Exemple #1
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def addVertex(catalog, row):
    '''
    Función que añade los vértices al grafo de viajes si no existen
    '''
    if not g.containsVertex(catalog['tripsGraph'], row['src']):
        g.insertVertex(catalog['tripsGraph'], row['src'])
    if not g.containsVertex(catalog['tripsGraph'], row['dst']):
        g.insertVertex(catalog['tripsGraph'], row['dst'])
Exemple #2
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def addReviewNode(catalog, row):
    """
    Adiciona un nodo para almacenar un libro o usuario 
    """
    if not g.containsVertex(catalog['reviewGraph'], row['book_id']):
        g.insertVertex(catalog['reviewGraph'], row['book_id'])
    if not g.containsVertex(catalog['reviewGraph'], row['user_id']):
        g.insertVertex(catalog['reviewGraph'], row['user_id'])
Exemple #3
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def addstationNode(catalog, row):
    """
    Adiciona un nodo para almacenar una biblioteca
    """
    if not g.containsVertex(catalog['grafo'], row['src']):
        g.insertVertex(catalog['grafo'], row['src'])
    if not g.containsVertex(catalog['grafo'], row['dst']):
        g.insertVertex(catalog['grafo'], row['dst'])
Exemple #4
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def addLibraryNode (catalog, row):
    """
    Adiciona un nodo para almacenar una biblioteca
    """
    if not g.containsVertex(catalog['librariesGraph'], row['ID_src']):
        g.insertVertex (catalog['librariesGraph'], row['ID_src'])
    if not g.containsVertex(catalog['librariesGraph'], row['ID_dst']):
        g.insertVertex (catalog['librariesGraph'], row['ID_dst'])
Exemple #5
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def addReviewNode_directed(catalog, row):
    """
    Adiciona un nodo para almacenar un libro o usuario 
    """
    if not g.containsVertex(catalog['directed_Graph'], row['SOURCE']):
        g.insertVertex(catalog['directed_Graph'], row['SOURCE'])
    if not g.containsVertex(catalog['directed_Graph'], row['DEST']):
        g.insertVertex(catalog['directed_Graph'], row['DEST'])
    def test_connectedcomponents1(self):

        graph = g.newGraph(1, self.comparenames)

        g.insertVertex(graph, 'Laura')

        cc = dfs.countCC(graph)
        self.assertEqual(cc, 1)
Exemple #7
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def addDirectedNode (catalog, row):
    """
    Adiciona un nodo para almacenar un libro o usuario 
    """
    source = row['src']
    dest = row['dst']
    if not g.containsVertex(catalog['GraphDirected'], source):
        g.insertVertex (catalog['GraphDirected'], source)
    if not g.containsVertex(catalog['GraphDirected'], dest):
        g.insertVertex (catalog['GraphDirected'], dest)
Exemple #8
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def addLibraryNode (catalog, row):
    """
    Adiciona un nodo para almacenar una biblioteca
    """
    if not g.containsVertex(catalog['librariesGraph'], row['SOURCE']):
        g.insertVertex (catalog['librariesGraph'], row['SOURCE'])
    if not g.containsVertex(catalog['librariesGraph'], row['DEST']):
        g.insertVertex (catalog['librariesGraph'], row['DEST'])
    if not g.containsVertex(catalog['delayGraph'], row['SOURCE']):
        g.insertVertex (catalog['delayGraph'], row['SOURCE'])
    if not g.containsVertex(catalog['delayGraph'], row['DEST']):
        g.insertVertex (catalog['delayGraph'], row['DEST'])
    def reverse(self, graph):
        """
         Retornar el reverso del grafo graph
        """
        greverse = g.newGraph(12, self.comparenames, directed=True)

        lstvert = g.vertices(graph)
        itervert = it.newIterator(lstvert)
        while it.hasNext(itervert):
            vert = it.next(itervert)
            g.insertVertex(greverse, vert)

        itervert = it.newIterator(lstvert)
        while it.hasNext(itervert):
            vert = it.next(itervert)
            lstadj = g.adjacents(graph, vert)
            iteradj = it.newIterator(lstadj)
            while it.hasNext(iteradj):
                adj = it.next(iteradj)
                g.addEdge(greverse, adj, vert)
        return greverse
Exemple #10
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    def test_numVertex(self):
        graph = g.newGraph(7,self.comparenames)

