cfgmatic-source 5.0.1

Configuration sources (file, env, memory) for cfgmatic framework
Documentation 
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//! Tests for [`CompositeSource`].

use cfgmatic_source::prelude::*;
use serde::Deserialize;

#[derive(Debug, Clone, Deserialize, PartialEq)]
struct TestConfig {
    name: String,
    value: i32,
}

#[test]
fn test_composite_source_creation() {
    let source = CompositeSource::new();
    assert!(source.is_empty());
}

#[test]
fn test_composite_source_with_sources() {
    let source1 = MemorySource::from_json(serde_json::json!({"name": "first", "value": 1}));
    let source2 = MemorySource::from_json(serde_json::json!({"name": "second", "value": 2}));

    let composite = CompositeSource::builder()
        .add_with_priority(source1, SourcePriority::HIGH)
        .add_with_priority(source2, SourcePriority::LOWEST)
        .build();

    assert_eq!(composite.len(), 2);
}

#[test]
fn test_composite_source_load_single_source() {
    let memory = MemorySource::from_json(serde_json::json!({"name": "test", "value": 42}));
    let composite = CompositeSource::builder()
        .add_with_priority(memory, SourcePriority::HIGH)
        .build();

    let raw = composite.load_raw().expect("Failed to load");
    let content = raw.as_str().expect("Failed to get string");

    let config: TestConfig = Format::Json
        .parse_as(content.as_ref())
        .expect("Failed to parse");
    assert_eq!(config.name, "test");
    assert_eq!(config.value, 42);
}