Added one test for tool

src/ctbn.rs

@@ -102,6 +102,11 @@ impl network::Network for CtbnNetwork {
     }
 
 
+    fn get_node_mut(&mut self, node_idx: usize) -> &mut node::Node{
+        &mut self.nodes[node_idx]
+    }
+
+
     fn get_param_index_network(&self, node: usize, current_state: &Vec<StateType>) -> usize{
         self.adj_matrix.as_ref().unwrap().column(node).iter().enumerate().fold((0, 1), |mut acc, x| {
             if x.1 > &0 {

src/network.rs

@@ -20,6 +20,7 @@ pub trait Network {
     ///Get all the indices of the nodes contained inside the network
     fn get_node_indices(&self) -> std::ops::Range<usize>;
     fn get_node(&self, node_idx: usize) -> &node::Node;
+    fn get_node_mut(&mut self, node_idx: usize) -> &mut node::Node;
 
     ///Compute the index that must be used to access the parameter of a node given a specific
     ///configuration of the network. Usually, the only values really used in *current_state* are

src/params.rs

@@ -65,10 +65,10 @@ pub enum Params {
 ///     - **residence_time**: permanence time in each possible states given a specific
 ///     realization of the parent set
 pub struct DiscreteStatesContinousTimeParams {
-    domain: BTreeSet<String>,
+    pub domain: BTreeSet<String>,
-    cim: Option<Array3<f64>>,
+    pub cim: Option<Array3<f64>>,
-    transitions: Option<Array3<u64>>,
+    pub transitions: Option<Array3<u64>>,
-    residence_time: Option<Array2<f64>>,
+    pub residence_time: Option<Array2<f64>>,
 }
 
 impl DiscreteStatesContinousTimeParams {

src/tools.rs

@@ -14,7 +14,7 @@ pub struct Dataset {
 }
 
 
-pub fn trajectory_generator(net: &Box<dyn network::Network>, n_trajectories: u64, t_end: f64) -> Dataset {
+pub fn trajectory_generator(net: Box<dyn network::Network>, n_trajectories: u64, t_end: f64) -> Dataset {
     let mut dataset = Dataset{
         trajectories: Vec::new()
     };
@@ -78,7 +78,7 @@ pub fn trajectory_generator(net: &Box<dyn network::Network>, n_trajectories: u64
         events.push(current_state.iter().map(|x| match x {
                 params::StateType::Discrete(state) => state.clone()
                 }).collect());
-        time.push(t.clone());
+        time.push(t_end.clone());
         
 
         dataset.trajectories.push(Trajectory {
@@ -91,3 +91,53 @@ pub fn trajectory_generator(net: &Box<dyn network::Network>, n_trajectories: u64
     
     dataset
 }
+
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::network::Network;
+    use crate::ctbn::*;
+    use crate::node;
+    use crate::params;
+    use std::collections::BTreeSet;
+    use ndarray::arr3;
+
+    fn define_binary_node(name: String) -> node::Node {
+        let mut domain = BTreeSet::new();
+        domain.insert(String::from("A"));
+        domain.insert(String::from("B"));
+        let param = params::DiscreteStatesContinousTimeParams::init(domain) ;
+        let n = node::Node::init(params::Params::DiscreteStatesContinousTime(param), name);
+        return n;
+    }
+
+
+    #[test]
+    fn run_sampling() {
+        let mut net = CtbnNetwork::init();
+        let n1 = net.add_node(define_binary_node(String::from("n1"))).unwrap();
+        let n2 = net.add_node(define_binary_node(String::from("n2"))).unwrap();
+        net.add_edge(n1, n2);
+
+        match &mut net.get_node_mut(n1).params {
+            params::Params::DiscreteStatesContinousTime(param) => {
+                param.cim = Some (arr3(&[[[-3.0,3.0],[2.0,-2.0]]]));
+            }
+        }
+
+
+        match &mut net.get_node_mut(n2).params {
+            params::Params::DiscreteStatesContinousTime(param) => {
+                param.cim = Some (arr3(&[
+                                         [[-1.0,1.0],[4.0,-4.0]],
+                                         [[-6.0,6.0],[2.0,-2.0]]]));
+            }
+        }
+
+        let data = trajectory_generator(Box::from(net), 4, 1.0);
+
+        assert_eq!(4, data.trajectories.len());
+        assert_relative_eq!(1.0, data.trajectories[0].time[data.trajectories[0].time.len()-1]);
+    }
+}