        g.insertVertex (graph, 'Bogota')
        g.insertVertex (graph, 'Yopal')
        g.insertVertex (graph, 'Cali')
        n=g.numVertex(graph)
        lst = g.vertices (graph)
        self.assertEqual (lt.size (lst), n)
Exemple #11
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    def test_containsVertex(self):
        graph = g.newGraph(7,self.comparenames)

        g.insertVertex (graph, 'Bogota')
        g.insertVertex (graph, 'Yopal')
        g.insertVertex (graph, 'Cali')
        v1 = g.containsVertex(graph,'Cali')
        self.assertEqual (True, v1)
        v2=g.containsVertex(graph,'Tunja')
        self.assertEqual(False,v2)
    def test_connectedcomponents(self):

        graph = g.newGraph(7, self.comparenames)

        g.insertVertex(graph, 'Laura')
        g.insertVertex(graph, 'Eduardo')
        g.insertVertex(graph, 'Andres')
        g.insertVertex(graph, 'Camila')
        g.insertVertex(graph, 'Antonio')
        g.insertVertex(graph, 'Luis')
        g.insertVertex(graph, 'Lina')

        g.addEdge(graph, 'Laura', 'Luis')
        g.addEdge(graph, 'Eduardo', 'Laura')
        g.addEdge(graph, 'Antonio', 'Laura')
        g.addEdge(graph, 'Camila', 'Lina')

        cc = dfs.countCC(graph)
        self.assertEqual(cc, 3)
Exemple #13
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    def test_insertVertex (self):
        graph = g.newGraph(7,self.comparenames)

        g.insertVertex (graph, 'Bogota')
        g.insertVertex (graph, 'Yopal')
        g.insertVertex (graph, 'Cali')
        g.insertVertex (graph, 'Medellin')
        g.insertVertex (graph, 'Pasto')
        g.insertVertex (graph, 'Barranquilla')
        g.insertVertex (graph, 'Manizales')

        self.assertEqual (g.numVertex(graph), 7)
        lst = g.vertices (graph)
        self.assertEqual (lt.size (lst), 7)
    def test_insertVertex(self):
        graph = g.newGraph(7, self.comparenames)

        g.insertVertex(graph, 'Bogota')
        g.insertVertex(graph, 'Yopal')
        g.insertVertex(graph, 'Cali')
        g.insertVertex(graph, 'Medellin')
        g.insertVertex(graph, 'Pasto')
        g.insertVertex(graph, 'Barranquilla')
        g.insertVertex(graph, 'Manizales')
    def test_addEdges(self):
        graph = g.newGraph(7, self.comparenames)

        g.insertVertex(graph, 'Bogota')
        g.insertVertex(graph, 'Yopal')
        g.insertVertex(graph, 'Cali')
        g.insertVertex(graph, 'Medellin')
        g.insertVertex(graph, 'Pasto')
        g.insertVertex(graph, 'Barranquilla')
        g.insertVertex(graph, 'Manizales')

        g.addEdge(graph, 'Bogota', 'Yopal')
        g.addEdge(graph, 'Bogota', 'Medellin')
        g.addEdge(graph, 'Bogota', 'Pasto')
        g.addEdge(graph, 'Bogota', 'Cali')
        g.addEdge(graph, 'Yopal', 'Medellin')
        g.addEdge(graph, 'Medellin', 'Pasto')
        g.addEdge(graph, 'Cali', 'Pasto')
        g.addEdge(graph, 'Cali', 'Barranquilla')
        g.addEdge(graph, 'Barranquilla', 'Manizales')
        g.addEdge(graph, 'Pasto', 'Manizales')

        self.assertEqual(g.numEdges(graph), 10)
        self.assertEqual(g.numVertex(graph), 7)

        lst = g.vertices(graph)
        self.assertEqual(lt.size(lst), 7)

        lst = g.edges(graph)
        self.assertEqual(lt.size(lst), 10)

        degree = g.degree(graph, 'Bogota')
        self.assertEqual(degree, 4)

        edge = g.getEdge(graph, 'Bogota', 'Medellin')

        lst = g.adjacents(graph, 'Bogota')
        self.assertEqual(lt.size(lst), 4)
Exemple #16
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    def newGraph(self):
        graph = g.newGraph(7, self.comparenames)

        g.insertVertex(graph, 'Bogota')
        g.insertVertex(graph, 'Yopal')
        g.insertVertex(graph, 'Cali')
        g.insertVertex(graph, 'Medellin')
        g.insertVertex(graph, 'Pasto')
        g.insertVertex(graph, 'Barranquilla')
        g.insertVertex(graph, 'Manizales')

