dsntk_examples/
lib.rs

1//! # Examples of decision models and decision tables
2
3mod compatibility;
4pub mod decision_logic;
5pub mod decision_tables;
6mod diagrams;
7mod examples;
8mod full_model;
9pub mod input_data;
10pub mod item_definition;
11
12pub use compatibility::*;
13pub use diagrams::*;
14pub use examples::valid::*;
15pub use examples::*;
16pub use full_model::*;
17
18#[cfg(test)]
19mod utilities {
20  use std::collections::BTreeSet;
21  use std::fmt::Write;
22  use walkdir::WalkDir;
23
24  /// Generates multiple decision table variants.
25  #[test]
26  #[rustfmt::skip]
27  pub fn generate_decision_table_variants() {
28    let mut buffer = String::new();
29    let orientation = ["horizontal", "vertical", "crosstab"];
30    let information_item = ["absent", "present" ];
31    let output_label = ["absent", "present" ];
32    let allowed_values = ["absent", "present"];
33    let inputs = ["absent", "single", "double", "multiple"];
34    let outputs = ["single", "double", "multiple"];
35    let annotations = ["absent", "single", "double", "multiple"];
36    let _ = writeln!(&mut buffer, "┌──────┬─────────────┬─────────────┬─────────┬─────────┬──────────┬──────────┬─────────────┬─────────┬────────┐");
37    let _ = writeln!(&mut buffer, "│  No. │  Preferred  │ Information │ Output  │ Allowed │  Inputs  │ Outputs  │ Annotations │ Example │ Status │");
38    let _ = writeln!(&mut buffer, "│      │ orientation │  item name  │  label  │ values  │          │          │             │         │        │");
39    let _ = writeln!(&mut buffer, "├──────┼─────────────┼─────────────┼─────────┼─────────┼──────────┼──────────┼─────────────┼─────────┼────────┤");
40    let mut counter = 1;
41    for v_decision_table_orientation in orientation {
42      for v_information_item_name in information_item {
43        for v_output_label in output_label {
44          for v_allowed_values in allowed_values {
45            for v_inputs in inputs {
46              for v_outputs in outputs {
47                for v_annotations in annotations {
48                  let _ = writeln!(&mut buffer, "│ {counter:>4} │{v_decision_table_orientation:^13}│{v_information_item_name:^13}│{v_output_label:^9}│{v_allowed_values:^9}│{v_inputs:^10}│{v_outputs:^10}│{v_annotations:^13}│ DT_{counter:04} │        │");
49                  counter += 1;
50                }
51              }
52            }
53          }
54        }
55      }
56    }
57    let _ = writeln!(&mut buffer, "└──────┴─────────────┴─────────────┴─────────┴─────────┴──────────┴──────────┴─────────────┴─────────┴────────┘");
58    println!("{}", buffer);
59    assert_eq!(1157, buffer.lines().count());
60  }
61
62  /// This utility function compares the number of compatibility test models in this crate
63  /// with the number of compatibility test models in TCK repository.
64  #[test]
65  fn compare_the_number_of_models() {
66    let tck_models = count_models("../../tck/TestCases");
67    let tck_adjusted_models = tck_models
68      .iter()
69      .filter_map(|s| {
70        let segments = s.split('/').collect::<Vec<&str>>();
71        let first_segment = segments[0]
72          .replace("compliance-level-2", "level_2")
73          .replace("compliance-level-3", "level_3")
74          .replace("non-compliant", "non_compliant");
75        let last_segment = segments[2][0..4].to_string();
76        if last_segment.chars().next().unwrap().is_ascii_digit() {
77          Some(format!("{}/{}", first_segment, last_segment))
78        } else {
79          None
80        }
81      })
82      .collect::<BTreeSet<String>>();
83
84    let dsntk_models = count_models("src/compatibility");
85    let dsntk_adjusted_models = dsntk_models
86      .iter()
87      .map(|s| {
88        let segments = s.split('/').collect::<Vec<&str>>();
89        let first_segment = segments[0];
90        let last_segment = segments[1][2..6].to_string();
91        format!("{}/{}", first_segment, last_segment)
92      })
93      .collect::<BTreeSet<String>>();
94
95    let mut all_keys = BTreeSet::new();
96    all_keys.append(&mut tck_adjusted_models.clone());
97    all_keys.append(&mut dsntk_adjusted_models.clone());
98
99    println!("────────────────────────────────");
100    println!(" Model               TCK  DSNTK");
101    println!("────────────────────────────────");
102    for key in &all_keys {
103      println!(
104        "{:20}  {:>2}     {:>2}",
105        key,
106        if tck_adjusted_models.contains(key) { "OK" } else { "-" },
107        if dsntk_adjusted_models.contains(key) { "OK" } else { "-" }
108      )
109    }
110  }
111
112  /// Counts DMN models residing in the specified directory.
113  fn count_models(root_dir: &str) -> BTreeSet<String> {
114    let mut results = BTreeSet::new();
115    for entry_result in WalkDir::new(root_dir).into_iter() {
116      let entry = entry_result.unwrap();
117      let path = entry.path();
118      if path.is_file() && path.extension().map_or(false, |ext| ext == "dmn") {
119        results.insert(path.strip_prefix(root_dir).unwrap().display().to_string());
120      }
121    }
122    results
123  }
124}
dsntk_examples/lib.rs

dsntk_examples/
lib.rs
