Complete implementation with tests

tests/TestBayesNode.cc

@@ -158,4 +158,47 @@ TEST_CASE("TEST MinFill method", "[Node]")
     REQUIRE(node_2.minFill() == 6);
     REQUIRE(node_3.minFill() == 3);
     REQUIRE(node_4.minFill() == 1);
+}
+TEST_CASE("Test operator =", "[Node]")
+{
+    // Generate a test to test the operator = of the Node class
+    // Create a node with 3 parents and 2 children
+    auto node = bayesnet::Node("N1");
+    auto parent_1 = bayesnet::Node("P1");
+    parent_1.setNumStates(3);
+    auto child_1 = bayesnet::Node("H1");
+    child_1.setNumStates(2);
+    node.addParent(&parent_1);
+    node.addChild(&child_1);
+    // Create a cpt in the node using computeCPT
+    auto dataset = torch::tensor({ {1, 0, 0, 1}, {0, 1, 2, 1}, {0, 1, 1, 0} });
+    auto states = std::vector<int>({ 2, 3, 3 });
+    auto features = std::vector<std::string>{ "N1", "P1", "H1" };
+    auto className = std::string("Class");
+    auto weights = torch::tensor({ 1.0, 1.0, 1.0, 1.0 }, torch::kDouble);
+    node.setNumStates(2);
+    node.computeCPT(dataset, features, 0.0, weights);
+    // Get the cpt of the node
+    auto cpt = node.getCPT();
+    // Check that the cpt is not empty
+    REQUIRE(cpt.numel() > 0);
+    // Check that the cpt has the correct dimensions
+    auto dimensions = cpt.sizes();
+    REQUIRE(dimensions.size() == 2);
+    REQUIRE(dimensions[0] == 2); // Number of states of the node
+    REQUIRE(dimensions[1] == 3); // Number of states of the first parent
+    // Create a copy of the node
+    auto node_copy = node;
+    // Check that the copy has not any parents or children
+    auto parents = node_copy.getParents();
+    auto children = node_copy.getChildren();
+    REQUIRE(parents.size() == 0);
+    REQUIRE(children.size() == 0);
+    // Check that the copy has the same name
+    REQUIRE(node_copy.getName() == "N1");
+    // Check that the copy has the same cpt
+    auto cpt_copy = node_copy.getCPT();
+    REQUIRE(cpt_copy.equal(cpt));
+    // Check that the copy has the same number of states
+    REQUIRE(node_copy.getNumStates() == node.getNumStates());
 }