        g.addEdge(graph, 'Bogota', 'Yopal')
        g.addEdge(graph, 'Bogota', 'Medellin')
        g.addEdge(graph, 'Bogota', 'Pasto')
        g.addEdge(graph, 'Bogota', 'Cali')
        g.addEdge(graph, 'Yopal', 'Medellin')
        g.addEdge(graph, 'Medellin', 'Pasto')
        g.addEdge(graph, 'Cali', 'Pasto')
        g.addEdge(graph, 'Cali', 'Barranquilla')
        g.addEdge(graph, 'Barranquilla', 'Manizales')
        g.addEdge(graph, 'Pasto', 'Manizales')

        return graph
    def test_bfs(self):
        graph = g.newGraph(7, self.comparenames)

        g.insertVertex(graph, 'Bogota')
        g.insertVertex(graph, 'Yopal')
        g.insertVertex(graph, 'Cali')
        g.insertVertex(graph, 'Medellin')
        g.insertVertex(graph, 'Pasto')
        g.insertVertex(graph, 'Barranquilla')
        g.insertVertex(graph, 'Manizales')

        g.addEdge(graph, 'Bogota', 'Yopal')
        g.addEdge(graph, 'Yopal', 'Barranquilla')
        g.addEdge(graph, 'Barranquilla', 'Medellin')
        g.addEdge(graph, 'Bogota', 'Cali')
        g.addEdge(graph, 'Cali', 'Medellin')

        search = bfs.newBFS(graph, 'Bogota')
        response = ''
        path = bfs.pathTo(search, 'Medellin')
        pathsize = 0
        if path:
            iteraPath = it.newIterator(path)
            while it.hasNext(iteraPath):
                Vertex = it.next(iteraPath)
                response += Vertex + '\n'
                pathsize += 1
            print(response)
        self.assertEqual(pathsize, 3)

        path2 = bfs.pathTo(search, 'Pasto')
        self.assertIsNone(path2)
    def test_degrees(self):
        graph = g.newGraph(7, self.comparenames, directed=True)

        g.insertVertex(graph, 'Bogota')
        g.insertVertex(graph, 'Yopal')
        g.insertVertex(graph, 'Cali')
        g.insertVertex(graph, 'Medellin')
        g.insertVertex(graph, 'Pasto')
        g.insertVertex(graph, 'Barranquilla')
        g.insertVertex(graph, 'Manizales')

        g.addEdge(graph, 'Bogota', 'Yopal')
        g.addEdge(graph, 'Bogota', 'Medellin')
        g.addEdge(graph, 'Bogota', 'Pasto')
        g.addEdge(graph, 'Bogota', 'Cali')
        g.addEdge(graph, 'Cali', 'Bogota')
        g.addEdge(graph, 'Yopal', 'Medellin')
        g.addEdge(graph, 'Medellin', 'Pasto')
        g.addEdge(graph, 'Pasto', 'Bogota')
        g.addEdge(graph, 'Cali', 'Pasto')
        g.addEdge(graph, 'Cali', 'Barranquilla')
        g.addEdge(graph, 'Barranquilla', 'Manizales')
        g.addEdge(graph, 'Pasto', 'Manizales')

        self.assertEqual(g.numEdges(graph), 12)
        self.assertEqual(g.numVertex(graph), 7)

        degree = g.indegree(graph, 'Bogota')
        self.assertEqual(degree, 2)

        degree = g.indegree(graph, 'Barranquilla')
        self.assertEqual(degree, 1)

        degree = g.outdegree(graph, 'Barranquilla')
        self.assertEqual(degree, 1)

        degree = g.outdegree(graph, 'Bogota')
        self.assertEqual(degree, 4)

