph_t>::edge_iterator i,j;
+ for(boost::tie(i,j) = edges(graph); i != j; ++i) {
+ // - get its name
+ std::pair<std::string,std::string>
+ edge_name = make_pair(get(name, source(*i,graph)),
+ get(name, target(*i,graph)));
+ // - get its weight
+ double edge_weight = get(weight,*i);
+ BOOST_CHECK(weights.find(edge_name) != weights.end());
+ double ref_weight = weights.find(edge_name)->second;
+ // - compare the weight to teh result in the table
+ BOOST_CHECK_CLOSE(edge_weight, ref_weight, 0.01);
+ }
+ }
+ if(!g_name.empty()) {
+ std::string parsed_name = get_property(graph,graph_name);
+ BOOST_CHECK(parsed_name == g_name);
+ }
+
+
+ } else {
+ std::cerr << "Parsing Failed!\n";
+ result = false;
+ }
+
+ return result;
+ }
+
+// int test_main(int, char*[]) {
+
+ typedef istringstream gs_t;
+
+ typedef property < vertex_name_t, std::string,
+ property < vertex_color_t, float > > vertex_p;
+ typedef property < edge_weight_t, double > edge_p;
+ typedef property < graph_name_t, std::string > graph_p;
+
+ struct vertex_p_bundled {std::string name; float color;};
+ struct edge_p_bundled {double weight;};
+
+ // Basic directed graph tests
+ BOOST_AUTO_TEST_CASE (basic_directed_graph_1) {
+ mass_map_t masses;
+ insert ( masses ) ("a",0.0f) ("c",7.7f) ("e", 6.66f);
+ gs_t gs("digraph { a node [mass = 7.7] c e [mass = 6.66] }");
+ typedef adjacency_list < vecS, vecS, directedS,
+ vertex_p, edge_p, graph_p > graph_t;
+ BOOST_CHECK((test_graph<graph_t>(gs,3,masses,weight_map_t())));
+ }
+
+ BOOST_AUTO_TEST_CASE (basic_directed_graph_2) {
+ mass_map_t masses;
+ insert ( masses ) ("a",0.0f) ("e", 6.66f);
+ gs_t gs("digraph { a node [mass = 7.7] \"a\" e [mass = 6.66] }");
+ typedef adjacency_list < vecS, vecS, directedS,
+ vertex_p, edge_p, graph_p > graph_t;
+ BOOST_CHECK((test_graph<graph_t>(gs,2,masses,weight_map_t())));
+ }
+
+ BOOST_AUTO_TEST_CASE (basic_directed_graph_3) {
+ weight_map_t weights;
+ insert( weights )(make_pair("a","b"),0.0)
+ (make_pair("c","d"),7.7)(make_pair("e","f"),6.66)
+ (make_pair("d","e"),0.5)(make_pair("e","a"),0.5);
+ gs_t gs("digraph { a -> b eDge [weight = 7.7] "
+ "c -> d e-> f [weight = 6.66] "
+ "d ->e->a [weight=.5]}");
+ typedef adjacency_list < vecS, vecS, directedS,
+ vertex_p, edge_p, graph_p > graph_t;
+ BOOST_CHECK((test_graph<graph_t>(gs,6,mass_map_t(),weights)));
+ }
+
+ // undirected graph with alternate node_id property name
+ BOOST_AUTO_TEST_CASE (undirected_graph_alternate_node_id) {
+ mass_map_t masses;
+ insert ( masses ) ("a",0.0f) ("c",7.7f) ("e", 6.66f);
+ gs_t gs("graph { a node [mass = 7.7] c e [mass = 6.66] }");
+ typedef adjacency_list < vecS, vecS, undirectedS,
+ vertex_p, edge_p, graph_p > graph_t;
+ BOOST_CHECK((test_graph<graph_t>(gs,3,masses,weight_map_t(),
+ "nodenames")));
+ }
+
+ // Basic undirected graph tests
+ BOOST_AUTO_TEST_CASE (basic_undirected_graph_1) {
+ mass_map_t masses;
+ insert ( masses ) ("a",0.0f) ("c",7.7f) ("e", 6.66f);
+ gs_t gs("graph { a node [mass = 7.7] c e [mass =\\\n6.66] }");
