relateby-pattern 0.4.0

Core pattern data structures
Documentation 
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//! Snapshot tests for validation error messages
//!
//! These tests use insta to capture and verify validation error messages
//! remain consistent across changes.

use pattern_core::{Pattern, ValidationRules};

#[test]
fn test_validation_error_max_depth() {
    let pattern = Pattern::pattern(
        "root".to_string(),
        vec![Pattern::pattern(
            "child".to_string(),
            vec![Pattern::point("grandchild".to_string())],
        )],
    );

    let rules = ValidationRules {
        max_depth: Some(1),
        ..Default::default()
    };

    let result = pattern.validate(&rules);
    assert!(result.is_err());

    if let Err(e) = result {
        insta::assert_snapshot!("validation_error_max_depth", e.message);
        insta::assert_snapshot!("validation_error_max_depth_rule", e.rule_violated);
        insta::assert_snapshot!(
            "validation_error_max_depth_location",
            format!("{:?}", e.location)
        );
    }
}

#[test]
fn test_validation_error_max_elements() {
    let pattern = Pattern::pattern(
        "root".to_string(),
        vec![
            Pattern::point("child1".to_string()),
            Pattern::point("child2".to_string()),
            Pattern::point("child3".to_string()),
        ],
    );

    let rules = ValidationRules {
        max_elements: Some(2),
        ..Default::default()
    };

    let result = pattern.validate(&rules);
    assert!(result.is_err());

    if let Err(e) = result {
        insta::assert_snapshot!("validation_error_max_elements", e.message);
        insta::assert_snapshot!("validation_error_max_elements_rule", e.rule_violated);
    }
}