        degree = g.outdegree(graph, 'Manizales')
        self.assertEqual(degree, 0)
 def loadgraph(self, graph):
     """
     Crea el grafo con la informacion de prueba
     """
     g.insertVertex(graph, 'Pedro')
     g.insertVertex(graph, 'Maria')
     g.insertVertex(graph, 'Carol')
     g.insertVertex(graph, 'Laura')
     g.insertVertex(graph, 'Felipe')
     g.insertVertex(graph, 'Jose')
     g.insertVertex(graph, 'Martin')
     g.insertVertex(graph, 'Camila')
     g.insertVertex(graph, 'Gloria')
     g.insertVertex(graph, 'Luz')
     g.insertVertex(graph, 'Tere')
     g.insertVertex(graph, 'Susana')
     g.addEdge(graph, 'Pedro', 'Jose')
     g.addEdge(graph, 'Jose', 'Felipe')
     g.addEdge(graph, 'Felipe', 'Laura')
     g.addEdge(graph, 'Laura', 'Carol')
     g.addEdge(graph, 'Carol', 'Maria')
     g.addEdge(graph, 'Maria', 'Pedro')
     g.addEdge(graph, 'Camila', 'Jose')
     g.addEdge(graph, 'Camila', 'Martin')
     g.addEdge(graph, 'Martin', 'Gloria')
     g.addEdge(graph, 'Gloria', 'Camila')
     g.addEdge(graph, 'Gloria', 'Luz')
     g.addEdge(graph, 'Luz', 'Tere')
     g.addEdge(graph, 'Tere', 'Susana')
     g.addEdge(graph, 'Susana', 'Luz')
    def test_dijkstra(self):
        graph = g.newGraph(7, self.comparenames, directed=True)

        g.insertVertex(graph, 'Bogota')
        g.insertVertex(graph, 'Yopal')
        g.insertVertex(graph, 'Cali')
        g.insertVertex(graph, 'Medellin')
        g.insertVertex(graph, 'Pasto')
        g.insertVertex(graph, 'Barranquilla')
        g.insertVertex(graph, 'Manizales')

        g.addEdge(graph, 'Bogota', 'Yopal', 4)
        g.addEdge(graph, 'Bogota', 'Medellin', 6)
        g.addEdge(graph, 'Bogota', 'Pasto', 10)
        g.addEdge(graph, 'Bogota', 'Cali', 8)
        g.addEdge(graph, 'Cali', 'Bogota', 7)
        g.addEdge(graph, 'Yopal', 'Medellin', 9)
        g.addEdge(graph, 'Medellin', 'Pasto', 5)
        g.addEdge(graph, 'Pasto', 'Bogota', 10)
        g.addEdge(graph, 'Cali', 'Pasto', 3)
        g.addEdge(graph, 'Cali', 'Barranquilla', 10)
        g.addEdge(graph, 'Barranquilla', 'Manizales', 9)
        g.addEdge(graph, 'Pasto', 'Manizales', 6)

        search1 = dijkstra.newDijkstra(graph, 'Bogota')
        has1 = dijkstra.hasPathTo(search1, 'Manizales')
        self.assertEqual(has1, True)
        path1 = dijkstra.pathTo(search1, 'Manizales')
        self.assertEqual(lt.size(path1), 2)

        search2 = dijkstra.newDijkstra(graph, 'Manizales')
        has2 = dijkstra.hasPathTo(search2, 'Yopal')
        self.assertEqual(has2, False)
    def test_insertVertex2(self):

        graph = g.newGraph(7, self.comparenames, directed=True)

        g.insertVertex(graph, 'Bogota')
        g.insertVertex(graph, 'Yopal')
        g.insertVertex(graph, 'Cali')
        g.insertVertex(graph, 'Medellin')
        g.insertVertex(graph, 'Pasto')
        g.insertVertex(graph, 'Barranquilla')
        g.insertVertex(graph, 'Manizales')
        self.assertEqual(g.numVertex(graph), 7)
    def test_dijkstra(self):
        graph = g.newGraph(7, self.comparenames, directed=True)

        g.insertVertex(graph, 'Bogota')
        g.insertVertex(graph, 'Yopal')
        g.insertVertex(graph, 'Cali')
        g.insertVertex(graph, 'Medellin')
        g.insertVertex(graph, 'Pasto')
        g.insertVertex(graph, 'Barranquilla')
        g.insertVertex(graph, 'Manizales')

        g.addEdge(graph, 'Bogota', 'Yopal', 2.5)
        g.addEdge(graph, 'Bogota', 'Medellin', 0.1)
        g.addEdge(graph, 'Bogota', 'Pasto', 16)
        g.addEdge(graph, 'Bogota', 'Cali', 3.2)
        g.addEdge(graph, 'Cali', 'Bogota', 4.8)
        g.addEdge(graph, 'Yopal', 'Medellin', 9.1)
        g.addEdge(graph, 'Medellin', 'Pasto', 7.1)
        g.addEdge(graph, 'Pasto', 'Bogota', 9.3)
        g.addEdge(graph, 'Cali', 'Pasto', 4.7)
        g.addEdge(graph, 'Cali', 'Barranquilla', 1.2)
        g.addEdge(graph, 'Barranquilla', 'Pasto', 0.0)