+ typedef adjacency_list < vecS, vecS, undirectedS,
+ vertex_p, edge_p, graph_p > graph_t;
+ BOOST_CHECK((test_graph<graph_t>(gs,3,masses,weight_map_t())));
+ }
+
+ BOOST_AUTO_TEST_CASE (basic_undirected_graph_2) {
+ weight_map_t weights;
+ insert( weights )(make_pair("a","b"),0.0)
+ (make_pair("c","d"),7.7)(make_pair("e","f"),6.66);
+ gs_t gs("graph { a -- b eDge [weight = 7.7] "
+ "c -- d e -- f [weight = 6.66] }");
+ typedef adjacency_list < vecS, vecS, undirectedS,
+ vertex_p, edge_p, graph_p > graph_t;
+ BOOST_CHECK((test_graph<graph_t>(gs,6,mass_map_t(),weights)));
+ }
+
+ // Mismatch directed graph test
+ BOOST_AUTO_TEST_CASE (mismatch_directed_graph) {
+ mass_map_t masses;
+ insert ( masses ) ("a",0.0f) ("c",7.7f) ("e", 6.66f);
+ gs_t gs("graph { a nodE [mass = 7.7] c e [mass = 6.66] }");
+ try {
+ typedef adjacency_list < vecS, vecS, directedS,
+ vertex_p, edge_p, graph_p > graph_t;
+ test_graph<graph_t>(gs,3,masses,weight_map_t());
+ BOOST_ERROR("Failed to throw boost::undirected_graph_error.");
+ } catch (boost::undirected_graph_error&) {
+ } catch (boost::directed_graph_error&) {
+ BOOST_ERROR("Threw boost::directed_graph_error, should have thrown boost::undirected_graph_error.");
+ }
+ }
+
+ // Mismatch undirected graph test
+ BOOST_AUTO_TEST_CASE (mismatch_undirected_graph) {
+ mass_map_t masses;
+ insert ( masses ) ("a",0.0f) ("c",7.7f) ("e", 6.66f);
+ gs_t gs("digraph { a node [mass = 7.7] c e [mass = 6.66] }");
+ try {
+ typedef adjacency_list < vecS, vecS, undirectedS,
+ vertex_p, edge_p, graph_p > graph_t;
+ test_graph<graph_t>(gs,3,masses,weight_map_t());
+ BOOST_ERROR("Failed to throw boost::directed_graph_error.");
+ } catch (boost::directed_graph_error&) {}
+ }
+
+ // Complain about parallel edges
+ BOOST_AUTO_TEST_CASE (complain_about_parallel_edges) {
+ BOOST_TEST_CHECKPOINT("Complain about parallel edges");
+ weight_map_t weights;
+ insert( weights )(make_pair("a","b"),7.7);
+ gs_t gs("diGraph { a -> b [weight = 7.7] a -> b [weight = 7.7] }");
+ try {
+ typedef adjacency_list < setS, vecS, directedS,
+ vertex_p, edge_p, graph_p > graph_t;
+ test_graph<graph_t>(gs,2,mass_map_t(),weights);
+ BOOST_ERROR("Failed to throw boost::bad_parallel_edge.");
+ } catch (boost::bad_parallel_edge&) {}
+ }
+
+ // Handle parallel edges gracefully
+ BOOST_AUTO_TEST_CASE (handle_parallel_edges_gracefully) {
+ weight_map_t weights;
+ insert( weights )(make_pair("a","b"),7.7);
+ gs_t gs("digraph { a -> b [weight = 7.7] a -> b [weight = 7.7] }");
+ typedef adjacency_list < vecS, vecS, directedS,
+ vertex_p, edge_p, graph_p > graph_t;
+ BOOST_CHECK((test_graph<graph_t>(gs,2,mass_map_t(),weights)));
+ }
+
+ // Graph Property Test 1
+ BOOST_AUTO_TEST_CASE (graph_property_test_1) {
+ mass_map_t masses;
+ insert ( masses ) ("a",0.0f) ("c",0.0f) ("e", 6.66f);
+ gs_t gs("digraph { graph [name=\"foo \\\"escaped\\\"\"] a c e [mass = 6.66] }");
+ std::string graph_name("foo \"escaped\"");
+ typedef adjacency_list < vecS, vecS, directedS,
+ vertex_p, edge_p, graph_p > graph_t;
