public void testDirectedMatrixNoNodeIdWeighted() {
DirectedWeightedPseudograph<Integer, DefaultWeightedEdge> g =
new DirectedWeightedPseudograph<>(DefaultWeightedEdge.class);
g.addVertex(1);
g.addVertex(2);
g.addVertex(3);
g.addVertex(4);
g.addVertex(5);
g.addEdge(1, 2);
g.addEdge(1, 3);
g.addEdge(3, 1);
g.addEdge(3, 4);
g.addEdge(4, 5);
g.addEdge(5, 1);
g.addEdge(5, 2);
g.addEdge(5, 3);
g.addEdge(5, 4);
g.addEdge(5, 5);
g.setEdgeWeight(g.getEdge(1, 3), 13);
g.setEdgeWeight(g.getEdge(5, 3), 53);
CSVExporter<Integer, DefaultWeightedEdge> exporter =
new CSVExporter<>(nameProvider, CSVFormat.MATRIX, ';');
exporter.setParameter(CSVFormat.Parameter.MATRIX_FORMAT_EDGE_WEIGHTS, true);
StringWriter w = new StringWriter();
exporter.exportGraph(g, w);
assertEquals(DIRECTED_MATRIX_NO_NODEID_WEIGHTED, w.toString());
}
public void testDirectedMatrixNoNodeIdZeroMissingEdges() {
DirectedGraph<Integer, DefaultEdge> g = new DirectedPseudograph<>(DefaultEdge.class);
g.addVertex(1);
g.addVertex(2);
g.addVertex(3);
g.addVertex(4);
g.addVertex(5);
g.addEdge(1, 2);
g.addEdge(1, 3);
g.addEdge(3, 1);
g.addEdge(3, 4);
g.addEdge(4, 5);
g.addEdge(5, 1);
g.addEdge(5, 2);
g.addEdge(5, 3);
g.addEdge(5, 4);
g.addEdge(5, 5);
CSVExporter<Integer, DefaultEdge> exporter =
new CSVExporter<>(nameProvider, CSVFormat.MATRIX, ';');
exporter.setParameter(CSVFormat.Parameter.MATRIX_FORMAT_ZERO_WHEN_NO_EDGE, true);
StringWriter w = new StringWriter();
exporter.exportGraph(g, w);
assertEquals(DIRECTED_MATRIX_NO_NODEID_ZERO_NO_EDGE, w.toString());
}
public void testUndirectedAdjacencyList() {
UndirectedGraph<Integer, DefaultEdge> g = new Pseudograph<>(DefaultEdge.class);
g.addVertex(1);
g.addVertex(2);
g.addVertex(3);
g.addVertex(4);
g.addVertex(5);
g.addEdge(1, 2);
g.addEdge(1, 3);
g.addEdge(3, 1);
g.addEdge(3, 4);
g.addEdge(4, 5);
g.addEdge(5, 1);
g.addEdge(5, 2);
g.addEdge(5, 3);
g.addEdge(5, 4);
g.addEdge(5, 5);
g.addEdge(5, 5);
CSVExporter<Integer, DefaultEdge> exporter =
new CSVExporter<>(nameProvider, CSVFormat.ADJACENCY_LIST, ';');
StringWriter w = new StringWriter();
exporter.exportGraph(g, w);
assertEquals(UNDIRECTED_ADJACENCY_LIST, w.toString());
}
public void testLaplacian() {
UndirectedGraph<String, DefaultEdge> g =
new SimpleGraph<String, DefaultEdge>(DefaultEdge.class);
g.addVertex(V1);
g.addVertex(V2);
g.addEdge(V1, V2);
g.addVertex(V3);
g.addEdge(V3, V1);
StringWriter w = new StringWriter();
exporter.exportLaplacianMatrix(w, g);
assertEquals(LAPLACIAN, w.toString());
w = new StringWriter();
exporter.exportNormalizedLaplacianMatrix(w, g);
assertEquals(NORMALIZED_LAPLACIAN, w.toString());
}
public void testUndirected() {
UndirectedGraph<String, DefaultEdge> g =
new SimpleGraph<String, DefaultEdge>(DefaultEdge.class);
g.addVertex(V1);
g.addVertex(V2);
g.addEdge(V1, V2);
g.addVertex(V3);
g.addEdge(V3, V1);
StringWriter w = new StringWriter();
exporter.export(w, g);
assertEquals(UNDIRECTED, w.toString());
}
public void testAdjacencyUndirected() {
UndirectedGraph<String, DefaultEdge> g =
new Pseudograph<String, DefaultEdge>(DefaultEdge.class);
g.addVertex(V1);
g.addVertex(V2);
g.addEdge(V1, V2);
g.addVertex(V3);
g.addEdge(V3, V1);
g.addEdge(V1, V1);
StringWriter w = new StringWriter();
exporter.exportAdjacencyMatrix(w, g);
assertEquals(UNDIRECTED_ADJACENCY, w.toString());
}
public void testEdgeListWithStringsDirectedUnweightedWithSemicolon() throws ImportException {
DirectedPseudograph<String, DefaultEdge> g =
new DirectedPseudograph<>(DefaultWeightedEdge.class);
g.addVertex("'john doe'");
g.addVertex("fred");
g.addVertex("fred\n\"21\"");
g.addVertex("who;;");
g.addEdge("'john doe'", "fred");
g.addEdge("fred", "fred\n\"21\"");
g.addEdge("fred\n\"21\"", "who;;");
g.addEdge("who;;", "'john doe'");
CSVExporter<String, DefaultEdge> exporter =
new CSVExporter<>(stringNameProvider, CSVFormat.EDGE_LIST, ';');
StringWriter w = new StringWriter();
exporter.exportGraph(g, w);
assertEquals(DIRECTED_EDGE_LIST_ESCAPE, w.toString());
}
public void testDirectedEdgeList() {
DirectedGraph<Integer, DefaultEdge> g = new SimpleDirectedGraph<>(DefaultEdge.class);
g.addVertex(1);
g.addVertex(2);
g.addVertex(3);
g.addVertex(4);
g.addVertex(5);
g.addEdge(1, 2);
g.addEdge(1, 3);
g.addEdge(3, 1);
g.addEdge(3, 4);
g.addEdge(4, 5);
g.addEdge(5, 1);
CSVExporter<Integer, DefaultEdge> exporter =
new CSVExporter<>(nameProvider, CSVFormat.EDGE_LIST, ';');
StringWriter w = new StringWriter();
exporter.exportGraph(g, w);
assertEquals(DIRECTED_EDGE_LIST, w.toString());
}