        dis = dk.newDijkstra(graph, 'Bogota')
        path1 = dk.pathTo(dis, 'Pasto')
        path2 = dk.pathTo(dis, 'Medellin')
        path3 = dk.pathTo(dis, 'Manizales')

        totalDist1 = 0
        while not stk.isEmpty(path1):
            step = stk.pop(path1)
            totalDist1 += step['weight']
        totalDist2 = 0
        while not stk.isEmpty(path2):
            step = stk.pop(path2)
            totalDist2 += step['weight']

        self.assertEqual(totalDist1, 4.4)
        self.assertEqual(totalDist2, 0.1)
        self.assertIsNone(path3)
Exemple #23
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    def test_removeVertex(self):
        graph = g.newGraph(7,self.comparenames)
        
        g.insertVertex (graph, 'Bogota')
        g.insertVertex (graph, 'Yopal')
        g.insertVertex (graph, 'Cali')
        g.insertVertex (graph, 'Medellin')
        g.insertVertex (graph, 'Pasto')
        g.insertVertex (graph, 'Barranquilla')
        g.insertVertex (graph, 'Manizales')

        

        g.removeVertex(graph,'Bogota')
        g.removeVertex(graph,'Cali')

        n=g.containsVertex(graph, 'Bogota')
        o=g.containsVertex(graph, 'Cali')

        self.assertEqual(False,n)
        self.assertEqual(False,o)
Exemple #24
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def addFlightNode(catalog, row):
    """
    Adiciona un nodo para almacenar un vuelo. 
    """
    if not g.containsVertex(catalog['flightGraph'], row['VERTEX']):
        g.insertVertex(catalog['flightGraph'], row['VERTEX'])
        print(pila)
    else:
        print("El camino de menor costo entre los vertices es:")
        totalDist = 0
        while not stk.isEmpty(pila):
            step = stk.pop(pila)
            totalDist += step['weight']
            print(step['vertexA'] + "-->" + step['vertexB'] + " costo: " +
                  str(step['weight']))
        print("Total: " + str(totalDist))


if __name__ == "__main__":
    graph = g.newGraph(7, comparenames, True)

    g.insertVertex(graph, 'Bogota')
    g.insertVertex(graph, 'Yopal')
    g.insertVertex(graph, 'Cali')
    g.insertVertex(graph, 'Medellin')
    g.insertVertex(graph, 'Pasto')
    g.insertVertex(graph, 'Barranquilla')
    g.insertVertex(graph, 'Manizales')
    g.insertVertex(graph, 'Cucuta')
    g.insertVertex(graph, 'Bucaramanga')

    g.addEdge(graph, 'Bogota', 'Yopal', 1.0)
    g.addEdge(graph, 'Bogota', 'Medellin', 1.0)
    g.addEdge(graph, 'Bogota', 'Pasto', 1.0)
    g.addEdge(graph, 'Bogota', 'Cali', 1.0)
    g.addEdge(graph, 'Yopal', 'Medellin', 1.0)
    g.addEdge(graph, 'Medellin', 'Pasto', 1.0)
Exemple #26
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    def test_topological(self):

        graph = g.newGraph(10, self.comparenames, directed=True)
        pre = q.newQueue()
        post = q.newQueue()
        reversepost = s.newStack()
        marked = m.newMap(10, comparefunction=self.comparenames)

        g.insertVertex(graph, 'Calculo1')
        g.insertVertex(graph, 'Calculo2')
        g.insertVertex(graph, 'Diseno1')
        g.insertVertex(graph, 'Diseno2')
        g.insertVertex(graph, 'Electiva')
        g.insertVertex(graph, 'Fisica1')
        g.insertVertex(graph, 'Ingles')
        g.insertVertex(graph, 'IP1')
        g.insertVertex(graph, 'IP2')
        g.insertVertex(graph, 'ProyectoFinal')

        g.addEdge(graph, 'Calculo1', 'Calculo2')
        g.addEdge(graph, 'Calculo2', 'IP2')
        g.addEdge(graph, 'Calculo2', 'Fisica1')
        g.addEdge(graph, 'Diseno1', 'Diseno2')
        g.addEdge(graph, 'Diseno2', 'ProyectoFinal')
        g.addEdge(graph, 'Electiva', 'ProyectoFinal')
        g.addEdge(graph, 'Fisica1', 'Diseno2')
        g.addEdge(graph, 'Ingles', 'ProyectoFinal')
        g.addEdge(graph, 'IP1', 'Diseno1')
        g.addEdge(graph, 'IP1', 'IP2')

        self.assertEqual(g.numEdges(graph), 10)
        self.assertEqual(g.numVertex(graph), 10)