+ BOOST_CHECK((test_graph<graph_t>(gs,3,masses,weight_map_t(),"",
+ graph_name)));
+ }
+
+ // Graph Property Test 2
+ BOOST_AUTO_TEST_CASE (graph_property_test_2) {
+ mass_map_t masses;
+ insert ( masses ) ("a",0.0f) ("c",0.0f) ("e", 6.66f);
+ gs_t gs("digraph { name=\"fo\"+ \"\\\no\" a c e [mass = 6.66] }");
+ std::string graph_name("foo");
+ typedef adjacency_list < vecS, vecS, directedS,
+ vertex_p, edge_p, graph_p > graph_t;
+ BOOST_CHECK((test_graph<graph_t>(gs,3,masses,weight_map_t(),"",
+ graph_name)));
+ }
+
+ // Graph Property Test 3 (HTML)
+ BOOST_AUTO_TEST_CASE (graph_property_test_3) {
+ mass_map_t masses;
+ insert ( masses ) ("a",0.0f) ("c",0.0f) ("e", 6.66f);
+ std::string graph_name = "<html title=\"x'\" title2='y\"'>foo<b><![CDATA[><bad tag&>]]>bar</b>\n<br/>\nbaz</html>";
+ gs_t gs("digraph { name=" + graph_name + " a c e [mass = 6.66] }");
+ typedef adjacency_list < vecS, vecS, directedS,
+ vertex_p, edge_p, graph_p > graph_t;
+ BOOST_CHECK((test_graph<graph_t>(gs,3,masses,weight_map_t(),"",
+ graph_name)));
+ }
+
+ // Comments embedded in strings
+ BOOST_AUTO_TEST_CASE (comments_embedded_in_strings) {
+ gs_t gs(
+ "digraph { "
+ "a0 [ label = \"//depot/path/to/file_14#4\" ];"
+ "a1 [ label = \"//depot/path/to/file_29#9\" ];"
+ "a0 -> a1 [ color=gray ];"
+ "}");
+ typedef adjacency_list < vecS, vecS, directedS,
+ vertex_p, edge_p, graph_p > graph_t;
+ BOOST_CHECK((test_graph<graph_t>(gs,2,mass_map_t(),weight_map_t())));
+ }
+
+#if 0 // Currently broken
+ BOOST_AUTO_TEST_CASE (basic_csr_directed_graph) {
+ weight_map_t weights;
+ insert( weights )(make_pair("a","b"),0.0)
+ (make_pair("c","d"),7.7)(make_pair("e","f"),6.66)
+ (make_pair("d","e"),0.5)(make_pair("e","a"),0.5);
+ gs_t gs("digraph { a -> b eDge [weight = 7.7] "
+ "c -> d e-> f [weight = 6.66] "
+ "d ->e->a [weight=.5]}");
+ typedef compressed_sparse_row_graph<directedS, vertex_p_bundled, edge_p_bundled, graph_p > graph_t;
+ BOOST_CHECK((test_graph<graph_t>(gs,6,mass_map_t(),weights,"node_id","",&vertex_p_bundled::name,&vertex_p_bundled::color,&edge_p_bundled::weight)));
+ }
+#endif
+
+ BOOST_AUTO_TEST_CASE (basic_csr_directed_graph_ext_props) {
+ weight_map_t weights;
+ insert( weights )(make_pair("a","b"),0.0)
+ (make_pair("c","d"),7.7)(make_pair("e","f"),6.66)
+ (make_pair("d","e"),0.5)(make_pair("e","a"),0.5);
+ gs_t gs("digraph { a -> b eDge [weight = 7.7] "
+ "c -> d e-> f [weight = 6.66] "
+ "d ->e->a [weight=.5]}");
+ typedef compressed_sparse_row_graph<directedS, no_property, no_property, graph_p > graph_t;
+ graph_t g;
+ vector_property_map<std::string, property_map<graph_t, vertex_index_t>::const_type> vertex_name(get(vertex_index, g));
+ vector_property_map<float, property_map<graph_t, vertex_index_t>::const_type> vertex_color(get(vertex_index, g));
+ vector_property_map<double, property_map<graph_t, edge_index_t>::const_type> edge_weight(get(edge_index, g));
+ BOOST_CHECK((test_graph(gs,g,6,mass_map_t(),weights,"node_id","",vertex_name,vertex_color,edge_weight)));
+ }
+
+// return 0;
+// }