74 lines
2.4 KiB
Rust
74 lines
2.4 KiB
Rust
// ----------------------------------------------------------------
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// IMPORTS
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// ----------------------------------------------------------------
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use rstest::fixture;
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use rstest::rstest;
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use ads2::core::utils;
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use ads2::graphs::graph;
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// ----------------------------------------------------------------
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// Fixtures
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// ----------------------------------------------------------------
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#[fixture]
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fn fixture_graph() -> graph::Graph<i32> {
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return graph::Graph::new(
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vec![1,2,3,4,5,6,7,8],
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vec![(1,2), (1, 3), (2,3), (3,4), (4, 5), (5, 6), (6, 2), (6, 7), (6, 8)]
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);
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}
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// ----------------------------------------------------------------
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// Test Graph
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// ----------------------------------------------------------------
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#[test]
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fn test_graph_create_noerror() {
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let result = std::panic::catch_unwind(|| {
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let gph = graph::Graph::new(
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vec![5, 7, 8],
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vec![(5,7), (7, 8)]
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);
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assert_eq!(gph.len(), 3);
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});
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assert!(result.is_ok());
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let result = std::panic::catch_unwind(|| {
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let gph = graph::Graph::new(
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vec!["5", "7", "8", "10"],
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vec![("5", "7"), ("7", "8")]
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);
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assert_eq!(gph.len(), 4);
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});
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assert!(result.is_ok());
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let result = std::panic::catch_unwind(|| {
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let gph = graph::Graph::<f64>::new(Vec::new(), Vec::new());
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assert_eq!(gph.len(), 0);
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});
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assert!(result.is_ok());
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}
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#[rstest]
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fn test_graph_subgraph(fixture_graph: graph::Graph<i32>) {
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let sub_gph = fixture_graph.subgraph(vec![2,4,5,6,8]);
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assert_eq!(utils::vec_to_set(&sub_gph.edges), utils::vec_to_set(&vec![(6,2), (4,5), (5,6), (6,8)]));
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}
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#[rstest]
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fn test_graph_successors_and_predecessors(fixture_graph: graph::Graph<i32>) {
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let u = 1;
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assert_eq!(utils::vec_to_set(&fixture_graph.successors(&u)), utils::vec_to_set(&vec![2, 3]));
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let u = 8;
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assert_eq!(utils::vec_to_set(&fixture_graph.successors(&u)).len(), 0);
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let u = 6;
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assert_eq!(utils::vec_to_set(&fixture_graph.successors(&u)), utils::vec_to_set(&vec![2, 7, 8]));
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let u = 1;
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assert_eq!(utils::vec_to_set(&fixture_graph.predecessors(&u)).len(), 0);
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let u = 8;
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assert_eq!(utils::vec_to_set(&fixture_graph.predecessors(&u)), utils::vec_to_set(&vec![6]));
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let u = 6;
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assert_eq!(utils::vec_to_set(&fixture_graph.predecessors(&u)), utils::vec_to_set(&vec![5]));
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}
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