        #DFO

        lstvert = g.vertices(graph)
        vertiterator = it.newIterator(lstvert)
        while it.hasNext(vertiterator):
            vert = it.next(vertiterator)
            if not (m.contains(marked, vert)):
                self.dfs(graph, vert, marked, pre, post, reversepost)
        self.printTopological(reversepost)
Exemple #27
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def addFlightNode_user(catalog, vertice):
    if not g.containsVertex(catalog['flightGraph'], vertice):
        g.insertVertex(catalog['flightGraph'], vertice)
        return False
    else:
        return True
    def test_adjacents(self):
        graph = g.newGraph(7, self.comparenames, directed=True)

        g.insertVertex(graph, 'Bogota')
        g.insertVertex(graph, 'Yopal')
        g.insertVertex(graph, 'Cali')
        g.insertVertex(graph, 'Medellin')
        g.insertVertex(graph, 'Pasto')
        g.insertVertex(graph, 'Barranquilla')
        g.insertVertex(graph, 'Manizales')

        g.addEdge(graph, 'Bogota', 'Yopal')
        g.addEdge(graph, 'Bogota', 'Medellin')
        g.addEdge(graph, 'Bogota', 'Pasto')
        g.addEdge(graph, 'Bogota', 'Cali')
        g.addEdge(graph, 'Cali', 'Bogota')
        g.addEdge(graph, 'Yopal', 'Medellin')
        g.addEdge(graph, 'Medellin', 'Pasto')
        g.addEdge(graph, 'Pasto', 'Bogota')
        g.addEdge(graph, 'Cali', 'Pasto')
        g.addEdge(graph, 'Cali', 'Barranquilla')
        g.addEdge(graph, 'Barranquilla', 'Manizales')
        g.addEdge(graph, 'Pasto', 'Manizales')

        self.assertEqual(g.numEdges(graph), 12)
        self.assertEqual(g.numVertex(graph), 7)

        lst = g.adjacents(graph, 'Bogota')
        self.assertEqual(lt.size(lst), 4)

        self.assertTrue(lt.isPresent(lst, 'Cali', self.comparelst))
        self.assertTrue(lt.isPresent(lst, 'Yopal', self.comparelst))
        self.assertTrue(lt.isPresent(lst, 'Pasto', self.comparelst))
        self.assertTrue(lt.isPresent(lst, 'Medellin', self.comparelst))
        self.assertFalse(lt.isPresent(lst, 'Barranquilla', self.comparelst))

        lst = g.adjacents(graph, 'Manizales')
        self.assertEqual(lt.size(lst), 0)
Exemple #29
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def addNode(catalog, row):
    """
    Adiciona un nodo para almacenar un libro o usuario 
    """
    if not g.containsVertex(catalog['Graph'], row['VERTEX']):
        g.insertVertex(catalog['Graph'], row['VERTEX'])
Exemple #30
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    def test_adjacents(self):
        graph = g.newGraph(7,self.comparenames)

        g.insertVertex (graph, 'Bogota')
        g.insertVertex (graph, 'Yopal')
        g.insertVertex (graph, 'Cali')
        g.insertVertex (graph, 'Medellin')
        g.insertVertex (graph, 'Pasto')
        g.insertVertex (graph, 'Barranquilla')
        g.insertVertex (graph, 'Manizales')

        g.addEdge (graph, 'Bogota', 'Yopal')
        g.addEdge (graph, 'Bogota', 'Medellin')
        g.addEdge (graph, 'Bogota', 'Pasto')
        g.addEdge (graph, 'Bogota', 'Cali')
        g.addEdge (graph, 'Yopal', 'Medellin')
        g.addEdge (graph, 'Medellin', 'Pasto')
        g.addEdge (graph, 'Cali', 'Pasto')
        g.addEdge (graph, 'Cali', 'Barranquilla')
        g.addEdge (graph, 'Barranquilla','Manizales')
        g.addEdge (graph, 'Pasto','Manizales')

        lst=g.adjacents(graph,'Bogota')
        self.assertEqual(lt.size(lst),4)